./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 ae007674 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-ae00767 [2021-12-28 03:59:27,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:59:27,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:59:27,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:59:27,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:59:27,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:59:27,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:59:27,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:59:27,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:59:27,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:59:27,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:59:27,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:59:27,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:59:27,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:59:27,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:59:27,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:59:27,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:59:27,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:59:27,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:59:27,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:59:27,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:59:27,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:59:27,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:59:27,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:59:27,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:59:27,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:59:27,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:59:27,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:59:27,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:59:27,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:59:27,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:59:27,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:59:27,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:59:27,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:59:27,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:59:27,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:59:27,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:59:27,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:59:27,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:59:27,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:59:27,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:59:27,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:59:27,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:59:27,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:59:27,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:59:27,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:59:27,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:59:27,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:59:27,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:59:27,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:59:27,893 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:59:27,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:59:27,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:59:27,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:59:27,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:59:27,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:59:27,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:59:27,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:59:27,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:59:27,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:59:27,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:59:27,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:59:27,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:59:27,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:59:27,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:59:27,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:59:27,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:59:27,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:59:27,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:59:27,896 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:59:27,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:59:27,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:59:27,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 [2021-12-28 03:59:28,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:59:28,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:59:28,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:59:28,201 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:59:28,201 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:59:28,203 INFO L432 ainManager$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 [2021-12-28 03:59:28,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167fe67c7/389cd52e2cfa43b6a4bd86379428ad6e/FLAG7648887c2 [2021-12-28 03:59:28,888 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:59:28,889 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 [2021-12-28 03:59:28,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167fe67c7/389cd52e2cfa43b6a4bd86379428ad6e/FLAG7648887c2 [2021-12-28 03:59:29,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167fe67c7/389cd52e2cfa43b6a4bd86379428ad6e [2021-12-28 03:59:29,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:59:29,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:59:29,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:59:29,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:59:29,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:59:29,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:59:29" (1/1) ... [2021-12-28 03:59:29,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2c85ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:29, skipping insertion in model container [2021-12-28 03:59:29,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:59:29" (1/1) ... [2021-12-28 03:59:29,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:59:29,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:59:29,790 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2021-12-28 03:59:29,790 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] [2021-12-28 03:59:30,088 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] [2021-12-28 03:59:31,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:59:31,316 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:59:31,381 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2021-12-28 03:59:31,381 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] [2021-12-28 03:59:31,394 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] [2021-12-28 03:59:31,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:59:31,961 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:59:31,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31 WrapperNode [2021-12-28 03:59:31,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:59:31,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:59:31,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:59:31,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:59:31,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,307 INFO L137 Inliner]: procedures = 362, calls = 6469, calls flagged for inlining = 182, calls inlined = 134, statements flattened = 9215 [2021-12-28 03:59:32,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:59:32,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:59:32,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:59:32,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:59:32,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:59:32,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:59:32,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:59:32,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:59:32,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (1/1) ... [2021-12-28 03:59:32,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:59:32,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:59:32,619 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) [2021-12-28 03:59:32,646 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 [2021-12-28 03:59:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 03:59:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 03:59:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2021-12-28 03:59:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2021-12-28 03:59:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting [2021-12-28 03:59:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting [2021-12-28 03:59:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 03:59:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 03:59:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 03:59:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str [2021-12-28 03:59:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str [2021-12-28 03:59:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 03:59:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 03:59:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 03:59:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 03:59:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure skd_quiesce_dev [2021-12-28 03:59:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev [2021-12-28 03:59:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-28 03:59:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-28 03:59:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 03:59:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 03:59:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 03:59:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 03:59:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:59:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:59:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure skd_cons_sg_list [2021-12-28 03:59:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list [2021-12-28 03:59:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_device [2021-12-28 03:59:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_device [2021-12-28 03:59:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-28 03:59:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-28 03:59:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:59:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:59:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure skd_postop_sg_list [2021-12-28 03:59:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list [2021-12-28 03:59:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 03:59:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 03:59:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2021-12-28 03:59:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2021-12-28 03:59:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skreq [2021-12-28 03:59:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skreq [2021-12-28 03:59:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-12-28 03:59:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-12-28 03:59:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-12-28 03:59:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-12-28 03:59:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 03:59:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 03:59:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure skd_disable_interrupts [2021-12-28 03:59:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts [2021-12-28 03:59:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 03:59:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 03:59:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 03:59:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 03:59:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-28 03:59:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-28 03:59:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_remove [2021-12-28 03:59:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_remove [2021-12-28 03:59:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_fault [2021-12-28 03:59:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_fault [2021-12-28 03:59:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_fwstate [2021-12-28 03:59:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate [2021-12-28 03:59:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-28 03:59:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-28 03:59:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2021-12-28 03:59:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2021-12-28 03:59:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:59:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 03:59:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_disappeared [2021-12-28 03:59:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer [2021-12-28 03:59:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 03:59:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-28 03:59:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 03:59:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write64 [2021-12-28 03:59:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write64 [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 03:59:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-28 03:59:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-28 03:59:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 03:59:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-12-28 03:59:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 03:59:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-28 03:59:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-12-28 03:59:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 03:59:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure skd_soft_reset [2021-12-28 03:59:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_soft_reset [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_timer [2021-12-28 03:59:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_timer [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write32 [2021-12-28 03:59:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write32 [2021-12-28 03:59:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-28 03:59:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-12-28 03:59:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 03:59:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-28 03:59:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure blk_requeue_request [2021-12-28 03:59:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_requeue_request [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 03:59:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-28 03:59:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-28 03:59:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-28 03:59:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure skd_restart_device [2021-12-28 03:59:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_restart_device [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-28 03:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 03:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_read32 [2021-12-28 03:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_read32 [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 03:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-28 03:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-28 03:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-28 03:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2021-12-28 03:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 03:59:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 03:59:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 03:59:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 03:59:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:59:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 03:59:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 03:59:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-28 03:59:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-28 03:59:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl [2021-12-28 03:59:32,713 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl [2021-12-28 03:59:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_special [2021-12-28 03:59:32,713 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_special [2021-12-28 03:59:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 03:59:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 03:59:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2021-12-28 03:59:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2021-12-28 03:59:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_irq [2021-12-28 03:59:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_irq [2021-12-28 03:59:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-28 03:59:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-28 03:59:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure skd_free_sg_list [2021-12-28 03:59:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_free_sg_list [2021-12-28 03:59:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure skd_destruct [2021-12-28 03:59:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_destruct [2021-12-28 03:59:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str [2021-12-28 03:59:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str [2021-12-28 03:59:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:59:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 03:59:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 03:59:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:59:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg [2021-12-28 03:59:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg [2021-12-28 03:59:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 03:59:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 03:59:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:59:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2021-12-28 03:59:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2021-12-28 03:59:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 03:59:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-28 03:59:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-28 03:59:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-28 03:59:32,717 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-28 03:59:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-28 03:59:32,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-28 03:59:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 03:59:32,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 03:59:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure skd_name [2021-12-28 03:59:32,717 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_name [2021-12-28 03:59:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 03:59:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 03:59:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_msix [2021-12-28 03:59:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_msix [2021-12-28 03:59:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure skd_end_request [2021-12-28 03:59:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_end_request [2021-12-28 03:59:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure skd_recover_requests [2021-12-28 03:59:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_recover_requests [2021-12-28 03:59:32,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 03:59:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 03:59:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 03:59:32,719 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 03:59:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2021-12-28 03:59:32,719 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2021-12-28 03:59:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 03:59:32,719 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 03:59:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2021-12-28 03:59:32,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2021-12-28 03:59:32,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 03:59:32,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 03:59:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 03:59:32,720 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 03:59:32,720 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 03:59:32,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 03:59:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 03:59:32,721 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 03:59:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_shutdown [2021-12-28 03:59:32,721 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown [2021-12-28 03:59:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-28 03:59:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-28 03:59:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:59:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure skd_stop_device [2021-12-28 03:59:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_stop_device [2021-12-28 03:59:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure skd_acquire_irq [2021-12-28 03:59:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_acquire_irq [2021-12-28 03:59:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 03:59:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 03:59:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:59:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:59:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-12-28 03:59:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-12-28 03:59:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2021-12-28 03:59:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2021-12-28 03:59:33,466 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:59:33,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:59:33,708 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 03:59:33,989 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; [2021-12-28 03:59:33,989 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; [2021-12-28 03:59:33,990 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 [2021-12-28 03:59:33,990 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; [2021-12-28 03:59:33,990 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 [2021-12-28 03:59:33,990 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; [2021-12-28 03:59:33,990 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; [2021-12-28 03:59:33,990 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; [2021-12-28 03:59:33,990 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume __copy_to_user_nocheck_#t~switch284#1; [2021-12-28 03:59:33,990 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume !__copy_to_user_nocheck_#t~switch284#1; [2021-12-28 03:59:33,991 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435: havoc __copy_to_user_nocheck_#t~switch284#1; [2021-12-28 03:59:33,991 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; [2021-12-28 03:59:33,991 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; [2021-12-28 03:59:33,991 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume __copy_to_user_nocheck_#t~switch284#1; [2021-12-28 03:59:33,991 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := true; [2021-12-28 03:59:33,991 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; [2021-12-28 03:59:33,991 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; [2021-12-28 03:59:33,991 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume __copy_to_user_nocheck_#t~switch284#1; [2021-12-28 03:59:33,992 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; [2021-12-28 03:59:33,992 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; [2021-12-28 03:59:33,992 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; [2021-12-28 03:59:33,992 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 [2021-12-28 03:59:33,992 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; [2021-12-28 03:59:33,992 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; [2021-12-28 03:59:33,992 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); [2021-12-28 03:59:35,676 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362: havoc __copy_from_user_nocheck_#t~switch278#1; [2021-12-28 03:59:35,677 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 [2021-12-28 03:59:35,677 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; [2021-12-28 03:59:35,677 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume __copy_from_user_nocheck_#t~switch278#1; [2021-12-28 03:59:35,677 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; [2021-12-28 03:59:35,677 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; [2021-12-28 03:59:35,677 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 [2021-12-28 03:59:35,677 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume __copy_from_user_nocheck_#t~switch278#1; [2021-12-28 03:59:35,678 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := true; [2021-12-28 03:59:35,678 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; [2021-12-28 03:59:35,678 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; [2021-12-28 03:59:35,678 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume __copy_from_user_nocheck_#t~switch278#1; [2021-12-28 03:59:35,678 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume !__copy_from_user_nocheck_#t~switch278#1; [2021-12-28 03:59:35,678 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; [2021-12-28 03:59:35,678 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; [2021-12-28 03:59:35,678 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; [2021-12-28 03:59:35,679 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; [2021-12-28 03:59:35,679 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; [2021-12-28 03:59:35,679 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 [2021-12-28 03:59:35,679 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; [2021-12-28 03:59:35,679 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); [2021-12-28 03:59:35,679 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; [2021-12-28 03:59:35,679 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; [2021-12-28 03:59:35,680 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; [2021-12-28 03:59:35,680 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; [2021-12-28 03:59:40,359 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:59:40,381 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:59:40,382 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 03:59:40,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:59:40 BoogieIcfgContainer [2021-12-28 03:59:40,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:59:40,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:59:40,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:59:40,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:59:40,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:59:29" (1/3) ... [2021-12-28 03:59:40,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279ddda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:59:40, skipping insertion in model container [2021-12-28 03:59:40,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:31" (2/3) ... [2021-12-28 03:59:40,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279ddda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:59:40, skipping insertion in model container [2021-12-28 03:59:40,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:59:40" (3/3) ... [2021-12-28 03:59:40,392 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 [2021-12-28 03:59:40,395 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:59:40,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:59:40,447 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:59:40,454 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 [2021-12-28 03:59:40,454 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:59:40,505 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) [2021-12-28 03:59:40,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-28 03:59:40,521 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:40,522 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] [2021-12-28 03:59:40,523 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:40,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:40,527 INFO L85 PathProgramCache]: Analyzing trace with hash 799047285, now seen corresponding path program 1 times [2021-12-28 03:59:40,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:40,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580010174] [2021-12-28 03:59:40,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:40,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:59:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 03:59:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-28 03:59:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 03:59:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 03:59:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 03:59:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 03:59:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 03:59:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 03:59:41,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:41,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580010174] [2021-12-28 03:59:41,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580010174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:41,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:41,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 03:59:41,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987285721] [2021-12-28 03:59:41,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:41,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 03:59:41,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:41,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 03:59:41,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 03:59:41,296 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) [2021-12-28 03:59:44,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:52,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:59:52,853 INFO L93 Difference]: Finished difference Result 6204 states and 9077 transitions. [2021-12-28 03:59:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 03:59:52,856 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 [2021-12-28 03:59:52,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:59:52,905 INFO L225 Difference]: With dead ends: 6204 [2021-12-28 03:59:52,905 INFO L226 Difference]: Without dead ends: 3855 [2021-12-28 03:59:52,924 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 [2021-12-28 03:59:52,928 INFO L933 BasicCegarLoop]: 3494 mSDtfsCounter, 3383 mSDsluCounter, 5260 mSDsCounter, 0 mSdLazyCounter, 3743 mSolverCounterSat, 1905 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3582 SdHoareTripleChecker+Valid, 8754 SdHoareTripleChecker+Invalid, 5648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1905 IncrementalHoareTripleChecker+Valid, 3743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:59:52,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3582 Valid, 8754 Invalid, 5648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1905 Valid, 3743 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2021-12-28 03:59:52,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2021-12-28 03:59:53,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 3536. [2021-12-28 03:59:53,151 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) [2021-12-28 03:59:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 5070 transitions. [2021-12-28 03:59:53,173 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 5070 transitions. Word has length 78 [2021-12-28 03:59:53,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:59:53,175 INFO L470 AbstractCegarLoop]: Abstraction has 3536 states and 5070 transitions. [2021-12-28 03:59:53,175 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) [2021-12-28 03:59:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 5070 transitions. [2021-12-28 03:59:53,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-28 03:59:53,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:53,189 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] [2021-12-28 03:59:53,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:59:53,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:53,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:53,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1465883832, now seen corresponding path program 1 times [2021-12-28 03:59:53,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:53,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794015892] [2021-12-28 03:59:53,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:53,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:59:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 03:59:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-28 03:59:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 03:59:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 03:59:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 03:59:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 03:59:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 03:59:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 03:59:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 03:59:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 03:59:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-28 03:59:53,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:53,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794015892] [2021-12-28 03:59:53,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794015892] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:53,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:53,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 03:59:53,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780733631] [2021-12-28 03:59:53,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:53,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 03:59:53,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:53,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 03:59:53,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 03:59:53,692 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) [2021-12-28 03:59:57,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:59,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:00:08,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:00:12,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:00:12,742 INFO L93 Difference]: Finished difference Result 10245 states and 14911 transitions. [2021-12-28 04:00:12,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 04:00:12,743 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 [2021-12-28 04:00:12,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:00:12,782 INFO L225 Difference]: With dead ends: 10245 [2021-12-28 04:00:12,782 INFO L226 Difference]: Without dead ends: 6728 [2021-12-28 04:00:12,797 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 [2021-12-28 04:00:12,798 INFO L933 BasicCegarLoop]: 4036 mSDtfsCounter, 5435 mSDsluCounter, 5210 mSDsCounter, 0 mSdLazyCounter, 7404 mSolverCounterSat, 3525 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5861 SdHoareTripleChecker+Valid, 9246 SdHoareTripleChecker+Invalid, 10930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3525 IncrementalHoareTripleChecker+Valid, 7404 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:00:12,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5861 Valid, 9246 Invalid, 10930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3525 Valid, 7404 Invalid, 1 Unknown, 0 Unchecked, 18.6s Time] [2021-12-28 04:00:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6728 states. [2021-12-28 04:00:13,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6728 to 6101. [2021-12-28 04:00:13,096 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) [2021-12-28 04:00:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 8732 transitions. [2021-12-28 04:00:13,120 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 8732 transitions. Word has length 119 [2021-12-28 04:00:13,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:00:13,122 INFO L470 AbstractCegarLoop]: Abstraction has 6101 states and 8732 transitions. [2021-12-28 04:00:13,122 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) [2021-12-28 04:00:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 8732 transitions. [2021-12-28 04:00:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-28 04:00:13,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:00:13,133 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] [2021-12-28 04:00:13,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:00:13,134 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:00:13,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:00:13,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1870804088, now seen corresponding path program 1 times [2021-12-28 04:00:13,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:00:13,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103225683] [2021-12-28 04:00:13,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:00:13,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:00:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:00:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:00:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 04:00:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-28 04:00:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:00:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:00:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:00:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 04:00:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 04:00:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:00:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 04:00:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-28 04:00:13,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:00:13,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103225683] [2021-12-28 04:00:13,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103225683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:00:13,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:00:13,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:00:13,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038980385] [2021-12-28 04:00:13,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:00:13,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:00:13,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:00:13,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:00:13,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:00:13,538 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) [2021-12-28 04:00:21,187 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 [] [2021-12-28 04:00:23,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:00:23,151 INFO L93 Difference]: Finished difference Result 12789 states and 18540 transitions. [2021-12-28 04:00:23,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:00:23,152 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 [2021-12-28 04:00:23,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:00:23,183 INFO L225 Difference]: With dead ends: 12789 [2021-12-28 04:00:23,183 INFO L226 Difference]: Without dead ends: 6711 [2021-12-28 04:00:23,205 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 [2021-12-28 04:00:23,210 INFO L933 BasicCegarLoop]: 3115 mSDtfsCounter, 3995 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 1445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4381 SdHoareTripleChecker+Valid, 5827 SdHoareTripleChecker+Invalid, 3599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1445 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:00:23,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4381 Valid, 5827 Invalid, 3599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1445 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2021-12-28 04:00:23,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2021-12-28 04:00:23,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6101. [2021-12-28 04:00:23,437 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) [2021-12-28 04:00:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 8728 transitions. [2021-12-28 04:00:23,459 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 8728 transitions. Word has length 116 [2021-12-28 04:00:23,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:00:23,459 INFO L470 AbstractCegarLoop]: Abstraction has 6101 states and 8728 transitions. [2021-12-28 04:00:23,461 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) [2021-12-28 04:00:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 8728 transitions. [2021-12-28 04:00:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-28 04:00:23,467 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:00:23,467 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] [2021-12-28 04:00:23,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:00:23,467 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:00:23,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:00:23,468 INFO L85 PathProgramCache]: Analyzing trace with hash -983581242, now seen corresponding path program 1 times [2021-12-28 04:00:23,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:00:23,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576155854] [2021-12-28 04:00:23,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:00:23,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:00:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:00:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:00:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 04:00:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-28 04:00:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:00:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:00:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:00:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 04:00:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 04:00:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:00:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 04:00:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:00:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-28 04:00:23,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:00:23,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576155854] [2021-12-28 04:00:23,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576155854] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:00:23,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:00:23,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:00:23,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741620048] [2021-12-28 04:00:23,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:00:23,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:00:23,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:00:23,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:00:23,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:00:23,769 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) [2021-12-28 04:00:26,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []