./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 35987657 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-?-3598765 [2022-07-21 10:42:35,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:42:35,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:42:35,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:42:35,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:42:35,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:42:35,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:42:35,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:42:35,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:42:35,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:42:35,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:42:35,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:42:35,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:42:35,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:42:35,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:42:35,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:42:35,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:42:35,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:42:35,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:42:35,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:42:35,458 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:42:35,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:42:35,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:42:35,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:42:35,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:42:35,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:42:35,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:42:35,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:42:35,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:42:35,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:42:35,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:42:35,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:42:35,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:42:35,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:42:35,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:42:35,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:42:35,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:42:35,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:42:35,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:42:35,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:42:35,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:42:35,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:42:35,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:42:35,511 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:42:35,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:42:35,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:42:35,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:42:35,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:42:35,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:42:35,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:42:35,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:42:35,514 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:42:35,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:42:35,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:42:35,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:42:35,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:42:35,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:42:35,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:42:35,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:42:35,523 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:42:35,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:42:35,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:42:35,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:42:35,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:42:35,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:42:35,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:42:35,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:42:35,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:42:35,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:42:35,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:42:35,525 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:42:35,526 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:42:35,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:42:35,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd [2022-07-21 10:42:35,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:42:35,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:42:35,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:42:35,857 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:42:35,858 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:42:35,860 INFO L432 ainManager$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 [2022-07-21 10:42:35,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96bd008b5/7d95ba39d6e4419fb600a4b3ff2c94ae/FLAG5adfdb14c [2022-07-21 10:42:37,047 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:42:37,048 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 [2022-07-21 10:42:37,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96bd008b5/7d95ba39d6e4419fb600a4b3ff2c94ae/FLAG5adfdb14c [2022-07-21 10:42:37,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96bd008b5/7d95ba39d6e4419fb600a4b3ff2c94ae [2022-07-21 10:42:37,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:42:37,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:42:37,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:42:37,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:42:37,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:42:37,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:37,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebe7392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:37, skipping insertion in model container [2022-07-21 10:42:37,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:42:37" (1/1) ... [2022-07-21 10:42:37,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:42:37,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:42:45,293 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] [2022-07-21 10:42:45,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:42:46,033 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:42:47,043 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] [2022-07-21 10:42:47,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:42:47,417 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:42:47,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47 WrapperNode [2022-07-21 10:42:47,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:42:47,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:42:47,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:42:47,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:42:47,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:47,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:48,058 INFO L137 Inliner]: procedures = 905, calls = 9947, calls flagged for inlining = 323, calls inlined = 188, statements flattened = 12684 [2022-07-21 10:42:48,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:42:48,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:42:48,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:42:48,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:42:48,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:48,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:48,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:48,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:48,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:48,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:48,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:48,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:42:48,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:42:48,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:42:48,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:42:48,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (1/1) ... [2022-07-21 10:42:48,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:42:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:42:48,908 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) [2022-07-21 10:42:48,953 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 [2022-07-21 10:42:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM_page [2022-07-21 10:42:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM_page [2022-07-21 10:42:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 10:42:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-07-21 10:42:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-07-21 10:42:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_status_to_errno [2022-07-21 10:42:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_status_to_errno [2022-07-21 10:42:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icms [2022-07-21 10:42:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icms [2022-07-21 10:42:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 10:42:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 10:42:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 10:42:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 10:42:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 10:42:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 10:42:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_key [2022-07-21 10:42:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_key [2022-07-21 10:42:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure key_to_hw_index [2022-07-21 10:42:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure key_to_hw_index [2022-07-21 10:42:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 10:42:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 10:42:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-21 10:42:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-21 10:42:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 10:42:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 10:42:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_icm [2022-07-21 10:42:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_icm [2022-07-21 10:42:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 10:42:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 10:42:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uarc_virt [2022-07-21 10:42:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uarc_virt [2022-07-21 10:42:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-07-21 10:42:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-07-21 10:42:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 10:42:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 10:42:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-07-21 10:42:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-07-21 10:42:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 10:42:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 10:42:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2022-07-21 10:42:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2022-07-21 10:42:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_cleanup [2022-07-21 10:42:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_cleanup [2022-07-21 10:42:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2022-07-21 10:42:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2022-07-21 10:42:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 10:42:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 10:42:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2022-07-21 10:42:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2022-07-21 10:42:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_region [2022-07-21 10:42:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_region [2022-07-21 10:42:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 10:42:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 10:42:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-07-21 10:42:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-07-21 10:42:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pcie_cap [2022-07-21 10:42:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pcie_cap [2022-07-21 10:42:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CLOSE_IB [2022-07-21 10:42:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CLOSE_IB [2022-07-21 10:42:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure clear_page [2022-07-21 10:42:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_page [2022-07-21 10:42:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_alloc [2022-07-21 10:42:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_alloc [2022-07-21 10:42:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 10:42:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_init_one [2022-07-21 10:42:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_init_one [2022-07-21 10:42:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_create_eq [2022-07-21 10:42:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_create_eq [2022-07-21 10:42:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt [2022-07-21 10:42:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt [2022-07-21 10:42:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm_table [2022-07-21 10:42:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm_table [2022-07-21 10:42:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_catas_cleanup [2022-07-21 10:42:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_catas_cleanup [2022-07-21 10:42:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure hw_index_to_key [2022-07-21 10:42:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_index_to_key [2022-07-21 10:42:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 10:42:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 10:42:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64_raw [2022-07-21 10:42:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64_raw [2022-07-21 10:42:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 10:42:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 10:42:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_use_polling [2022-07-21 10:42:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_use_polling [2022-07-21 10:42:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-21 10:42:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-21 10:42:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm_table [2022-07-21 10:42:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm_table [2022-07-21 10:42:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:42:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt_range [2022-07-21 10:42:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt_range [2022-07-21 10:42:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 10:42:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 10:42:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:42:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:42:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-21 10:42:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-21 10:42:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 10:42:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-21 10:42:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-21 10:42:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_free [2022-07-21 10:42:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_free [2022-07-21 10:42:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_cleanup [2022-07-21 10:42:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_cleanup [2022-07-21 10:42:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_eq_req_not [2022-07-21 10:42:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_eq_req_not [2022-07-21 10:42:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 10:42:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 10:42:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2022-07-21 10:42:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2022-07-21 10:42:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 10:42:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 10:42:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_cleanup [2022-07-21 10:42:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_cleanup [2022-07-21 10:42:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_eq_table [2022-07-21 10:42:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_eq_table [2022-07-21 10:42:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 10:42:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 10:42:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:42:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:42:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 10:42:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 10:42:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:42:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:42:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:42:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 10:42:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 10:42:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_av_table [2022-07-21 10:42:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_av_table [2022-07-21 10:42:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm [2022-07-21 10:42:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm [2022-07-21 10:42:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_alloc_mtt [2022-07-21 10:42:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_alloc_mtt [2022-07-21 10:42:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-21 10:42:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-21 10:42:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:42:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:42:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:42:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:42:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_is_memfree [2022-07-21 10:42:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_is_memfree [2022-07-21 10:42:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_eq_req_not [2022-07-21 10:42:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_eq_req_not [2022-07-21 10:42:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM [2022-07-21 10:42:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM [2022-07-21 10:42:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 10:42:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 10:42:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure set_eqe_hw [2022-07-21 10:42:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure set_eqe_hw [2022-07-21 10:42:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 10:42:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 10:42:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 10:42:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 10:42:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:42:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 10:42:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 10:42:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_update_rate [2022-07-21 10:42:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_update_rate [2022-07-21 10:42:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:42:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM [2022-07-21 10:42:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM [2022-07-21 10:42:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_init [2022-07-21 10:42:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_init [2022-07-21 10:42:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 10:42:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 10:42:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 10:42:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 10:42:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_uar_table [2022-07-21 10:42:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_uar_table [2022-07-21 10:42:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 10:42:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 10:42:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 10:42:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 10:42:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_addr [2022-07-21 10:42:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_addr [2022-07-21 10:42:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-21 10:42:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-21 10:42:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-21 10:42:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-21 10:42:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 10:42:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 10:42:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 10:42:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 10:42:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mtt [2022-07-21 10:42:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mtt [2022-07-21 10:42:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure go_bit [2022-07-21 10:42:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure go_bit [2022-07-21 10:42:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 10:42:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free [2022-07-21 10:42:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free [2022-07-21 10:42:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-07-21 10:42:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-07-21 10:42:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-21 10:42:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-21 10:42:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:42:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:42:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-21 10:42:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-21 10:42:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SW2HW_MPT [2022-07-21 10:42:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SW2HW_MPT [2022-07-21 10:42:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_write_word [2022-07-21 10:42:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_write_word [2022-07-21 10:42:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_irqs [2022-07-21 10:42:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_irqs [2022-07-21 10:42:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mr_table [2022-07-21 10:42:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mr_table [2022-07-21 10:42:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2022-07-21 10:42:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2022-07-21 10:42:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_GET [2022-07-21 10:42:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-21 10:42:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-21 10:42:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-21 10:42:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-21 10:42:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_notrans [2022-07-21 10:42:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_notrans [2022-07-21 10:42:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-07-21 10:42:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-07-21 10:42:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 10:42:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 10:42:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_put [2022-07-21 10:42:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_put [2022-07-21 10:42:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc [2022-07-21 10:42:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc [2022-07-21 10:42:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64 [2022-07-21 10:42:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64 [2022-07-21 10:42:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-21 10:42:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-21 10:42:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_imm [2022-07-21 10:42:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_imm [2022-07-21 10:42:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mcg_table [2022-07-21 10:42:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mcg_table [2022-07-21 10:42:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_qp_table [2022-07-21 10:42:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_qp_table [2022-07-21 10:42:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 10:42:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 10:42:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2022-07-21 10:42:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2022-07-21 10:42:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2022-07-21 10:42:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2022-07-21 10:42:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-21 10:42:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-21 10:42:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 10:42:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 10:42:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_INIT_HCA [2022-07-21 10:42:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_INIT_HCA [2022-07-21 10:42:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_hw_index_to_key [2022-07-21 10:42:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_hw_index_to_key [2022-07-21 10:42:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:42:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:42:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 10:42:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 10:42:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-21 10:42:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-21 10:42:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_cq_table [2022-07-21 10:42:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_cq_table [2022-07-21 10:42:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_cleanup [2022-07-21 10:42:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_cleanup [2022-07-21 10:42:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 10:42:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 10:42:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_close_hca [2022-07-21 10:42:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_close_hca [2022-07-21 10:42:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_EQ [2022-07-21 10:42:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_EQ [2022-07-21 10:42:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure down [2022-07-21 10:42:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2022-07-21 10:42:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-21 10:42:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-21 10:42:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAD_IFC [2022-07-21 10:42:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAD_IFC [2022-07-21 10:42:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_cmd [2022-07-21 10:42:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_cmd [2022-07-21 10:42:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-21 10:42:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-21 10:42:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:42:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-21 10:42:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-21 10:42:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_eq [2022-07-21 10:42:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_eq [2022-07-21 10:42:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_alloc [2022-07-21 10:42:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_alloc [2022-07-21 10:42:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mailbox [2022-07-21 10:42:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mailbox [2022-07-21 10:42:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 10:42:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 10:42:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-21 10:42:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-21 10:42:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 10:42:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_DISABLE_LAM [2022-07-21 10:42:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_DISABLE_LAM [2022-07-21 10:42:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 10:42:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 10:42:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 10:42:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-07-21 10:42:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-07-21 10:42:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_alloc [2022-07-21 10:42:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_alloc [2022-07-21 10:42:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-07-21 10:42:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-07-21 10:42:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-21 10:42:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-21 10:42:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_setup_hca [2022-07-21 10:42:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_setup_hca [2022-07-21 10:42:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 10:42:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 10:42:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc [2022-07-21 10:42:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc [2022-07-21 10:42:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CONF_SPECIAL_QP [2022-07-21 10:42:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CONF_SPECIAL_QP [2022-07-21 10:42:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_reg [2022-07-21 10:42:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_reg [2022-07-21 10:42:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_check_profile_val [2022-07-21 10:42:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_check_profile_val [2022-07-21 10:42:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2022-07-21 10:42:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2022-07-21 10:42:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_FA [2022-07-21 10:42:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_FA [2022-07-21 10:42:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_free [2022-07-21 10:42:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_free [2022-07-21 10:42:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-21 10:42:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-21 10:42:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt_size [2022-07-21 10:42:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt_size [2022-07-21 10:42:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure dma_get_cache_alignment [2022-07-21 10:42:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_get_cache_alignment [2022-07-21 10:42:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mr [2022-07-21 10:42:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mr [2022-07-21 10:42:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mailbox [2022-07-21 10:42:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mailbox [2022-07-21 10:42:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 10:42:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 10:42:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 10:42:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 10:42:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_dev_lim [2022-07-21 10:42:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_dev_lim [2022-07-21 10:42:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-07-21 10:42:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-07-21 10:42:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_hw_index_to_key [2022-07-21 10:42:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_hw_index_to_key [2022-07-21 10:42:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_QUERY_FW [2022-07-21 10:42:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_QUERY_FW [2022-07-21 10:42:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-07-21 10:42:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-07-21 10:42:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 10:42:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 10:42:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SYS_DIS [2022-07-21 10:42:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SYS_DIS [2022-07-21 10:42:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_init [2022-07-21 10:42:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_init [2022-07-21 10:42:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_box [2022-07-21 10:42:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_box [2022-07-21 10:42:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:42:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-07-21 10:42:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-07-21 10:42:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 10:42:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 10:42:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_make_profile [2022-07-21 10:42:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_make_profile [2022-07-21 10:42:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2022-07-21 10:42:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2022-07-21 10:42:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 10:42:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 10:42:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unregister_device [2022-07-21 10:42:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unregister_device [2022-07-21 10:42:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_key_to_hw_index [2022-07-21 10:42:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_key_to_hw_index [2022-07-21 10:42:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-21 10:42:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-21 10:42:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 10:42:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 10:42:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-21 10:42:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-21 10:42:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-21 10:42:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-21 10:42:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-21 10:42:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-21 10:42:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:42:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_find [2022-07-21 10:42:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_find [2022-07-21 10:42:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm [2022-07-21 10:42:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm [2022-07-21 10:42:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_size [2022-07-21 10:42:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_size [2022-07-21 10:42:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 10:42:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 10:42:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-21 10:42:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-21 10:42:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_srq_table [2022-07-21 10:42:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_srq_table [2022-07-21 10:42:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_poll [2022-07-21 10:42:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_poll [2022-07-21 10:42:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM_AUX [2022-07-21 10:42:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM_AUX [2022-07-21 10:42:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2022-07-21 10:42:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2022-07-21 10:42:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_wait [2022-07-21 10:42:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_wait [2022-07-21 10:42:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_phys [2022-07-21 10:42:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_phys [2022-07-21 10:42:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2022-07-21 10:42:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2022-07-21 10:42:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 10:42:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 10:42:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_eqe [2022-07-21 10:42:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eqe [2022-07-21 10:42:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure async_mask [2022-07-21 10:42:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mask [2022-07-21 10:42:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_init [2022-07-21 10:42:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_init [2022-07-21 10:42:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_free [2022-07-21 10:42:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_free [2022-07-21 10:42:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd [2022-07-21 10:42:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd [2022-07-21 10:42:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-21 10:42:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-21 10:42:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_get [2022-07-21 10:42:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_get [2022-07-21 10:42:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_remove_one [2022-07-21 10:42:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_remove_one [2022-07-21 10:42:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 10:42:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 10:42:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_pd_table [2022-07-21 10:42:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_pd_table [2022-07-21 10:42:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure init_query_mad [2022-07-21 10:42:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure init_query_mad [2022-07-21 10:42:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-21 10:42:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-21 10:42:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-21 10:42:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-21 10:42:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_post [2022-07-21 10:42:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_post [2022-07-21 10:42:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 10:42:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 10:42:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 10:42:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 10:42:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 10:42:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_regs [2022-07-21 10:42:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_regs [2022-07-21 10:42:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_PUT [2022-07-21 10:42:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt [2022-07-21 10:42:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt [2022-07-21 10:42:50,247 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:42:50,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:43:23,166 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:43:23,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:43:23,199 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:43:23,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:43:23 BoogieIcfgContainer [2022-07-21 10:43:23,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:43:23,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:43:23,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:43:23,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:43:23,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:42:37" (1/3) ... [2022-07-21 10:43:23,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f68d2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:43:23, skipping insertion in model container [2022-07-21 10:43:23,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:42:47" (2/3) ... [2022-07-21 10:43:23,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f68d2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:43:23, skipping insertion in model container [2022-07-21 10:43:23,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:43:23" (3/3) ... [2022-07-21 10:43:23,219 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-07-21 10:43:23,231 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:43:23,231 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:43:23,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:43:23,371 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@3ad2ddb9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4866713f [2022-07-21 10:43:23,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:43:23,390 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) [2022-07-21 10:43:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-21 10:43:23,399 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:43:23,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:43:23,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:43:23,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:43:23,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1106398898, now seen corresponding path program 1 times [2022-07-21 10:43:23,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:43:23,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141245789] [2022-07-21 10:43:23,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:43:23,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:43:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:43:24,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:43:24,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141245789] [2022-07-21 10:43:24,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141245789] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:43:24,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:43:24,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:43:24,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248955417] [2022-07-21 10:43:24,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:43:24,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:43:24,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:43:24,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:43:24,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:43:24,086 INFO L87 Difference]: Start difference. First operand has 5017 states, 3592 states have (on average 1.3791759465478841) internal successors, (4954), 3661 states have internal predecessors, (4954), 1213 states have call successors, (1213), 210 states have call predecessors, (1213), 210 states have return successors, (1213), 1213 states have call predecessors, (1213), 1213 states have call successors, (1213) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:43:24,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:43:24,611 INFO L93 Difference]: Finished difference Result 10153 states and 15210 transitions. [2022-07-21 10:43:24,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:43:24,616 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 [2022-07-21 10:43:24,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:43:24,672 INFO L225 Difference]: With dead ends: 10153 [2022-07-21 10:43:24,673 INFO L226 Difference]: Without dead ends: 5113 [2022-07-21 10:43:24,715 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 [2022-07-21 10:43:24,719 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 [2022-07-21 10:43:24,720 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] [2022-07-21 10:43:24,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2022-07-21 10:43:25,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 5083. [2022-07-21 10:43:25,154 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) [2022-07-21 10:43:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7438 transitions. [2022-07-21 10:43:25,199 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7438 transitions. Word has length 18 [2022-07-21 10:43:25,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:43:25,199 INFO L495 AbstractCegarLoop]: Abstraction has 5083 states and 7438 transitions. [2022-07-21 10:43:25,200 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) [2022-07-21 10:43:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7438 transitions. [2022-07-21 10:43:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-21 10:43:25,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:43:25,202 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] [2022-07-21 10:43:25,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 10:43:25,204 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:43:25,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:43:25,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1003916877, now seen corresponding path program 1 times [2022-07-21 10:43:25,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:43:25,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133636702] [2022-07-21 10:43:25,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:43:25,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:43:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 10:43:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:43:25,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:43:25,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133636702] [2022-07-21 10:43:25,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133636702] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:43:25,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:43:25,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:43:25,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525326201] [2022-07-21 10:43:25,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:43:25,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:43:25,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:43:25,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:43:25,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:43:25,503 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) [2022-07-21 10:43:26,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:43:26,027 INFO L93 Difference]: Finished difference Result 15129 states and 22144 transitions. [2022-07-21 10:43:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:43:26,028 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 [2022-07-21 10:43:26,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:43:26,106 INFO L225 Difference]: With dead ends: 15129 [2022-07-21 10:43:26,106 INFO L226 Difference]: Without dead ends: 10049 [2022-07-21 10:43:26,138 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 [2022-07-21 10:43:26,140 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 10:43:26,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7221 Valid, 21569 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 10:43:26,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10049 states. [2022-07-21 10:43:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10049 to 10035. [2022-07-21 10:43:26,624 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) [2022-07-21 10:43:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10035 states to 10035 states and 14690 transitions. [2022-07-21 10:43:26,694 INFO L78 Accepts]: Start accepts. Automaton has 10035 states and 14690 transitions. Word has length 21 [2022-07-21 10:43:26,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:43:26,695 INFO L495 AbstractCegarLoop]: Abstraction has 10035 states and 14690 transitions. [2022-07-21 10:43:26,696 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) [2022-07-21 10:43:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 10035 states and 14690 transitions. [2022-07-21 10:43:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-21 10:43:26,704 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:43:26,705 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] [2022-07-21 10:43:26,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 10:43:26,705 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:43:26,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:43:26,706 INFO L85 PathProgramCache]: Analyzing trace with hash -172954937, now seen corresponding path program 1 times [2022-07-21 10:43:26,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:43:26,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674690348] [2022-07-21 10:43:26,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:43:26,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:43:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 10:43:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 10:43:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 10:43:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 10:43:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:43:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 10:43:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 10:43:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 10:43:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 10:43:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 10:43:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-21 10:43:27,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:43:27,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674690348] [2022-07-21 10:43:27,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674690348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:43:27,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:43:27,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:43:27,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126845112] [2022-07-21 10:43:27,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:43:27,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:43:27,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:43:27,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:43:27,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:43:27,280 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) [2022-07-21 10:43:30,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:43:32,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:43:37,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:43:43,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:43:45,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:43:52,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:43:53,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:43:53,289 INFO L93 Difference]: Finished difference Result 21126 states and 31078 transitions. [2022-07-21 10:43:53,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:43:53,291 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 [2022-07-21 10:43:53,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:43:53,368 INFO L225 Difference]: With dead ends: 21126 [2022-07-21 10:43:53,368 INFO L226 Difference]: Without dead ends: 11094 [2022-07-21 10:43:53,419 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 [2022-07-21 10:43:53,420 INFO L413 NwaCegarLoop]: 6914 mSDtfsCounter, 7406 mSDsluCounter, 3246 mSDsCounter, 0 mSdLazyCounter, 2752 mSolverCounterSat, 2280 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8239 SdHoareTripleChecker+Valid, 10160 SdHoareTripleChecker+Invalid, 5038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2280 IncrementalHoareTripleChecker+Valid, 2752 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2022-07-21 10:43:53,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8239 Valid, 10160 Invalid, 5038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2280 Valid, 2752 Invalid, 6 Unknown, 0 Unchecked, 25.3s Time] [2022-07-21 10:43:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11094 states. [2022-07-21 10:43:53,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11094 to 10192. [2022-07-21 10:43:53,890 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) [2022-07-21 10:43:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10192 states to 10192 states and 14846 transitions. [2022-07-21 10:43:54,054 INFO L78 Accepts]: Start accepts. Automaton has 10192 states and 14846 transitions. Word has length 91 [2022-07-21 10:43:54,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:43:54,054 INFO L495 AbstractCegarLoop]: Abstraction has 10192 states and 14846 transitions. [2022-07-21 10:43:54,055 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) [2022-07-21 10:43:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 10192 states and 14846 transitions. [2022-07-21 10:43:54,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-21 10:43:54,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:43:54,056 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] [2022-07-21 10:43:54,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 10:43:54,057 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:43:54,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:43:54,059 INFO L85 PathProgramCache]: Analyzing trace with hash 45899781, now seen corresponding path program 1 times [2022-07-21 10:43:54,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:43:54,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219199338] [2022-07-21 10:43:54,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:43:54,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:43:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 10:43:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 10:43:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 10:43:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 10:43:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:43:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 10:43:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 10:43:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 10:43:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 10:43:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 10:43:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:43:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-21 10:43:54,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:43:54,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219199338] [2022-07-21 10:43:54,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219199338] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:43:54,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:43:54,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:43:54,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269152355] [2022-07-21 10:43:54,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:43:54,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:43:54,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:43:54,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:43:54,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:43:54,495 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) [2022-07-21 10:43:57,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:43:59,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:02,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:07,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:44:09,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:16,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:19,503 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 [] [2022-07-21 10:44:19,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:44:19,765 INFO L93 Difference]: Finished difference Result 11150 states and 16468 transitions. [2022-07-21 10:44:19,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:44:19,768 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 [2022-07-21 10:44:19,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:44:19,819 INFO L225 Difference]: With dead ends: 11150 [2022-07-21 10:44:19,819 INFO L226 Difference]: Without dead ends: 11121 [2022-07-21 10:44:19,823 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 [2022-07-21 10:44:19,825 INFO L413 NwaCegarLoop]: 6918 mSDtfsCounter, 7448 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 2301 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8280 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 5060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2301 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-07-21 10:44:19,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8280 Valid, 10231 Invalid, 5060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2301 Valid, 2753 Invalid, 6 Unknown, 0 Unchecked, 24.7s Time] [2022-07-21 10:44:19,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11121 states. [2022-07-21 10:44:20,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11121 to 10192. [2022-07-21 10:44:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10192 states, 7318 states have (on average 1.3700464607816343) internal successors, (10026), 7436 states have internal predecessors, (10026), 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) [2022-07-21 10:44:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10192 states to 10192 states and 14845 transitions. [2022-07-21 10:44:20,390 INFO L78 Accepts]: Start accepts. Automaton has 10192 states and 14845 transitions. Word has length 91 [2022-07-21 10:44:20,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:44:20,390 INFO L495 AbstractCegarLoop]: Abstraction has 10192 states and 14845 transitions. [2022-07-21 10:44:20,391 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) [2022-07-21 10:44:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand 10192 states and 14845 transitions. [2022-07-21 10:44:20,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-21 10:44:20,394 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:44:20,394 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] [2022-07-21 10:44:20,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 10:44:20,395 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:44:20,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:44:20,395 INFO L85 PathProgramCache]: Analyzing trace with hash 103158083, now seen corresponding path program 1 times [2022-07-21 10:44:20,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:44:20,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235873863] [2022-07-21 10:44:20,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:44:20,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:44:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 10:44:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 10:44:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 10:44:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 10:44:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:44:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 10:44:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 10:44:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 10:44:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 10:44:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 10:44:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-21 10:44:20,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:44:20,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235873863] [2022-07-21 10:44:20,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235873863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:44:20,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:44:20,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:44:20,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613289448] [2022-07-21 10:44:20,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:44:20,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:44:20,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:44:20,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:44:20,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:44:20,830 INFO L87 Difference]: Start difference. First operand 10192 states and 14845 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) [2022-07-21 10:44:23,802 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 [] [2022-07-21 10:44:25,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:28,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:31,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:37,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:44:39,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:46,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:48,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:51,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:51,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:44:51,197 INFO L93 Difference]: Finished difference Result 11096 states and 16389 transitions. [2022-07-21 10:44:51,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:44:51,198 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 [2022-07-21 10:44:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:44:51,237 INFO L225 Difference]: With dead ends: 11096 [2022-07-21 10:44:51,238 INFO L226 Difference]: Without dead ends: 11093 [2022-07-21 10:44:51,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 10:44:51,244 INFO L413 NwaCegarLoop]: 6882 mSDtfsCounter, 7410 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 2744 mSolverCounterSat, 2294 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8242 SdHoareTripleChecker+Valid, 10127 SdHoareTripleChecker+Invalid, 5047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2294 IncrementalHoareTripleChecker+Valid, 2744 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-07-21 10:44:51,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8242 Valid, 10127 Invalid, 5047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2294 Valid, 2744 Invalid, 9 Unknown, 0 Unchecked, 29.9s Time] [2022-07-21 10:44:51,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11093 states. [2022-07-21 10:44:51,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11093 to 10191. [2022-07-21 10:44:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10191 states, 7318 states have (on average 1.3699098114238863) internal successors, (10025), 7435 states have internal predecessors, (10025), 2418 states have call successors, (2418), 455 states have call predecessors, (2418), 454 states have return successors, (2400), 2398 states have call predecessors, (2400), 2400 states have call successors, (2400) [2022-07-21 10:44:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10191 states to 10191 states and 14843 transitions. [2022-07-21 10:44:51,723 INFO L78 Accepts]: Start accepts. Automaton has 10191 states and 14843 transitions. Word has length 91 [2022-07-21 10:44:51,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:44:51,724 INFO L495 AbstractCegarLoop]: Abstraction has 10191 states and 14843 transitions. [2022-07-21 10:44:51,724 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) [2022-07-21 10:44:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 10191 states and 14843 transitions. [2022-07-21 10:44:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-21 10:44:51,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:44:51,729 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] [2022-07-21 10:44:51,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 10:44:51,730 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:44:51,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:44:51,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1099147578, now seen corresponding path program 1 times [2022-07-21 10:44:51,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:44:51,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129889210] [2022-07-21 10:44:51,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:44:51,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:44:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 10:44:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 10:44:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:52,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 10:44:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 10:44:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:44:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 10:44:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 10:44:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 10:44:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:52,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 10:44:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 10:44:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-21 10:44:52,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:44:52,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129889210] [2022-07-21 10:44:52,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129889210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:44:52,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:44:52,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:44:52,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564911111] [2022-07-21 10:44:52,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:44:52,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:44:52,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:44:52,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:44:52,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:44:52,130 INFO L87 Difference]: Start difference. First operand 10191 states and 14843 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) [2022-07-21 10:44:55,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:44:57,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:01,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:07,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:45:14,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:17,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:19,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:19,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:45:19,837 INFO L93 Difference]: Finished difference Result 11095 states and 16387 transitions. [2022-07-21 10:45:19,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:45:19,839 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 [2022-07-21 10:45:19,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:45:19,879 INFO L225 Difference]: With dead ends: 11095 [2022-07-21 10:45:19,880 INFO L226 Difference]: Without dead ends: 11092 [2022-07-21 10:45:19,886 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 [2022-07-21 10:45:19,888 INFO L413 NwaCegarLoop]: 6907 mSDtfsCounter, 7389 mSDsluCounter, 3241 mSDsCounter, 0 mSdLazyCounter, 2752 mSolverCounterSat, 2277 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8224 SdHoareTripleChecker+Valid, 10148 SdHoareTripleChecker+Invalid, 5036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2277 IncrementalHoareTripleChecker+Valid, 2752 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-07-21 10:45:19,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8224 Valid, 10148 Invalid, 5036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2277 Valid, 2752 Invalid, 7 Unknown, 0 Unchecked, 27.2s Time] [2022-07-21 10:45:19,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11092 states. [2022-07-21 10:45:20,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11092 to 10190. [2022-07-21 10:45:20,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10190 states, 7318 states have (on average 1.3697731620661382) internal successors, (10024), 7434 states have internal predecessors, (10024), 2417 states have call successors, (2417), 455 states have call predecessors, (2417), 454 states have return successors, (2400), 2398 states have call predecessors, (2400), 2400 states have call successors, (2400) [2022-07-21 10:45:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10190 states to 10190 states and 14841 transitions. [2022-07-21 10:45:20,362 INFO L78 Accepts]: Start accepts. Automaton has 10190 states and 14841 transitions. Word has length 92 [2022-07-21 10:45:20,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:45:20,363 INFO L495 AbstractCegarLoop]: Abstraction has 10190 states and 14841 transitions. [2022-07-21 10:45:20,364 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) [2022-07-21 10:45:20,364 INFO L276 IsEmpty]: Start isEmpty. Operand 10190 states and 14841 transitions. [2022-07-21 10:45:20,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-21 10:45:20,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:45:20,365 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] [2022-07-21 10:45:20,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 10:45:20,366 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:45:20,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:45:20,366 INFO L85 PathProgramCache]: Analyzing trace with hash 284087462, now seen corresponding path program 1 times [2022-07-21 10:45:20,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:45:20,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34148221] [2022-07-21 10:45:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:45:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:45:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 10:45:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 10:45:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 10:45:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 10:45:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:45:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 10:45:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 10:45:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 10:45:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 10:45:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 10:45:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:20,780 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-21 10:45:20,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:45:20,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34148221] [2022-07-21 10:45:20,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34148221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:45:20,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:45:20,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:45:20,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372705636] [2022-07-21 10:45:20,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:45:20,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:45:20,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:45:20,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:45:20,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:45:20,783 INFO L87 Difference]: Start difference. First operand 10190 states and 14841 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) [2022-07-21 10:45:24,478 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 [] [2022-07-21 10:45:26,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:30,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:33,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:38,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:45:40,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:47,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:47,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:45:47,844 INFO L93 Difference]: Finished difference Result 11220 states and 16541 transitions. [2022-07-21 10:45:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:45:47,846 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 [2022-07-21 10:45:47,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:45:47,893 INFO L225 Difference]: With dead ends: 11220 [2022-07-21 10:45:47,894 INFO L226 Difference]: Without dead ends: 11216 [2022-07-21 10:45:47,901 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 [2022-07-21 10:45:47,902 INFO L413 NwaCegarLoop]: 6922 mSDtfsCounter, 7440 mSDsluCounter, 3172 mSDsCounter, 0 mSdLazyCounter, 2789 mSolverCounterSat, 2296 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8253 SdHoareTripleChecker+Valid, 10094 SdHoareTripleChecker+Invalid, 5091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2296 IncrementalHoareTripleChecker+Valid, 2789 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:45:47,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8253 Valid, 10094 Invalid, 5091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2296 Valid, 2789 Invalid, 6 Unknown, 0 Unchecked, 26.5s Time] [2022-07-21 10:45:47,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11216 states. [2022-07-21 10:45:48,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11216 to 10248. [2022-07-21 10:45:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10248 states, 7362 states have (on average 1.3685139907633794) internal successors, (10075), 7476 states have internal predecessors, (10075), 2417 states have call successors, (2417), 469 states have call predecessors, (2417), 468 states have return successors, (2402), 2400 states have call predecessors, (2402), 2402 states have call successors, (2402) [2022-07-21 10:45:48,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10248 states to 10248 states and 14894 transitions. [2022-07-21 10:45:48,383 INFO L78 Accepts]: Start accepts. Automaton has 10248 states and 14894 transitions. Word has length 93 [2022-07-21 10:45:48,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:45:48,383 INFO L495 AbstractCegarLoop]: Abstraction has 10248 states and 14894 transitions. [2022-07-21 10:45:48,383 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) [2022-07-21 10:45:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 10248 states and 14894 transitions. [2022-07-21 10:45:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-21 10:45:48,384 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:45:48,384 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] [2022-07-21 10:45:48,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 10:45:48,385 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:45:48,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:45:48,385 INFO L85 PathProgramCache]: Analyzing trace with hash 214705609, now seen corresponding path program 1 times [2022-07-21 10:45:48,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:45:48,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579939941] [2022-07-21 10:45:48,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:45:48,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:45:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 10:45:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 10:45:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 10:45:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 10:45:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:45:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 10:45:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 10:45:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 10:45:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 10:45:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 10:45:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:45:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-21 10:45:48,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:45:48,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579939941] [2022-07-21 10:45:48,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579939941] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:45:48,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:45:48,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:45:48,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197557549] [2022-07-21 10:45:48,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:45:48,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:45:48,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:45:48,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:45:48,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:45:48,736 INFO L87 Difference]: Start difference. First operand 10248 states and 14894 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) [2022-07-21 10:45:52,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:54,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:45:58,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:46:03,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:46:06,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:46:12,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:46:15,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:46:17,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:46:17,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:46:17,685 INFO L93 Difference]: Finished difference Result 11152 states and 16438 transitions. [2022-07-21 10:46:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:46:17,687 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 94 [2022-07-21 10:46:17,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:46:17,782 INFO L225 Difference]: With dead ends: 11152 [2022-07-21 10:46:17,782 INFO L226 Difference]: Without dead ends: 11149 [2022-07-21 10:46:17,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 10:46:17,802 INFO L413 NwaCegarLoop]: 6857 mSDtfsCounter, 7407 mSDsluCounter, 3237 mSDsCounter, 0 mSdLazyCounter, 2745 mSolverCounterSat, 2299 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8244 SdHoareTripleChecker+Valid, 10094 SdHoareTripleChecker+Invalid, 5052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2299 IncrementalHoareTripleChecker+Valid, 2745 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-07-21 10:46:17,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8244 Valid, 10094 Invalid, 5052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2299 Valid, 2745 Invalid, 8 Unknown, 0 Unchecked, 28.4s Time] [2022-07-21 10:46:17,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11149 states. [2022-07-21 10:46:18,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11149 to 10247. [2022-07-21 10:46:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10247 states, 7362 states have (on average 1.3683781581092094) internal successors, (10074), 7475 states have internal predecessors, (10074), 2416 states have call successors, (2416), 469 states have call predecessors, (2416), 468 states have return successors, (2402), 2400 states have call predecessors, (2402), 2402 states have call successors, (2402) [2022-07-21 10:46:18,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10247 states to 10247 states and 14892 transitions. [2022-07-21 10:46:18,370 INFO L78 Accepts]: Start accepts. Automaton has 10247 states and 14892 transitions. Word has length 94 [2022-07-21 10:46:18,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:46:18,370 INFO L495 AbstractCegarLoop]: Abstraction has 10247 states and 14892 transitions. [2022-07-21 10:46:18,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-21 10:46:18,371 INFO L276 IsEmpty]: Start isEmpty. Operand 10247 states and 14892 transitions. [2022-07-21 10:46:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-21 10:46:18,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:46:18,372 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, 1] [2022-07-21 10:46:18,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 10:46:18,372 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:46:18,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:46:18,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1936126967, now seen corresponding path program 1 times [2022-07-21 10:46:18,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:46:18,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477917860] [2022-07-21 10:46:18,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:46:18,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:46:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 10:46:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 10:46:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 10:46:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 10:46:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:46:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 10:46:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 10:46:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 10:46:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 10:46:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 10:46:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:18,733 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-21 10:46:18,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:46:18,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477917860] [2022-07-21 10:46:18,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477917860] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:46:18,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:46:18,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:46:18,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602610010] [2022-07-21 10:46:18,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:46:18,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:46:18,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:46:18,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:46:18,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:46:18,736 INFO L87 Difference]: Start difference. First operand 10247 states and 14892 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-07-21 10:46:21,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:46:23,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:46:26,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:46:28,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:46:33,471 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 []