./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 6c24879c 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-?-6c24879 [2022-07-12 12:08:32,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:08:32,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:08:32,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:08:32,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:08:32,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:08:32,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:08:32,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:08:32,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:08:32,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:08:32,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:08:32,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:08:32,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:08:32,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:08:32,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:08:32,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:08:32,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:08:32,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:08:32,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:08:32,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:08:32,947 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:08:32,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:08:32,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:08:32,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:08:32,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:08:32,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:08:32,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:08:32,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:08:32,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:08:32,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:08:32,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:08:32,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:08:32,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:08:32,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:08:32,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:08:32,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:08:32,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:08:32,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:08:32,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:08:32,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:08:32,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:08:32,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:08:32,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:08:32,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:08:32,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:08:32,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:08:32,985 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:08:32,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:08:32,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:08:32,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:08:32,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:08:32,986 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:08:32,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:08:32,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:08:32,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:08:32,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:08:32,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:08:32,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:08:32,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:08:32,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:08:32,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:08:32,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:08:32,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:08:32,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:08:32,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:08:32,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:08:32,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:08:32,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:08:32,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:08:32,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:08:32,990 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:08:32,990 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:08:32,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:08:32,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd [2022-07-12 12:08:33,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:08:33,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:08:33,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:08:33,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:08:33,260 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:08:33,262 INFO L432 ainManager$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 [2022-07-12 12:08:33,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df3e41cb/6ccca46ce5e04b849d2b08274a32a2a5/FLAGec813ba86 [2022-07-12 12:08:34,283 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:08:34,284 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 [2022-07-12 12:08:34,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df3e41cb/6ccca46ce5e04b849d2b08274a32a2a5/FLAGec813ba86 [2022-07-12 12:08:34,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df3e41cb/6ccca46ce5e04b849d2b08274a32a2a5 [2022-07-12 12:08:34,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:08:34,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:08:34,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:08:34,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:08:34,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:08:34,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:08:34" (1/1) ... [2022-07-12 12:08:34,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fadf126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:34, skipping insertion in model container [2022-07-12 12:08:34,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:08:34" (1/1) ... [2022-07-12 12:08:34,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:08:35,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:08:45,705 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] [2022-07-12 12:08:46,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:08:46,453 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:08:47,550 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] [2022-07-12 12:08:47,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:08:47,929 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:08:47,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47 WrapperNode [2022-07-12 12:08:47,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:08:47,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:08:47,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:08:47,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:08:47,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:48,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:48,724 INFO L137 Inliner]: procedures = 905, calls = 9947, calls flagged for inlining = 323, calls inlined = 188, statements flattened = 12684 [2022-07-12 12:08:48,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:08:48,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:08:48,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:08:48,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:08:48,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:48,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:48,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:48,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:49,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:49,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:49,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:49,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:08:49,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:08:49,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:08:49,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:08:49,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (1/1) ... [2022-07-12 12:08:49,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:08:49,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:08:49,384 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) [2022-07-12 12:08:49,409 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 [2022-07-12 12:08:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM_page [2022-07-12 12:08:49,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM_page [2022-07-12 12:08:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 12:08:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-07-12 12:08:49,422 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-07-12 12:08:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_status_to_errno [2022-07-12 12:08:49,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_status_to_errno [2022-07-12 12:08:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icms [2022-07-12 12:08:49,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icms [2022-07-12 12:08:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:08:49,423 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:08:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 12:08:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 12:08:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 12:08:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 12:08:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_key [2022-07-12 12:08:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_key [2022-07-12 12:08:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure key_to_hw_index [2022-07-12 12:08:49,424 INFO L138 BoogieDeclarations]: Found implementation of procedure key_to_hw_index [2022-07-12 12:08:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 12:08:49,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 12:08:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-12 12:08:49,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-12 12:08:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 12:08:49,425 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 12:08:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_icm [2022-07-12 12:08:49,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_icm [2022-07-12 12:08:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 12:08:49,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 12:08:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uarc_virt [2022-07-12 12:08:49,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uarc_virt [2022-07-12 12:08:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-07-12 12:08:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-07-12 12:08:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 12:08:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 12:08:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-07-12 12:08:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-07-12 12:08:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:08:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:08:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2022-07-12 12:08:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2022-07-12 12:08:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_cleanup [2022-07-12 12:08:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_cleanup [2022-07-12 12:08:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2022-07-12 12:08:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2022-07-12 12:08:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:08:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:08:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2022-07-12 12:08:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2022-07-12 12:08:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_region [2022-07-12 12:08:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_region [2022-07-12 12:08:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:08:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:08:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-07-12 12:08:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-07-12 12:08:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pcie_cap [2022-07-12 12:08:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pcie_cap [2022-07-12 12:08:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CLOSE_IB [2022-07-12 12:08:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CLOSE_IB [2022-07-12 12:08:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure clear_page [2022-07-12 12:08:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_page [2022-07-12 12:08:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_alloc [2022-07-12 12:08:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_alloc [2022-07-12 12:08:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:08:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_init_one [2022-07-12 12:08:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_init_one [2022-07-12 12:08:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_create_eq [2022-07-12 12:08:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_create_eq [2022-07-12 12:08:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt [2022-07-12 12:08:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt [2022-07-12 12:08:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm_table [2022-07-12 12:08:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm_table [2022-07-12 12:08:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_catas_cleanup [2022-07-12 12:08:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_catas_cleanup [2022-07-12 12:08:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure hw_index_to_key [2022-07-12 12:08:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_index_to_key [2022-07-12 12:08:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 12:08:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 12:08:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64_raw [2022-07-12 12:08:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64_raw [2022-07-12 12:08:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 12:08:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 12:08:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_use_polling [2022-07-12 12:08:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_use_polling [2022-07-12 12:08:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-12 12:08:49,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-12 12:08:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm_table [2022-07-12 12:08:49,435 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm_table [2022-07-12 12:08:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:08:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt_range [2022-07-12 12:08:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt_range [2022-07-12 12:08:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 12:08:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 12:08:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:08:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:08:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 12:08:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 12:08:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:08:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-12 12:08:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-12 12:08:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_free [2022-07-12 12:08:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_free [2022-07-12 12:08:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_cleanup [2022-07-12 12:08:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_cleanup [2022-07-12 12:08:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_eq_req_not [2022-07-12 12:08:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_eq_req_not [2022-07-12 12:08:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 12:08:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 12:08:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2022-07-12 12:08:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2022-07-12 12:08:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:08:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:08:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_cleanup [2022-07-12 12:08:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_cleanup [2022-07-12 12:08:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_eq_table [2022-07-12 12:08:49,439 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_eq_table [2022-07-12 12:08:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 12:08:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 12:08:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:08:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:08:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 12:08:49,440 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 12:08:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:08:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:08:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:08:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 12:08:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 12:08:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_av_table [2022-07-12 12:08:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_av_table [2022-07-12 12:08:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm [2022-07-12 12:08:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm [2022-07-12 12:08:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_alloc_mtt [2022-07-12 12:08:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_alloc_mtt [2022-07-12 12:08:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-12 12:08:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-12 12:08:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:08:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:08:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:08:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:08:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_is_memfree [2022-07-12 12:08:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_is_memfree [2022-07-12 12:08:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_eq_req_not [2022-07-12 12:08:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_eq_req_not [2022-07-12 12:08:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM [2022-07-12 12:08:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM [2022-07-12 12:08:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:08:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:08:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_eqe_hw [2022-07-12 12:08:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_eqe_hw [2022-07-12 12:08:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 12:08:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 12:08:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 12:08:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 12:08:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:08:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 12:08:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 12:08:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_update_rate [2022-07-12 12:08:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_update_rate [2022-07-12 12:08:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:08:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM [2022-07-12 12:08:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM [2022-07-12 12:08:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_init [2022-07-12 12:08:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_init [2022-07-12 12:08:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 12:08:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 12:08:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 12:08:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 12:08:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_uar_table [2022-07-12 12:08:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_uar_table [2022-07-12 12:08:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 12:08:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 12:08:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 12:08:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 12:08:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_addr [2022-07-12 12:08:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_addr [2022-07-12 12:08:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-12 12:08:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-12 12:08:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-12 12:08:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-12 12:08:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 12:08:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 12:08:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 12:08:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 12:08:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mtt [2022-07-12 12:08:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mtt [2022-07-12 12:08:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure go_bit [2022-07-12 12:08:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure go_bit [2022-07-12 12:08:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:08:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free [2022-07-12 12:08:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free [2022-07-12 12:08:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-07-12 12:08:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-07-12 12:08:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-12 12:08:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-12 12:08:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:08:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:08:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-12 12:08:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-12 12:08:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SW2HW_MPT [2022-07-12 12:08:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SW2HW_MPT [2022-07-12 12:08:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_write_word [2022-07-12 12:08:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_write_word [2022-07-12 12:08:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_irqs [2022-07-12 12:08:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_irqs [2022-07-12 12:08:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mr_table [2022-07-12 12:08:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mr_table [2022-07-12 12:08:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2022-07-12 12:08:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2022-07-12 12:08:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_GET [2022-07-12 12:08:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-12 12:08:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-12 12:08:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-12 12:08:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-12 12:08:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_notrans [2022-07-12 12:08:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_notrans [2022-07-12 12:08:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-07-12 12:08:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-07-12 12:08:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-12 12:08:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-12 12:08:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_put [2022-07-12 12:08:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_put [2022-07-12 12:08:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc [2022-07-12 12:08:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc [2022-07-12 12:08:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64 [2022-07-12 12:08:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64 [2022-07-12 12:08:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-12 12:08:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-12 12:08:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_imm [2022-07-12 12:08:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_imm [2022-07-12 12:08:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mcg_table [2022-07-12 12:08:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mcg_table [2022-07-12 12:08:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_qp_table [2022-07-12 12:08:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_qp_table [2022-07-12 12:08:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 12:08:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 12:08:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2022-07-12 12:08:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2022-07-12 12:08:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2022-07-12 12:08:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2022-07-12 12:08:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-12 12:08:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-12 12:08:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 12:08:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 12:08:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_INIT_HCA [2022-07-12 12:08:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_INIT_HCA [2022-07-12 12:08:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_hw_index_to_key [2022-07-12 12:08:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_hw_index_to_key [2022-07-12 12:08:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:08:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:08:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:08:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:08:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-12 12:08:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-12 12:08:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_cq_table [2022-07-12 12:08:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_cq_table [2022-07-12 12:08:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_cleanup [2022-07-12 12:08:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_cleanup [2022-07-12 12:08:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:08:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:08:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_close_hca [2022-07-12 12:08:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_close_hca [2022-07-12 12:08:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_EQ [2022-07-12 12:08:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_EQ [2022-07-12 12:08:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure down [2022-07-12 12:08:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2022-07-12 12:08:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-12 12:08:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-12 12:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAD_IFC [2022-07-12 12:08:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAD_IFC [2022-07-12 12:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_cmd [2022-07-12 12:08:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_cmd [2022-07-12 12:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-12 12:08:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-12 12:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:08:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-12 12:08:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-12 12:08:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_eq [2022-07-12 12:08:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_eq [2022-07-12 12:08:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_alloc [2022-07-12 12:08:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_alloc [2022-07-12 12:08:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mailbox [2022-07-12 12:08:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mailbox [2022-07-12 12:08:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 12:08:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 12:08:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-12 12:08:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-12 12:08:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:08:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_DISABLE_LAM [2022-07-12 12:08:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_DISABLE_LAM [2022-07-12 12:08:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 12:08:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 12:08:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:08:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-07-12 12:08:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-07-12 12:08:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_alloc [2022-07-12 12:08:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_alloc [2022-07-12 12:08:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-07-12 12:08:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-07-12 12:08:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-12 12:08:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-12 12:08:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_setup_hca [2022-07-12 12:08:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_setup_hca [2022-07-12 12:08:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:08:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:08:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc [2022-07-12 12:08:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc [2022-07-12 12:08:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CONF_SPECIAL_QP [2022-07-12 12:08:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CONF_SPECIAL_QP [2022-07-12 12:08:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_reg [2022-07-12 12:08:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_reg [2022-07-12 12:08:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_check_profile_val [2022-07-12 12:08:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_check_profile_val [2022-07-12 12:08:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2022-07-12 12:08:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2022-07-12 12:08:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_FA [2022-07-12 12:08:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_FA [2022-07-12 12:08:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_free [2022-07-12 12:08:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_free [2022-07-12 12:08:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-12 12:08:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-12 12:08:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt_size [2022-07-12 12:08:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt_size [2022-07-12 12:08:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure dma_get_cache_alignment [2022-07-12 12:08:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_get_cache_alignment [2022-07-12 12:08:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mr [2022-07-12 12:08:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mr [2022-07-12 12:08:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mailbox [2022-07-12 12:08:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mailbox [2022-07-12 12:08:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 12:08:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 12:08:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 12:08:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 12:08:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_dev_lim [2022-07-12 12:08:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_dev_lim [2022-07-12 12:08:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-07-12 12:08:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-07-12 12:08:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_hw_index_to_key [2022-07-12 12:08:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_hw_index_to_key [2022-07-12 12:08:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_QUERY_FW [2022-07-12 12:08:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_QUERY_FW [2022-07-12 12:08:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-07-12 12:08:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-07-12 12:08:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 12:08:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 12:08:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SYS_DIS [2022-07-12 12:08:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SYS_DIS [2022-07-12 12:08:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_init [2022-07-12 12:08:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_init [2022-07-12 12:08:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_box [2022-07-12 12:08:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_box [2022-07-12 12:08:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:08:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-07-12 12:08:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-07-12 12:08:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 12:08:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 12:08:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_make_profile [2022-07-12 12:08:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_make_profile [2022-07-12 12:08:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2022-07-12 12:08:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2022-07-12 12:08:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 12:08:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 12:08:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unregister_device [2022-07-12 12:08:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unregister_device [2022-07-12 12:08:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_key_to_hw_index [2022-07-12 12:08:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_key_to_hw_index [2022-07-12 12:08:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-12 12:08:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-12 12:08:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 12:08:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 12:08:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-12 12:08:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-12 12:08:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-12 12:08:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-12 12:08:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-12 12:08:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-12 12:08:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:08:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_find [2022-07-12 12:08:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_find [2022-07-12 12:08:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm [2022-07-12 12:08:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm [2022-07-12 12:08:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_size [2022-07-12 12:08:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_size [2022-07-12 12:08:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 12:08:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 12:08:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-12 12:08:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-12 12:08:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_srq_table [2022-07-12 12:08:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_srq_table [2022-07-12 12:08:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_poll [2022-07-12 12:08:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_poll [2022-07-12 12:08:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM_AUX [2022-07-12 12:08:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM_AUX [2022-07-12 12:08:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2022-07-12 12:08:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2022-07-12 12:08:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_wait [2022-07-12 12:08:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_wait [2022-07-12 12:08:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_phys [2022-07-12 12:08:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_phys [2022-07-12 12:08:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2022-07-12 12:08:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2022-07-12 12:08:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:08:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:08:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_eqe [2022-07-12 12:08:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eqe [2022-07-12 12:08:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure async_mask [2022-07-12 12:08:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mask [2022-07-12 12:08:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_init [2022-07-12 12:08:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_init [2022-07-12 12:08:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_free [2022-07-12 12:08:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_free [2022-07-12 12:08:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd [2022-07-12 12:08:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd [2022-07-12 12:08:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-12 12:08:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-12 12:08:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_get [2022-07-12 12:08:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_get [2022-07-12 12:08:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_remove_one [2022-07-12 12:08:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_remove_one [2022-07-12 12:08:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 12:08:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 12:08:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_pd_table [2022-07-12 12:08:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_pd_table [2022-07-12 12:08:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure init_query_mad [2022-07-12 12:08:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure init_query_mad [2022-07-12 12:08:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-12 12:08:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-12 12:08:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-12 12:08:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-12 12:08:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_post [2022-07-12 12:08:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_post [2022-07-12 12:08:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:08:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:08:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 12:08:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 12:08:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:08:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_regs [2022-07-12 12:08:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_regs [2022-07-12 12:08:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_PUT [2022-07-12 12:08:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt [2022-07-12 12:08:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt [2022-07-12 12:08:50,996 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:08:51,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:09:33,433 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:09:33,487 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:09:33,487 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:09:33,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:09:33 BoogieIcfgContainer [2022-07-12 12:09:33,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:09:33,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:09:33,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:09:33,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:09:33,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:08:34" (1/3) ... [2022-07-12 12:09:33,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cf46f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:09:33, skipping insertion in model container [2022-07-12 12:09:33,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:08:47" (2/3) ... [2022-07-12 12:09:33,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cf46f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:09:33, skipping insertion in model container [2022-07-12 12:09:33,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:09:33" (3/3) ... [2022-07-12 12:09:33,514 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-07-12 12:09:33,529 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:09:33,530 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:09:33,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:09:33,716 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@2258929e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4612db98 [2022-07-12 12:09:33,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:09:33,739 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) [2022-07-12 12:09:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-12 12:09:33,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:09:33,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:09:33,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:09:33,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:09:33,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1106398898, now seen corresponding path program 1 times [2022-07-12 12:09:33,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:09:33,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129852262] [2022-07-12 12:09:33,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:09:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:09:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:09:34,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:09:34,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129852262] [2022-07-12 12:09:34,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129852262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:09:34,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:09:34,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:09:34,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415204779] [2022-07-12 12:09:34,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:09:34,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:09:34,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:09:34,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:09:34,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:09:34,576 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) [2022-07-12 12:09:35,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:09:35,366 INFO L93 Difference]: Finished difference Result 10153 states and 15210 transitions. [2022-07-12 12:09:35,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:09:35,369 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 [2022-07-12 12:09:35,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:09:35,423 INFO L225 Difference]: With dead ends: 10153 [2022-07-12 12:09:35,423 INFO L226 Difference]: Without dead ends: 5113 [2022-07-12 12:09:35,465 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 [2022-07-12 12:09:35,469 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, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:09:35,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 14639 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:09:35,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2022-07-12 12:09:35,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 5083. [2022-07-12 12:09:35,801 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) [2022-07-12 12:09:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7438 transitions. [2022-07-12 12:09:35,844 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7438 transitions. Word has length 18 [2022-07-12 12:09:35,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:09:35,845 INFO L495 AbstractCegarLoop]: Abstraction has 5083 states and 7438 transitions. [2022-07-12 12:09:35,845 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) [2022-07-12 12:09:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7438 transitions. [2022-07-12 12:09:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-12 12:09:35,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:09:35,848 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] [2022-07-12 12:09:35,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:09:35,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:09:35,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:09:35,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1003916877, now seen corresponding path program 1 times [2022-07-12 12:09:35,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:09:35,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058676767] [2022-07-12 12:09:35,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:09:35,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:09:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:36,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:09:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:09:36,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:09:36,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058676767] [2022-07-12 12:09:36,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058676767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:09:36,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:09:36,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:09:36,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834227134] [2022-07-12 12:09:36,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:09:36,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:09:36,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:09:36,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:09:36,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:09:36,188 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) [2022-07-12 12:09:36,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:09:36,759 INFO L93 Difference]: Finished difference Result 15129 states and 22144 transitions. [2022-07-12 12:09:36,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:09:36,760 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 [2022-07-12 12:09:36,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:09:36,853 INFO L225 Difference]: With dead ends: 15129 [2022-07-12 12:09:36,853 INFO L226 Difference]: Without dead ends: 10049 [2022-07-12 12:09:36,896 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 [2022-07-12 12:09:36,899 INFO L413 NwaCegarLoop]: 14353 mSDtfsCounter, 7221 mSDsluCounter, 7216 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7221 SdHoareTripleChecker+Valid, 21569 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:09:36,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7221 Valid, 21569 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 12:09:36,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10049 states. [2022-07-12 12:09:37,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10049 to 10035. [2022-07-12 12:09:37,382 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) [2022-07-12 12:09:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10035 states to 10035 states and 14690 transitions. [2022-07-12 12:09:37,456 INFO L78 Accepts]: Start accepts. Automaton has 10035 states and 14690 transitions. Word has length 21 [2022-07-12 12:09:37,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:09:37,456 INFO L495 AbstractCegarLoop]: Abstraction has 10035 states and 14690 transitions. [2022-07-12 12:09:37,457 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) [2022-07-12 12:09:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 10035 states and 14690 transitions. [2022-07-12 12:09:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-12 12:09:37,467 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:09:37,467 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] [2022-07-12 12:09:37,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:09:37,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:09:37,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:09:37,469 INFO L85 PathProgramCache]: Analyzing trace with hash -172954937, now seen corresponding path program 1 times [2022-07-12 12:09:37,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:09:37,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570852871] [2022-07-12 12:09:37,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:09:37,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:09:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:09:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:09:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 12:09:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:09:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:38,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:09:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:38,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:09:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:38,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 12:09:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:38,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 12:09:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:09:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 12:09:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:09:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-12 12:09:38,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:09:38,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570852871] [2022-07-12 12:09:38,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570852871] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:09:38,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:09:38,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:09:38,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87802001] [2022-07-12 12:09:38,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:09:38,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:09:38,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:09:38,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:09:38,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:09:38,211 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) [2022-07-12 12:09:41,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:09:43,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:09:48,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:09:52,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:09:55,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:09:59,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:10:07,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:10:07,032 INFO L93 Difference]: Finished difference Result 21054 states and 31031 transitions. [2022-07-12 12:10:07,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:10:07,034 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 [2022-07-12 12:10:07,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:10:07,116 INFO L225 Difference]: With dead ends: 21054 [2022-07-12 12:10:07,116 INFO L226 Difference]: Without dead ends: 11022 [2022-07-12 12:10:07,165 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 [2022-07-12 12:10:07,167 INFO L413 NwaCegarLoop]: 6911 mSDtfsCounter, 7509 mSDsluCounter, 3171 mSDsCounter, 0 mSdLazyCounter, 2641 mSolverCounterSat, 2340 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8342 SdHoareTripleChecker+Valid, 10082 SdHoareTripleChecker+Invalid, 4987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2340 IncrementalHoareTripleChecker+Valid, 2641 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2022-07-12 12:10:07,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8342 Valid, 10082 Invalid, 4987 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2340 Valid, 2641 Invalid, 6 Unknown, 0 Unchecked, 27.8s Time] [2022-07-12 12:10:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11022 states. [2022-07-12 12:10:07,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11022 to 10056. [2022-07-12 12:10:07,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10056 states, 7222 states have (on average 1.372888396566048) internal successors, (9915), 7338 states have internal predecessors, (9915), 2403 states have call successors, (2403), 431 states have call predecessors, (2403), 430 states have return successors, (2384), 2384 states have call predecessors, (2384), 2384 states have call successors, (2384) [2022-07-12 12:10:07,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 14702 transitions. [2022-07-12 12:10:07,807 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 14702 transitions. Word has length 91 [2022-07-12 12:10:07,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:10:07,808 INFO L495 AbstractCegarLoop]: Abstraction has 10056 states and 14702 transitions. [2022-07-12 12:10:07,808 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) [2022-07-12 12:10:07,809 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 14702 transitions. [2022-07-12 12:10:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-12 12:10:07,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:10:07,811 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] [2022-07-12 12:10:07,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:10:07,811 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:10:07,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:10:07,812 INFO L85 PathProgramCache]: Analyzing trace with hash 45899781, now seen corresponding path program 1 times [2022-07-12 12:10:07,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:10:07,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452510574] [2022-07-12 12:10:07,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:10:07,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:10:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:10:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:10:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 12:10:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:10:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:10:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:10:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 12:10:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 12:10:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:10:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 12:10:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-12 12:10:08,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:10:08,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452510574] [2022-07-12 12:10:08,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452510574] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:10:08,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:10:08,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:10:08,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953159246] [2022-07-12 12:10:08,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:10:08,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:10:08,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:10:08,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:10:08,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:10:08,330 INFO L87 Difference]: Start difference. First operand 10056 states and 14702 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) [2022-07-12 12:10:11,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:10:13,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:10:16,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:10:20,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:10:26,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:10:28,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:10:36,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:10:39,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:10:41,385 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 [] [2022-07-12 12:10:41,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:10:41,571 INFO L93 Difference]: Finished difference Result 11156 states and 16472 transitions. [2022-07-12 12:10:41,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:10:41,573 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 [2022-07-12 12:10:41,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:10:41,640 INFO L225 Difference]: With dead ends: 11156 [2022-07-12 12:10:41,640 INFO L226 Difference]: Without dead ends: 11127 [2022-07-12 12:10:41,651 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 [2022-07-12 12:10:41,652 INFO L413 NwaCegarLoop]: 6929 mSDtfsCounter, 7432 mSDsluCounter, 3309 mSDsCounter, 0 mSdLazyCounter, 2745 mSolverCounterSat, 2296 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8267 SdHoareTripleChecker+Valid, 10238 SdHoareTripleChecker+Invalid, 5050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2296 IncrementalHoareTripleChecker+Valid, 2745 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:10:41,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8267 Valid, 10238 Invalid, 5050 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2296 Valid, 2745 Invalid, 9 Unknown, 0 Unchecked, 32.5s Time] [2022-07-12 12:10:41,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11127 states. [2022-07-12 12:10:42,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11127 to 10198. [2022-07-12 12:10:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10198 states, 7322 states have (on average 1.3698443048347446) internal successors, (10030), 7440 states have internal predecessors, (10030), 2419 states have call successors, (2419), 457 states have call predecessors, (2419), 456 states have return successors, (2400), 2398 states have call predecessors, (2400), 2400 states have call successors, (2400) [2022-07-12 12:10:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10198 states to 10198 states and 14849 transitions. [2022-07-12 12:10:42,147 INFO L78 Accepts]: Start accepts. Automaton has 10198 states and 14849 transitions. Word has length 91 [2022-07-12 12:10:42,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:10:42,148 INFO L495 AbstractCegarLoop]: Abstraction has 10198 states and 14849 transitions. [2022-07-12 12:10:42,148 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) [2022-07-12 12:10:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 10198 states and 14849 transitions. [2022-07-12 12:10:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-12 12:10:42,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:10:42,151 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] [2022-07-12 12:10:42,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:10:42,152 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:10:42,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:10:42,152 INFO L85 PathProgramCache]: Analyzing trace with hash 103158083, now seen corresponding path program 1 times [2022-07-12 12:10:42,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:10:42,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208434055] [2022-07-12 12:10:42,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:10:42,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:10:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:10:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:10:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 12:10:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:10:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:10:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:10:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 12:10:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 12:10:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:10:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 12:10:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:10:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-12 12:10:42,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:10:42,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208434055] [2022-07-12 12:10:42,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208434055] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:10:42,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:10:42,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:10:42,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266217871] [2022-07-12 12:10:42,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:10:42,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:10:42,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:10:42,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:10:42,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:10:42,696 INFO L87 Difference]: Start difference. First operand 10198 states and 14849 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) [2022-07-12 12:10:45,996 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 [] [2022-07-12 12:10:48,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:10:52,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:10:58,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:11:00,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:08,542 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 [] [2022-07-12 12:11:09,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:11:09,865 INFO L93 Difference]: Finished difference Result 11102 states and 16393 transitions. [2022-07-12 12:11:09,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:11:09,867 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 [2022-07-12 12:11:09,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:11:09,923 INFO L225 Difference]: With dead ends: 11102 [2022-07-12 12:11:09,923 INFO L226 Difference]: Without dead ends: 11099 [2022-07-12 12:11:09,935 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 [2022-07-12 12:11:09,936 INFO L413 NwaCegarLoop]: 6889 mSDtfsCounter, 7406 mSDsluCounter, 3244 mSDsCounter, 0 mSdLazyCounter, 2750 mSolverCounterSat, 2291 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8239 SdHoareTripleChecker+Valid, 10133 SdHoareTripleChecker+Invalid, 5047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2291 IncrementalHoareTripleChecker+Valid, 2750 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:11:09,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8239 Valid, 10133 Invalid, 5047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2291 Valid, 2750 Invalid, 6 Unknown, 0 Unchecked, 26.5s Time] [2022-07-12 12:11:09,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11099 states. [2022-07-12 12:11:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11099 to 10197. [2022-07-12 12:11:10,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10197 states, 7322 states have (on average 1.3697077301283802) internal successors, (10029), 7439 states have internal predecessors, (10029), 2418 states have call successors, (2418), 457 states have call predecessors, (2418), 456 states have return successors, (2400), 2398 states have call predecessors, (2400), 2400 states have call successors, (2400) [2022-07-12 12:11:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10197 states to 10197 states and 14847 transitions. [2022-07-12 12:11:10,510 INFO L78 Accepts]: Start accepts. Automaton has 10197 states and 14847 transitions. Word has length 91 [2022-07-12 12:11:10,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:11:10,510 INFO L495 AbstractCegarLoop]: Abstraction has 10197 states and 14847 transitions. [2022-07-12 12:11:10,510 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) [2022-07-12 12:11:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 10197 states and 14847 transitions. [2022-07-12 12:11:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-12 12:11:10,516 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:11:10,516 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] [2022-07-12 12:11:10,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 12:11:10,516 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:11:10,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:11:10,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1099147578, now seen corresponding path program 1 times [2022-07-12 12:11:10,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:11:10,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284367381] [2022-07-12 12:11:10,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:11:10,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:11:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:11:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:11:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 12:11:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:11:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:11:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:11:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 12:11:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 12:11:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:11:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 12:11:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:10,977 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-12 12:11:10,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:11:10,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284367381] [2022-07-12 12:11:10,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284367381] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:11:10,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:11:10,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:11:10,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112613723] [2022-07-12 12:11:10,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:11:10,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:11:10,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:11:10,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:11:10,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:11:10,980 INFO L87 Difference]: Start difference. First operand 10197 states and 14847 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) [2022-07-12 12:11:14,223 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 [] [2022-07-12 12:11:16,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:20,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:27,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:11:29,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:36,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:39,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:41,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:11:41,779 INFO L93 Difference]: Finished difference Result 11101 states and 16391 transitions. [2022-07-12 12:11:41,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:11:41,780 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 [2022-07-12 12:11:41,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:11:41,825 INFO L225 Difference]: With dead ends: 11101 [2022-07-12 12:11:41,826 INFO L226 Difference]: Without dead ends: 11098 [2022-07-12 12:11:41,833 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 [2022-07-12 12:11:41,835 INFO L413 NwaCegarLoop]: 6875 mSDtfsCounter, 7411 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 2744 mSolverCounterSat, 2296 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8242 SdHoareTripleChecker+Valid, 10120 SdHoareTripleChecker+Invalid, 5048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2296 IncrementalHoareTripleChecker+Valid, 2744 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:11:41,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8242 Valid, 10120 Invalid, 5048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2296 Valid, 2744 Invalid, 8 Unknown, 0 Unchecked, 30.1s Time] [2022-07-12 12:11:41,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11098 states. [2022-07-12 12:11:42,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11098 to 10196. [2022-07-12 12:11:42,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10196 states, 7322 states have (on average 1.3695711554220158) internal successors, (10028), 7438 states have internal predecessors, (10028), 2417 states have call successors, (2417), 457 states have call predecessors, (2417), 456 states have return successors, (2400), 2398 states have call predecessors, (2400), 2400 states have call successors, (2400) [2022-07-12 12:11:42,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10196 states to 10196 states and 14845 transitions. [2022-07-12 12:11:42,291 INFO L78 Accepts]: Start accepts. Automaton has 10196 states and 14845 transitions. Word has length 92 [2022-07-12 12:11:42,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:11:42,293 INFO L495 AbstractCegarLoop]: Abstraction has 10196 states and 14845 transitions. [2022-07-12 12:11:42,293 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) [2022-07-12 12:11:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 10196 states and 14845 transitions. [2022-07-12 12:11:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-12 12:11:42,294 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:11:42,294 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] [2022-07-12 12:11:42,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 12:11:42,295 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:11:42,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:11:42,295 INFO L85 PathProgramCache]: Analyzing trace with hash 284087462, now seen corresponding path program 1 times [2022-07-12 12:11:42,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:11:42,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381065619] [2022-07-12 12:11:42,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:11:42,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:11:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:11:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:11:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 12:11:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:11:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:11:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:11:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 12:11:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 12:11:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:11:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 12:11:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:11:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-12 12:11:42,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:11:42,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381065619] [2022-07-12 12:11:42,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381065619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:11:42,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:11:42,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:11:42,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921239141] [2022-07-12 12:11:42,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:11:42,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:11:42,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:11:42,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:11:42,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:11:42,723 INFO L87 Difference]: Start difference. First operand 10196 states and 14845 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) [2022-07-12 12:11:46,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:48,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:51,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:11:55,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:12:02,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:12:04,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:12:12,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:12:16,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:12:18,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:12:26,451 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 [] [2022-07-12 12:12:27,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:12:27,052 INFO L93 Difference]: Finished difference Result 16760 states and 24518 transitions. [2022-07-12 12:12:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:12:27,053 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 [2022-07-12 12:12:27,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:12:27,159 INFO L225 Difference]: With dead ends: 16760 [2022-07-12 12:12:27,159 INFO L226 Difference]: Without dead ends: 16756 [2022-07-12 12:12:27,179 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 [2022-07-12 12:12:27,179 INFO L413 NwaCegarLoop]: 7519 mSDtfsCounter, 8279 mSDsluCounter, 5747 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 2853 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9287 SdHoareTripleChecker+Valid, 13266 SdHoareTripleChecker+Invalid, 7558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2853 IncrementalHoareTripleChecker+Valid, 4696 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.3s IncrementalHoareTripleChecker+Time [2022-07-12 12:12:27,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9287 Valid, 13266 Invalid, 7558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2853 Valid, 4696 Invalid, 9 Unknown, 0 Unchecked, 43.3s Time] [2022-07-12 12:12:27,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16756 states. [2022-07-12 12:12:27,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16756 to 15660. [2022-07-12 12:12:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15660 states, 11136 states have (on average 1.3498563218390804) internal successors, (15032), 11396 states have internal predecessors, (15032), 3665 states have call successors, (3665), 827 states have call predecessors, (3665), 858 states have return successors, (3952), 3590 states have call predecessors, (3952), 3648 states have call successors, (3952) [2022-07-12 12:12:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15660 states to 15660 states and 22649 transitions. [2022-07-12 12:12:28,109 INFO L78 Accepts]: Start accepts. Automaton has 15660 states and 22649 transitions. Word has length 93 [2022-07-12 12:12:28,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:12:28,110 INFO L495 AbstractCegarLoop]: Abstraction has 15660 states and 22649 transitions. [2022-07-12 12:12:28,110 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) [2022-07-12 12:12:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 15660 states and 22649 transitions. [2022-07-12 12:12:28,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-12 12:12:28,112 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:12:28,112 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] [2022-07-12 12:12:28,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 12:12:28,112 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:12:28,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:12:28,113 INFO L85 PathProgramCache]: Analyzing trace with hash 214705609, now seen corresponding path program 1 times [2022-07-12 12:12:28,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:12:28,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250525543] [2022-07-12 12:12:28,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:12:28,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:12:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:12:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:12:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 12:12:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:12:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:12:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:12:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 12:12:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 12:12:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:12:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 12:12:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:12:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-12 12:12:28,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:12:28,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250525543] [2022-07-12 12:12:28,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250525543] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:12:28,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:12:28,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:12:28,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788291741] [2022-07-12 12:12:28,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:12:28,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:12:28,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:12:28,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:12:28,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:12:28,547 INFO L87 Difference]: Start difference. First operand 15660 states and 22649 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)