./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.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 dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:31:09,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:31:09,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:31:09,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:31:09,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:31:09,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:31:09,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:31:09,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:31:09,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:31:09,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:31:09,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:31:09,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:31:09,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:31:09,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:31:09,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:31:09,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:31:09,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:31:09,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:31:09,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:31:09,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:31:09,085 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:31:09,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:31:09,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:31:09,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:31:09,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:31:09,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:31:09,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:31:09,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:31:09,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:31:09,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:31:09,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:31:09,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:31:09,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:31:09,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:31:09,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:31:09,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:31:09,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:31:09,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:31:09,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:31:09,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:31:09,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:31:09,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:31:09,107 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:31:09,137 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:31:09,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:31:09,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:31:09,138 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:31:09,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:31:09,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:31:09,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:31:09,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:31:09,140 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:31:09,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:31:09,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:31:09,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:31:09,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:31:09,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:31:09,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:31:09,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:31:09,143 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:31:09,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:31:09,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:31:09,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:31:09,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:31:09,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:31:09,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:31:09,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:31:09,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:31:09,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:31:09,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:31:09,146 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:31:09,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:31:09,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:31:09,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 [2022-07-23 03:31:09,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:31:09,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:31:09,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:31:09,449 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:31:09,450 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:31:09,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-23 03:31:09,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b285f0b/3085beaee92446f4a8ecfd6fa4289e50/FLAG018b8d43f [2022-07-23 03:31:10,340 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:31:10,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-23 03:31:10,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b285f0b/3085beaee92446f4a8ecfd6fa4289e50/FLAG018b8d43f [2022-07-23 03:31:10,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b285f0b/3085beaee92446f4a8ecfd6fa4289e50 [2022-07-23 03:31:10,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:31:10,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:31:10,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:31:10,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:31:10,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:31:10,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:31:10" (1/1) ... [2022-07-23 03:31:10,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed3c72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:10, skipping insertion in model container [2022-07-23 03:31:10,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:31:10" (1/1) ... [2022-07-23 03:31:10,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:31:10,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:31:13,246 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-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2022-07-23 03:31:13,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:31:13,325 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:31:13,701 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-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2022-07-23 03:31:13,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:31:13,878 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:31:13,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13 WrapperNode [2022-07-23 03:31:13,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:31:13,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:31:13,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:31:13,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:31:13,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:13,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:14,128 INFO L137 Inliner]: procedures = 426, calls = 2216, calls flagged for inlining = 256, calls inlined = 245, statements flattened = 6328 [2022-07-23 03:31:14,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:31:14,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:31:14,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:31:14,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:31:14,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:14,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:14,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:14,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:14,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:14,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:14,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:14,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:31:14,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:31:14,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:31:14,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:31:14,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (1/1) ... [2022-07-23 03:31:14,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:31:14,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:31:14,504 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) [2022-07-23 03:31:14,530 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 [2022-07-23 03:31:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:31:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:31:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 03:31:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 03:31:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:31:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:31:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:31:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:31:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-07-23 03:31:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-07-23 03:31:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 03:31:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 03:31:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:31:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:31:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:31:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:31:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-07-23 03:31:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-07-23 03:31:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-07-23 03:31:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-07-23 03:31:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:31:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:31:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-07-23 03:31:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-07-23 03:31:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:31:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:31:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:31:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:31:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:31:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:31:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:31:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:31:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 03:31:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 03:31:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 03:31:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 03:31:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:31:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-07-23 03:31:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-07-23 03:31:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:31:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:31:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-23 03:31:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-23 03:31:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:31:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:31:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:31:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-07-23 03:31:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-07-23 03:31:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:31:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:31:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 03:31:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 03:31:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:31:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:31:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:31:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:31:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:31:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:31:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-07-23 03:31:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-07-23 03:31:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:31:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:31:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-23 03:31:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-23 03:31:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:31:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:31:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-07-23 03:31:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-07-23 03:31:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:31:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:31:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-07-23 03:31:14,567 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-07-23 03:31:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-07-23 03:31:14,567 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-07-23 03:31:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:31:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:31:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:31:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:31:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:31:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 03:31:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 03:31:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-23 03:31:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-23 03:31:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-07-23 03:31:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-07-23 03:31:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 03:31:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 03:31:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:31:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:31:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:31:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-07-23 03:31:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-07-23 03:31:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:31:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:31:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:31:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:31:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:31:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-23 03:31:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-23 03:31:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:31:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:31:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:31:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:31:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:31:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:31:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-07-23 03:31:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-07-23 03:31:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 03:31:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 03:31:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:31:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:31:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 03:31:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 03:31:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-23 03:31:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-23 03:31:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:31:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:31:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:31:14,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:31:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-23 03:31:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-23 03:31:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-07-23 03:31:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-07-23 03:31:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:31:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:31:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-07-23 03:31:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-07-23 03:31:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:31:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:31:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-07-23 03:31:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-07-23 03:31:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-07-23 03:31:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-07-23 03:31:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:31:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:31:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-07-23 03:31:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-07-23 03:31:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-07-23 03:31:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-07-23 03:31:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-07-23 03:31:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-07-23 03:31:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-07-23 03:31:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-07-23 03:31:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-07-23 03:31:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-07-23 03:31:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-07-23 03:31:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-07-23 03:31:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-07-23 03:31:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-07-23 03:31:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 03:31:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 03:31:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:31:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:31:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-07-23 03:31:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-07-23 03:31:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:31:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-23 03:31:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-23 03:31:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 03:31:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 03:31:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:31:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:31:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-07-23 03:31:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-07-23 03:31:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:31:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-07-23 03:31:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-07-23 03:31:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-07-23 03:31:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-07-23 03:31:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:31:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-07-23 03:31:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-07-23 03:31:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-07-23 03:31:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-07-23 03:31:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 03:31:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 03:31:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 03:31:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 03:31:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-07-23 03:31:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-07-23 03:31:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:31:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:31:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-07-23 03:31:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-07-23 03:31:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-07-23 03:31:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-07-23 03:31:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:31:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:31:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-07-23 03:31:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-07-23 03:31:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:31:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:31:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 03:31:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 03:31:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:31:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:31:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:31:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:31:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-07-23 03:31:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-07-23 03:31:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:31:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:31:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:31:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:31:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:31:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:31:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:31:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-07-23 03:31:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-07-23 03:31:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:31:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:31:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-07-23 03:31:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-07-23 03:31:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-07-23 03:31:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-07-23 03:31:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-07-23 03:31:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-07-23 03:31:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 03:31:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 03:31:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-23 03:31:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-23 03:31:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:31:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:31:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-23 03:31:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-23 03:31:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-23 03:31:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-23 03:31:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:31:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:31:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:31:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 03:31:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 03:31:15,577 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:31:15,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:31:15,662 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:31:20,556 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:31:20,643 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:31:20,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:31:20,667 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 03:31:20,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:31:20 BoogieIcfgContainer [2022-07-23 03:31:20,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:31:20,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:31:20,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:31:20,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:31:20,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:31:10" (1/3) ... [2022-07-23 03:31:20,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e9a6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:31:20, skipping insertion in model container [2022-07-23 03:31:20,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:31:13" (2/3) ... [2022-07-23 03:31:20,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e9a6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:31:20, skipping insertion in model container [2022-07-23 03:31:20,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:31:20" (3/3) ... [2022-07-23 03:31:20,683 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-23 03:31:20,696 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:31:20,696 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:31:20,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:31:20,785 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5d1c97cf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@75cf14ab [2022-07-23 03:31:20,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:31:20,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 2267 states, 1637 states have (on average 1.3194868662186927) internal successors, (2160), 1655 states have internal predecessors, (2160), 522 states have call successors, (522), 108 states have call predecessors, (522), 107 states have return successors, (515), 510 states have call predecessors, (515), 515 states have call successors, (515) [2022-07-23 03:31:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-23 03:31:20,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:20,813 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:31:20,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:20,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:20,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1174308418, now seen corresponding path program 1 times [2022-07-23 03:31:20,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:31:20,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001735680] [2022-07-23 03:31:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:20,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:31:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:31:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:31:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:31:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:31:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:31:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:31:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:31:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:31:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:31:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:31:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:31:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:31:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:31:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-07-23 03:31:21,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:31:21,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001735680] [2022-07-23 03:31:21,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001735680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:21,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:21,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:31:21,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756922412] [2022-07-23 03:31:21,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:21,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:31:21,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:31:21,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:31:21,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:31:21,848 INFO L87 Difference]: Start difference. First operand has 2267 states, 1637 states have (on average 1.3194868662186927) internal successors, (2160), 1655 states have internal predecessors, (2160), 522 states have call successors, (522), 108 states have call predecessors, (522), 107 states have return successors, (515), 510 states have call predecessors, (515), 515 states have call successors, (515) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-23 03:31:26,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:26,618 INFO L93 Difference]: Finished difference Result 6901 states and 9950 transitions. [2022-07-23 03:31:26,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:31:26,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2022-07-23 03:31:26,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:26,682 INFO L225 Difference]: With dead ends: 6901 [2022-07-23 03:31:26,682 INFO L226 Difference]: Without dead ends: 4649 [2022-07-23 03:31:26,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:31:26,707 INFO L413 NwaCegarLoop]: 3300 mSDtfsCounter, 4426 mSDsluCounter, 3113 mSDsCounter, 0 mSdLazyCounter, 2382 mSolverCounterSat, 1710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4882 SdHoareTripleChecker+Valid, 6413 SdHoareTripleChecker+Invalid, 4092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1710 IncrementalHoareTripleChecker+Valid, 2382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:26,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4882 Valid, 6413 Invalid, 4092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1710 Valid, 2382 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-23 03:31:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2022-07-23 03:31:26,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4423. [2022-07-23 03:31:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4423 states, 3209 states have (on average 1.2692427547522593) internal successors, (4073), 3245 states have internal predecessors, (4073), 1002 states have call successors, (1002), 212 states have call predecessors, (1002), 211 states have return successors, (999), 989 states have call predecessors, (999), 999 states have call successors, (999) [2022-07-23 03:31:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4423 states to 4423 states and 6074 transitions. [2022-07-23 03:31:27,021 INFO L78 Accepts]: Start accepts. Automaton has 4423 states and 6074 transitions. Word has length 145 [2022-07-23 03:31:27,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:27,022 INFO L495 AbstractCegarLoop]: Abstraction has 4423 states and 6074 transitions. [2022-07-23 03:31:27,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-23 03:31:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 6074 transitions. [2022-07-23 03:31:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-23 03:31:27,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:27,036 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:31:27,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:31:27,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:27,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:27,038 INFO L85 PathProgramCache]: Analyzing trace with hash -124006090, now seen corresponding path program 1 times [2022-07-23 03:31:27,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:31:27,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509045960] [2022-07-23 03:31:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:27,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:31:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:31:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:31:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:31:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:31:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:31:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:31:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:31:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:31:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:31:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:31:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:31:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:31:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 03:31:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:31:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:31:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:31:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:31:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 03:31:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 03:31:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2022-07-23 03:31:27,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:31:27,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509045960] [2022-07-23 03:31:27,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509045960] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:27,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:27,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:31:27,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257899992] [2022-07-23 03:31:27,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:27,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:31:27,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:31:27,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:31:27,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:31:27,588 INFO L87 Difference]: Start difference. First operand 4423 states and 6074 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-23 03:31:32,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:32,153 INFO L93 Difference]: Finished difference Result 9179 states and 12698 transitions. [2022-07-23 03:31:32,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:31:32,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 197 [2022-07-23 03:31:32,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:32,197 INFO L225 Difference]: With dead ends: 9179 [2022-07-23 03:31:32,197 INFO L226 Difference]: Without dead ends: 6944 [2022-07-23 03:31:32,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:31:32,212 INFO L413 NwaCegarLoop]: 5699 mSDtfsCounter, 3429 mSDsluCounter, 4154 mSDsCounter, 0 mSdLazyCounter, 2417 mSolverCounterSat, 1212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 9853 SdHoareTripleChecker+Invalid, 3629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1212 IncrementalHoareTripleChecker+Valid, 2417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:32,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3877 Valid, 9853 Invalid, 3629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1212 Valid, 2417 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 03:31:32,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6944 states. [2022-07-23 03:31:32,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6944 to 6595. [2022-07-23 03:31:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6595 states, 4789 states have (on average 1.2699937356441846) internal successors, (6082), 4842 states have internal predecessors, (6082), 1489 states have call successors, (1489), 317 states have call predecessors, (1489), 316 states have return successors, (1486), 1471 states have call predecessors, (1486), 1486 states have call successors, (1486) [2022-07-23 03:31:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6595 states to 6595 states and 9057 transitions. [2022-07-23 03:31:32,487 INFO L78 Accepts]: Start accepts. Automaton has 6595 states and 9057 transitions. Word has length 197 [2022-07-23 03:31:32,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:32,489 INFO L495 AbstractCegarLoop]: Abstraction has 6595 states and 9057 transitions. [2022-07-23 03:31:32,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-23 03:31:32,490 INFO L276 IsEmpty]: Start isEmpty. Operand 6595 states and 9057 transitions. [2022-07-23 03:31:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-23 03:31:32,499 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:32,499 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:31:32,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:31:32,499 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:32,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:32,500 INFO L85 PathProgramCache]: Analyzing trace with hash 298695736, now seen corresponding path program 1 times [2022-07-23 03:31:32,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:31:32,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914557153] [2022-07-23 03:31:32,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:32,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:31:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:31:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:31:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:31:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:31:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:31:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:31:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:31:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:31:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:31:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:31:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:31:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:31:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 03:31:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:31:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:31:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:31:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:31:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 03:31:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 03:31:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-07-23 03:31:33,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:31:33,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914557153] [2022-07-23 03:31:33,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914557153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:33,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:33,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:31:33,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939070034] [2022-07-23 03:31:33,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:33,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:31:33,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:31:33,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:31:33,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:31:33,131 INFO L87 Difference]: Start difference. First operand 6595 states and 9057 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 03:31:36,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:36,473 INFO L93 Difference]: Finished difference Result 6940 states and 9628 transitions. [2022-07-23 03:31:36,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:31:36,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 197 [2022-07-23 03:31:36,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:36,521 INFO L225 Difference]: With dead ends: 6940 [2022-07-23 03:31:36,521 INFO L226 Difference]: Without dead ends: 6938 [2022-07-23 03:31:36,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:31:36,529 INFO L413 NwaCegarLoop]: 2890 mSDtfsCounter, 3471 mSDsluCounter, 4915 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 1194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3721 SdHoareTripleChecker+Valid, 7805 SdHoareTripleChecker+Invalid, 4321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1194 IncrementalHoareTripleChecker+Valid, 3127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:36,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3721 Valid, 7805 Invalid, 4321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1194 Valid, 3127 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-23 03:31:36,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6938 states. [2022-07-23 03:31:36,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6938 to 6599. [2022-07-23 03:31:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6599 states, 4792 states have (on average 1.2698247078464107) internal successors, (6085), 4845 states have internal predecessors, (6085), 1489 states have call successors, (1489), 318 states have call predecessors, (1489), 317 states have return successors, (1486), 1471 states have call predecessors, (1486), 1486 states have call successors, (1486) [2022-07-23 03:31:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6599 states to 6599 states and 9060 transitions. [2022-07-23 03:31:36,787 INFO L78 Accepts]: Start accepts. Automaton has 6599 states and 9060 transitions. Word has length 197 [2022-07-23 03:31:36,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:36,789 INFO L495 AbstractCegarLoop]: Abstraction has 6599 states and 9060 transitions. [2022-07-23 03:31:36,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 03:31:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 6599 states and 9060 transitions. [2022-07-23 03:31:36,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-23 03:31:36,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:36,800 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:31:36,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:31:36,801 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:36,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:36,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1309610480, now seen corresponding path program 1 times [2022-07-23 03:31:36,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:31:36,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532950817] [2022-07-23 03:31:36,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:36,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:31:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:31:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:31:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:31:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:31:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:31:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:31:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:31:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:31:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:31:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:31:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:31:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:31:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 03:31:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:31:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:31:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:31:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:31:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 03:31:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 03:31:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 03:31:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-07-23 03:31:37,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:31:37,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532950817] [2022-07-23 03:31:37,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532950817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:37,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:37,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:31:37,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739415961] [2022-07-23 03:31:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:37,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:31:37,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:31:37,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:31:37,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:31:37,411 INFO L87 Difference]: Start difference. First operand 6599 states and 9060 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 03:31:43,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:43,444 INFO L93 Difference]: Finished difference Result 13750 states and 19352 transitions. [2022-07-23 03:31:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:31:43,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2022-07-23 03:31:43,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:43,548 INFO L225 Difference]: With dead ends: 13750 [2022-07-23 03:31:43,549 INFO L226 Difference]: Without dead ends: 13748 [2022-07-23 03:31:43,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-23 03:31:43,564 INFO L413 NwaCegarLoop]: 3481 mSDtfsCounter, 4387 mSDsluCounter, 7455 mSDsCounter, 0 mSdLazyCounter, 5956 mSolverCounterSat, 1719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4829 SdHoareTripleChecker+Valid, 10936 SdHoareTripleChecker+Invalid, 7675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1719 IncrementalHoareTripleChecker+Valid, 5956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:43,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4829 Valid, 10936 Invalid, 7675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1719 Valid, 5956 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-23 03:31:43,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13748 states. [2022-07-23 03:31:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13748 to 13056. [2022-07-23 03:31:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13056 states, 9486 states have (on average 1.2707147375079064) internal successors, (12054), 9613 states have internal predecessors, (12054), 2928 states have call successors, (2928), 631 states have call predecessors, (2928), 641 states have return successors, (3114), 2883 states have call predecessors, (3114), 2922 states have call successors, (3114) [2022-07-23 03:31:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13056 states to 13056 states and 18096 transitions. [2022-07-23 03:31:44,198 INFO L78 Accepts]: Start accepts. Automaton has 13056 states and 18096 transitions. Word has length 202 [2022-07-23 03:31:44,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:44,199 INFO L495 AbstractCegarLoop]: Abstraction has 13056 states and 18096 transitions. [2022-07-23 03:31:44,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 03:31:44,199 INFO L276 IsEmpty]: Start isEmpty. Operand 13056 states and 18096 transitions. [2022-07-23 03:31:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-23 03:31:44,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:44,212 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:31:44,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:31:44,212 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:44,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:44,213 INFO L85 PathProgramCache]: Analyzing trace with hash -663509256, now seen corresponding path program 1 times [2022-07-23 03:31:44,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:31:44,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755936654] [2022-07-23 03:31:44,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:44,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:31:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:31:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:31:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:31:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:31:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:31:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:31:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:31:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:31:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:31:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:31:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:31:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:31:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 03:31:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:31:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:31:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:31:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:31:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 03:31:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 03:31:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 03:31:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 03:31:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2022-07-23 03:31:44,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:31:44,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755936654] [2022-07-23 03:31:44,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755936654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:44,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:44,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:31:44,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731042163] [2022-07-23 03:31:44,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:44,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:31:44,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:31:44,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:31:44,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:31:44,779 INFO L87 Difference]: Start difference. First operand 13056 states and 18096 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 03:31:50,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:50,703 INFO L93 Difference]: Finished difference Result 27232 states and 39057 transitions. [2022-07-23 03:31:50,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:31:50,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 207 [2022-07-23 03:31:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:50,884 INFO L225 Difference]: With dead ends: 27232 [2022-07-23 03:31:50,884 INFO L226 Difference]: Without dead ends: 27228 [2022-07-23 03:31:50,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-23 03:31:50,907 INFO L413 NwaCegarLoop]: 3515 mSDtfsCounter, 4371 mSDsluCounter, 7527 mSDsCounter, 0 mSdLazyCounter, 5995 mSolverCounterSat, 1711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4810 SdHoareTripleChecker+Valid, 11042 SdHoareTripleChecker+Invalid, 7706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1711 IncrementalHoareTripleChecker+Valid, 5995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:50,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4810 Valid, 11042 Invalid, 7706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1711 Valid, 5995 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-23 03:31:50,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27228 states. [2022-07-23 03:31:52,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27228 to 26131. [2022-07-23 03:31:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26131 states, 18993 states have (on average 1.2713104828094561) internal successors, (24146), 19273 states have internal predecessors, (24146), 5842 states have call successors, (5842), 1252 states have call predecessors, (5842), 1295 states have return successors, (6910), 5755 states have call predecessors, (6910), 5830 states have call successors, (6910) [2022-07-23 03:31:52,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26131 states to 26131 states and 36898 transitions. [2022-07-23 03:31:52,286 INFO L78 Accepts]: Start accepts. Automaton has 26131 states and 36898 transitions. Word has length 207 [2022-07-23 03:31:52,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:31:52,287 INFO L495 AbstractCegarLoop]: Abstraction has 26131 states and 36898 transitions. [2022-07-23 03:31:52,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 03:31:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 26131 states and 36898 transitions. [2022-07-23 03:31:52,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-07-23 03:31:52,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:31:52,305 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:31:52,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:31:52,306 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:31:52,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:31:52,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2087194288, now seen corresponding path program 1 times [2022-07-23 03:31:52,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:31:52,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229093988] [2022-07-23 03:31:52,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:31:52,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:31:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:31:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:31:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:31:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:31:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:31:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:31:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:31:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:31:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:31:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:31:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:31:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:31:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 03:31:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:31:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:31:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:31:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:31:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:31:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 03:31:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 03:31:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 03:31:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 03:31:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 03:31:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:31:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2022-07-23 03:31:52,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:31:52,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229093988] [2022-07-23 03:31:52,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229093988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:31:52,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:31:52,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:31:52,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446451636] [2022-07-23 03:31:52,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:31:52,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:31:52,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:31:52,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:31:52,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:31:52,854 INFO L87 Difference]: Start difference. First operand 26131 states and 36898 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 03:31:59,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:31:59,243 INFO L93 Difference]: Finished difference Result 54199 states and 79980 transitions. [2022-07-23 03:31:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:31:59,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 212 [2022-07-23 03:31:59,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:31:59,693 INFO L225 Difference]: With dead ends: 54199 [2022-07-23 03:31:59,693 INFO L226 Difference]: Without dead ends: 54138 [2022-07-23 03:31:59,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-23 03:31:59,760 INFO L413 NwaCegarLoop]: 3257 mSDtfsCounter, 4457 mSDsluCounter, 7035 mSDsCounter, 0 mSdLazyCounter, 5852 mSolverCounterSat, 1767 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4899 SdHoareTripleChecker+Valid, 10292 SdHoareTripleChecker+Invalid, 7619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1767 IncrementalHoareTripleChecker+Valid, 5852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:31:59,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4899 Valid, 10292 Invalid, 7619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1767 Valid, 5852 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-23 03:31:59,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54138 states. [2022-07-23 03:32:02,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54138 to 52410. [2022-07-23 03:32:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52410 states, 38106 states have (on average 1.2712696163333859) internal successors, (48443), 38674 states have internal predecessors, (48443), 11692 states have call successors, (11692), 2493 states have call predecessors, (11692), 2611 states have return successors, (15838), 11548 states have call predecessors, (15838), 11671 states have call successors, (15838) [2022-07-23 03:32:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52410 states to 52410 states and 75973 transitions. [2022-07-23 03:32:02,861 INFO L78 Accepts]: Start accepts. Automaton has 52410 states and 75973 transitions. Word has length 212 [2022-07-23 03:32:02,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:02,862 INFO L495 AbstractCegarLoop]: Abstraction has 52410 states and 75973 transitions. [2022-07-23 03:32:02,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 03:32:02,863 INFO L276 IsEmpty]: Start isEmpty. Operand 52410 states and 75973 transitions. [2022-07-23 03:32:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-07-23 03:32:02,989 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:02,989 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:32:02,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:32:02,990 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:02,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:02,990 INFO L85 PathProgramCache]: Analyzing trace with hash 734121536, now seen corresponding path program 1 times [2022-07-23 03:32:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:32:02,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135755596] [2022-07-23 03:32:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:32:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:32:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:32:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:32:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:32:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:32:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:32:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:32:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:32:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:32:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:32:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:32:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:32:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 03:32:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:32:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:32:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:32:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:32:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 03:32:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 03:32:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:32:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 03:32:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 03:32:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 03:32:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:32:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-23 03:32:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 03:32:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-07-23 03:32:03,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:32:03,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135755596] [2022-07-23 03:32:03,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135755596] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:03,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:03,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:32:03,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019428723] [2022-07-23 03:32:03,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:03,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:32:03,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:32:03,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:32:03,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:32:03,758 INFO L87 Difference]: Start difference. First operand 52410 states and 75973 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 03:32:16,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:16,578 INFO L93 Difference]: Finished difference Result 185580 states and 274708 transitions. [2022-07-23 03:32:16,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 03:32:16,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 291 [2022-07-23 03:32:16,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:17,733 INFO L225 Difference]: With dead ends: 185580 [2022-07-23 03:32:17,733 INFO L226 Difference]: Without dead ends: 133197 [2022-07-23 03:32:18,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2022-07-23 03:32:18,113 INFO L413 NwaCegarLoop]: 4353 mSDtfsCounter, 7005 mSDsluCounter, 6808 mSDsCounter, 0 mSdLazyCounter, 7488 mSolverCounterSat, 4432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7448 SdHoareTripleChecker+Valid, 11161 SdHoareTripleChecker+Invalid, 11920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4432 IncrementalHoareTripleChecker+Valid, 7488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:18,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7448 Valid, 11161 Invalid, 11920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4432 Valid, 7488 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-23 03:32:18,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133197 states. [2022-07-23 03:32:22,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133197 to 126346. [2022-07-23 03:32:23,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126346 states, 92188 states have (on average 1.2690588796806526) internal successors, (116992), 93319 states have internal predecessors, (116992), 28165 states have call successors, (28165), 4938 states have call predecessors, (28165), 5992 states have return successors, (39070), 28880 states have call predecessors, (39070), 28144 states have call successors, (39070) [2022-07-23 03:32:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126346 states to 126346 states and 184227 transitions. [2022-07-23 03:32:24,431 INFO L78 Accepts]: Start accepts. Automaton has 126346 states and 184227 transitions. Word has length 291 [2022-07-23 03:32:24,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:24,432 INFO L495 AbstractCegarLoop]: Abstraction has 126346 states and 184227 transitions. [2022-07-23 03:32:24,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 03:32:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 126346 states and 184227 transitions. [2022-07-23 03:32:24,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-23 03:32:24,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:24,536 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:32:24,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:32:24,536 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:24,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:24,537 INFO L85 PathProgramCache]: Analyzing trace with hash -964168490, now seen corresponding path program 1 times [2022-07-23 03:32:24,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:32:24,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470589663] [2022-07-23 03:32:24,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:24,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:32:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:32:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:32:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:32:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:32:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:32:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:32:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:32:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:32:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:32:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:32:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:32:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:32:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 03:32:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:32:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:32:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:32:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 03:32:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 03:32:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 03:32:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 03:32:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:32:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:32:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 03:32:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 03:32:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 03:32:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 03:32:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 03:32:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-23 03:32:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2022-07-23 03:32:25,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:32:25,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470589663] [2022-07-23 03:32:25,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470589663] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:25,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:25,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:32:25,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054470011] [2022-07-23 03:32:25,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:25,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:32:25,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:32:25,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:32:25,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:32:25,437 INFO L87 Difference]: Start difference. First operand 126346 states and 184227 transitions. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-23 03:32:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:40,042 INFO L93 Difference]: Finished difference Result 274258 states and 404399 transitions. [2022-07-23 03:32:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 03:32:40,043 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 310 [2022-07-23 03:32:40,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:41,003 INFO L225 Difference]: With dead ends: 274258 [2022-07-23 03:32:41,004 INFO L226 Difference]: Without dead ends: 147132 [2022-07-23 03:32:41,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2022-07-23 03:32:41,712 INFO L413 NwaCegarLoop]: 5300 mSDtfsCounter, 8710 mSDsluCounter, 6907 mSDsCounter, 0 mSdLazyCounter, 6878 mSolverCounterSat, 5995 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9213 SdHoareTripleChecker+Valid, 12207 SdHoareTripleChecker+Invalid, 12873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5995 IncrementalHoareTripleChecker+Valid, 6878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:41,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9213 Valid, 12207 Invalid, 12873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5995 Valid, 6878 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-07-23 03:32:41,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147132 states. [2022-07-23 03:32:46,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147132 to 140282. [2022-07-23 03:32:46,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140282 states, 102769 states have (on average 1.2667827846918818) internal successors, (130186), 104042 states have internal predecessors, (130186), 30730 states have call successors, (30730), 5728 states have call predecessors, (30730), 6782 states have return successors, (42995), 31399 states have call predecessors, (42995), 30709 states have call successors, (42995) [2022-07-23 03:32:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140282 states to 140282 states and 203911 transitions. [2022-07-23 03:32:47,966 INFO L78 Accepts]: Start accepts. Automaton has 140282 states and 203911 transitions. Word has length 310 [2022-07-23 03:32:47,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:47,966 INFO L495 AbstractCegarLoop]: Abstraction has 140282 states and 203911 transitions. [2022-07-23 03:32:47,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-23 03:32:47,967 INFO L276 IsEmpty]: Start isEmpty. Operand 140282 states and 203911 transitions. [2022-07-23 03:32:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-23 03:32:48,017 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:48,017 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 11, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:32:48,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 03:32:48,018 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:48,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:48,018 INFO L85 PathProgramCache]: Analyzing trace with hash -451209907, now seen corresponding path program 1 times [2022-07-23 03:32:48,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:32:48,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650965426] [2022-07-23 03:32:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:48,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:32:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:32:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:32:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:32:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:32:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:32:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:32:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:32:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:32:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:32:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:32:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:32:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:32:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 03:32:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:32:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:32:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 03:32:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 03:32:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:32:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 03:32:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 03:32:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 03:32:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 03:32:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:32:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 03:32:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 03:32:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 03:32:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:32:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 03:32:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 03:32:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 03:32:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:48,511 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2022-07-23 03:32:48,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:32:48,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650965426] [2022-07-23 03:32:48,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650965426] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:48,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:48,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:32:48,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328705260] [2022-07-23 03:32:48,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:48,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:32:48,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:32:48,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:32:48,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:32:48,515 INFO L87 Difference]: Start difference. First operand 140282 states and 203911 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 03:33:04,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:33:04,490 INFO L93 Difference]: Finished difference Result 344601 states and 508256 transitions. [2022-07-23 03:33:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 03:33:04,491 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 312 [2022-07-23 03:33:04,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:33:05,998 INFO L225 Difference]: With dead ends: 344601 [2022-07-23 03:33:05,998 INFO L226 Difference]: Without dead ends: 205142 [2022-07-23 03:33:06,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2022-07-23 03:33:06,462 INFO L413 NwaCegarLoop]: 6153 mSDtfsCounter, 7117 mSDsluCounter, 8080 mSDsCounter, 0 mSdLazyCounter, 6838 mSolverCounterSat, 5398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7612 SdHoareTripleChecker+Valid, 14233 SdHoareTripleChecker+Invalid, 12236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5398 IncrementalHoareTripleChecker+Valid, 6838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:33:06,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7612 Valid, 14233 Invalid, 12236 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5398 Valid, 6838 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-23 03:33:06,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205142 states.