./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 791161d1 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-?-791161d [2022-07-22 23:25:20,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:25:20,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:25:20,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:25:20,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:25:20,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:25:20,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:25:20,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:25:20,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:25:20,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:25:20,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:25:20,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:25:20,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:25:20,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:25:20,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:25:20,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:25:20,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:25:20,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:25:20,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:25:20,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:25:20,292 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:25:20,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:25:20,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:25:20,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:25:20,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:25:20,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:25:20,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:25:20,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:25:20,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:25:20,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:25:20,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:25:20,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:25:20,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:25:20,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:25:20,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:25:20,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:25:20,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:25:20,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:25:20,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:25:20,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:25:20,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:25:20,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:25:20,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:25:20,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:25:20,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:25:20,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:25:20,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:25:20,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:25:20,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:25:20,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:25:20,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:25:20,337 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:25:20,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:25:20,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:25:20,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:25:20,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:25:20,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:25:20,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:25:20,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:25:20,339 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:25:20,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:25:20,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:25:20,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:25:20,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:25:20,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:25:20,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:25:20,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:25:20,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:25:20,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:25:20,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:25:20,342 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:25:20,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:25:20,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:25:20,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd [2022-07-22 23:25:20,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:25:20,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:25:20,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:25:20,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:25:20,563 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:25:20,564 INFO L432 ainManager$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 [2022-07-22 23:25:20,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bd8b2b2/fd75230cfa4e457ca8dd6c61ea7c084a/FLAG0e6cf1e49 [2022-07-22 23:25:21,422 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:25:21,423 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 [2022-07-22 23:25:21,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bd8b2b2/fd75230cfa4e457ca8dd6c61ea7c084a/FLAG0e6cf1e49 [2022-07-22 23:25:21,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bd8b2b2/fd75230cfa4e457ca8dd6c61ea7c084a [2022-07-22 23:25:21,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:25:21,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:25:21,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:25:21,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:25:21,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:25:21,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:25:21" (1/1) ... [2022-07-22 23:25:21,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472d5f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:21, skipping insertion in model container [2022-07-22 23:25:21,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:25:21" (1/1) ... [2022-07-22 23:25:21,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:25:21,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:25:30,092 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] [2022-07-22 23:25:30,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:25:30,729 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:25:31,413 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] [2022-07-22 23:25:31,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:25:31,732 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:25:31,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31 WrapperNode [2022-07-22 23:25:31,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:25:31,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:25:31,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:25:31,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:25:31,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:31,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:32,241 INFO L137 Inliner]: procedures = 905, calls = 9947, calls flagged for inlining = 323, calls inlined = 188, statements flattened = 12684 [2022-07-22 23:25:32,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:25:32,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:25:32,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:25:32,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:25:32,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:32,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:32,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:32,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:32,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:32,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:32,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:32,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:25:32,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:25:32,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:25:32,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:25:32,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (1/1) ... [2022-07-22 23:25:32,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:25:32,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:25:32,857 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) [2022-07-22 23:25:32,891 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 [2022-07-22 23:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM_page [2022-07-22 23:25:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM_page [2022-07-22 23:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-22 23:25:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-07-22 23:25:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-07-22 23:25:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_status_to_errno [2022-07-22 23:25:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_status_to_errno [2022-07-22 23:25:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icms [2022-07-22 23:25:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icms [2022-07-22 23:25:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-22 23:25:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-22 23:25:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-22 23:25:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-22 23:25:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-22 23:25:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-22 23:25:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_key [2022-07-22 23:25:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_key [2022-07-22 23:25:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure key_to_hw_index [2022-07-22 23:25:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure key_to_hw_index [2022-07-22 23:25:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-22 23:25:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-22 23:25:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-22 23:25:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-22 23:25:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-22 23:25:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-22 23:25:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_icm [2022-07-22 23:25:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_icm [2022-07-22 23:25:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 23:25:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 23:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uarc_virt [2022-07-22 23:25:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uarc_virt [2022-07-22 23:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-07-22 23:25:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-07-22 23:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-22 23:25:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-22 23:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-07-22 23:25:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-07-22 23:25:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 23:25:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 23:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2022-07-22 23:25:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2022-07-22 23:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_cleanup [2022-07-22 23:25:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_cleanup [2022-07-22 23:25:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2022-07-22 23:25:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2022-07-22 23:25:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 23:25:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 23:25:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2022-07-22 23:25:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2022-07-22 23:25:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_region [2022-07-22 23:25:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_region [2022-07-22 23:25:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-22 23:25:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-22 23:25:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-07-22 23:25:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-07-22 23:25:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pcie_cap [2022-07-22 23:25:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pcie_cap [2022-07-22 23:25:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CLOSE_IB [2022-07-22 23:25:32,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CLOSE_IB [2022-07-22 23:25:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure clear_page [2022-07-22 23:25:32,939 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_page [2022-07-22 23:25:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_alloc [2022-07-22 23:25:32,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_alloc [2022-07-22 23:25:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 23:25:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_init_one [2022-07-22 23:25:32,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_init_one [2022-07-22 23:25:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_create_eq [2022-07-22 23:25:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_create_eq [2022-07-22 23:25:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt [2022-07-22 23:25:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt [2022-07-22 23:25:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm_table [2022-07-22 23:25:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm_table [2022-07-22 23:25:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_catas_cleanup [2022-07-22 23:25:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_catas_cleanup [2022-07-22 23:25:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure hw_index_to_key [2022-07-22 23:25:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_index_to_key [2022-07-22 23:25:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-22 23:25:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-22 23:25:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64_raw [2022-07-22 23:25:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64_raw [2022-07-22 23:25:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-22 23:25:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-22 23:25:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_use_polling [2022-07-22 23:25:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_use_polling [2022-07-22 23:25:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-22 23:25:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-22 23:25:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm_table [2022-07-22 23:25:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm_table [2022-07-22 23:25:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:25:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt_range [2022-07-22 23:25:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt_range [2022-07-22 23:25:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-22 23:25:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-22 23:25:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:25:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:25:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-22 23:25:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-22 23:25:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 23:25:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-22 23:25:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-22 23:25:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_free [2022-07-22 23:25:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_free [2022-07-22 23:25:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_cleanup [2022-07-22 23:25:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_cleanup [2022-07-22 23:25:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_eq_req_not [2022-07-22 23:25:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_eq_req_not [2022-07-22 23:25:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-22 23:25:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-22 23:25:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2022-07-22 23:25:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2022-07-22 23:25:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 23:25:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 23:25:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_cleanup [2022-07-22 23:25:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_cleanup [2022-07-22 23:25:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_eq_table [2022-07-22 23:25:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_eq_table [2022-07-22 23:25:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-22 23:25:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-22 23:25:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:25:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:25:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-22 23:25:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-22 23:25:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-22 23:25:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-22 23:25:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:25:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-22 23:25:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-22 23:25:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_av_table [2022-07-22 23:25:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_av_table [2022-07-22 23:25:32,951 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm [2022-07-22 23:25:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm [2022-07-22 23:25:32,951 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_alloc_mtt [2022-07-22 23:25:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_alloc_mtt [2022-07-22 23:25:32,951 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-22 23:25:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-22 23:25:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 23:25:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 23:25:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:25:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:25:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_is_memfree [2022-07-22 23:25:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_is_memfree [2022-07-22 23:25:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_eq_req_not [2022-07-22 23:25:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_eq_req_not [2022-07-22 23:25:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM [2022-07-22 23:25:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM [2022-07-22 23:25:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:25:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:25:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure set_eqe_hw [2022-07-22 23:25:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure set_eqe_hw [2022-07-22 23:25:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-22 23:25:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-22 23:25:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-22 23:25:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-22 23:25:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:25:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-22 23:25:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-22 23:25:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_update_rate [2022-07-22 23:25:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_update_rate [2022-07-22 23:25:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:25:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM [2022-07-22 23:25:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM [2022-07-22 23:25:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_init [2022-07-22 23:25:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_init [2022-07-22 23:25:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-22 23:25:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-22 23:25:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-22 23:25:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-22 23:25:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_uar_table [2022-07-22 23:25:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_uar_table [2022-07-22 23:25:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-22 23:25:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-22 23:25:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-22 23:25:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-22 23:25:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_addr [2022-07-22 23:25:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_addr [2022-07-22 23:25:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-22 23:25:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-22 23:25:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-22 23:25:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-22 23:25:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-22 23:25:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-22 23:25:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-22 23:25:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-22 23:25:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mtt [2022-07-22 23:25:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mtt [2022-07-22 23:25:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure go_bit [2022-07-22 23:25:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure go_bit [2022-07-22 23:25:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 23:25:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free [2022-07-22 23:25:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free [2022-07-22 23:25:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-07-22 23:25:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-07-22 23:25:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-22 23:25:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-22 23:25:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:25:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:25:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-22 23:25:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-22 23:25:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SW2HW_MPT [2022-07-22 23:25:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SW2HW_MPT [2022-07-22 23:25:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_write_word [2022-07-22 23:25:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_write_word [2022-07-22 23:25:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_irqs [2022-07-22 23:25:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_irqs [2022-07-22 23:25:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mr_table [2022-07-22 23:25:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mr_table [2022-07-22 23:25:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2022-07-22 23:25:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2022-07-22 23:25:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_GET [2022-07-22 23:25:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-22 23:25:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-22 23:25:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-22 23:25:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-22 23:25:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_notrans [2022-07-22 23:25:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_notrans [2022-07-22 23:25:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-07-22 23:25:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-07-22 23:25:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-22 23:25:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-22 23:25:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_put [2022-07-22 23:25:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_put [2022-07-22 23:25:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc [2022-07-22 23:25:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc [2022-07-22 23:25:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64 [2022-07-22 23:25:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64 [2022-07-22 23:25:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-22 23:25:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-22 23:25:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_imm [2022-07-22 23:25:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_imm [2022-07-22 23:25:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mcg_table [2022-07-22 23:25:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mcg_table [2022-07-22 23:25:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_qp_table [2022-07-22 23:25:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_qp_table [2022-07-22 23:25:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-22 23:25:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-22 23:25:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2022-07-22 23:25:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2022-07-22 23:25:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2022-07-22 23:25:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2022-07-22 23:25:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-22 23:25:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-22 23:25:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-22 23:25:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-22 23:25:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_INIT_HCA [2022-07-22 23:25:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_INIT_HCA [2022-07-22 23:25:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_hw_index_to_key [2022-07-22 23:25:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_hw_index_to_key [2022-07-22 23:25:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:25:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:25:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-22 23:25:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-22 23:25:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-22 23:25:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-22 23:25:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_cq_table [2022-07-22 23:25:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_cq_table [2022-07-22 23:25:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_cleanup [2022-07-22 23:25:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_cleanup [2022-07-22 23:25:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 23:25:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 23:25:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_close_hca [2022-07-22 23:25:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_close_hca [2022-07-22 23:25:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_EQ [2022-07-22 23:25:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_EQ [2022-07-22 23:25:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure down [2022-07-22 23:25:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2022-07-22 23:25:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-22 23:25:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-22 23:25:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAD_IFC [2022-07-22 23:25:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAD_IFC [2022-07-22 23:25:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_cmd [2022-07-22 23:25:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_cmd [2022-07-22 23:25:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-22 23:25:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-22 23:25:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:25:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-22 23:25:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-22 23:25:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_eq [2022-07-22 23:25:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_eq [2022-07-22 23:25:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_alloc [2022-07-22 23:25:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_alloc [2022-07-22 23:25:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mailbox [2022-07-22 23:25:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mailbox [2022-07-22 23:25:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-22 23:25:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-22 23:25:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-22 23:25:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-22 23:25:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-22 23:25:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_DISABLE_LAM [2022-07-22 23:25:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_DISABLE_LAM [2022-07-22 23:25:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-22 23:25:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-22 23:25:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-22 23:25:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-07-22 23:25:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-07-22 23:25:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_alloc [2022-07-22 23:25:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_alloc [2022-07-22 23:25:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-07-22 23:25:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-07-22 23:25:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-22 23:25:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-22 23:25:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_setup_hca [2022-07-22 23:25:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_setup_hca [2022-07-22 23:25:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:25:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:25:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc [2022-07-22 23:25:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc [2022-07-22 23:25:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CONF_SPECIAL_QP [2022-07-22 23:25:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CONF_SPECIAL_QP [2022-07-22 23:25:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_reg [2022-07-22 23:25:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_reg [2022-07-22 23:25:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_check_profile_val [2022-07-22 23:25:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_check_profile_val [2022-07-22 23:25:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2022-07-22 23:25:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2022-07-22 23:25:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_FA [2022-07-22 23:25:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_FA [2022-07-22 23:25:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_free [2022-07-22 23:25:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_free [2022-07-22 23:25:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-22 23:25:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-22 23:25:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt_size [2022-07-22 23:25:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt_size [2022-07-22 23:25:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure dma_get_cache_alignment [2022-07-22 23:25:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_get_cache_alignment [2022-07-22 23:25:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mr [2022-07-22 23:25:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mr [2022-07-22 23:25:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mailbox [2022-07-22 23:25:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mailbox [2022-07-22 23:25:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-22 23:25:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-22 23:25:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-22 23:25:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-22 23:25:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_dev_lim [2022-07-22 23:25:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_dev_lim [2022-07-22 23:25:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-07-22 23:25:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-07-22 23:25:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_hw_index_to_key [2022-07-22 23:25:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_hw_index_to_key [2022-07-22 23:25:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_QUERY_FW [2022-07-22 23:25:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_QUERY_FW [2022-07-22 23:25:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-07-22 23:25:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-07-22 23:25:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-22 23:25:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-22 23:25:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SYS_DIS [2022-07-22 23:25:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SYS_DIS [2022-07-22 23:25:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_init [2022-07-22 23:25:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_init [2022-07-22 23:25:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_box [2022-07-22 23:25:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_box [2022-07-22 23:25:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:25:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-07-22 23:25:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-07-22 23:25:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-22 23:25:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-22 23:25:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_make_profile [2022-07-22 23:25:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_make_profile [2022-07-22 23:25:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2022-07-22 23:25:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2022-07-22 23:25:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-22 23:25:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-22 23:25:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unregister_device [2022-07-22 23:25:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unregister_device [2022-07-22 23:25:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_key_to_hw_index [2022-07-22 23:25:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_key_to_hw_index [2022-07-22 23:25:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-22 23:25:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-22 23:25:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-22 23:25:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-22 23:25:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-22 23:25:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-22 23:25:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-22 23:25:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-22 23:25:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-22 23:25:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-22 23:25:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:25:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_find [2022-07-22 23:25:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_find [2022-07-22 23:25:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm [2022-07-22 23:25:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm [2022-07-22 23:25:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_size [2022-07-22 23:25:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_size [2022-07-22 23:25:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-22 23:25:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-22 23:25:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-22 23:25:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-22 23:25:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_srq_table [2022-07-22 23:25:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_srq_table [2022-07-22 23:25:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_poll [2022-07-22 23:25:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_poll [2022-07-22 23:25:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM_AUX [2022-07-22 23:25:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM_AUX [2022-07-22 23:25:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2022-07-22 23:25:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2022-07-22 23:25:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_wait [2022-07-22 23:25:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_wait [2022-07-22 23:25:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_phys [2022-07-22 23:25:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_phys [2022-07-22 23:25:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2022-07-22 23:25:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2022-07-22 23:25:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:25:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:25:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure get_eqe [2022-07-22 23:25:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eqe [2022-07-22 23:25:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure async_mask [2022-07-22 23:25:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mask [2022-07-22 23:25:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_init [2022-07-22 23:25:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_init [2022-07-22 23:25:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_free [2022-07-22 23:25:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_free [2022-07-22 23:25:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd [2022-07-22 23:25:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd [2022-07-22 23:25:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-22 23:25:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-22 23:25:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_get [2022-07-22 23:25:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_get [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_remove_one [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_remove_one [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_pd_table [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_pd_table [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure init_query_mad [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure init_query_mad [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_post [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_post [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_regs [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_regs [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_PUT [2022-07-22 23:25:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt [2022-07-22 23:25:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt [2022-07-22 23:25:34,205 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:25:34,208 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:26:05,584 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:26:05,614 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:26:05,614 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:26:05,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:26:05 BoogieIcfgContainer [2022-07-22 23:26:05,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:26:05,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:26:05,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:26:05,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:26:05,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:25:21" (1/3) ... [2022-07-22 23:26:05,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543a71f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:26:05, skipping insertion in model container [2022-07-22 23:26:05,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:31" (2/3) ... [2022-07-22 23:26:05,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543a71f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:26:05, skipping insertion in model container [2022-07-22 23:26:05,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:26:05" (3/3) ... [2022-07-22 23:26:05,642 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-07-22 23:26:05,652 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:26:05,652 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:26:05,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:26:05,765 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@20db9ef, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3b576709 [2022-07-22 23:26:05,765 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:26:05,779 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) [2022-07-22 23:26:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-22 23:26:05,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:26:05,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:26:05,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:26:05,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:26:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1106398898, now seen corresponding path program 1 times [2022-07-22 23:26:05,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:26:05,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922016985] [2022-07-22 23:26:05,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:26:05,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:26:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:26:06,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:26:06,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922016985] [2022-07-22 23:26:06,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922016985] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:26:06,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:26:06,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:26:06,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187772618] [2022-07-22 23:26:06,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:26:06,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:26:06,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:26:06,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:26:06,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:26:06,283 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) [2022-07-22 23:26:06,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:26:06,646 INFO L93 Difference]: Finished difference Result 10153 states and 15210 transitions. [2022-07-22 23:26:06,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:26:06,648 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 [2022-07-22 23:26:06,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:26:06,681 INFO L225 Difference]: With dead ends: 10153 [2022-07-22 23:26:06,681 INFO L226 Difference]: Without dead ends: 5113 [2022-07-22 23:26:06,713 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 [2022-07-22 23:26:06,715 INFO L413 NwaCegarLoop]: 7333 mSDtfsCounter, 198 mSDsluCounter, 7306 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 14639 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:26:06,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 14639 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 23:26:06,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2022-07-22 23:26:06,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 5083. [2022-07-22 23:26:06,918 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) [2022-07-22 23:26:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7438 transitions. [2022-07-22 23:26:06,954 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7438 transitions. Word has length 18 [2022-07-22 23:26:06,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:26:06,955 INFO L495 AbstractCegarLoop]: Abstraction has 5083 states and 7438 transitions. [2022-07-22 23:26:06,955 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) [2022-07-22 23:26:06,956 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7438 transitions. [2022-07-22 23:26:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-22 23:26:06,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:26:06,959 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] [2022-07-22 23:26:06,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 23:26:06,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:26:06,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:26:06,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1003916877, now seen corresponding path program 1 times [2022-07-22 23:26:06,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:26:06,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174103457] [2022-07-22 23:26:06,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:26:06,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:26:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 23:26:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:26:07,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:26:07,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174103457] [2022-07-22 23:26:07,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174103457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:26:07,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:26:07,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:26:07,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002170574] [2022-07-22 23:26:07,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:26:07,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:26:07,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:26:07,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:26:07,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:26:07,207 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) [2022-07-22 23:26:07,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:26:07,520 INFO L93 Difference]: Finished difference Result 15129 states and 22144 transitions. [2022-07-22 23:26:07,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:26:07,521 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 [2022-07-22 23:26:07,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:26:07,580 INFO L225 Difference]: With dead ends: 15129 [2022-07-22 23:26:07,581 INFO L226 Difference]: Without dead ends: 10049 [2022-07-22 23:26:07,600 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 [2022-07-22 23:26:07,602 INFO L413 NwaCegarLoop]: 14353 mSDtfsCounter, 7221 mSDsluCounter, 7216 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7221 SdHoareTripleChecker+Valid, 21569 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:26:07,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7221 Valid, 21569 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 23:26:07,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10049 states. [2022-07-22 23:26:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10049 to 10035. [2022-07-22 23:26:07,882 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) [2022-07-22 23:26:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10035 states to 10035 states and 14690 transitions. [2022-07-22 23:26:08,120 INFO L78 Accepts]: Start accepts. Automaton has 10035 states and 14690 transitions. Word has length 21 [2022-07-22 23:26:08,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:26:08,120 INFO L495 AbstractCegarLoop]: Abstraction has 10035 states and 14690 transitions. [2022-07-22 23:26:08,120 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) [2022-07-22 23:26:08,120 INFO L276 IsEmpty]: Start isEmpty. Operand 10035 states and 14690 transitions. [2022-07-22 23:26:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-22 23:26:08,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:26:08,122 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] [2022-07-22 23:26:08,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 23:26:08,123 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:26:08,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:26:08,131 INFO L85 PathProgramCache]: Analyzing trace with hash -172954937, now seen corresponding path program 1 times [2022-07-22 23:26:08,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:26:08,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178543203] [2022-07-22 23:26:08,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:26:08,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:26:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 23:26:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 23:26:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 23:26:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 23:26:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 23:26:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 23:26:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:26:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 23:26:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 23:26:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 23:26:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 23:26:08,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:26:08,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178543203] [2022-07-22 23:26:08,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178543203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:26:08,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:26:08,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:26:08,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360134711] [2022-07-22 23:26:08,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:26:08,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:26:08,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:26:08,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:26:08,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:26:08,593 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) [2022-07-22 23:26:11,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:13,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:16,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:20,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:24,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:28,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-22 23:26:30,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:37,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:40,385 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 [] [2022-07-22 23:26:40,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:26:40,525 INFO L93 Difference]: Finished difference Result 22186 states and 32442 transitions. [2022-07-22 23:26:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:26:40,526 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 [2022-07-22 23:26:40,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:26:40,591 INFO L225 Difference]: With dead ends: 22186 [2022-07-22 23:26:40,592 INFO L226 Difference]: Without dead ends: 12154 [2022-07-22 23:26:40,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:26:40,633 INFO L413 NwaCegarLoop]: 7016 mSDtfsCounter, 7652 mSDsluCounter, 3527 mSDsCounter, 0 mSdLazyCounter, 3343 mSolverCounterSat, 2392 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8583 SdHoareTripleChecker+Valid, 10543 SdHoareTripleChecker+Invalid, 5743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2392 IncrementalHoareTripleChecker+Valid, 3343 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2022-07-22 23:26:40,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8583 Valid, 10543 Invalid, 5743 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2392 Valid, 3343 Invalid, 8 Unknown, 0 Unchecked, 31.2s Time] [2022-07-22 23:26:40,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12154 states. [2022-07-22 23:26:41,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12154 to 11200. [2022-07-22 23:26:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11200 states, 7972 states have (on average 1.3563723030607124) internal successors, (10813), 8104 states have internal predecessors, (10813), 2677 states have call successors, (2677), 551 states have call predecessors, (2677), 550 states have return successors, (2658), 2656 states have call predecessors, (2658), 2658 states have call successors, (2658) [2022-07-22 23:26:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11200 states to 11200 states and 16148 transitions. [2022-07-22 23:26:41,092 INFO L78 Accepts]: Start accepts. Automaton has 11200 states and 16148 transitions. Word has length 91 [2022-07-22 23:26:41,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:26:41,093 INFO L495 AbstractCegarLoop]: Abstraction has 11200 states and 16148 transitions. [2022-07-22 23:26:41,093 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) [2022-07-22 23:26:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 11200 states and 16148 transitions. [2022-07-22 23:26:41,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-22 23:26:41,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:26:41,100 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] [2022-07-22 23:26:41,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 23:26:41,100 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:26:41,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:26:41,101 INFO L85 PathProgramCache]: Analyzing trace with hash 45899781, now seen corresponding path program 1 times [2022-07-22 23:26:41,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:26:41,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169530608] [2022-07-22 23:26:41,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:26:41,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:26:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 23:26:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 23:26:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 23:26:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 23:26:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 23:26:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 23:26:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:26:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 23:26:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 23:26:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 23:26:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:26:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 23:26:41,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:26:41,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169530608] [2022-07-22 23:26:41,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169530608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:26:41,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:26:41,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:26:41,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050838469] [2022-07-22 23:26:41,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:26:41,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:26:41,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:26:41,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:26:41,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:26:41,479 INFO L87 Difference]: Start difference. First operand 11200 states and 16148 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-22 23:26:44,783 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 [] [2022-07-22 23:26:46,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:49,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:54,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:26:59,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:03,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-22 23:27:05,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:10,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:27:10,573 INFO L93 Difference]: Finished difference Result 12366 states and 18014 transitions. [2022-07-22 23:27:10,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:27:10,575 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 [2022-07-22 23:27:10,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:27:10,623 INFO L225 Difference]: With dead ends: 12366 [2022-07-22 23:27:10,623 INFO L226 Difference]: Without dead ends: 12337 [2022-07-22 23:27:10,631 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 [2022-07-22 23:27:10,632 INFO L413 NwaCegarLoop]: 7064 mSDtfsCounter, 7799 mSDsluCounter, 3516 mSDsCounter, 0 mSdLazyCounter, 3284 mSolverCounterSat, 2450 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8731 SdHoareTripleChecker+Valid, 10580 SdHoareTripleChecker+Invalid, 5741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2450 IncrementalHoareTripleChecker+Valid, 3284 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:27:10,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8731 Valid, 10580 Invalid, 5741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2450 Valid, 3284 Invalid, 7 Unknown, 0 Unchecked, 28.4s Time] [2022-07-22 23:27:10,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12337 states. [2022-07-22 23:27:10,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12337 to 11288. [2022-07-22 23:27:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11288 states, 8034 states have (on average 1.3544934030370923) internal successors, (10882), 8166 states have internal predecessors, (10882), 2683 states have call successors, (2683), 571 states have call predecessors, (2683), 570 states have return successors, (2664), 2662 states have call predecessors, (2664), 2664 states have call successors, (2664) [2022-07-22 23:27:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11288 states to 11288 states and 16229 transitions. [2022-07-22 23:27:11,029 INFO L78 Accepts]: Start accepts. Automaton has 11288 states and 16229 transitions. Word has length 91 [2022-07-22 23:27:11,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:27:11,029 INFO L495 AbstractCegarLoop]: Abstraction has 11288 states and 16229 transitions. [2022-07-22 23:27:11,030 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) [2022-07-22 23:27:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 11288 states and 16229 transitions. [2022-07-22 23:27:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-22 23:27:11,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:27:11,033 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] [2022-07-22 23:27:11,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 23:27:11,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:27:11,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:27:11,034 INFO L85 PathProgramCache]: Analyzing trace with hash 103158083, now seen corresponding path program 1 times [2022-07-22 23:27:11,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:27:11,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160415624] [2022-07-22 23:27:11,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:27:11,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:27:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 23:27:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 23:27:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 23:27:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 23:27:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 23:27:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 23:27:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:27:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 23:27:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 23:27:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 23:27:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 23:27:11,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:27:11,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160415624] [2022-07-22 23:27:11,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160415624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:27:11,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:27:11,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:27:11,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728937922] [2022-07-22 23:27:11,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:27:11,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:27:11,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:27:11,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:27:11,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:27:11,419 INFO L87 Difference]: Start difference. First operand 11288 states and 16229 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) [2022-07-22 23:27:14,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:16,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:20,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:26,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-22 23:27:28,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:36,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:36,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:27:36,160 INFO L93 Difference]: Finished difference Result 12330 states and 17962 transitions. [2022-07-22 23:27:36,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:27:36,162 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 [2022-07-22 23:27:36,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:27:36,208 INFO L225 Difference]: With dead ends: 12330 [2022-07-22 23:27:36,208 INFO L226 Difference]: Without dead ends: 12327 [2022-07-22 23:27:36,217 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 [2022-07-22 23:27:36,218 INFO L413 NwaCegarLoop]: 6883 mSDtfsCounter, 7514 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 2641 mSolverCounterSat, 2355 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8343 SdHoareTripleChecker+Valid, 10056 SdHoareTripleChecker+Invalid, 5002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2355 IncrementalHoareTripleChecker+Valid, 2641 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-07-22 23:27:36,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8343 Valid, 10056 Invalid, 5002 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2355 Valid, 2641 Invalid, 6 Unknown, 0 Unchecked, 24.2s Time] [2022-07-22 23:27:36,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12327 states. [2022-07-22 23:27:36,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12327 to 11299. [2022-07-22 23:27:36,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11299 states, 8042 states have (on average 1.3540164138274062) internal successors, (10889), 8173 states have internal predecessors, (10889), 2682 states have call successors, (2682), 575 states have call predecessors, (2682), 574 states have return successors, (2664), 2662 states have call predecessors, (2664), 2664 states have call successors, (2664) [2022-07-22 23:27:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11299 states to 11299 states and 16235 transitions. [2022-07-22 23:27:36,627 INFO L78 Accepts]: Start accepts. Automaton has 11299 states and 16235 transitions. Word has length 91 [2022-07-22 23:27:36,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:27:36,628 INFO L495 AbstractCegarLoop]: Abstraction has 11299 states and 16235 transitions. [2022-07-22 23:27:36,628 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) [2022-07-22 23:27:36,628 INFO L276 IsEmpty]: Start isEmpty. Operand 11299 states and 16235 transitions. [2022-07-22 23:27:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-22 23:27:36,632 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:27:36,632 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] [2022-07-22 23:27:36,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 23:27:36,632 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:27:36,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:27:36,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1099147578, now seen corresponding path program 1 times [2022-07-22 23:27:36,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:27:36,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553626121] [2022-07-22 23:27:36,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:27:36,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:27:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 23:27:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 23:27:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 23:27:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 23:27:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 23:27:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 23:27:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:27:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 23:27:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 23:27:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 23:27:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 23:27:36,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:27:36,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553626121] [2022-07-22 23:27:36,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553626121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:27:36,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:27:36,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:27:36,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989270626] [2022-07-22 23:27:36,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:27:36,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:27:36,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:27:36,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:27:36,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:27:36,951 INFO L87 Difference]: Start difference. First operand 11299 states and 16235 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) [2022-07-22 23:27:39,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:42,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:45,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:27:51,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-22 23:27:57,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:27:57,012 INFO L93 Difference]: Finished difference Result 12329 states and 17960 transitions. [2022-07-22 23:27:57,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:27:57,013 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 [2022-07-22 23:27:57,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:27:57,052 INFO L225 Difference]: With dead ends: 12329 [2022-07-22 23:27:57,052 INFO L226 Difference]: Without dead ends: 12326 [2022-07-22 23:27:57,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:27:57,060 INFO L413 NwaCegarLoop]: 6859 mSDtfsCounter, 7527 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 2641 mSolverCounterSat, 2362 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8358 SdHoareTripleChecker+Valid, 10029 SdHoareTripleChecker+Invalid, 5007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2362 IncrementalHoareTripleChecker+Valid, 2641 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-07-22 23:27:57,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8358 Valid, 10029 Invalid, 5007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2362 Valid, 2641 Invalid, 4 Unknown, 0 Unchecked, 19.6s Time] [2022-07-22 23:27:57,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12326 states. [2022-07-22 23:27:57,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12326 to 11298. [2022-07-22 23:27:57,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11298 states, 8042 states have (on average 1.353892066650087) internal successors, (10888), 8172 states have internal predecessors, (10888), 2681 states have call successors, (2681), 575 states have call predecessors, (2681), 574 states have return successors, (2664), 2662 states have call predecessors, (2664), 2664 states have call successors, (2664) [2022-07-22 23:27:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11298 states to 11298 states and 16233 transitions. [2022-07-22 23:27:57,440 INFO L78 Accepts]: Start accepts. Automaton has 11298 states and 16233 transitions. Word has length 92 [2022-07-22 23:27:57,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:27:57,441 INFO L495 AbstractCegarLoop]: Abstraction has 11298 states and 16233 transitions. [2022-07-22 23:27:57,441 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) [2022-07-22 23:27:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 11298 states and 16233 transitions. [2022-07-22 23:27:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-22 23:27:57,442 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:27:57,442 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] [2022-07-22 23:27:57,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 23:27:57,442 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:27:57,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:27:57,443 INFO L85 PathProgramCache]: Analyzing trace with hash 284087462, now seen corresponding path program 1 times [2022-07-22 23:27:57,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:27:57,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988437891] [2022-07-22 23:27:57,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:27:57,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:27:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 23:27:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 23:27:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 23:27:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 23:27:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 23:27:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 23:27:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:27:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 23:27:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 23:27:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 23:27:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:27:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 23:27:57,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:27:57,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988437891] [2022-07-22 23:27:57,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988437891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:27:57,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:27:57,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:27:57,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539095186] [2022-07-22 23:27:57,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:27:57,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:27:57,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:27:57,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:27:57,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:27:57,784 INFO L87 Difference]: Start difference. First operand 11298 states and 16233 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) [2022-07-22 23:28:01,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:03,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:06,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:10,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:15,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-22 23:28:17,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:25,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:28,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:34,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:28:34,506 INFO L93 Difference]: Finished difference Result 18140 states and 26256 transitions. [2022-07-22 23:28:34,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:28:34,507 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 [2022-07-22 23:28:34,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:28:34,564 INFO L225 Difference]: With dead ends: 18140 [2022-07-22 23:28:34,565 INFO L226 Difference]: Without dead ends: 18136 [2022-07-22 23:28:34,572 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 [2022-07-22 23:28:34,573 INFO L413 NwaCegarLoop]: 7528 mSDtfsCounter, 8295 mSDsluCounter, 5736 mSDsCounter, 0 mSdLazyCounter, 4717 mSolverCounterSat, 2857 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9308 SdHoareTripleChecker+Valid, 13264 SdHoareTripleChecker+Invalid, 7582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2857 IncrementalHoareTripleChecker+Valid, 4717 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:28:34,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9308 Valid, 13264 Invalid, 7582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2857 Valid, 4717 Invalid, 8 Unknown, 0 Unchecked, 35.9s Time] [2022-07-22 23:28:34,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18136 states. [2022-07-22 23:28:35,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18136 to 17016. [2022-07-22 23:28:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17016 states, 12036 states have (on average 1.3384845463609172) internal successors, (16110), 12312 states have internal predecessors, (16110), 3977 states have call successors, (3977), 977 states have call predecessors, (3977), 1002 states have return successors, (4266), 3894 states have call predecessors, (4266), 3960 states have call successors, (4266) [2022-07-22 23:28:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17016 states to 17016 states and 24353 transitions. [2022-07-22 23:28:35,106 INFO L78 Accepts]: Start accepts. Automaton has 17016 states and 24353 transitions. Word has length 93 [2022-07-22 23:28:35,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:28:35,106 INFO L495 AbstractCegarLoop]: Abstraction has 17016 states and 24353 transitions. [2022-07-22 23:28:35,106 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) [2022-07-22 23:28:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 17016 states and 24353 transitions. [2022-07-22 23:28:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-22 23:28:35,107 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:28:35,107 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] [2022-07-22 23:28:35,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 23:28:35,108 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:28:35,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:28:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash 214705609, now seen corresponding path program 1 times [2022-07-22 23:28:35,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:28:35,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933604017] [2022-07-22 23:28:35,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:28:35,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:28:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 23:28:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 23:28:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 23:28:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 23:28:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 23:28:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 23:28:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:28:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 23:28:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 23:28:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 23:28:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 23:28:35,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:28:35,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933604017] [2022-07-22 23:28:35,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933604017] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:28:35,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:28:35,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:28:35,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176092357] [2022-07-22 23:28:35,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:28:35,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:28:35,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:28:35,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:28:35,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:28:35,415 INFO L87 Difference]: Start difference. First operand 17016 states and 24353 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-22 23:28:38,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:40,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:43,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:47,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:28:53,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-22 23:28:55,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:29:03,344 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 [] [2022-07-22 23:29:03,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:29:03,593 INFO L93 Difference]: Finished difference Result 18200 states and 26325 transitions. [2022-07-22 23:29:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:29:03,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 94 [2022-07-22 23:29:03,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:29:03,655 INFO L225 Difference]: With dead ends: 18200 [2022-07-22 23:29:03,655 INFO L226 Difference]: Without dead ends: 18197 [2022-07-22 23:29:03,668 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 [2022-07-22 23:29:03,669 INFO L413 NwaCegarLoop]: 6958 mSDtfsCounter, 7793 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 3271 mSolverCounterSat, 2478 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8722 SdHoareTripleChecker+Valid, 10398 SdHoareTripleChecker+Invalid, 5756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2478 IncrementalHoareTripleChecker+Valid, 3271 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:29:03,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8722 Valid, 10398 Invalid, 5756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2478 Valid, 3271 Invalid, 7 Unknown, 0 Unchecked, 27.4s Time] [2022-07-22 23:29:03,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18197 states. [2022-07-22 23:29:04,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18197 to 17087. [2022-07-22 23:29:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17087 states, 12088 states have (on average 1.3377729980145598) internal successors, (16171), 12365 states have internal predecessors, (16171), 3994 states have call successors, (3994), 977 states have call predecessors, (3994), 1004 states have return successors, (4288), 3912 states have call predecessors, (4288), 3978 states have call successors, (4288) [2022-07-22 23:29:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17087 states to 17087 states and 24453 transitions. [2022-07-22 23:29:04,308 INFO L78 Accepts]: Start accepts. Automaton has 17087 states and 24453 transitions. Word has length 94 [2022-07-22 23:29:04,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:29:04,308 INFO L495 AbstractCegarLoop]: Abstraction has 17087 states and 24453 transitions. [2022-07-22 23:29:04,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-22 23:29:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 17087 states and 24453 transitions. [2022-07-22 23:29:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-22 23:29:04,309 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:29:04,309 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:29:04,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 23:29:04,309 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:29:04,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:29:04,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1936126967, now seen corresponding path program 1 times [2022-07-22 23:29:04,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:29:04,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029884082] [2022-07-22 23:29:04,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:29:04,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:29:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 23:29:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 23:29:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 23:29:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 23:29:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 23:29:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 23:29:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:29:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 23:29:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-22 23:29:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 23:29:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-22 23:29:04,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:29:04,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029884082] [2022-07-22 23:29:04,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029884082] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:29:04,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:29:04,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:29:04,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960155503] [2022-07-22 23:29:04,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:29:04,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:29:04,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:29:04,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:29:04,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:29:04,570 INFO L87 Difference]: Start difference. First operand 17087 states and 24453 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-22 23:29:07,371 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 [] [2022-07-22 23:29:10,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:29:12,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:29:15,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:29:19,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:29:24,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:29:27,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-22 23:29:29,206 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 []