./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.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 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:41:21,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:41:21,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:41:21,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:41:21,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:41:21,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:41:21,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:41:21,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:41:21,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:41:21,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:41:21,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:41:21,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:41:21,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:41:21,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:41:21,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:41:21,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:41:21,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:41:21,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:41:21,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:41:21,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:41:21,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:41:21,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:41:21,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:41:21,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:41:21,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:41:21,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:41:21,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:41:21,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:41:21,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:41:21,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:41:21,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:41:21,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:41:21,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:41:21,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:41:21,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:41:21,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:41:21,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:41:21,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:41:21,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:41:21,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:41:21,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:41:21,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:41:21,564 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:41:21,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:41:21,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:41:21,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:41:21,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:41:21,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:41:21,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:41:21,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:41:21,569 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:41:21,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:41:21,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:41:21,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:41:21,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:41:21,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:41:21,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:41:21,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:41:21,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:41:21,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:41:21,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:41:21,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:41:21,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:41:21,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:41:21,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:41:21,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:41:21,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:41:21,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:41:21,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:41:21,572 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:41:21,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:41:21,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:41:21,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:41:21,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 [2021-12-22 14:41:21,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:41:21,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:41:21,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:41:21,806 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:41:21,807 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:41:21,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2021-12-22 14:41:21,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faef975b3/0dc3832fd294463bbb74482abbe7e236/FLAG63da57925 [2021-12-22 14:41:22,453 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:41:22,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2021-12-22 14:41:22,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faef975b3/0dc3832fd294463bbb74482abbe7e236/FLAG63da57925 [2021-12-22 14:41:22,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faef975b3/0dc3832fd294463bbb74482abbe7e236 [2021-12-22 14:41:22,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:41:22,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:41:22,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:41:22,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:41:22,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:41:22,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:41:22" (1/1) ... [2021-12-22 14:41:22,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d548745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:22, skipping insertion in model container [2021-12-22 14:41:22,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:41:22" (1/1) ... [2021-12-22 14:41:22,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:41:22,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:41:23,094 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2021-12-22 14:41:23,095 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2021-12-22 14:41:23,585 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2021-12-22 14:41:25,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:41:25,102 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:41:25,160 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2021-12-22 14:41:25,162 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2021-12-22 14:41:25,171 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2021-12-22 14:41:25,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:41:25,538 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:41:25,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25 WrapperNode [2021-12-22 14:41:25,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:41:25,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:41:25,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:41:25,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:41:25,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:25,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:25,888 INFO L137 Inliner]: procedures = 362, calls = 6469, calls flagged for inlining = 182, calls inlined = 134, statements flattened = 9215 [2021-12-22 14:41:25,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:41:25,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:41:25,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:41:25,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:41:25,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:25,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:25,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:25,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:26,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:26,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:26,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:26,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:41:26,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:41:26,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:41:26,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:41:26,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (1/1) ... [2021-12-22 14:41:26,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:41:26,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:41:26,201 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) [2021-12-22 14:41:26,229 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 [2021-12-22 14:41:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 14:41:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 14:41:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2021-12-22 14:41:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2021-12-22 14:41:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting [2021-12-22 14:41:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting [2021-12-22 14:41:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 14:41:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:41:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:41:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str [2021-12-22 14:41:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str [2021-12-22 14:41:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 14:41:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 14:41:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:41:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:41:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure skd_quiesce_dev [2021-12-22 14:41:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev [2021-12-22 14:41:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-22 14:41:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-22 14:41:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:41:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:41:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 14:41:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 14:41:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:41:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:41:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure skd_cons_sg_list [2021-12-22 14:41:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list [2021-12-22 14:41:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_device [2021-12-22 14:41:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_device [2021-12-22 14:41:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-22 14:41:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-22 14:41:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:41:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:41:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure skd_postop_sg_list [2021-12-22 14:41:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list [2021-12-22 14:41:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:41:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:41:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2021-12-22 14:41:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2021-12-22 14:41:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skreq [2021-12-22 14:41:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skreq [2021-12-22 14:41:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-12-22 14:41:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-12-22 14:41:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-12-22 14:41:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-12-22 14:41:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:41:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:41:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure skd_disable_interrupts [2021-12-22 14:41:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts [2021-12-22 14:41:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:41:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:41:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 14:41:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 14:41:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 14:41:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 14:41:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_remove [2021-12-22 14:41:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_remove [2021-12-22 14:41:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_fault [2021-12-22 14:41:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_fault [2021-12-22 14:41:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_fwstate [2021-12-22 14:41:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate [2021-12-22 14:41:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-22 14:41:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-22 14:41:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2021-12-22 14:41:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2021-12-22 14:41:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:41:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:41:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:41:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_disappeared [2021-12-22 14:41:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared [2021-12-22 14:41:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer [2021-12-22 14:41:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer [2021-12-22 14:41:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 14:41:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 14:41:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-22 14:41:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-22 14:41:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:41:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:41:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:41:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write64 [2021-12-22 14:41:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write64 [2021-12-22 14:41:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 14:41:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 14:41:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-22 14:41:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-22 14:41:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:41:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:41:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-12-22 14:41:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-12-22 14:41:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:41:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 14:41:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 14:41:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:41:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 14:41:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 14:41:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-22 14:41:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-12-22 14:41:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-12-22 14:41:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:41:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:41:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure skd_soft_reset [2021-12-22 14:41:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_soft_reset [2021-12-22 14:41:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_timer [2021-12-22 14:41:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_timer [2021-12-22 14:41:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write32 [2021-12-22 14:41:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write32 [2021-12-22 14:41:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-22 14:41:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-22 14:41:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-12-22 14:41:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-12-22 14:41:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:41:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:41:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:41:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 14:41:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 14:41:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure blk_requeue_request [2021-12-22 14:41:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_requeue_request [2021-12-22 14:41:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:41:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:41:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-22 14:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-22 14:41:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:41:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-22 14:41:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-22 14:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure skd_restart_device [2021-12-22 14:41:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_restart_device [2021-12-22 14:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-22 14:41:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-22 14:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:41:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:41:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_read32 [2021-12-22 14:41:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_read32 [2021-12-22 14:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 14:41:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 14:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-22 14:41:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-22 14:41:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-22 14:41:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-22 14:41:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-22 14:41:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-22 14:41:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2021-12-22 14:41:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2021-12-22 14:41:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:41:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:41:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 14:41:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 14:41:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:41:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:41:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:41:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_special [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_special [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_irq [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_irq [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure skd_free_sg_list [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_free_sg_list [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure skd_destruct [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_destruct [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:41:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg [2021-12-22 14:41:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure skd_name [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_name [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_msix [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_msix [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure skd_end_request [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_end_request [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure skd_recover_requests [2021-12-22 14:41:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_recover_requests [2021-12-22 14:41:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_shutdown [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure skd_stop_device [2021-12-22 14:41:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_stop_device [2021-12-22 14:41:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure skd_acquire_irq [2021-12-22 14:41:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_acquire_irq [2021-12-22 14:41:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 14:41:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 14:41:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:41:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:41:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-12-22 14:41:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-12-22 14:41:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2021-12-22 14:41:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2021-12-22 14:41:27,030 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:41:27,032 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:41:27,228 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:41:27,355 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume __copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-12-22 14:41:27,355 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 4 == __copy_to_user_nocheck_~size#1; [2021-12-22 14:41:27,356 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467: SUMMARY for call __copy_to_user_nocheck_#t~ret286#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2021-12-22 14:41:27,356 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret286#1 && __copy_to_user_nocheck_#t~ret286#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7#1 := __copy_to_user_nocheck_#t~ret286#1;havoc __copy_to_user_nocheck_#t~ret286#1; [2021-12-22 14:41:27,356 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455: SUMMARY for call __copy_to_user_nocheck_#t~ret285#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2021-12-22 14:41:27,356 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret285#1 && __copy_to_user_nocheck_#t~ret285#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11#1 := __copy_to_user_nocheck_#t~ret285#1;havoc __copy_to_user_nocheck_#t~ret285#1; [2021-12-22 14:41:27,356 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-12-22 14:41:27,356 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 2 == __copy_to_user_nocheck_~size#1; [2021-12-22 14:41:27,356 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume __copy_to_user_nocheck_#t~switch284#1; [2021-12-22 14:41:27,356 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume !__copy_to_user_nocheck_#t~switch284#1; [2021-12-22 14:41:27,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435: havoc __copy_to_user_nocheck_#t~switch284#1; [2021-12-22 14:41:27,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume 0 != __copy_to_user_nocheck_~tmp___1~7#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-12-22 14:41:27,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume !(0 != __copy_to_user_nocheck_~tmp___1~7#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-12-22 14:41:27,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume __copy_to_user_nocheck_#t~switch284#1; [2021-12-22 14:41:27,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := true; [2021-12-22 14:41:27,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume 0 != __copy_to_user_nocheck_~tmp___0~11#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-12-22 14:41:27,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume !(0 != __copy_to_user_nocheck_~tmp___0~11#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-12-22 14:41:27,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume __copy_to_user_nocheck_#t~switch284#1; [2021-12-22 14:41:27,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 16 == __copy_to_user_nocheck_~size#1; [2021-12-22 14:41:27,358 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume __copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-12-22 14:41:27,358 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 10 == __copy_to_user_nocheck_~size#1; [2021-12-22 14:41:27,358 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477: SUMMARY for call __copy_to_user_nocheck_#t~ret287#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2021-12-22 14:41:27,358 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume __copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-12-22 14:41:27,358 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 8 == __copy_to_user_nocheck_~size#1; [2021-12-22 14:41:27,358 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477-1: __copy_to_user_nocheck_~tmp___2~3#1 := __copy_to_user_nocheck_#t~ret287#1;havoc __copy_to_user_nocheck_#t~ret287#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-22 14:41:29,139 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362: havoc __copy_from_user_nocheck_#t~switch278#1; [2021-12-22 14:41:29,139 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387: SUMMARY for call __copy_from_user_nocheck_#t~ret279#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-22 14:41:29,139 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret279#1 && __copy_from_user_nocheck_#t~ret279#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10#1 := __copy_from_user_nocheck_#t~ret279#1;havoc __copy_from_user_nocheck_#t~ret279#1; [2021-12-22 14:41:29,139 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume __copy_from_user_nocheck_#t~switch278#1; [2021-12-22 14:41:29,140 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 16 == __copy_from_user_nocheck_~size#1; [2021-12-22 14:41:29,140 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret280#1 && __copy_from_user_nocheck_#t~ret280#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6#1 := __copy_from_user_nocheck_#t~ret280#1;havoc __copy_from_user_nocheck_#t~ret280#1; [2021-12-22 14:41:29,140 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400: SUMMARY for call __copy_from_user_nocheck_#t~ret280#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-22 14:41:29,140 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume __copy_from_user_nocheck_#t~switch278#1; [2021-12-22 14:41:29,140 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := true; [2021-12-22 14:41:29,140 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume 0 != __copy_from_user_nocheck_~tmp___0~10#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-12-22 14:41:29,140 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume !(0 != __copy_from_user_nocheck_~tmp___0~10#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-12-22 14:41:29,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume __copy_from_user_nocheck_#t~switch278#1; [2021-12-22 14:41:29,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume !__copy_from_user_nocheck_#t~switch278#1; [2021-12-22 14:41:29,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume 0 != __copy_from_user_nocheck_~tmp___1~6#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-12-22 14:41:29,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume !(0 != __copy_from_user_nocheck_~tmp___1~6#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-12-22 14:41:29,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume __copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-12-22 14:41:29,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 4 == __copy_from_user_nocheck_~size#1; [2021-12-22 14:41:29,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-12-22 14:41:29,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410: SUMMARY for call __copy_from_user_nocheck_#t~ret281#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2021-12-22 14:41:29,142 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 2 == __copy_from_user_nocheck_~size#1; [2021-12-22 14:41:29,142 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410-1: __copy_from_user_nocheck_~tmp___2~2#1 := __copy_from_user_nocheck_#t~ret281#1;havoc __copy_from_user_nocheck_#t~ret281#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-22 14:41:29,142 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume __copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-12-22 14:41:29,142 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 8 == __copy_from_user_nocheck_~size#1; [2021-12-22 14:41:29,142 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume __copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-12-22 14:41:29,142 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 10 == __copy_from_user_nocheck_~size#1; [2021-12-22 14:41:33,668 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:41:33,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:41:33,681 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 14:41:33,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:41:33 BoogieIcfgContainer [2021-12-22 14:41:33,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:41:33,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:41:33,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:41:33,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:41:33,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:41:22" (1/3) ... [2021-12-22 14:41:33,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae9a72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:41:33, skipping insertion in model container [2021-12-22 14:41:33,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:25" (2/3) ... [2021-12-22 14:41:33,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae9a72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:41:33, skipping insertion in model container [2021-12-22 14:41:33,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:41:33" (3/3) ... [2021-12-22 14:41:33,690 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2021-12-22 14:41:33,693 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:41:33,694 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:41:33,730 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:41:33,734 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:41:33,735 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:41:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 2309 states, 1684 states have (on average 1.3640142517814726) internal successors, (2297), 1728 states have internal predecessors, (2297), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511) [2021-12-22 14:41:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-22 14:41:33,783 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:33,784 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:41:33,784 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:33,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:33,788 INFO L85 PathProgramCache]: Analyzing trace with hash 799047285, now seen corresponding path program 1 times [2021-12-22 14:41:33,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:33,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803595056] [2021-12-22 14:41:33,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:33,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:41:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 14:41:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:41:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 14:41:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-22 14:41:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-22 14:41:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 14:41:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 14:41:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 14:41:34,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:34,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803595056] [2021-12-22 14:41:34,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803595056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:34,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:34,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:41:34,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555702229] [2021-12-22 14:41:34,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:34,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:41:34,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:34,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:41:34,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:41:34,458 INFO L87 Difference]: Start difference. First operand has 2309 states, 1684 states have (on average 1.3640142517814726) internal successors, (2297), 1728 states have internal predecessors, (2297), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:41:36,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:43,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:41:43,808 INFO L93 Difference]: Finished difference Result 6204 states and 9077 transitions. [2021-12-22 14:41:43,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:41:43,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2021-12-22 14:41:43,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:41:43,880 INFO L225 Difference]: With dead ends: 6204 [2021-12-22 14:41:43,880 INFO L226 Difference]: Without dead ends: 3855 [2021-12-22 14:41:43,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:41:43,897 INFO L933 BasicCegarLoop]: 3489 mSDtfsCounter, 3383 mSDsluCounter, 5649 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 1903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3585 SdHoareTripleChecker+Valid, 9138 SdHoareTripleChecker+Invalid, 5242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1903 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-22 14:41:43,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3585 Valid, 9138 Invalid, 5242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1903 Valid, 3339 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-12-22 14:41:43,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2021-12-22 14:41:44,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 3536. [2021-12-22 14:41:44,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 2610 states have (on average 1.3689655172413793) internal successors, (3573), 2669 states have internal predecessors, (3573), 749 states have call successors, (749), 177 states have call predecessors, (749), 176 states have return successors, (748), 726 states have call predecessors, (748), 748 states have call successors, (748) [2021-12-22 14:41:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 5070 transitions. [2021-12-22 14:41:44,132 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 5070 transitions. Word has length 78 [2021-12-22 14:41:44,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:41:44,133 INFO L470 AbstractCegarLoop]: Abstraction has 3536 states and 5070 transitions. [2021-12-22 14:41:44,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:41:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 5070 transitions. [2021-12-22 14:41:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-22 14:41:44,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:44,146 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:41:44,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:41:44,146 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:44,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:44,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1465883832, now seen corresponding path program 1 times [2021-12-22 14:41:44,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:44,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10655146] [2021-12-22 14:41:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:44,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:41:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 14:41:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:41:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:41:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-22 14:41:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 14:41:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:41:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 14:41:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 14:41:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-22 14:41:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 14:41:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-22 14:41:44,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:44,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10655146] [2021-12-22 14:41:44,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10655146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:44,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:44,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:41:44,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551463166] [2021-12-22 14:41:44,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:44,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:41:44,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:44,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:41:44,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:41:44,579 INFO L87 Difference]: Start difference. First operand 3536 states and 5070 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 14:41:46,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:48,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:42:01,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:42:01,672 INFO L93 Difference]: Finished difference Result 10245 states and 14911 transitions. [2021-12-22 14:42:01,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 14:42:01,673 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2021-12-22 14:42:01,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:42:01,703 INFO L225 Difference]: With dead ends: 10245 [2021-12-22 14:42:01,704 INFO L226 Difference]: Without dead ends: 6728 [2021-12-22 14:42:01,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:42:01,717 INFO L933 BasicCegarLoop]: 4035 mSDtfsCounter, 5440 mSDsluCounter, 5858 mSDsCounter, 0 mSdLazyCounter, 6731 mSolverCounterSat, 3542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5860 SdHoareTripleChecker+Valid, 9893 SdHoareTripleChecker+Invalid, 10273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3542 IncrementalHoareTripleChecker+Valid, 6731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-12-22 14:42:01,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5860 Valid, 9893 Invalid, 10273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3542 Valid, 6731 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2021-12-22 14:42:01,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6728 states. [2021-12-22 14:42:01,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6728 to 6101. [2021-12-22 14:42:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6101 states, 4485 states have (on average 1.3683389074693422) internal successors, (6137), 4602 states have internal predecessors, (6137), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2021-12-22 14:42:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 8732 transitions. [2021-12-22 14:42:01,927 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 8732 transitions. Word has length 119 [2021-12-22 14:42:01,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:42:01,928 INFO L470 AbstractCegarLoop]: Abstraction has 6101 states and 8732 transitions. [2021-12-22 14:42:01,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 14:42:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 8732 transitions. [2021-12-22 14:42:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-22 14:42:01,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:42:01,938 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:42:01,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:42:01,941 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:42:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:42:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1870804088, now seen corresponding path program 1 times [2021-12-22 14:42:01,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:42:01,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664964178] [2021-12-22 14:42:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:42:01,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:42:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:42:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:42:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 14:42:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:42:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:42:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:42:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:42:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 14:42:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 14:42:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 14:42:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 14:42:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-22 14:42:02,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:42:02,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664964178] [2021-12-22 14:42:02,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664964178] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:42:02,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:42:02,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:42:02,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353246450] [2021-12-22 14:42:02,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:42:02,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:42:02,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:42:02,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:42:02,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:42:02,283 INFO L87 Difference]: Start difference. First operand 6101 states and 8732 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-22 14:42:04,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:42:10,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:42:12,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:42:12,514 INFO L93 Difference]: Finished difference Result 12789 states and 18540 transitions. [2021-12-22 14:42:12,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:42:12,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2021-12-22 14:42:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:42:12,570 INFO L225 Difference]: With dead ends: 12789 [2021-12-22 14:42:12,583 INFO L226 Difference]: Without dead ends: 6711 [2021-12-22 14:42:12,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:42:12,620 INFO L933 BasicCegarLoop]: 3124 mSDtfsCounter, 3993 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 1440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4374 SdHoareTripleChecker+Valid, 5849 SdHoareTripleChecker+Invalid, 3603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1440 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-12-22 14:42:12,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4374 Valid, 5849 Invalid, 3603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1440 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2021-12-22 14:42:12,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2021-12-22 14:42:12,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6101. [2021-12-22 14:42:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6101 states, 4485 states have (on average 1.3674470457079153) internal successors, (6133), 4602 states have internal predecessors, (6133), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2021-12-22 14:42:12,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 8728 transitions. [2021-12-22 14:42:12,852 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 8728 transitions. Word has length 116 [2021-12-22 14:42:12,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:42:12,852 INFO L470 AbstractCegarLoop]: Abstraction has 6101 states and 8728 transitions. [2021-12-22 14:42:12,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-22 14:42:12,853 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 8728 transitions. [2021-12-22 14:42:12,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-22 14:42:12,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:42:12,858 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:42:12,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:42:12,859 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:42:12,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:42:12,859 INFO L85 PathProgramCache]: Analyzing trace with hash -983581242, now seen corresponding path program 1 times [2021-12-22 14:42:12,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:42:12,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532407586] [2021-12-22 14:42:12,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:42:12,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:42:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:42:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:42:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 14:42:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:42:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:42:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:42:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:42:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 14:42:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 14:42:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 14:42:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 14:42:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:42:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-22 14:42:13,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:42:13,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532407586] [2021-12-22 14:42:13,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532407586] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:42:13,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:42:13,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:42:13,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290852325] [2021-12-22 14:42:13,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:42:13,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:42:13,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:42:13,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:42:13,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:42:13,329 INFO L87 Difference]: Start difference. First operand 6101 states and 8728 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-22 14:42:16,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:42:22,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:42:26,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:42:26,012 INFO L93 Difference]: Finished difference Result 19043 states and 27688 transitions. [2021-12-22 14:42:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:42:26,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2021-12-22 14:42:26,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:42:26,105 INFO L225 Difference]: With dead ends: 19043 [2021-12-22 14:42:26,105 INFO L226 Difference]: Without dead ends: 12965 [2021-12-22 14:42:26,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:42:26,127 INFO L933 BasicCegarLoop]: 3703 mSDtfsCounter, 4629 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 3727 mSolverCounterSat, 2452 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4990 SdHoareTripleChecker+Valid, 9401 SdHoareTripleChecker+Invalid, 6180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2452 IncrementalHoareTripleChecker+Valid, 3727 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:42:26,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4990 Valid, 9401 Invalid, 6180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2452 Valid, 3727 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2021-12-22 14:42:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12965 states. [2021-12-22 14:42:26,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12965 to 11756. [2021-12-22 14:42:26,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11756 states, 8632 states have (on average 1.3696709916589436) internal successors, (11823), 8864 states have internal predecessors, (11823), 2498 states have call successors, (2498), 626 states have call predecessors, (2498), 625 states have return successors, (2497), 2407 states have call predecessors, (2497), 2497 states have call successors, (2497) [2021-12-22 14:42:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11756 states to 11756 states and 16818 transitions. [2021-12-22 14:42:26,547 INFO L78 Accepts]: Start accepts. Automaton has 11756 states and 16818 transitions. Word has length 116