./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-32_7a-drivers--gpu--drm--mgag200--mgag200.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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.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 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:16:32,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:16:32,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:16:32,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:16:32,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:16:32,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:16:32,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:16:32,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:16:32,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:16:32,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:16:32,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:16:32,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:16:32,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:16:32,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:16:32,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:16:32,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:16:32,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:16:32,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:16:32,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:16:32,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:16:32,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:16:32,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:16:32,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:16:32,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:16:32,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:16:32,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:16:32,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:16:32,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:16:32,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:16:32,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:16:32,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:16:32,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:16:32,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:16:32,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:16:32,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:16:32,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:16:32,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:16:32,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:16:32,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:16:32,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:16:32,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:16:32,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:16:33,014 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:16:33,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:16:33,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:16:33,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:16:33,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:16:33,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:16:33,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:16:33,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:16:33,018 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:16:33,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:16:33,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:16:33,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:16:33,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:16:33,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:16:33,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:16:33,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:16:33,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:16:33,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:16:33,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:16:33,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:16:33,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:16:33,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:16:33,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:16:33,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:16:33,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:16:33,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:16:33,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:16:33,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:16:33,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:16:33,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:16:33,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 [2021-12-28 04:16:33,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:16:33,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:16:33,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:16:33,329 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:16:33,333 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:16:33,334 INFO L432 ainManager$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-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-12-28 04:16:33,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f69b112f/f021cbb8b6074430a9c8a1ed23c9fb15/FLAG6a0c8dcd6 [2021-12-28 04:16:34,171 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:16:34,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-12-28 04:16:34,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f69b112f/f021cbb8b6074430a9c8a1ed23c9fb15/FLAG6a0c8dcd6 [2021-12-28 04:16:34,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f69b112f/f021cbb8b6074430a9c8a1ed23c9fb15 [2021-12-28 04:16:34,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:16:34,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:16:34,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:16:34,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:16:34,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:16:34,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:16:34" (1/1) ... [2021-12-28 04:16:34,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1b888e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:34, skipping insertion in model container [2021-12-28 04:16:34,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:16:34" (1/1) ... [2021-12-28 04:16:34,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:16:34,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:16:37,744 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-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i[367278,367291] [2021-12-28 04:16:38,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:16:38,073 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:16:38,393 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-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i[367278,367291] [2021-12-28 04:16:38,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:16:38,687 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:16:38,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38 WrapperNode [2021-12-28 04:16:38,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:16:38,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:16:38,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:16:38,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:16:38,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:38,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:38,962 INFO L137 Inliner]: procedures = 565, calls = 3127, calls flagged for inlining = 257, calls inlined = 249, statements flattened = 8798 [2021-12-28 04:16:38,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:16:38,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:16:38,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:16:38,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:16:38,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:38,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:38,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:38,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:39,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:39,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:39,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:39,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:16:39,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:16:39,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:16:39,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:16:39,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (1/1) ... [2021-12-28 04:16:39,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:16:39,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:16:39,289 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 04:16:39,335 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 04:16:39,350 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2021-12-28 04:16:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2021-12-28 04:16:39,350 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_cursor_set [2021-12-28 04:16:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_cursor_set [2021-12-28 04:16:39,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:16:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:16:39,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:16:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:16:39,351 INFO L130 BoogieDeclarations]: Found specification of procedure mga_pci_remove [2021-12-28 04:16:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_pci_remove [2021-12-28 04:16:39,351 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_load_lut [2021-12-28 04:16:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_load_lut [2021-12-28 04:16:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure mga_user_framebuffer_destroy [2021-12-28 04:16:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_user_framebuffer_destroy [2021-12-28 04:16:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2021-12-28 04:16:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2021-12-28 04:16:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-28 04:16:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-28 04:16:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-28 04:16:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-28 04:16:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-28 04:16:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-28 04:16:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-28 04:16:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-28 04:16:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 04:16:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 04:16:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:16:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:16:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2021-12-28 04:16:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2021-12-28 04:16:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_disable [2021-12-28 04:16:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_disable [2021-12-28 04:16:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-28 04:16:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-28 04:16:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-28 04:16:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-28 04:16:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 04:16:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 04:16:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:16:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:16:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_unpin [2021-12-28 04:16:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_unpin [2021-12-28 04:16:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:16:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure mga_dirty_update [2021-12-28 04:16:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_dirty_update [2021-12-28 04:16:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2021-12-28 04:16:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2021-12-28 04:16:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-12-28 04:16:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-12-28 04:16:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2021-12-28 04:16:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2021-12-28 04:16:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_dpms [2021-12-28 04:16:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_dpms [2021-12-28 04:16:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_driver_unload [2021-12-28 04:16:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_driver_unload [2021-12-28 04:16:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_tt_unpopulate [2021-12-28 04:16:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_tt_unpopulate [2021-12-28 04:16:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:16:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-12-28 04:16:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-12-28 04:16:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_prepare [2021-12-28 04:16:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_prepare [2021-12-28 04:16:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-12-28 04:16:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-12-28 04:16:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:16:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:16:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:16:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:16:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_apertures [2021-12-28 04:16:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_apertures [2021-12-28 04:16:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure mga_hide_cursor [2021-12-28 04:16:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_hide_cursor [2021-12-28 04:16:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference [2021-12-28 04:16:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference [2021-12-28 04:16:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_commit [2021-12-28 04:16:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_commit [2021-12-28 04:16:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:16:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:16:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:16:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2021-12-28 04:16:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2021-12-28 04:16:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_gem_free_object [2021-12-28 04:16:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_gem_free_object [2021-12-28 04:16:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:16:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_commit [2021-12-28 04:16:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_commit [2021-12-28 04:16:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-28 04:16:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-28 04:16:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:16:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:16:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:16:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:16:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_gem_create [2021-12-28 04:16:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_gem_create [2021-12-28 04:16:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:16:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:16:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-28 04:16:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-28 04:16:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_dpms [2021-12-28 04:16:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_dpms [2021-12-28 04:16:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure mga_vga_calculate_mode_bandwidth [2021-12-28 04:16:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_vga_calculate_mode_bandwidth [2021-12-28 04:16:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_destroy [2021-12-28 04:16:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_destroy [2021-12-28 04:16:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-28 04:16:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-28 04:16:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-28 04:16:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-28 04:16:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-12-28 04:16:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-12-28 04:16:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_pin [2021-12-28 04:16:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_pin [2021-12-28 04:16:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:16:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:16:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_placement [2021-12-28 04:16:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_placement [2021-12-28 04:16:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_cursor_move [2021-12-28 04:16:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_cursor_move [2021-12-28 04:16:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:16:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:16:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_mmap [2021-12-28 04:16:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_mmap [2021-12-28 04:16:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_unreserve [2021-12-28 04:16:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_unreserve [2021-12-28 04:16:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:16:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:16:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_push_sysram [2021-12-28 04:16:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_push_sysram [2021-12-28 04:16:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:16:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:16:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:16:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:16:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_set [2021-12-28 04:16:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_set [2021-12-28 04:16:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 04:16:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_gpu_offset [2021-12-28 04:16:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_gpu_offset [2021-12-28 04:16:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-28 04:16:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-28 04:16:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-28 04:16:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-28 04:16:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:16:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:16:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:16:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:16:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:16:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:16:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:16:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:16:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:16:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:16:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2021-12-28 04:16:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2021-12-28 04:16:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 04:16:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 04:16:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-28 04:16:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-28 04:16:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:16:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2021-12-28 04:16:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2021-12-28 04:16:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-12-28 04:16:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-28 04:16:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-28 04:16:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:16:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_fixup [2021-12-28 04:16:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_fixup [2021-12-28 04:16:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2021-12-28 04:16:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2021-12-28 04:16:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_backend_destroy [2021-12-28 04:16:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_backend_destroy [2021-12-28 04:16:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-28 04:16:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-28 04:16:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_create [2021-12-28 04:16:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_create [2021-12-28 04:16:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_do_set_base [2021-12-28 04:16:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_do_set_base [2021-12-28 04:16:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:16:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:16:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:16:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_reserve___0 [2021-12-28 04:16:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_reserve___0 [2021-12-28 04:16:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_destroy [2021-12-28 04:16:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_destroy [2021-12-28 04:16:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_prepare [2021-12-28 04:16:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_prepare [2021-12-28 04:16:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo [2021-12-28 04:16:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo [2021-12-28 04:16:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_gamma_set [2021-12-28 04:16:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_gamma_set [2021-12-28 04:16:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure mga_connector_destroy [2021-12-28 04:16:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_connector_destroy [2021-12-28 04:16:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-28 04:16:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-28 04:16:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_19 [2021-12-28 04:16:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_19 [2021-12-28 04:16:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure remove_conflicting_framebuffers [2021-12-28 04:16:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_conflicting_framebuffers [2021-12-28 04:16:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2021-12-28 04:16:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2021-12-28 04:16:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_framebuffer_init [2021-12-28 04:16:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_framebuffer_init [2021-12-28 04:16:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:16:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:16:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:16:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:16:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:16:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-12-28 04:16:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-12-28 04:16:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_reserve [2021-12-28 04:16:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_reserve [2021-12-28 04:16:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:16:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:16:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-28 04:16:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-28 04:16:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2021-12-28 04:16:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2021-12-28 04:16:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2021-12-28 04:16:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2021-12-28 04:16:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_set_base [2021-12-28 04:16:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_set_base [2021-12-28 04:16:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure mga_vga_detect [2021-12-28 04:16:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_vga_detect [2021-12-28 04:16:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2021-12-28 04:16:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2021-12-28 04:16:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure mga_i2c_set [2021-12-28 04:16:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_i2c_set [2021-12-28 04:16:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:16:40,328 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:16:40,333 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:16:40,715 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:16:52,101 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:16:52,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:16:52,118 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:16:52,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:16:52 BoogieIcfgContainer [2021-12-28 04:16:52,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:16:52,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:16:52,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:16:52,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:16:52,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:16:34" (1/3) ... [2021-12-28 04:16:52,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326d28b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:16:52, skipping insertion in model container [2021-12-28 04:16:52,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:38" (2/3) ... [2021-12-28 04:16:52,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326d28b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:16:52, skipping insertion in model container [2021-12-28 04:16:52,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:16:52" (3/3) ... [2021-12-28 04:16:52,128 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-12-28 04:16:52,131 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:16:52,131 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:16:52,171 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:16:52,176 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 04:16:52,176 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:16:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 2995 states, 2078 states have (on average 1.343599615014437) internal successors, (2792), 2157 states have internal predecessors, (2792), 812 states have call successors, (812), 104 states have call predecessors, (812), 103 states have return successors, (795), 777 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-28 04:16:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-28 04:16:52,225 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:16:52,226 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:16:52,227 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:16:52,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:16:52,232 INFO L85 PathProgramCache]: Analyzing trace with hash 543121941, now seen corresponding path program 1 times [2021-12-28 04:16:52,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:16:52,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432085144] [2021-12-28 04:16:52,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:16:52,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:16:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:16:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:16:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:16:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:16:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:16:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:16:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:16:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:16:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:16:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:16:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:16:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:16:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:16:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:16:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:16:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:16:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:16:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-28 04:16:53,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:16:53,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432085144] [2021-12-28 04:16:53,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432085144] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:16:53,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:16:53,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:16:53,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236074751] [2021-12-28 04:16:53,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:16:53,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:16:53,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:16:53,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:16:53,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:16:53,562 INFO L87 Difference]: Start difference. First operand has 2995 states, 2078 states have (on average 1.343599615014437) internal successors, (2792), 2157 states have internal predecessors, (2792), 812 states have call successors, (812), 104 states have call predecessors, (812), 103 states have return successors, (795), 777 states have call predecessors, (795), 795 states have call successors, (795) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:16:58,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:17:02,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:17:10,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:17:10,618 INFO L93 Difference]: Finished difference Result 6205 states and 9341 transitions. [2021-12-28 04:17:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:17:10,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 250 [2021-12-28 04:17:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:17:10,673 INFO L225 Difference]: With dead ends: 6205 [2021-12-28 04:17:10,674 INFO L226 Difference]: Without dead ends: 3179 [2021-12-28 04:17:10,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:17:10,699 INFO L933 BasicCegarLoop]: 4029 mSDtfsCounter, 1791 mSDsluCounter, 5036 mSDsCounter, 0 mSdLazyCounter, 3358 mSolverCounterSat, 2138 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 9065 SdHoareTripleChecker+Invalid, 5497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2138 IncrementalHoareTripleChecker+Valid, 3358 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:17:10,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1840 Valid, 9065 Invalid, 5497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2138 Valid, 3358 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2021-12-28 04:17:10,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2021-12-28 04:17:11,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 2961. [2021-12-28 04:17:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 2063 states have (on average 1.3310712554532234) internal successors, (2746), 2123 states have internal predecessors, (2746), 795 states have call successors, (795), 103 states have call predecessors, (795), 102 states have return successors, (783), 765 states have call predecessors, (783), 783 states have call successors, (783) [2021-12-28 04:17:11,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 4324 transitions. [2021-12-28 04:17:11,049 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 4324 transitions. Word has length 250 [2021-12-28 04:17:11,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:17:11,051 INFO L470 AbstractCegarLoop]: Abstraction has 2961 states and 4324 transitions. [2021-12-28 04:17:11,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:17:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 4324 transitions. [2021-12-28 04:17:11,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-28 04:17:11,065 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:17:11,066 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:17:11,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:17:11,068 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:17:11,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:17:11,069 INFO L85 PathProgramCache]: Analyzing trace with hash 365621927, now seen corresponding path program 1 times [2021-12-28 04:17:11,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:17:11,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357555660] [2021-12-28 04:17:11,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:17:11,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:17:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:17:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:17:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:17:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:17:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:17:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:17:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:17:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:17:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:17:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:17:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:17:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:17:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:17:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:17:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:17:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:17:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:17:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-28 04:17:11,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:17:11,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357555660] [2021-12-28 04:17:11,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357555660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:17:11,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:17:11,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:17:11,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139324486] [2021-12-28 04:17:11,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:17:11,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:17:11,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:17:11,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:17:11,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:17:11,942 INFO L87 Difference]: Start difference. First operand 2961 states and 4324 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-28 04:17:18,392 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 04:17:24,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 04:17:36,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:17:36,542 INFO L93 Difference]: Finished difference Result 8534 states and 12568 transitions. [2021-12-28 04:17:36,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:17:36,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 250 [2021-12-28 04:17:36,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:17:36,571 INFO L225 Difference]: With dead ends: 8534 [2021-12-28 04:17:36,571 INFO L226 Difference]: Without dead ends: 5610 [2021-12-28 04:17:36,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:17:36,582 INFO L933 BasicCegarLoop]: 4260 mSDtfsCounter, 6156 mSDsluCounter, 6125 mSDsCounter, 0 mSdLazyCounter, 5193 mSolverCounterSat, 4272 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6449 SdHoareTripleChecker+Valid, 10385 SdHoareTripleChecker+Invalid, 9466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4272 IncrementalHoareTripleChecker+Valid, 5193 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:17:36,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6449 Valid, 10385 Invalid, 9466 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4272 Valid, 5193 Invalid, 1 Unknown, 0 Unchecked, 23.8s Time] [2021-12-28 04:17:36,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5610 states. [2021-12-28 04:17:36,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5610 to 5166. [2021-12-28 04:17:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5166 states, 3659 states have (on average 1.3424432905165347) internal successors, (4912), 3766 states have internal predecessors, (4912), 1305 states have call successors, (1305), 202 states have call predecessors, (1305), 201 states have return successors, (1293), 1257 states have call predecessors, (1293), 1293 states have call successors, (1293) [2021-12-28 04:17:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 7510 transitions. [2021-12-28 04:17:36,813 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 7510 transitions. Word has length 250 [2021-12-28 04:17:36,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:17:36,815 INFO L470 AbstractCegarLoop]: Abstraction has 5166 states and 7510 transitions. [2021-12-28 04:17:36,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-28 04:17:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 7510 transitions. [2021-12-28 04:17:36,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-28 04:17:36,820 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:17:36,820 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:17:36,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:17:36,821 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:17:36,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:17:36,821 INFO L85 PathProgramCache]: Analyzing trace with hash 271586525, now seen corresponding path program 1 times [2021-12-28 04:17:36,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:17:36,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090315081] [2021-12-28 04:17:36,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:17:36,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:17:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:17:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:17:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:17:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:17:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:17:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:17:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:17:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:17:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:17:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:17:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:17:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:17:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:17:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:17:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:17:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:17:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:17:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-28 04:17:37,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:17:37,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090315081] [2021-12-28 04:17:37,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090315081] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:17:37,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:17:37,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:17:37,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426367546] [2021-12-28 04:17:37,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:17:37,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:17:37,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:17:37,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:17:37,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:17:37,609 INFO L87 Difference]: Start difference. First operand 5166 states and 7510 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)