./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.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 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:13:03,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:13:03,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:13:03,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:13:03,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:13:03,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:13:03,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:13:04,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:13:04,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:13:04,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:13:04,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:13:04,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:13:04,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:13:04,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:13:04,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:13:04,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:13:04,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:13:04,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:13:04,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:13:04,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:13:04,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:13:04,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:13:04,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:13:04,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:13:04,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:13:04,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:13:04,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:13:04,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:13:04,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:13:04,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:13:04,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:13:04,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:13:04,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:13:04,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:13:04,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:13:04,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:13:04,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:13:04,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:13:04,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:13:04,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:13:04,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:13:04,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:13:04,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:13:04,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:13:04,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:13:04,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:13:04,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:13:04,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:13:04,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:13:04,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:13:04,090 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:13:04,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:13:04,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:13:04,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:13:04,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:13:04,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:13:04,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:13:04,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:13:04,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:13:04,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:13:04,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:13:04,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:13:04,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:13:04,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:13:04,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:13:04,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:13:04,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:13:04,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:13:04,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:13:04,095 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:13:04,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:13:04,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:13:04,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:13:04,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 [2021-12-16 04:13:04,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:13:04,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:13:04,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:13:04,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:13:04,334 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:13:04,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-12-16 04:13:04,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88544570f/f9c71b277bbe45169e34b49ac0a04e82/FLAG0dad1b751 [2021-12-16 04:13:04,927 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:13:04,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-12-16 04:13:04,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88544570f/f9c71b277bbe45169e34b49ac0a04e82/FLAG0dad1b751 [2021-12-16 04:13:05,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88544570f/f9c71b277bbe45169e34b49ac0a04e82 [2021-12-16 04:13:05,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:13:05,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:13:05,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:13:05,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:13:05,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:13:05,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:05,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e8e70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05, skipping insertion in model container [2021-12-16 04:13:05,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:05,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:13:05,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:13:05,679 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2021-12-16 04:13:05,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:13:05,734 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:13:05,854 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2021-12-16 04:13:05,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:13:05,914 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:13:05,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05 WrapperNode [2021-12-16 04:13:05,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:13:05,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:13:05,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:13:05,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:13:05,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:05,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:06,006 INFO L137 Inliner]: procedures = 77, calls = 159, calls flagged for inlining = 31, calls inlined = 27, statements flattened = 435 [2021-12-16 04:13:06,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:13:06,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:13:06,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:13:06,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:13:06,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:06,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:06,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:06,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:06,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:06,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:06,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:06,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:13:06,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:13:06,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:13:06,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:13:06,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (1/1) ... [2021-12-16 04:13:06,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:13:06,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:13:06,127 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) [2021-12-16 04:13:06,129 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 [2021-12-16 04:13:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:13:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:13:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:13:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:13:06,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:13:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:13:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:13:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2021-12-16 04:13:06,168 INFO L138 BoogieDeclarations]: Found implementation of procedure do_map_probe [2021-12-16 04:13:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:13:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:13:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2021-12-16 04:13:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2021-12-16 04:13:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:13:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-16 04:13:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-16 04:13:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:13:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:13:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:13:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:13:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-16 04:13:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-16 04:13:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:13:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:13:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-16 04:13:06,170 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-16 04:13:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:13:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:13:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-12-16 04:13:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-12-16 04:13:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:13:06,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:13:06,335 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:13:06,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:13:06,432 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:13:06,669 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:13:06,686 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:13:06,687 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:13:06,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:13:06 BoogieIcfgContainer [2021-12-16 04:13:06,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:13:06,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:13:06,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:13:06,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:13:06,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:13:05" (1/3) ... [2021-12-16 04:13:06,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e719276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:13:06, skipping insertion in model container [2021-12-16 04:13:06,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:13:05" (2/3) ... [2021-12-16 04:13:06,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e719276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:13:06, skipping insertion in model container [2021-12-16 04:13:06,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:13:06" (3/3) ... [2021-12-16 04:13:06,695 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-12-16 04:13:06,698 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:13:06,698 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:13:06,734 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:13:06,739 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 [2021-12-16 04:13:06,739 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:13:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 99 states have internal predecessors, (118), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-12-16 04:13:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-16 04:13:06,766 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:13:06,766 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:13:06,767 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:13:06,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:13:06,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1680540957, now seen corresponding path program 1 times [2021-12-16 04:13:06,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:13:06,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153786447] [2021-12-16 04:13:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:13:06,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:13:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:06,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 04:13:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 04:13:07,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:13:07,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153786447] [2021-12-16 04:13:07,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153786447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:13:07,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:13:07,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 04:13:07,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422864242] [2021-12-16 04:13:07,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:13:07,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 04:13:07,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:13:07,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 04:13:07,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:13:07,048 INFO L87 Difference]: Start difference. First operand has 130 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 99 states have internal predecessors, (118), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 04:13:07,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:13:07,159 INFO L93 Difference]: Finished difference Result 273 states and 358 transitions. [2021-12-16 04:13:07,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 04:13:07,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-12-16 04:13:07,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:13:07,172 INFO L225 Difference]: With dead ends: 273 [2021-12-16 04:13:07,172 INFO L226 Difference]: Without dead ends: 136 [2021-12-16 04:13:07,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 04:13:07,185 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 134 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:13:07,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 194 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 04:13:07,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-16 04:13:07,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-12-16 04:13:07,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 104 states have (on average 1.2115384615384615) internal successors, (126), 104 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-12-16 04:13:07,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 169 transitions. [2021-12-16 04:13:07,236 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 169 transitions. Word has length 20 [2021-12-16 04:13:07,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:13:07,236 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 169 transitions. [2021-12-16 04:13:07,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 04:13:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 169 transitions. [2021-12-16 04:13:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-16 04:13:07,241 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:13:07,241 INFO L514 BasicCegarLoop]: trace histogram [2, 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] [2021-12-16 04:13:07,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:13:07,242 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:13:07,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:13:07,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1835050372, now seen corresponding path program 1 times [2021-12-16 04:13:07,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:13:07,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769882664] [2021-12-16 04:13:07,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:13:07,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:13:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 04:13:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:13:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 04:13:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:13:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-16 04:13:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:13:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-16 04:13:07,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:13:07,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769882664] [2021-12-16 04:13:07,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769882664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:13:07,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:13:07,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:13:07,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893347889] [2021-12-16 04:13:07,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:13:07,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:13:07,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:13:07,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:13:07,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:13:07,398 INFO L87 Difference]: Start difference. First operand 136 states and 169 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-16 04:13:07,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:13:07,565 INFO L93 Difference]: Finished difference Result 154 states and 189 transitions. [2021-12-16 04:13:07,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:13:07,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2021-12-16 04:13:07,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:13:07,569 INFO L225 Difference]: With dead ends: 154 [2021-12-16 04:13:07,572 INFO L226 Difference]: Without dead ends: 149 [2021-12-16 04:13:07,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:13:07,582 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 155 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:13:07,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 243 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 04:13:07,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-12-16 04:13:07,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 136. [2021-12-16 04:13:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 104 states have (on average 1.2019230769230769) internal successors, (125), 104 states have internal predecessors, (125), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-12-16 04:13:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2021-12-16 04:13:07,599 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 168 transitions. Word has length 48 [2021-12-16 04:13:07,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:13:07,600 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 168 transitions. [2021-12-16 04:13:07,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-16 04:13:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 168 transitions. [2021-12-16 04:13:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-16 04:13:07,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:13:07,602 INFO L514 BasicCegarLoop]: trace histogram [2, 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] [2021-12-16 04:13:07,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:13:07,602 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:13:07,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:13:07,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1777792070, now seen corresponding path program 1 times [2021-12-16 04:13:07,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:13:07,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999541548] [2021-12-16 04:13:07,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:13:07,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:13:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 04:13:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:13:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 04:13:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:13:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-16 04:13:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:13:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:13:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-16 04:13:07,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:13:07,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999541548] [2021-12-16 04:13:07,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999541548] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:13:07,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:13:07,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:13:07,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245467659] [2021-12-16 04:13:07,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:13:07,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:13:07,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:13:07,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:13:07,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:13:07,774 INFO L87 Difference]: Start difference. First operand 136 states and 168 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 04:13:07,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:13:07,895 INFO L93 Difference]: Finished difference Result 144 states and 180 transitions. [2021-12-16 04:13:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:13:07,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2021-12-16 04:13:07,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:13:07,896 INFO L225 Difference]: With dead ends: 144 [2021-12-16 04:13:07,896 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 04:13:07,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:13:07,898 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 137 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:13:07,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 230 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 04:13:07,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 04:13:07,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 04:13:07,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 04:13:07,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 04:13:07,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-12-16 04:13:07,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:13:07,903 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 04:13:07,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-16 04:13:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 04:13:07,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 04:13:07,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 04:13:07,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:13:07,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 04:13:08,291 INFO L858 garLoopResultBuilder]: For program point iounmapEXIT(lines 3207 3209) no Hoare annotation was computed. [2021-12-16 04:13:08,292 INFO L861 garLoopResultBuilder]: At program point iounmapENTRY(lines 3207 3209) the Hoare annotation is: true [2021-12-16 04:13:08,292 INFO L858 garLoopResultBuilder]: For program point iounmapFINAL(lines 3207 3209) no Hoare annotation was computed. [2021-12-16 04:13:08,292 INFO L858 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2021-12-16 04:13:08,292 INFO L858 garLoopResultBuilder]: For program point do_map_probeEXIT(lines 3201 3203) no Hoare annotation was computed. [2021-12-16 04:13:08,293 INFO L854 garLoopResultBuilder]: At program point do_map_probeENTRY(lines 3201 3203) the Hoare annotation is: (or (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_module_refcounter~0 1)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-16 04:13:08,293 INFO L854 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: (or (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_module_refcounter~0 1)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-16 04:13:08,293 INFO L858 garLoopResultBuilder]: For program point do_map_probeFINAL(lines 3201 3203) no Hoare annotation was computed. [2021-12-16 04:13:08,293 INFO L858 garLoopResultBuilder]: For program point inlEXIT(lines 2761 2768) no Hoare annotation was computed. [2021-12-16 04:13:08,293 INFO L861 garLoopResultBuilder]: At program point inlENTRY(lines 2761 2768) the Hoare annotation is: true [2021-12-16 04:13:08,294 INFO L858 garLoopResultBuilder]: For program point inlFINAL(lines 2761 2768) no Hoare annotation was computed. [2021-12-16 04:13:08,294 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2774 2776) the Hoare annotation is: true [2021-12-16 04:13:08,294 INFO L858 garLoopResultBuilder]: For program point L2775(line 2775) no Hoare annotation was computed. [2021-12-16 04:13:08,294 INFO L858 garLoopResultBuilder]: For program point L2775-2(lines 2774 2776) no Hoare annotation was computed. [2021-12-16 04:13:08,294 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2774 2776) no Hoare annotation was computed. [2021-12-16 04:13:08,295 INFO L861 garLoopResultBuilder]: At program point outlENTRY(lines 2754 2760) the Hoare annotation is: true [2021-12-16 04:13:08,295 INFO L858 garLoopResultBuilder]: For program point outlEXIT(lines 2754 2760) no Hoare annotation was computed. [2021-12-16 04:13:08,295 INFO L858 garLoopResultBuilder]: For program point outlFINAL(lines 2754 2760) no Hoare annotation was computed. [2021-12-16 04:13:08,295 INFO L858 garLoopResultBuilder]: For program point L2784(lines 2784 2791) no Hoare annotation was computed. [2021-12-16 04:13:08,295 INFO L854 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2777 2793) the Hoare annotation is: (or (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_module_refcounter~0 1)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-16 04:13:08,296 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 2777 2793) no Hoare annotation was computed. [2021-12-16 04:13:08,296 INFO L858 garLoopResultBuilder]: For program point L2789-1(line 2789) no Hoare annotation was computed. [2021-12-16 04:13:08,296 INFO L861 garLoopResultBuilder]: At program point L2789(line 2789) the Hoare annotation is: true [2021-12-16 04:13:08,296 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2777 2793) no Hoare annotation was computed. [2021-12-16 04:13:08,296 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 3085 3091) no Hoare annotation was computed. [2021-12-16 04:13:08,297 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 3085 3091) the Hoare annotation is: true [2021-12-16 04:13:08,297 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3089) no Hoare annotation was computed. [2021-12-16 04:13:08,297 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 3085 3091) no Hoare annotation was computed. [2021-12-16 04:13:08,297 INFO L854 garLoopResultBuilder]: At program point L3248(line 3248) the Hoare annotation is: (or (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_module_refcounter~0 1)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-16 04:13:08,297 INFO L858 garLoopResultBuilder]: For program point pci_get_deviceEXIT(lines 3247 3249) no Hoare annotation was computed. [2021-12-16 04:13:08,298 INFO L858 garLoopResultBuilder]: For program point L3248-1(line 3248) no Hoare annotation was computed. [2021-12-16 04:13:08,298 INFO L854 garLoopResultBuilder]: At program point pci_get_deviceENTRY(lines 3247 3249) the Hoare annotation is: (or (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_module_refcounter~0 1)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-16 04:13:08,298 INFO L858 garLoopResultBuilder]: For program point pci_get_deviceFINAL(lines 3247 3249) no Hoare annotation was computed. [2021-12-16 04:13:08,298 INFO L861 garLoopResultBuilder]: At program point pci_dev_putENTRY(lines 3244 3246) the Hoare annotation is: true [2021-12-16 04:13:08,299 INFO L858 garLoopResultBuilder]: For program point pci_dev_putEXIT(lines 3244 3246) no Hoare annotation was computed. [2021-12-16 04:13:08,299 INFO L858 garLoopResultBuilder]: For program point pci_dev_putFINAL(lines 3244 3246) no Hoare annotation was computed. [2021-12-16 04:13:08,299 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2846 2852) no Hoare annotation was computed. [2021-12-16 04:13:08,299 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 2846 2852) the Hoare annotation is: true [2021-12-16 04:13:08,299 INFO L858 garLoopResultBuilder]: For program point L3041(lines 3041 3072) no Hoare annotation was computed. [2021-12-16 04:13:08,300 INFO L861 garLoopResultBuilder]: At program point L3075(line 3075) the Hoare annotation is: true [2021-12-16 04:13:08,300 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 04:13:08,300 INFO L854 garLoopResultBuilder]: At program point L2877(lines 2871 2879) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,300 INFO L858 garLoopResultBuilder]: For program point L3043(lines 3043 3069) no Hoare annotation was computed. [2021-12-16 04:13:08,300 INFO L858 garLoopResultBuilder]: For program point L2961(lines 2961 2966) no Hoare annotation was computed. [2021-12-16 04:13:08,301 INFO L854 garLoopResultBuilder]: At program point L2895(lines 2889 2897) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,301 INFO L854 garLoopResultBuilder]: At program point L3242(lines 3241 3243) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,301 INFO L858 garLoopResultBuilder]: For program point L3044(line 3044) no Hoare annotation was computed. [2021-12-16 04:13:08,301 INFO L854 garLoopResultBuilder]: At program point L3077(lines 3033 3082) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-16 04:13:08,301 INFO L854 garLoopResultBuilder]: At program point L3226(lines 3225 3227) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,302 INFO L854 garLoopResultBuilder]: At program point L3061(lines 3033 3082) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-12-16 04:13:08,302 INFO L858 garLoopResultBuilder]: For program point L2929(lines 2929 2933) no Hoare annotation was computed. [2021-12-16 04:13:08,302 INFO L858 garLoopResultBuilder]: For program point L2929-2(lines 2920 2934) no Hoare annotation was computed. [2021-12-16 04:13:08,302 INFO L858 garLoopResultBuilder]: For program point L3045(lines 3045 3050) no Hoare annotation was computed. [2021-12-16 04:13:08,302 INFO L858 garLoopResultBuilder]: For program point L2979-1(line 2979) no Hoare annotation was computed. [2021-12-16 04:13:08,303 INFO L854 garLoopResultBuilder]: At program point L2979(line 2979) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,303 INFO L858 garLoopResultBuilder]: For program point L2963-1(line 2963) no Hoare annotation was computed. [2021-12-16 04:13:08,303 INFO L854 garLoopResultBuilder]: At program point L2930(line 2930) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,303 INFO L854 garLoopResultBuilder]: At program point L2963(line 2963) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,303 INFO L858 garLoopResultBuilder]: For program point L2930-1(line 2930) no Hoare annotation was computed. [2021-12-16 04:13:08,304 INFO L854 garLoopResultBuilder]: At program point L3211(lines 3210 3212) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-16 04:13:08,304 INFO L858 garLoopResultBuilder]: For program point L3013-1(line 3013) no Hoare annotation was computed. [2021-12-16 04:13:08,304 INFO L854 garLoopResultBuilder]: At program point L3013(line 3013) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,304 INFO L858 garLoopResultBuilder]: For program point L2931-1(line 2931) no Hoare annotation was computed. [2021-12-16 04:13:08,304 INFO L854 garLoopResultBuilder]: At program point L2931(line 2931) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,305 INFO L854 garLoopResultBuilder]: At program point L3014(lines 2942 3016) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,305 INFO L858 garLoopResultBuilder]: For program point L2981(lines 2981 2988) no Hoare annotation was computed. [2021-12-16 04:13:08,305 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 04:13:08,305 INFO L854 garLoopResultBuilder]: At program point L3196(lines 3195 3197) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,305 INFO L854 garLoopResultBuilder]: At program point L2734(lines 2730 2736) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,305 INFO L861 garLoopResultBuilder]: At program point L3081(lines 3029 3083) the Hoare annotation is: true [2021-12-16 04:13:08,306 INFO L854 garLoopResultBuilder]: At program point L2982(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,306 INFO L854 garLoopResultBuilder]: At program point L2982-1(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,306 INFO L854 garLoopResultBuilder]: At program point L3230(lines 3229 3231) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,306 INFO L854 garLoopResultBuilder]: At program point L2751(lines 2746 2753) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,307 INFO L854 garLoopResultBuilder]: At program point L3214(lines 3213 3215) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-16 04:13:08,307 INFO L858 garLoopResultBuilder]: For program point L2983(line 2983) no Hoare annotation was computed. [2021-12-16 04:13:08,307 INFO L854 garLoopResultBuilder]: At program point L3000(line 3000) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,307 INFO L858 garLoopResultBuilder]: For program point L3000-1(line 3000) no Hoare annotation was computed. [2021-12-16 04:13:08,307 INFO L854 garLoopResultBuilder]: At program point L2868(lines 2862 2870) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,308 INFO L858 garLoopResultBuilder]: For program point L2951-1(line 2951) no Hoare annotation was computed. [2021-12-16 04:13:08,308 INFO L854 garLoopResultBuilder]: At program point L2951(line 2951) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,308 INFO L854 garLoopResultBuilder]: At program point L3199(lines 3198 3200) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,308 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 04:13:08,308 INFO L858 garLoopResultBuilder]: For program point L3067(line 3067) no Hoare annotation was computed. [2021-12-16 04:13:08,308 INFO L858 garLoopResultBuilder]: For program point L3001(lines 3001 3005) no Hoare annotation was computed. [2021-12-16 04:13:08,309 INFO L858 garLoopResultBuilder]: For program point L3001-2(lines 2950 3015) no Hoare annotation was computed. [2021-12-16 04:13:08,309 INFO L854 garLoopResultBuilder]: At program point L2952(line 2952) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,309 INFO L858 garLoopResultBuilder]: For program point L2985-1(line 2985) no Hoare annotation was computed. [2021-12-16 04:13:08,309 INFO L854 garLoopResultBuilder]: At program point L2985(line 2985) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,309 INFO L854 garLoopResultBuilder]: At program point L2886(lines 2880 2888) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,310 INFO L858 garLoopResultBuilder]: For program point L2952-1(line 2952) no Hoare annotation was computed. [2021-12-16 04:13:08,310 INFO L861 garLoopResultBuilder]: At program point L3068(line 3068) the Hoare annotation is: true [2021-12-16 04:13:08,310 INFO L854 garLoopResultBuilder]: At program point L2936(lines 2911 2938) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,310 INFO L858 garLoopResultBuilder]: For program point L3052(line 3052) no Hoare annotation was computed. [2021-12-16 04:13:08,310 INFO L858 garLoopResultBuilder]: For program point L2953-1(lines 2950 3015) no Hoare annotation was computed. [2021-12-16 04:13:08,310 INFO L858 garLoopResultBuilder]: For program point L2920(lines 2920 2934) no Hoare annotation was computed. [2021-12-16 04:13:08,311 INFO L854 garLoopResultBuilder]: At program point L2953(line 2953) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,311 INFO L854 garLoopResultBuilder]: At program point L3234(lines 3233 3235) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,311 INFO L858 garLoopResultBuilder]: For program point L2970(lines 2970 2990) no Hoare annotation was computed. [2021-12-16 04:13:08,311 INFO L858 garLoopResultBuilder]: For program point L3003-1(line 3003) no Hoare annotation was computed. [2021-12-16 04:13:08,311 INFO L854 garLoopResultBuilder]: At program point L3003(line 3003) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,312 INFO L858 garLoopResultBuilder]: For program point L2970-2(lines 2970 2990) no Hoare annotation was computed. [2021-12-16 04:13:08,312 INFO L854 garLoopResultBuilder]: At program point L3218(lines 3217 3219) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,312 INFO L858 garLoopResultBuilder]: For program point L3053(lines 3053 3065) no Hoare annotation was computed. [2021-12-16 04:13:08,312 INFO L858 garLoopResultBuilder]: For program point L2922(lines 2922 2926) no Hoare annotation was computed. [2021-12-16 04:13:08,312 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 04:13:08,312 INFO L861 garLoopResultBuilder]: At program point L3187-1(lines 3184 3193) the Hoare annotation is: true [2021-12-16 04:13:08,313 INFO L858 garLoopResultBuilder]: For program point L3187(lines 3187 3190) no Hoare annotation was computed. [2021-12-16 04:13:08,313 INFO L854 garLoopResultBuilder]: At program point L3022(line 3022) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-16 04:13:08,313 INFO L858 garLoopResultBuilder]: For program point L3055(lines 3055 3058) no Hoare annotation was computed. [2021-12-16 04:13:08,313 INFO L854 garLoopResultBuilder]: At program point L2956(line 2956) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,313 INFO L858 garLoopResultBuilder]: For program point L3022-1(line 3022) no Hoare annotation was computed. [2021-12-16 04:13:08,314 INFO L858 garLoopResultBuilder]: For program point L3055-2(lines 3053 3064) no Hoare annotation was computed. [2021-12-16 04:13:08,314 INFO L858 garLoopResultBuilder]: For program point L2923-1(line 2923) no Hoare annotation was computed. [2021-12-16 04:13:08,314 INFO L858 garLoopResultBuilder]: For program point L2956-1(line 2956) no Hoare annotation was computed. [2021-12-16 04:13:08,314 INFO L854 garLoopResultBuilder]: At program point L2923(line 2923) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,314 INFO L858 garLoopResultBuilder]: For program point L3039(lines 3039 3076) no Hoare annotation was computed. [2021-12-16 04:13:08,315 INFO L854 garLoopResultBuilder]: At program point L3188(line 3188) the Hoare annotation is: false [2021-12-16 04:13:08,315 INFO L854 garLoopResultBuilder]: At program point L3023(lines 3017 3025) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-16 04:13:08,315 INFO L854 garLoopResultBuilder]: At program point L2924(line 2924) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,315 INFO L858 garLoopResultBuilder]: For program point L2924-1(line 2924) no Hoare annotation was computed. [2021-12-16 04:13:08,315 INFO L854 garLoopResultBuilder]: At program point L3238(lines 3237 3239) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,316 INFO L858 garLoopResultBuilder]: For program point L3205-1(line 3205) no Hoare annotation was computed. [2021-12-16 04:13:08,316 INFO L854 garLoopResultBuilder]: At program point L3205(line 3205) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,316 INFO L854 garLoopResultBuilder]: At program point L3205-2(lines 3204 3206) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,316 INFO L858 garLoopResultBuilder]: For program point L3040(line 3040) no Hoare annotation was computed. [2021-12-16 04:13:08,316 INFO L854 garLoopResultBuilder]: At program point L3222(lines 3221 3223) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2021-12-16 04:13:08,317 INFO L854 garLoopResultBuilder]: At program point L3255(lines 3254 3256) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,317 INFO L854 garLoopResultBuilder]: At program point L2743(lines 2739 2745) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,317 INFO L854 garLoopResultBuilder]: At program point L2727(lines 2724 2729) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0) (= ~ldv_state_variable_0~0 1)) [2021-12-16 04:13:08,317 INFO L858 garLoopResultBuilder]: For program point L3074(line 3074) no Hoare annotation was computed. [2021-12-16 04:13:08,320 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-16 04:13:08,322 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 04:13:08,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:13:08 BoogieIcfgContainer [2021-12-16 04:13:08,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 04:13:08,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 04:13:08,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 04:13:08,338 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 04:13:08,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:13:06" (3/4) ... [2021-12-16 04:13:08,342 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 04:13:08,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2021-12-16 04:13:08,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-12-16 04:13:08,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure do_map_probe [2021-12-16 04:13:08,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-12-16 04:13:08,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2021-12-16 04:13:08,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inl [2021-12-16 04:13:08,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2021-12-16 04:13:08,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-12-16 04:13:08,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-16 04:13:08,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outl [2021-12-16 04:13:08,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2021-12-16 04:13:08,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-12-16 04:13:08,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-12-16 04:13:08,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 04:13:08,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 04:13:08,437 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 04:13:08,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 04:13:08,438 INFO L158 Benchmark]: Toolchain (without parser) took 3253.66ms. Allocated memory was 92.3MB in the beginning and 155.2MB in the end (delta: 62.9MB). Free memory was 60.8MB in the beginning and 65.9MB in the end (delta: -5.1MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2021-12-16 04:13:08,438 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 04:13:08,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.87ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 60.7MB in the beginning and 84.9MB in the end (delta: -24.3MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-12-16 04:13:08,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.48ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 80.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 04:13:08,440 INFO L158 Benchmark]: Boogie Preprocessor took 61.90ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 77.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 04:13:08,440 INFO L158 Benchmark]: RCFGBuilder took 612.67ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.4MB in the end (delta: 1.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-12-16 04:13:08,441 INFO L158 Benchmark]: TraceAbstraction took 1648.32ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 75.8MB in the beginning and 78.8MB in the end (delta: -3.0MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-12-16 04:13:08,441 INFO L158 Benchmark]: Witness Printer took 99.09ms. Allocated memory is still 155.2MB. Free memory was 78.8MB in the beginning and 65.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 04:13:08,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.87ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 60.7MB in the beginning and 84.9MB in the end (delta: -24.3MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.48ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 80.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.90ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 77.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.67ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.4MB in the end (delta: 1.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1648.32ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 75.8MB in the beginning and 78.8MB in the end (delta: -3.0MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Witness Printer took 99.09ms. Allocated memory is still 155.2MB. Free memory was 78.8MB in the beginning and 65.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3089]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 131 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 457 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 426 mSDsluCounter, 667 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 460 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 114 PreInvPairs, 164 NumberOfFragments, 528 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 248 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3225]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 2730]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3029]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3221]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2871]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 2942]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3204]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3229]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 2739]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3213]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 3217]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 2846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2862]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3198]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3017]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2880]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3237]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2724]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2911]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3210]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2889]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 - InvariantResult [Line: 3233]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_retval_0 == 0) && ldv_state_variable_0 == 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 04:13:08,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE