./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.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 d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:08:36,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:08:36,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:08:36,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:08:36,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:08:36,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:08:36,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:08:36,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:08:36,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:08:36,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:08:36,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:08:36,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:08:36,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:08:36,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:08:36,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:08:36,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:08:36,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:08:36,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:08:36,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:08:36,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:08:36,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:08:36,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:08:36,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:08:36,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:08:36,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:08:36,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:08:36,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:08:36,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:08:36,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:08:36,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:08:36,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:08:36,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:08:36,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:08:36,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:08:36,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:08:36,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:08:36,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:08:36,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:08:36,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:08:36,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:08:36,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:08:36,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:08:36,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:08:36,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:08:36,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:08:36,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:08:36,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:08:36,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:08:36,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:08:36,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:08:36,818 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:08:36,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:08:36,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:08:36,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:08:36,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:08:36,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:08:36,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:08:36,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:08:36,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:08:36,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:08:36,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:08:36,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:08:36,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:08:36,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:08:36,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:08:36,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:08:36,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:08:36,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:08:36,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:08:36,821 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:08:36,821 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:08:36,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:08:36,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 [2021-12-28 04:08:37,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:08:37,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:08:37,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:08:37,056 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:08:37,056 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:08:37,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-28 04:08:37,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cd09f95/6e5b3c435a8148e8b51e8655a651a766/FLAGc1b1f228a [2021-12-28 04:08:37,801 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:08:37,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-28 04:08:37,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cd09f95/6e5b3c435a8148e8b51e8655a651a766/FLAGc1b1f228a [2021-12-28 04:08:38,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cd09f95/6e5b3c435a8148e8b51e8655a651a766 [2021-12-28 04:08:38,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:08:38,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:08:38,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:08:38,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:08:38,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:08:38,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:08:38" (1/1) ... [2021-12-28 04:08:38,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7466b78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:38, skipping insertion in model container [2021-12-28 04:08:38,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:08:38" (1/1) ... [2021-12-28 04:08:38,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:08:38,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:08:40,414 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-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2021-12-28 04:08:40,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:08:40,550 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:08:40,872 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-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2021-12-28 04:08:40,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:08:41,076 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:08:41,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41 WrapperNode [2021-12-28 04:08:41,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:08:41,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:08:41,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:08:41,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:08:41,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,414 INFO L137 Inliner]: procedures = 425, calls = 5273, calls flagged for inlining = 151, calls inlined = 134, statements flattened = 10143 [2021-12-28 04:08:41,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:08:41,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:08:41,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:08:41,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:08:41,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:08:41,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:08:41,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:08:41,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:08:41,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (1/1) ... [2021-12-28 04:08:41,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:08:41,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:08:41,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:08:41,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:08:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-28 04:08:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-28 04:08:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2021-12-28 04:08:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2021-12-28 04:08:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-28 04:08:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-28 04:08:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-28 04:08:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-28 04:08:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:08:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:08:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-28 04:08:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-28 04:08:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:08:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:08:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-12-28 04:08:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-12-28 04:08:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-28 04:08:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-28 04:08:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-12-28 04:08:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-12-28 04:08:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-12-28 04:08:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-12-28 04:08:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-12-28 04:08:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-12-28 04:08:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-12-28 04:08:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-12-28 04:08:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-28 04:08:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-28 04:08:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-28 04:08:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:08:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:08:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-12-28 04:08:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-12-28 04:08:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-28 04:08:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-28 04:08:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-12-28 04:08:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-12-28 04:08:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:08:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:08:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-28 04:08:41,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-28 04:08:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:08:41,936 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:08:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:08:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-12-28 04:08:41,936 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-12-28 04:08:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-28 04:08:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-28 04:08:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-12-28 04:08:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-12-28 04:08:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-28 04:08:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-28 04:08:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:08:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:08:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-28 04:08:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-28 04:08:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:08:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-12-28 04:08:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-12-28 04:08:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:08:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2021-12-28 04:08:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2021-12-28 04:08:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-28 04:08:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-28 04:08:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-12-28 04:08:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-12-28 04:08:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:08:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-12-28 04:08:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:08:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-28 04:08:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:08:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-12-28 04:08:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-28 04:08:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-12-28 04:08:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-12-28 04:08:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-28 04:08:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-28 04:08:42,000 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 04:08:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 04:08:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:08:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:08:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-28 04:08:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-28 04:08:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:08:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:08:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-12-28 04:08:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-12-28 04:08:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-12-28 04:08:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-12-28 04:08:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-28 04:08:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-28 04:08:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:08:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-12-28 04:08:42,001 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-12-28 04:08:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-28 04:08:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-12-28 04:08:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-12-28 04:08:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-12-28 04:08:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-12-28 04:08:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-28 04:08:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-12-28 04:08:42,002 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-12-28 04:08:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-28 04:08:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-28 04:08:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-12-28 04:08:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-12-28 04:08:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-12-28 04:08:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-12-28 04:08:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-12-28 04:08:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-12-28 04:08:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-28 04:08:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-28 04:08:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-28 04:08:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-28 04:08:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-12-28 04:08:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-12-28 04:08:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-28 04:08:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-28 04:08:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-12-28 04:08:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-12-28 04:08:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:08:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:08:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:08:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-28 04:08:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-12-28 04:08:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-28 04:08:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 04:08:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:08:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:08:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:08:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-28 04:08:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-28 04:08:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-12-28 04:08:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-12-28 04:08:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-12-28 04:08:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-12-28 04:08:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-12-28 04:08:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-12-28 04:08:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:08:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:08:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-28 04:08:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-28 04:08:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:08:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:08:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-12-28 04:08:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-12-28 04:08:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-28 04:08:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-28 04:08:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:08:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:08:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:08:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-28 04:08:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 04:08:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-28 04:08:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-28 04:08:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-28 04:08:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-28 04:08:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-12-28 04:08:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-28 04:08:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:08:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:08:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-28 04:08:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 04:08:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-28 04:08:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-28 04:08:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-12-28 04:08:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-12-28 04:08:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-28 04:08:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-12-28 04:08:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-12-28 04:08:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:08:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:08:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-28 04:08:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-28 04:08:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:08:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-28 04:08:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-28 04:08:42,755 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:08:42,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:08:43,146 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:08:43,208 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume 0 != ~tmp___1~2;#res := ~ret~3; [2021-12-28 04:08:43,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume !(0 != ~tmp___1~2);#res := ~ret~3; [2021-12-28 04:08:43,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801: havoc #t~switch120; [2021-12-28 04:08:43,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume #t~switch120; [2021-12-28 04:08:43,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume !#t~switch120;#t~switch120 := true; [2021-12-28 04:08:43,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume 0 != ~tmp___0~8;#res := ~ret~3; [2021-12-28 04:08:43,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2021-12-28 04:08:43,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume #t~switch120; [2021-12-28 04:08:43,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume !#t~switch120;#t~switch120 := #t~switch120 || 16 == ~size; [2021-12-28 04:08:43,210 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch120;#res := ~ret~3; [2021-12-28 04:08:43,210 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume #t~switch120;#res := ~ret~3; [2021-12-28 04:08:43,210 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume !#t~switch120;#t~switch120 := #t~switch120 || 10 == ~size; [2021-12-28 04:08:43,210 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch120;#t~switch120 := #t~switch120 || 2 == ~size; [2021-12-28 04:08:43,210 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume #t~switch120;#res := ~ret~3; [2021-12-28 04:08:43,210 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume !#t~switch120;#t~switch120 := #t~switch120 || 8 == ~size; [2021-12-28 04:08:43,210 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3843-1: ~tmp___2~1 := #t~ret123;havoc #t~ret123;#res := (if ~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then ~tmp___2~1 % 18446744073709551616 % 4294967296 else ~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-28 04:08:43,210 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3843: SUMMARY for call #t~ret123 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2021-12-28 04:08:43,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume #t~switch120;#res := ~ret~3; [2021-12-28 04:08:43,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume !#t~switch120;#t~switch120 := #t~switch120 || 4 == ~size; [2021-12-28 04:08:43,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833-1: assume -9223372036854775808 <= #t~ret122 && #t~ret122 <= 9223372036854775807;~tmp___1~2 := #t~ret122;havoc #t~ret122; [2021-12-28 04:08:43,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833: SUMMARY for call #t~ret122 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2021-12-28 04:08:43,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-1: assume -9223372036854775808 <= #t~ret121 && #t~ret121 <= 9223372036854775807;~tmp___0~8 := #t~ret121;havoc #t~ret121; [2021-12-28 04:08:43,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821: SUMMARY for call #t~ret121 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2021-12-28 04:08:43,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume #t~switch120; [2021-12-28 04:08:43,211 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume !#t~switch120; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3736: havoc __copy_from_user_#t~switch115#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 4 == __copy_from_user_~size#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 8 == __copy_from_user_~size#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 10 == __copy_from_user_~size#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume __copy_from_user_#t~switch115#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 16 == __copy_from_user_~size#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3761-1: assume -9223372036854775808 <= __copy_from_user_#t~ret116#1 && __copy_from_user_#t~ret116#1 <= 9223372036854775807;__copy_from_user_~tmp___0~7#1 := __copy_from_user_#t~ret116#1;havoc __copy_from_user_#t~ret116#1; [2021-12-28 04:08:48,834 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3761: SUMMARY for call __copy_from_user_#t~ret116#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume 0 != __copy_from_user_~tmp___0~7#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume !(0 != __copy_from_user_~tmp___0~7#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume __copy_from_user_#t~switch115#1; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := true; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3774: SUMMARY for call __copy_from_user_#t~ret117#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3774-1: assume -9223372036854775808 <= __copy_from_user_#t~ret117#1 && __copy_from_user_#t~ret117#1 <= 9223372036854775807;__copy_from_user_~tmp___1~1#1 := __copy_from_user_#t~ret117#1;havoc __copy_from_user_#t~ret117#1; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume 0 != __copy_from_user_~tmp___1~1#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume !(0 != __copy_from_user_~tmp___1~1#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume __copy_from_user_#t~switch115#1; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume !__copy_from_user_#t~switch115#1; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3784: SUMMARY for call __copy_from_user_#t~ret118#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3784-1: __copy_from_user_~tmp___2~0#1 := __copy_from_user_#t~ret118#1;havoc __copy_from_user_#t~ret118#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~0#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~0#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~0#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##704: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 2 == __copy_from_user_~size#1; [2021-12-28 04:08:48,835 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##703: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-28 04:08:48,942 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:08:48,980 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:08:48,980 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:08:48,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:08:48 BoogieIcfgContainer [2021-12-28 04:08:48,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:08:48,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:08:48,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:08:48,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:08:48,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:08:38" (1/3) ... [2021-12-28 04:08:48,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516acc7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:08:48, skipping insertion in model container [2021-12-28 04:08:48,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:08:41" (2/3) ... [2021-12-28 04:08:48,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516acc7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:08:48, skipping insertion in model container [2021-12-28 04:08:48,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:08:48" (3/3) ... [2021-12-28 04:08:48,993 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-28 04:08:48,997 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:08:48,997 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:08:49,049 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:08:49,054 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:08:49,055 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:08:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 3838 states, 2919 states have (on average 1.5022267899965742) internal successors, (4385), 3023 states have internal predecessors, (4385), 781 states have call successors, (781), 137 states have call predecessors, (781), 136 states have return successors, (773), 745 states have call predecessors, (773), 773 states have call successors, (773) [2021-12-28 04:08:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-28 04:08:49,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:08:49,134 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:08:49,135 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:08:49,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:08:49,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1391587723, now seen corresponding path program 1 times [2021-12-28 04:08:49,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:08:49,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808610876] [2021-12-28 04:08:49,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:08:49,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:08:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:08:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:08:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:08:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:08:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:08:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:08:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:08:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 04:08:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:08:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:08:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:08:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:08:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 04:08:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 04:08:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:08:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:08:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:08:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-28 04:08:49,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:08:49,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808610876] [2021-12-28 04:08:49,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808610876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:08:49,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:08:49,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:08:49,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741095720] [2021-12-28 04:08:49,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:08:50,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:08:50,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:08:50,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:08:50,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:08:50,044 INFO L87 Difference]: Start difference. First operand has 3838 states, 2919 states have (on average 1.5022267899965742) internal successors, (4385), 3023 states have internal predecessors, (4385), 781 states have call successors, (781), 137 states have call predecessors, (781), 136 states have return successors, (773), 745 states have call predecessors, (773), 773 states have call successors, (773) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-28 04:08:57,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:08:58,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:09:02,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 04:09:04,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 04:09:06,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 04:09:09,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:09:09,322 INFO L93 Difference]: Finished difference Result 8367 states and 13217 transitions. [2021-12-28 04:09:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:09:09,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 192 [2021-12-28 04:09:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:09:09,386 INFO L225 Difference]: With dead ends: 8367 [2021-12-28 04:09:09,388 INFO L226 Difference]: Without dead ends: 4519 [2021-12-28 04:09:09,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:09:09,414 INFO L933 BasicCegarLoop]: 5470 mSDtfsCounter, 3639 mSDsluCounter, 7448 mSDsCounter, 0 mSdLazyCounter, 4579 mSolverCounterSat, 2310 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 12918 SdHoareTripleChecker+Invalid, 6892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2310 IncrementalHoareTripleChecker+Valid, 4579 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:09:09,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3690 Valid, 12918 Invalid, 6892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2310 Valid, 4579 Invalid, 3 Unknown, 0 Unchecked, 18.8s Time] [2021-12-28 04:09:09,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2021-12-28 04:09:09,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 3823. [2021-12-28 04:09:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 2914 states have (on average 1.4989704873026768) internal successors, (4368), 3008 states have internal predecessors, (4368), 773 states have call successors, (773), 136 states have call predecessors, (773), 135 states have return successors, (769), 741 states have call predecessors, (769), 769 states have call successors, (769) [2021-12-28 04:09:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5910 transitions. [2021-12-28 04:09:09,709 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5910 transitions. Word has length 192 [2021-12-28 04:09:09,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:09:09,710 INFO L470 AbstractCegarLoop]: Abstraction has 3823 states and 5910 transitions. [2021-12-28 04:09:09,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-28 04:09:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5910 transitions. [2021-12-28 04:09:09,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-28 04:09:09,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:09:09,718 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:09:09,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:09:09,718 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:09:09,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:09:09,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1053851753, now seen corresponding path program 1 times [2021-12-28 04:09:09,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:09:09,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126166539] [2021-12-28 04:09:09,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:09:09,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:09:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:09,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:09:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:09:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:09:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:09:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:09:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:09:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 04:09:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:09:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:09:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:09:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:09:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 04:09:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 04:09:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:09:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-28 04:09:10,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:09:10,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126166539] [2021-12-28 04:09:10,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126166539] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:09:10,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:09:10,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:09:10,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302574417] [2021-12-28 04:09:10,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:09:10,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:09:10,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:09:10,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:09:10,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:09:10,177 INFO L87 Difference]: Start difference. First operand 3823 states and 5910 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-28 04:09:21,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 04:09:22,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:09:22,932 INFO L93 Difference]: Finished difference Result 9651 states and 15121 transitions. [2021-12-28 04:09:22,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:09:22,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 192 [2021-12-28 04:09:22,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:09:23,001 INFO L225 Difference]: With dead ends: 9651 [2021-12-28 04:09:23,013 INFO L226 Difference]: Without dead ends: 5857 [2021-12-28 04:09:23,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:09:23,041 INFO L933 BasicCegarLoop]: 5663 mSDtfsCounter, 9663 mSDsluCounter, 7191 mSDsCounter, 0 mSdLazyCounter, 4188 mSolverCounterSat, 4656 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9822 SdHoareTripleChecker+Valid, 12854 SdHoareTripleChecker+Invalid, 8845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4656 IncrementalHoareTripleChecker+Valid, 4188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:09:23,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9822 Valid, 12854 Invalid, 8845 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4656 Valid, 4188 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2021-12-28 04:09:23,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2021-12-28 04:09:23,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 4938. [2021-12-28 04:09:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4938 states, 3763 states have (on average 1.495083709806006) internal successors, (5626), 3894 states have internal predecessors, (5626), 979 states have call successors, (979), 196 states have call predecessors, (979), 195 states have return successors, (975), 931 states have call predecessors, (975), 975 states have call successors, (975) [2021-12-28 04:09:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 7580 transitions. [2021-12-28 04:09:23,277 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 7580 transitions. Word has length 192 [2021-12-28 04:09:23,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:09:23,278 INFO L470 AbstractCegarLoop]: Abstraction has 4938 states and 7580 transitions. [2021-12-28 04:09:23,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-28 04:09:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 7580 transitions. [2021-12-28 04:09:23,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-28 04:09:23,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:09:23,283 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:09:23,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:09:23,283 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:09:23,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:09:23,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1833513696, now seen corresponding path program 1 times [2021-12-28 04:09:23,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:09:23,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234731846] [2021-12-28 04:09:23,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:09:23,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:09:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:09:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:09:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:09:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:09:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:09:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:09:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 04:09:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:09:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:09:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:09:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:09:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 04:09:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 04:09:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-28 04:09:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-28 04:09:23,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:09:23,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234731846] [2021-12-28 04:09:23,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234731846] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:09:23,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:09:23,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:09:23,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326424825] [2021-12-28 04:09:23,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:09:23,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:09:23,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:09:23,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:09:23,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:09:23,763 INFO L87 Difference]: Start difference. First operand 4938 states and 7580 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-28 04:09:32,846 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 [] [2021-12-28 04:09:34,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:09:37,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 04:09:40,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:09:40,434 INFO L93 Difference]: Finished difference Result 10758 states and 16782 transitions. [2021-12-28 04:09:40,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:09:40,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 202 [2021-12-28 04:09:40,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:09:40,493 INFO L225 Difference]: With dead ends: 10758 [2021-12-28 04:09:40,515 INFO L226 Difference]: Without dead ends: 5849 [2021-12-28 04:09:40,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:09:40,551 INFO L933 BasicCegarLoop]: 5410 mSDtfsCounter, 9796 mSDsluCounter, 5010 mSDsCounter, 0 mSdLazyCounter, 3319 mSolverCounterSat, 3172 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10299 SdHoareTripleChecker+Valid, 10420 SdHoareTripleChecker+Invalid, 6494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3172 IncrementalHoareTripleChecker+Valid, 3319 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:09:40,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10299 Valid, 10420 Invalid, 6494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3172 Valid, 3319 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2021-12-28 04:09:40,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5849 states. [2021-12-28 04:09:40,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5849 to 4938. [2021-12-28 04:09:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4938 states, 3763 states have (on average 1.4945522189742226) internal successors, (5624), 3894 states have internal predecessors, (5624), 979 states have call successors, (979), 196 states have call predecessors, (979), 195 states have return successors, (975), 931 states have call predecessors, (975), 975 states have call successors, (975) [2021-12-28 04:09:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 7578 transitions. [2021-12-28 04:09:40,732 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 7578 transitions. Word has length 202 [2021-12-28 04:09:40,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:09:40,732 INFO L470 AbstractCegarLoop]: Abstraction has 4938 states and 7578 transitions. [2021-12-28 04:09:40,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-28 04:09:40,733 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 7578 transitions. [2021-12-28 04:09:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-28 04:09:40,736 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:09:40,737 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:09:40,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:09:40,737 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:09:40,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:09:40,737 INFO L85 PathProgramCache]: Analyzing trace with hash 245165794, now seen corresponding path program 1 times [2021-12-28 04:09:40,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:09:40,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054590815] [2021-12-28 04:09:40,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:09:40,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:09:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:09:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:09:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:09:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:09:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:09:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:09:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:09:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 04:09:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:09:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:09:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:09:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:09:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 04:09:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 04:09:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:09:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-28 04:09:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:09:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-28 04:09:41,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:09:41,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054590815] [2021-12-28 04:09:41,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054590815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:09:41,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:09:41,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:09:41,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934457479] [2021-12-28 04:09:41,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:09:41,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:09:41,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:09:41,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:09:41,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:09:41,215 INFO L87 Difference]: Start difference. First operand 4938 states and 7578 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)