./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 e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-e19ca92 [2021-12-22 14:58:21,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:58:21,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:58:21,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:58:21,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:58:21,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:58:21,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:58:21,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:58:21,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:58:21,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:58:21,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:58:21,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:58:21,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:58:21,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:58:21,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:58:21,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:58:21,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:58:21,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:58:21,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:58:21,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:58:21,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:58:21,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:58:21,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:58:21,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:58:21,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:58:21,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:58:21,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:58:21,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:58:21,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:58:21,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:58:21,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:58:21,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:58:21,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:58:21,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:58:21,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:58:21,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:58:21,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:58:21,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:58:21,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:58:21,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:58:21,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:58:21,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:58:21,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:58:21,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:58:21,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:58:21,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:58:21,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:58:21,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:58:21,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:58:21,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:58:21,483 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:58:21,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:58:21,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:58:21,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:58:21,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:58:21,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:58:21,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:58:21,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:58:21,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:58:21,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:58:21,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:58:21,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:58:21,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:58:21,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:58:21,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:58:21,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:58:21,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:58:21,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:58:21,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:58:21,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:58:21,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:58:21,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:58:21,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:58:21,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 [2021-12-22 14:58:21,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:58:21,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:58:21,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:58:21,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:58:21,726 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:58:21,728 INFO L432 ainManager$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 [2021-12-22 14:58:21,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9795309/6f426d0e14654693a6f35dadd89c9afe/FLAGd674f6b14 [2021-12-22 14:58:22,528 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:58:22,528 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 [2021-12-22 14:58:22,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9795309/6f426d0e14654693a6f35dadd89c9afe/FLAGd674f6b14 [2021-12-22 14:58:22,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9795309/6f426d0e14654693a6f35dadd89c9afe [2021-12-22 14:58:22,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:58:22,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:58:22,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:58:22,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:58:22,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:58:22,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:58:22" (1/1) ... [2021-12-22 14:58:22,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3734194b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:22, skipping insertion in model container [2021-12-22 14:58:22,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:58:22" (1/1) ... [2021-12-22 14:58:22,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:58:22,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:58:26,272 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] [2021-12-22 14:58:26,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:58:26,641 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:58:27,113 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] [2021-12-22 14:58:27,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:58:27,384 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:58:27,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27 WrapperNode [2021-12-22 14:58:27,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:58:27,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:58:27,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:58:27,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:58:27,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:27,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:27,762 INFO L137 Inliner]: procedures = 565, calls = 3127, calls flagged for inlining = 257, calls inlined = 249, statements flattened = 8798 [2021-12-22 14:58:27,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:58:27,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:58:27,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:58:27,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:58:27,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:27,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:27,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:27,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:27,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:27,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:28,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:28,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:58:28,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:58:28,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:58:28,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:58:28,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (1/1) ... [2021-12-22 14:58:28,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:58:28,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:58:28,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:58:28,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:58:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2021-12-22 14:58:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2021-12-22 14:58:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_cursor_set [2021-12-22 14:58:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_cursor_set [2021-12-22 14:58:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 14:58:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 14:58:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:58:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:58:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure mga_pci_remove [2021-12-22 14:58:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_pci_remove [2021-12-22 14:58:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_load_lut [2021-12-22 14:58:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_load_lut [2021-12-22 14:58:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure mga_user_framebuffer_destroy [2021-12-22 14:58:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_user_framebuffer_destroy [2021-12-22 14:58:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2021-12-22 14:58:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2021-12-22 14:58:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-22 14:58:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-22 14:58:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-22 14:58:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-22 14:58:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-22 14:58:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-22 14:58:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-22 14:58:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-22 14:58:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 14:58:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 14:58:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:58:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:58:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2021-12-22 14:58:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2021-12-22 14:58:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_disable [2021-12-22 14:58:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_disable [2021-12-22 14:58:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-22 14:58:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-22 14:58:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-22 14:58:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-22 14:58:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 14:58:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 14:58:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:58:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:58:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_unpin [2021-12-22 14:58:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_unpin [2021-12-22 14:58:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:58:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure mga_dirty_update [2021-12-22 14:58:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_dirty_update [2021-12-22 14:58:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2021-12-22 14:58:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2021-12-22 14:58:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-12-22 14:58:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-12-22 14:58:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2021-12-22 14:58:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2021-12-22 14:58:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_dpms [2021-12-22 14:58:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_dpms [2021-12-22 14:58:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_driver_unload [2021-12-22 14:58:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_driver_unload [2021-12-22 14:58:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_tt_unpopulate [2021-12-22 14:58:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_tt_unpopulate [2021-12-22 14:58:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:58:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-12-22 14:58:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-12-22 14:58:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_prepare [2021-12-22 14:58:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_prepare [2021-12-22 14:58:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-12-22 14:58:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-12-22 14:58:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:58:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:58:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:58:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:58:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_apertures [2021-12-22 14:58:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_apertures [2021-12-22 14:58:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure mga_hide_cursor [2021-12-22 14:58:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_hide_cursor [2021-12-22 14:58:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference [2021-12-22 14:58:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference [2021-12-22 14:58:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_commit [2021-12-22 14:58:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_commit [2021-12-22 14:58:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 14:58:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 14:58:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:58:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2021-12-22 14:58:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2021-12-22 14:58:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_gem_free_object [2021-12-22 14:58:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_gem_free_object [2021-12-22 14:58:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:58:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_commit [2021-12-22 14:58:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_commit [2021-12-22 14:58:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-22 14:58:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-22 14:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 14:58:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 14:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:58:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_gem_create [2021-12-22 14:58:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_gem_create [2021-12-22 14:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-22 14:58:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-22 14:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_dpms [2021-12-22 14:58:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_dpms [2021-12-22 14:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure mga_vga_calculate_mode_bandwidth [2021-12-22 14:58:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_vga_calculate_mode_bandwidth [2021-12-22 14:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_destroy [2021-12-22 14:58:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_destroy [2021-12-22 14:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-22 14:58:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-22 14:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-22 14:58:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-22 14:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-12-22 14:58:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-12-22 14:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_pin [2021-12-22 14:58:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_pin [2021-12-22 14:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:58:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_placement [2021-12-22 14:58:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_placement [2021-12-22 14:58:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_cursor_move [2021-12-22 14:58:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_cursor_move [2021-12-22 14:58:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:58:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:58:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_mmap [2021-12-22 14:58:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_mmap [2021-12-22 14:58:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_unreserve [2021-12-22 14:58:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_unreserve [2021-12-22 14:58:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:58:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:58:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_push_sysram [2021-12-22 14:58:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_push_sysram [2021-12-22 14:58:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:58:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:58:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:58:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:58:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_set [2021-12-22 14:58:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_set [2021-12-22 14:58:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 14:58:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_gpu_offset [2021-12-22 14:58:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_gpu_offset [2021-12-22 14:58:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-22 14:58:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-22 14:58:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-22 14:58:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-22 14:58:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:58:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:58:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:58:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:58:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 14:58:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 14:58:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:58:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:58:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:58:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:58:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2021-12-22 14:58:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2021-12-22 14:58:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 14:58:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 14:58:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 14:58:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 14:58:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:58:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2021-12-22 14:58:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2021-12-22 14:58:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-12-22 14:58:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-22 14:58:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-22 14:58:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:58:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_fixup [2021-12-22 14:58:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_fixup [2021-12-22 14:58:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2021-12-22 14:58:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2021-12-22 14:58:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_ttm_backend_destroy [2021-12-22 14:58:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_ttm_backend_destroy [2021-12-22 14:58:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-22 14:58:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-22 14:58:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_create [2021-12-22 14:58:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_create [2021-12-22 14:58:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_do_set_base [2021-12-22 14:58:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_do_set_base [2021-12-22 14:58:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:58:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:58:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:58:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_reserve___0 [2021-12-22 14:58:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_reserve___0 [2021-12-22 14:58:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure mga_encoder_destroy [2021-12-22 14:58:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_encoder_destroy [2021-12-22 14:58:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_prepare [2021-12-22 14:58:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_prepare [2021-12-22 14:58:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo [2021-12-22 14:58:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo [2021-12-22 14:58:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_gamma_set [2021-12-22 14:58:28,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_gamma_set [2021-12-22 14:58:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure mga_connector_destroy [2021-12-22 14:58:28,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_connector_destroy [2021-12-22 14:58:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-22 14:58:28,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-22 14:58:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_19 [2021-12-22 14:58:28,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_19 [2021-12-22 14:58:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure remove_conflicting_framebuffers [2021-12-22 14:58:28,244 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_conflicting_framebuffers [2021-12-22 14:58:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2021-12-22 14:58:28,244 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2021-12-22 14:58:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_framebuffer_init [2021-12-22 14:58:28,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_framebuffer_init [2021-12-22 14:58:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:58:28,244 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:58:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:58:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:58:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:58:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-12-22 14:58:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-12-22 14:58:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure mgag200_bo_reserve [2021-12-22 14:58:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mgag200_bo_reserve [2021-12-22 14:58:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 14:58:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 14:58:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-22 14:58:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-22 14:58:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2021-12-22 14:58:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2021-12-22 14:58:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2021-12-22 14:58:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2021-12-22 14:58:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure mga_crtc_mode_set_base [2021-12-22 14:58:28,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_crtc_mode_set_base [2021-12-22 14:58:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure mga_vga_detect [2021-12-22 14:58:28,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_vga_detect [2021-12-22 14:58:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2021-12-22 14:58:28,247 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2021-12-22 14:58:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure mga_i2c_set [2021-12-22 14:58:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mga_i2c_set [2021-12-22 14:58:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:58:29,268 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:58:29,273 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:58:29,748 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:58:43,368 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:58:43,396 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:58:43,396 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 14:58:43,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:58:43 BoogieIcfgContainer [2021-12-22 14:58:43,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:58:43,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:58:43,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:58:43,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:58:43,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:58:22" (1/3) ... [2021-12-22 14:58:43,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caf4cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:58:43, skipping insertion in model container [2021-12-22 14:58:43,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:27" (2/3) ... [2021-12-22 14:58:43,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caf4cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:58:43, skipping insertion in model container [2021-12-22 14:58:43,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:58:43" (3/3) ... [2021-12-22 14:58:43,409 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-12-22 14:58:43,416 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:58:43,417 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:58:43,476 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:58:43,480 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:58:43,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:58:43,551 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) [2021-12-22 14:58:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-22 14:58:43,567 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:58:43,568 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] [2021-12-22 14:58:43,568 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:58:43,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:58:43,572 INFO L85 PathProgramCache]: Analyzing trace with hash 543121941, now seen corresponding path program 1 times [2021-12-22 14:58:43,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:58:43,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936466559] [2021-12-22 14:58:43,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:58:43,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:58:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:58:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:58:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:58:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:58:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:58:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:58:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:58:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:58:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:58:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:58:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 14:58:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 14:58:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 14:58:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 14:58:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:45,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:45,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 14:58:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:45,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 14:58:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:45,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 14:58:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-22 14:58:45,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:58:45,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936466559] [2021-12-22 14:58:45,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936466559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:58:45,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:58:45,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:58:45,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414194850] [2021-12-22 14:58:45,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:58:45,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:58:45,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:58:45,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:58:45,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:58:45,148 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) [2021-12-22 14:58:52,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:59:02,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:59:02,233 INFO L93 Difference]: Finished difference Result 6205 states and 9341 transitions. [2021-12-22 14:59:02,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:59:02,236 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 [2021-12-22 14:59:02,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:59:02,275 INFO L225 Difference]: With dead ends: 6205 [2021-12-22 14:59:02,275 INFO L226 Difference]: Without dead ends: 3179 [2021-12-22 14:59:02,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:59:02,301 INFO L933 BasicCegarLoop]: 4026 mSDtfsCounter, 1791 mSDsluCounter, 5022 mSDsCounter, 0 mSdLazyCounter, 3357 mSolverCounterSat, 2134 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 9048 SdHoareTripleChecker+Invalid, 5492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2134 IncrementalHoareTripleChecker+Valid, 3357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2021-12-22 14:59:02,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1840 Valid, 9048 Invalid, 5492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2134 Valid, 3357 Invalid, 1 Unknown, 0 Unchecked, 16.4s Time] [2021-12-22 14:59:02,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2021-12-22 14:59:02,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 2961. [2021-12-22 14:59:02,550 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) [2021-12-22 14:59:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 4324 transitions. [2021-12-22 14:59:02,572 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 4324 transitions. Word has length 250 [2021-12-22 14:59:02,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:59:02,573 INFO L470 AbstractCegarLoop]: Abstraction has 2961 states and 4324 transitions. [2021-12-22 14:59:02,573 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) [2021-12-22 14:59:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 4324 transitions. [2021-12-22 14:59:02,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-22 14:59:02,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:59:02,578 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] [2021-12-22 14:59:02,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:59:02,578 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:59:02,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:59:02,579 INFO L85 PathProgramCache]: Analyzing trace with hash 365621927, now seen corresponding path program 1 times [2021-12-22 14:59:02,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:59:02,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979938062] [2021-12-22 14:59:02,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:59:02,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:59:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:59:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:02,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:59:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:02,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:59:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:59:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:59:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:59:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:59:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:59:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:59:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:59:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 14:59:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 14:59:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 14:59:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 14:59:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 14:59:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 14:59:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 14:59:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-22 14:59:03,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:59:03,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979938062] [2021-12-22 14:59:03,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979938062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:59:03,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:59:03,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:59:03,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691911415] [2021-12-22 14:59:03,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:59:03,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:59:03,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:59:03,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:59:03,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:59:03,485 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) [2021-12-22 14:59:10,291 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 []