./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 ff03de63 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-ff03de6 [2021-12-21 16:31:43,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:31:43,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:31:43,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:31:43,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:31:43,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:31:43,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:31:43,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:31:43,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:31:43,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:31:43,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:31:43,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:31:43,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:31:43,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:31:43,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:31:43,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:31:43,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:31:43,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:31:43,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:31:43,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:31:43,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:31:43,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:31:43,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:31:43,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:31:43,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:31:43,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:31:43,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:31:43,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:31:43,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:31:43,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:31:43,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:31:43,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:31:43,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:31:43,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:31:43,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:31:43,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:31:43,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:31:43,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:31:43,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:31:43,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:31:43,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:31:43,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:31:43,428 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:31:43,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:31:43,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:31:43,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:31:43,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:31:43,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:31:43,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:31:43,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:31:43,431 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:31:43,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:31:43,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:31:43,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:31:43,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:31:43,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:31:43,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:31:43,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:31:43,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:31:43,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:31:43,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:31:43,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:31:43,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:31:43,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:31:43,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:31:43,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:31:43,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:31:43,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:31:43,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:31:43,435 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:31:43,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:31:43,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:31:43,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:31:43,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 [2021-12-21 16:31:43,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:31:43,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:31:43,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:31:43,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:31:43,646 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:31:43,647 INFO L432 ainManager$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 [2021-12-21 16:31:43,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e92230a/cc4906e03daa4661911cbe9ab313f07d/FLAG0919d9d8c [2021-12-21 16:31:44,276 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:31:44,277 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 [2021-12-21 16:31:44,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e92230a/cc4906e03daa4661911cbe9ab313f07d/FLAG0919d9d8c [2021-12-21 16:31:44,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e92230a/cc4906e03daa4661911cbe9ab313f07d [2021-12-21 16:31:44,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:31:44,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:31:44,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:31:44,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:31:44,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:31:44,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:44,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286c64d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:44, skipping insertion in model container [2021-12-21 16:31:44,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:31:44" (1/1) ... [2021-12-21 16:31:44,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:31:44,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:31:47,202 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] [2021-12-21 16:31:47,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:31:47,543 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:31:47,908 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] [2021-12-21 16:31:47,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:31:48,091 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:31:48,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48 WrapperNode [2021-12-21 16:31:48,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:31:48,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:31:48,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:31:48,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:31:48,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,389 INFO L137 Inliner]: procedures = 565, calls = 3127, calls flagged for inlining = 257, calls inlined = 249, statements flattened = 8798 [2021-12-21 16:31:48,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:31:48,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:31:48,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:31:48,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:31:48,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:31:48,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:31:48,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:31:48,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:31:48,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (1/1) ... [2021-12-21 16:31:48,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:31:48,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:31:48,736 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) [2021-12-21 16:31:48,744 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 [2021-12-21 16:31:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2021-12-21 16:31:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2021-12-21 16:31:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_cursor_set [2021-12-21 16:31:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_cursor_set [2021-12-21 16:31:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:31:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:31:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:31:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:31:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure mga_pci_remove [2021-12-21 16:31:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_pci_remove [2021-12-21 16:31:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_load_lut [2021-12-21 16:31:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_load_lut [2021-12-21 16:31:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure mga_user_framebuffer_destroy [2021-12-21 16:31:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_user_framebuffer_destroy [2021-12-21 16:31:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2021-12-21 16:31:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2021-12-21 16:31:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-21 16:31:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-21 16:31:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-21 16:31:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-21 16:31:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-21 16:31:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-21 16:31:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-21 16:31:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-21 16:31:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-21 16:31:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-21 16:31:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:31:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:31:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2021-12-21 16:31:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2021-12-21 16:31:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_disable [2021-12-21 16:31:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_disable [2021-12-21 16:31:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-21 16:31:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-21 16:31:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-21 16:31:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-21 16:31:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-21 16:31:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-21 16:31:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:31:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:31:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_unpin [2021-12-21 16:31:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_unpin [2021-12-21 16:31:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:31:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure mga_dirty_update [2021-12-21 16:31:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_dirty_update [2021-12-21 16:31:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2021-12-21 16:31:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2021-12-21 16:31:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-12-21 16:31:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-12-21 16:31:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2021-12-21 16:31:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2021-12-21 16:31:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_dpms [2021-12-21 16:31:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_dpms [2021-12-21 16:31:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_driver_unload [2021-12-21 16:31:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_driver_unload [2021-12-21 16:31:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_tt_unpopulate [2021-12-21 16:31:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_tt_unpopulate [2021-12-21 16:31:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:31:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-12-21 16:31:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-12-21 16:31:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_prepare [2021-12-21 16:31:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_prepare [2021-12-21 16:31:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-12-21 16:31:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-12-21 16:31:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:31:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:31:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:31:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:31:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_apertures [2021-12-21 16:31:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_apertures [2021-12-21 16:31:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure mga_hide_cursor [2021-12-21 16:31:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_hide_cursor [2021-12-21 16:31:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference [2021-12-21 16:31:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference [2021-12-21 16:31:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_commit [2021-12-21 16:31:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_commit [2021-12-21 16:31:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:31:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:31:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:31:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2021-12-21 16:31:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2021-12-21 16:31:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_gem_free_object [2021-12-21 16:31:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_gem_free_object [2021-12-21 16:31:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:31:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_commit [2021-12-21 16:31:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_commit [2021-12-21 16:31:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-21 16:31:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-21 16:31:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 16:31:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 16:31:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:31:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:31:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_gem_create [2021-12-21 16:31:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_gem_create [2021-12-21 16:31:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:31:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:31:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-21 16:31:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-21 16:31:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_dpms [2021-12-21 16:31:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_dpms [2021-12-21 16:31:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure mga_vga_calculate_mode_bandwidth [2021-12-21 16:31:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_vga_calculate_mode_bandwidth [2021-12-21 16:31:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_destroy [2021-12-21 16:31:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_destroy [2021-12-21 16:31:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-21 16:31:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-21 16:31:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-21 16:31:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-21 16:31:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-12-21 16:31:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-12-21 16:31:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_pin [2021-12-21 16:31:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_pin [2021-12-21 16:31:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:31:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:31:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_placement [2021-12-21 16:31:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_placement [2021-12-21 16:31:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_cursor_move [2021-12-21 16:31:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_cursor_move [2021-12-21 16:31:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:31:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:31:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_mmap [2021-12-21 16:31:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_mmap [2021-12-21 16:31:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_unreserve [2021-12-21 16:31:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_unreserve [2021-12-21 16:31:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:31:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:31:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_push_sysram [2021-12-21 16:31:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_push_sysram [2021-12-21 16:31:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:31:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:31:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:31:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:31:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_set [2021-12-21 16:31:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_set [2021-12-21 16:31:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 16:31:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_gpu_offset [2021-12-21 16:31:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_gpu_offset [2021-12-21 16:31:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-21 16:31:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-21 16:31:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-21 16:31:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-21 16:31:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:31:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:31:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:31:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:31:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 16:31:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 16:31:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:31:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:31:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:31:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:31:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2021-12-21 16:31:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2021-12-21 16:31:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-21 16:31:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-21 16:31:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-21 16:31:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-21 16:31:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:31:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2021-12-21 16:31:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2021-12-21 16:31:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-12-21 16:31:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-21 16:31:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-21 16:31:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:31:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_fixup [2021-12-21 16:31:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_fixup [2021-12-21 16:31:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2021-12-21 16:31:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2021-12-21 16:31:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_backend_destroy [2021-12-21 16:31:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_backend_destroy [2021-12-21 16:31:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-21 16:31:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-21 16:31:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_create [2021-12-21 16:31:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_create [2021-12-21 16:31:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_do_set_base [2021-12-21 16:31:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_do_set_base [2021-12-21 16:31:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:31:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:31:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:31:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_reserve___0 [2021-12-21 16:31:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_reserve___0 [2021-12-21 16:31:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_destroy [2021-12-21 16:31:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_destroy [2021-12-21 16:31:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_prepare [2021-12-21 16:31:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_prepare [2021-12-21 16:31:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo [2021-12-21 16:31:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo [2021-12-21 16:31:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_gamma_set [2021-12-21 16:31:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_gamma_set [2021-12-21 16:31:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure mga_connector_destroy [2021-12-21 16:31:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_connector_destroy [2021-12-21 16:31:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-21 16:31:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-21 16:31:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_19 [2021-12-21 16:31:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_19 [2021-12-21 16:31:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure remove_conflicting_framebuffers [2021-12-21 16:31:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_conflicting_framebuffers [2021-12-21 16:31:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2021-12-21 16:31:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2021-12-21 16:31:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_framebuffer_init [2021-12-21 16:31:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_framebuffer_init [2021-12-21 16:31:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:31:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:31:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:31:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:31:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:31:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-12-21 16:31:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-12-21 16:31:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_reserve [2021-12-21 16:31:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_reserve [2021-12-21 16:31:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:31:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:31:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-21 16:31:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-21 16:31:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2021-12-21 16:31:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2021-12-21 16:31:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2021-12-21 16:31:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2021-12-21 16:31:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_set_base [2021-12-21 16:31:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_set_base [2021-12-21 16:31:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure mga_vga_detect [2021-12-21 16:31:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_vga_detect [2021-12-21 16:31:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2021-12-21 16:31:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2021-12-21 16:31:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure mga_i2c_set [2021-12-21 16:31:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_i2c_set [2021-12-21 16:31:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:31:49,571 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:31:49,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:31:49,926 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:32:01,515 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:32:01,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:32:01,538 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 16:32:01,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:32:01 BoogieIcfgContainer [2021-12-21 16:32:01,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:32:01,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:32:01,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:32:01,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:32:01,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:31:44" (1/3) ... [2021-12-21 16:32:01,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d888601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:32:01, skipping insertion in model container [2021-12-21 16:32:01,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:31:48" (2/3) ... [2021-12-21 16:32:01,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d888601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:32:01, skipping insertion in model container [2021-12-21 16:32:01,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:32:01" (3/3) ... [2021-12-21 16:32:01,550 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-12-21 16:32:01,555 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:32:01,555 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:32:01,611 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:32:01,620 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 [2021-12-21 16:32:01,620 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:32:01,678 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) [2021-12-21 16:32:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-21 16:32:01,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:32:01,698 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] [2021-12-21 16:32:01,699 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:32:01,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:32:01,703 INFO L85 PathProgramCache]: Analyzing trace with hash 543121941, now seen corresponding path program 1 times [2021-12-21 16:32:01,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:32:01,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517980249] [2021-12-21 16:32:01,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:32:01,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:32:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:32:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:32:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:32:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:32:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:32:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:32:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:32:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:32:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:32:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:32:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:32:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:32:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:32:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:32:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:32:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:32:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:32:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-21 16:32:02,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:32:02,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517980249] [2021-12-21 16:32:02,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517980249] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:32:02,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:32:02,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:32:02,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369573338] [2021-12-21 16:32:02,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:32:02,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:32:02,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:32:02,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:32:02,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:32:02,935 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) [2021-12-21 16:32:09,577 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 [] [2021-12-21 16:32:13,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-21 16:32:15,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-21 16:32:23,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:32:23,103 INFO L93 Difference]: Finished difference Result 6205 states and 9341 transitions. [2021-12-21 16:32:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:32:23,106 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 [2021-12-21 16:32:23,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:32:23,135 INFO L225 Difference]: With dead ends: 6205 [2021-12-21 16:32:23,136 INFO L226 Difference]: Without dead ends: 3179 [2021-12-21 16:32:23,156 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 [2021-12-21 16:32:23,160 INFO L933 BasicCegarLoop]: 4032 mSDtfsCounter, 1791 mSDsluCounter, 5031 mSDsCounter, 0 mSdLazyCounter, 3363 mSolverCounterSat, 2134 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 9063 SdHoareTripleChecker+Invalid, 5500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2134 IncrementalHoareTripleChecker+Valid, 3363 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:32:23,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1840 Valid, 9063 Invalid, 5500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2134 Valid, 3363 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2021-12-21 16:32:23,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2021-12-21 16:32:23,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 2961. [2021-12-21 16:32:23,387 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) [2021-12-21 16:32:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 4324 transitions. [2021-12-21 16:32:23,409 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 4324 transitions. Word has length 250 [2021-12-21 16:32:23,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:32:23,411 INFO L470 AbstractCegarLoop]: Abstraction has 2961 states and 4324 transitions. [2021-12-21 16:32:23,411 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) [2021-12-21 16:32:23,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 4324 transitions. [2021-12-21 16:32:23,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-21 16:32:23,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:32:23,418 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] [2021-12-21 16:32:23,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:32:23,419 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:32:23,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:32:23,419 INFO L85 PathProgramCache]: Analyzing trace with hash 365621927, now seen corresponding path program 1 times [2021-12-21 16:32:23,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:32:23,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069679370] [2021-12-21 16:32:23,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:32:23,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:32:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:32:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:32:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:32:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:32:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:32:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:32:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:32:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:32:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:32:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:32:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:32:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:32:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:32:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:32:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:32:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:32:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:32:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-21 16:32:24,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:32:24,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069679370] [2021-12-21 16:32:24,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069679370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:32:24,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:32:24,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:32:24,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052289414] [2021-12-21 16:32:24,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:32:24,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:32:24,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:32:24,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:32:24,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:32:24,159 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) [2021-12-21 16:32:30,503 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 []