./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--ast--ast.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--ast--ast.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 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:58:16,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:58:16,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:58:16,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:58:16,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:58:16,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:58:16,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:58:16,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:58:16,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:58:16,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:58:16,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:58:16,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:58:16,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:58:16,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:58:16,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:58:16,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:58:16,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:58:16,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:58:16,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:58:16,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:58:16,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:58:16,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:58:16,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:58:16,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:58:16,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:58:16,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:58:16,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:58:16,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:58:16,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:58:16,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:58:16,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:58:16,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:58:16,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:58:16,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:58:16,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:58:16,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:58:16,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:58:16,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:58:16,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:58:16,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:58:16,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:58:16,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:58:16,149 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:58:16,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:58:16,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:58:16,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:58:16,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:58:16,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:58:16,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:58:16,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:58:16,151 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:58:16,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:58:16,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:58:16,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:58:16,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:58:16,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:58:16,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:58:16,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:58:16,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:58:16,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:58:16,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:58:16,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:58:16,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:58:16,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:58:16,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:58:16,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:58:16,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:58:16,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:58:16,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:58:16,155 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:58:16,155 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:58:16,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:58:16,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:58:16,155 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a [2021-12-22 14:58:16,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:58:16,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:58:16,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:58:16,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:58:16,353 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:58:16,354 INFO L432 ainManager$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--ast--ast.ko-entry_point.cil.out.i [2021-12-22 14:58:16,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645c27b0b/8e435af8169a42b0bad64cd60f96bb95/FLAGb761c6324 [2021-12-22 14:58:17,147 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:58:17,148 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--ast--ast.ko-entry_point.cil.out.i [2021-12-22 14:58:17,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645c27b0b/8e435af8169a42b0bad64cd60f96bb95/FLAGb761c6324 [2021-12-22 14:58:17,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645c27b0b/8e435af8169a42b0bad64cd60f96bb95 [2021-12-22 14:58:17,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:58:17,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:58:17,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:58:17,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:58:17,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:58:17,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:58:17" (1/1) ... [2021-12-22 14:58:17,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e02d8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:17, skipping insertion in model container [2021-12-22 14:58:17,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:58:17" (1/1) ... [2021-12-22 14:58:17,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:58:17,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:58:20,305 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--ast--ast.ko-entry_point.cil.out.i[423705,423718] [2021-12-22 14:58:20,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:58:20,560 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:58:20,912 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--ast--ast.ko-entry_point.cil.out.i[423705,423718] [2021-12-22 14:58:20,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:58:21,175 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:58:21,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21 WrapperNode [2021-12-22 14:58:21,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:58:21,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:58:21,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:58:21,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:58:21,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,576 INFO L137 Inliner]: procedures = 649, calls = 4702, calls flagged for inlining = 324, calls inlined = 315, statements flattened = 11813 [2021-12-22 14:58:21,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:58:21,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:58:21,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:58:21,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:58:21,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:58:21,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:58:21,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:58:21,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:58:21,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (1/1) ... [2021-12-22 14:58:21,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:58:21,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:58:21,963 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 14:58:21,982 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 14:58:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2021-12-22 14:58:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2021-12-22 14:58:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2021-12-22 14:58:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2021-12-22 14:58:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2021-12-22 14:58:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2021-12-22 14:58:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 14:58:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 14:58:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2021-12-22 14:58:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2021-12-22 14:58:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:58:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:58:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2021-12-22 14:58:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2021-12-22 14:58:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2021-12-22 14:58:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2021-12-22 14:58:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2021-12-22 14:58:21,995 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2021-12-22 14:58:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-22 14:58:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-22 14:58:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:58:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:58:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2021-12-22 14:58:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2021-12-22 14:58:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-22 14:58:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2021-12-22 14:58:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2021-12-22 14:58:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2021-12-22 14:58:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2021-12-22 14:58:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2021-12-22 14:58:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2021-12-22 14:58:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2021-12-22 14:58:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-22 14:58:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2021-12-22 14:58:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2021-12-22 14:58:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2021-12-22 14:58:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:58:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:58:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:58:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:58:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2021-12-22 14:58:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2021-12-22 14:58:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2021-12-22 14:58:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2021-12-22 14:58:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:58:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2021-12-22 14:58:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2021-12-22 14:58:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2021-12-22 14:58:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2021-12-22 14:58:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2021-12-22 14:58:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2021-12-22 14:58:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:58:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:58:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2021-12-22 14:58:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2021-12-22 14:58:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2021-12-22 14:58:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2021-12-22 14:58:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-12-22 14:58:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-12-22 14:58:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2021-12-22 14:58:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2021-12-22 14:58:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2021-12-22 14:58:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2021-12-22 14:58:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2021-12-22 14:58:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2021-12-22 14:58:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:58:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2021-12-22 14:58:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2021-12-22 14:58:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-12-22 14:58:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-12-22 14:58:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-12-22 14:58:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-12-22 14:58:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:58:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2021-12-22 14:58:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2021-12-22 14:58:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2021-12-22 14:58:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2021-12-22 14:58:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2021-12-22 14:58:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2021-12-22 14:58:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:58:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2021-12-22 14:58:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2021-12-22 14:58:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-22 14:58:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-22 14:58:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2021-12-22 14:58:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2021-12-22 14:58:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2021-12-22 14:58:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2021-12-22 14:58:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 14:58:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 14:58:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:58:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2021-12-22 14:58:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2021-12-22 14:58:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:58:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2021-12-22 14:58:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2021-12-22 14:58:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-22 14:58:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2021-12-22 14:58:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 14:58:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 14:58:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:58:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:58:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2021-12-22 14:58:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2021-12-22 14:58:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:58:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:58:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2021-12-22 14:58:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2021-12-22 14:58:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2021-12-22 14:58:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2021-12-22 14:58:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2021-12-22 14:58:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2021-12-22 14:58:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-12-22 14:58:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-12-22 14:58:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2021-12-22 14:58:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2021-12-22 14:58:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:58:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:58:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2021-12-22 14:58:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2021-12-22 14:58:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:58:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:58:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:58:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:58:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:58:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:58:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:58:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:58:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2021-12-22 14:58:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2021-12-22 14:58:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2021-12-22 14:58:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2021-12-22 14:58:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2021-12-22 14:58:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2021-12-22 14:58:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 14:58:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2021-12-22 14:58:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2021-12-22 14:58:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2021-12-22 14:58:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2021-12-22 14:58:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-22 14:58:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2021-12-22 14:58:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-22 14:58:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-22 14:58:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2021-12-22 14:58:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2021-12-22 14:58:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2021-12-22 14:58:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2021-12-22 14:58:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:58:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:58:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:58:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:58:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2021-12-22 14:58:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2021-12-22 14:58:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 14:58:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 14:58:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:58:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:58:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2021-12-22 14:58:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2021-12-22 14:58:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2021-12-22 14:58:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2021-12-22 14:58:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 14:58:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 14:58:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 14:58:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 14:58:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:58:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2021-12-22 14:58:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2021-12-22 14:58:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_54 [2021-12-22 14:58:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_54 [2021-12-22 14:58:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-12-22 14:58:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-22 14:58:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2021-12-22 14:58:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:58:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2021-12-22 14:58:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2021-12-22 14:58:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-22 14:58:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-22 14:58:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2021-12-22 14:58:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2021-12-22 14:58:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2021-12-22 14:58:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2021-12-22 14:58:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:58:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2021-12-22 14:58:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2021-12-22 14:58:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:58:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:58:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2021-12-22 14:58:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2021-12-22 14:58:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2021-12-22 14:58:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2021-12-22 14:58:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2021-12-22 14:58:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2021-12-22 14:58:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2021-12-22 14:58:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2021-12-22 14:58:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2021-12-22 14:58:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2021-12-22 14:58:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2021-12-22 14:58:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2021-12-22 14:58:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2021-12-22 14:58:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2021-12-22 14:58:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2021-12-22 14:58:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2021-12-22 14:58:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2021-12-22 14:58:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2021-12-22 14:58:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2021-12-22 14:58:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2021-12-22 14:58:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2021-12-22 14:58:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2021-12-22 14:58:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2021-12-22 14:58:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2021-12-22 14:58:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2021-12-22 14:58:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2021-12-22 14:58:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2021-12-22 14:58:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2021-12-22 14:58:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:58:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:58:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:58:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2021-12-22 14:58:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2021-12-22 14:58:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2021-12-22 14:58:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2021-12-22 14:58:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2021-12-22 14:58:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2021-12-22 14:58:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:58:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:58:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-12-22 14:58:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-12-22 14:58:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 14:58:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 14:58:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2021-12-22 14:58:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2021-12-22 14:58:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-22 14:58:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-22 14:58:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2021-12-22 14:58:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2021-12-22 14:58:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-22 14:58:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-22 14:58:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2021-12-22 14:58:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2021-12-22 14:58:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-22 14:58:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-22 14:58:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2021-12-22 14:58:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2021-12-22 14:58:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2021-12-22 14:58:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2021-12-22 14:58:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 14:58:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 14:58:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2021-12-22 14:58:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2021-12-22 14:58:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2021-12-22 14:58:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2021-12-22 14:58:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2021-12-22 14:58:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2021-12-22 14:58:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:58:23,027 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:58:23,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:58:23,194 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:58:32,248 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:58:32,297 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:58:32,298 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 14:58:32,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:58:32 BoogieIcfgContainer [2021-12-22 14:58:32,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:58:32,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:58:32,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:58:32,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:58:32,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:58:17" (1/3) ... [2021-12-22 14:58:32,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67feec24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:58:32, skipping insertion in model container [2021-12-22 14:58:32,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:21" (2/3) ... [2021-12-22 14:58:32,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67feec24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:58:32, skipping insertion in model container [2021-12-22 14:58:32,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:58:32" (3/3) ... [2021-12-22 14:58:32,309 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2021-12-22 14:58:32,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:58:32,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:58:32,372 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:58:32,378 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 14:58:32,378 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:58:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 3427 states, 2417 states have (on average 1.419528340918494) internal successors, (3431), 2508 states have internal predecessors, (3431), 891 states have call successors, (891), 118 states have call predecessors, (891), 117 states have return successors, (873), 850 states have call predecessors, (873), 873 states have call successors, (873) [2021-12-22 14:58:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-22 14:58:32,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:58:32,518 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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 14:58:32,518 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:58:32,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:58:32,522 INFO L85 PathProgramCache]: Analyzing trace with hash 179383820, now seen corresponding path program 1 times [2021-12-22 14:58:32,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:58:32,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81246292] [2021-12-22 14:58:32,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:58:32,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:58:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:58:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:58:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:58:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:58:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:58:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:58:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:58:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:58:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:58:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:58:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:58:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:58:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 14:58:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:58:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 14:58:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 14:58:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 14:58:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-22 14:58:33,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:58:33,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81246292] [2021-12-22 14:58:33,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81246292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:58:33,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:58:33,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:58:33,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413416702] [2021-12-22 14:58:33,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:58:33,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:58:33,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:58:33,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:58:33,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:58:33,641 INFO L87 Difference]: Start difference. First operand has 3427 states, 2417 states have (on average 1.419528340918494) internal successors, (3431), 2508 states have internal predecessors, (3431), 891 states have call successors, (891), 118 states have call predecessors, (891), 117 states have return successors, (873), 850 states have call predecessors, (873), 873 states have call successors, (873) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 14:58:38,013 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 [] [2021-12-22 14:58:39,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:42,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:56,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:58:56,138 INFO L93 Difference]: Finished difference Result 7137 states and 11032 transitions. [2021-12-22 14:58:56,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:58:56,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 218 [2021-12-22 14:58:56,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:58:56,179 INFO L225 Difference]: With dead ends: 7137 [2021-12-22 14:58:56,179 INFO L226 Difference]: Without dead ends: 3689 [2021-12-22 14:58:56,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:58:56,214 INFO L933 BasicCegarLoop]: 5038 mSDtfsCounter, 1862 mSDsluCounter, 4715 mSDsCounter, 0 mSdLazyCounter, 2943 mSolverCounterSat, 2293 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 9753 SdHoareTripleChecker+Invalid, 5238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2293 IncrementalHoareTripleChecker+Valid, 2943 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-12-22 14:58:56,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1931 Valid, 9753 Invalid, 5238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2293 Valid, 2943 Invalid, 2 Unknown, 0 Unchecked, 21.9s Time] [2021-12-22 14:58:56,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2021-12-22 14:58:56,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 3401. [2021-12-22 14:58:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3401 states, 2411 states have (on average 1.4110327664869349) internal successors, (3402), 2482 states have internal predecessors, (3402), 873 states have call successors, (873), 117 states have call predecessors, (873), 116 states have return successors, (861), 838 states have call predecessors, (861), 861 states have call successors, (861) [2021-12-22 14:58:56,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3401 states and 5136 transitions. [2021-12-22 14:58:56,557 INFO L78 Accepts]: Start accepts. Automaton has 3401 states and 5136 transitions. Word has length 218 [2021-12-22 14:58:56,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:58:56,558 INFO L470 AbstractCegarLoop]: Abstraction has 3401 states and 5136 transitions. [2021-12-22 14:58:56,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 14:58:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 5136 transitions. [2021-12-22 14:58:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-22 14:58:56,564 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:58:56,565 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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 14:58:56,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:58:56,565 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:58:56,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:58:56,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1703704930, now seen corresponding path program 1 times [2021-12-22 14:58:56,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:58:56,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838023873] [2021-12-22 14:58:56,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:58:56,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:58:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:56,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:58:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:56,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:58:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:58:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:58:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:58:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:58:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:58:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:58:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:58:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:58:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:58:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:58:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 14:58:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:58:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 14:58:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 14:58:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 14:58:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:57,290 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-22 14:58:57,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:58:57,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838023873] [2021-12-22 14:58:57,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838023873] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:58:57,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:58:57,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:58:57,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176336986] [2021-12-22 14:58:57,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:58:57,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:58:57,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:58:57,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:58:57,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:58:57,301 INFO L87 Difference]: Start difference. First operand 3401 states and 5136 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-22 14:59:01,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:59:20,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:59:20,106 INFO L93 Difference]: Finished difference Result 10628 states and 16217 transitions. [2021-12-22 14:59:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:59:20,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 218 [2021-12-22 14:59:20,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:59:20,149 INFO L225 Difference]: With dead ends: 10628 [2021-12-22 14:59:20,150 INFO L226 Difference]: Without dead ends: 7264 [2021-12-22 14:59:20,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:59:20,166 INFO L933 BasicCegarLoop]: 5654 mSDtfsCounter, 7225 mSDsluCounter, 9327 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 4820 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7893 SdHoareTripleChecker+Valid, 14981 SdHoareTripleChecker+Invalid, 10282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4820 IncrementalHoareTripleChecker+Valid, 5461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-12-22 14:59:20,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7893 Valid, 14981 Invalid, 10282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4820 Valid, 5461 Invalid, 1 Unknown, 0 Unchecked, 22.3s Time] [2021-12-22 14:59:20,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7264 states. [2021-12-22 14:59:20,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7264 to 6681. [2021-12-22 14:59:20,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6681 states, 4752 states have (on average 1.4145622895622896) internal successors, (6722), 4883 states have internal predecessors, (6722), 1696 states have call successors, (1696), 233 states have call predecessors, (1696), 232 states have return successors, (1684), 1638 states have call predecessors, (1684), 1684 states have call successors, (1684) [2021-12-22 14:59:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6681 states to 6681 states and 10102 transitions. [2021-12-22 14:59:20,475 INFO L78 Accepts]: Start accepts. Automaton has 6681 states and 10102 transitions. Word has length 218 [2021-12-22 14:59:20,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:59:20,478 INFO L470 AbstractCegarLoop]: Abstraction has 6681 states and 10102 transitions. [2021-12-22 14:59:20,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-22 14:59:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 6681 states and 10102 transitions. [2021-12-22 14:59:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-12-22 14:59:20,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:59:20,482 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:59:20,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:59:20,482 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:59:20,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:59:20,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2023027615, now seen corresponding path program 1 times [2021-12-22 14:59:20,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:59:20,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998282740] [2021-12-22 14:59:20,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:59:20,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:59:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:59:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:59:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:59:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:59:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:59:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:59:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:59:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:59:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:59:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:59:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:59:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:59:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 14:59:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:59:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 14:59:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 14:59:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 14:59:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2021-12-22 14:59:21,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:59:21,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998282740] [2021-12-22 14:59:21,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998282740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:59:21,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:59:21,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:59:21,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145977639] [2021-12-22 14:59:21,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:59:21,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:59:21,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:59:21,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:59:21,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:59:21,207 INFO L87 Difference]: Start difference. First operand 6681 states and 10102 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19)