./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-ethoc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.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 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:06:49,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:06:49,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:06:49,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:06:49,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:06:49,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:06:49,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:06:49,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:06:49,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:06:49,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:06:49,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:06:49,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:06:49,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:06:49,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:06:49,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:06:49,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:06:49,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:06:49,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:06:49,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:06:49,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:06:49,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:06:49,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:06:49,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:06:49,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:06:49,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:06:49,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:06:49,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:06:49,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:06:49,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:06:49,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:06:49,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:06:49,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:06:49,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:06:49,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:06:49,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:06:49,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:06:49,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:06:49,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:06:49,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:06:49,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:06:49,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:06:49,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:06:49,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:06:49,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:06:49,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:06:49,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:06:49,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:06:49,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:06:49,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:06:49,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:06:49,253 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:06:49,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:06:49,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:06:49,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:06:49,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:06:49,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:06:49,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:06:49,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:06:49,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:06:49,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:06:49,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:06:49,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:06:49,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:06:49,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:06:49,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:06:49,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:06:49,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:06:49,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:06:49,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:06:49,265 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:06:49,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:06:49,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:06:49,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 [2021-12-28 05:06:49,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:06:49,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:06:49,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:06:49,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:06:49,579 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:06:49,580 INFO L432 ainManager$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-ethoc.cil.i [2021-12-28 05:06:49,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b902bd09/9ee2aa0d7d3f4036a0292316a6da0690/FLAGd903ed1da [2021-12-28 05:06:50,421 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:06:50,421 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-ethoc.cil.i [2021-12-28 05:06:50,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b902bd09/9ee2aa0d7d3f4036a0292316a6da0690/FLAGd903ed1da [2021-12-28 05:06:50,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b902bd09/9ee2aa0d7d3f4036a0292316a6da0690 [2021-12-28 05:06:50,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:06:50,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:06:50,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:06:50,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:06:50,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:06:50,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:06:50" (1/1) ... [2021-12-28 05:06:50,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72743ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:50, skipping insertion in model container [2021-12-28 05:06:50,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:06:50" (1/1) ... [2021-12-28 05:06:50,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:06:50,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:06:52,393 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-ethoc.cil.i[282309,282322] [2021-12-28 05:06:52,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:06:52,469 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:06:52,819 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-ethoc.cil.i[282309,282322] [2021-12-28 05:06:52,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:06:52,993 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:06:52,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52 WrapperNode [2021-12-28 05:06:52,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:06:52,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:06:52,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:06:52,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:06:53,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,250 INFO L137 Inliner]: procedures = 347, calls = 1403, calls flagged for inlining = 224, calls inlined = 207, statements flattened = 3854 [2021-12-28 05:06:53,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:06:53,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:06:53,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:06:53,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:06:53,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:06:53,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:06:53,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:06:53,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:06:53,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (1/1) ... [2021-12-28 05:06:53,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:06:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:06:53,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 05:06:53,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 05:06:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-28 05:06:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-28 05:06:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:06:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:06:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:06:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:06:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:06:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:06:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-28 05:06:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-28 05:06:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2021-12-28 05:06:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2021-12-28 05:06:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 05:06:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 05:06:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:06:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:06:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 05:06:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2021-12-28 05:06:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2021-12-28 05:06:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-28 05:06:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-28 05:06:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:06:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:06:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:06:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:06:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2021-12-28 05:06:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2021-12-28 05:06:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:06:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_15 [2021-12-28 05:06:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_15 [2021-12-28 05:06:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2021-12-28 05:06:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2021-12-28 05:06:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:06:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:06:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:06:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:06:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:06:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 05:06:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 05:06:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:06:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:06:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-28 05:06:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-28 05:06:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:06:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2021-12-28 05:06:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2021-12-28 05:06:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2021-12-28 05:06:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2021-12-28 05:06:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-28 05:06:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-28 05:06:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:06:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2021-12-28 05:06:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2021-12-28 05:06:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2021-12-28 05:06:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2021-12-28 05:06:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2021-12-28 05:06:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2021-12-28 05:06:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2021-12-28 05:06:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2021-12-28 05:06:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2021-12-28 05:06:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2021-12-28 05:06:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:06:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:06:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:06:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:06:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:06:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:06:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-28 05:06:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-28 05:06:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:06:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:06:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:06:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:06:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:06:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:06:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:06:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:06:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:06:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:06:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:06:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-28 05:06:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-28 05:06:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2021-12-28 05:06:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2021-12-28 05:06:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:06:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:06:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:06:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:06:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:06:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:06:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:06:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:06:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:06:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2021-12-28 05:06:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2021-12-28 05:06:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:06:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2021-12-28 05:06:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2021-12-28 05:06:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2021-12-28 05:06:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2021-12-28 05:06:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:06:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:06:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:06:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:06:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 05:06:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 05:06:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 05:06:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 05:06:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:06:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 05:06:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 05:06:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2021-12-28 05:06:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2021-12-28 05:06:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:06:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:06:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:06:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 05:06:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2021-12-28 05:06:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2021-12-28 05:06:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:06:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:06:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:06:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:06:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-28 05:06:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-28 05:06:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2021-12-28 05:06:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2021-12-28 05:06:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2021-12-28 05:06:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2021-12-28 05:06:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:06:53,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:06:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2021-12-28 05:06:53,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2021-12-28 05:06:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:06:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:06:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2021-12-28 05:06:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2021-12-28 05:06:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:06:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:06:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:06:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-28 05:06:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-28 05:06:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:06:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:06:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2021-12-28 05:06:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2021-12-28 05:06:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:06:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:06:54,257 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:06:54,260 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:06:54,419 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:07:09,597 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:07:09,690 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:07:09,707 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:07:09,708 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-28 05:07:09,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:07:09 BoogieIcfgContainer [2021-12-28 05:07:09,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:07:09,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:07:09,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:07:09,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:07:09,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:06:50" (1/3) ... [2021-12-28 05:07:09,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ec3327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:07:09, skipping insertion in model container [2021-12-28 05:07:09,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:06:52" (2/3) ... [2021-12-28 05:07:09,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ec3327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:07:09, skipping insertion in model container [2021-12-28 05:07:09,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:07:09" (3/3) ... [2021-12-28 05:07:09,718 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2021-12-28 05:07:09,722 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:07:09,723 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 05:07:09,775 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:07:09,781 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:07:09,782 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 05:07:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 1366 states, 1002 states have (on average 1.2744510978043913) internal successors, (1277), 1016 states have internal predecessors, (1277), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) [2021-12-28 05:07:09,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-28 05:07:09,831 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:07:09,832 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:07:09,832 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:07:09,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:07:09,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1332555926, now seen corresponding path program 1 times [2021-12-28 05:07:09,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:07:09,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517920808] [2021-12-28 05:07:09,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:07:09,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:07:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:07:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:07:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:07:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:07:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:07:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:07:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:07:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:07:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:07:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:07:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:07:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:07:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 05:07:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:07:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-28 05:07:10,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:07:10,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517920808] [2021-12-28 05:07:10,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517920808] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:07:10,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:07:10,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:07:10,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254345893] [2021-12-28 05:07:10,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:07:10,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:07:10,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:07:10,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:07:10,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:07:10,984 INFO L87 Difference]: Start difference. First operand has 1366 states, 1002 states have (on average 1.2744510978043913) internal successors, (1277), 1016 states have internal predecessors, (1277), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-28 05:07:13,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:07:15,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:07:21,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:07:21,371 INFO L93 Difference]: Finished difference Result 4004 states and 5594 transitions. [2021-12-28 05:07:21,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:07:21,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 156 [2021-12-28 05:07:21,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:07:21,417 INFO L225 Difference]: With dead ends: 4004 [2021-12-28 05:07:21,417 INFO L226 Difference]: Without dead ends: 2655 [2021-12-28 05:07:21,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:07:21,434 INFO L933 BasicCegarLoop]: 1989 mSDtfsCounter, 2167 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 790 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 4047 SdHoareTripleChecker+Invalid, 2049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:07:21,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2403 Valid, 4047 Invalid, 2049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [790 Valid, 1257 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2021-12-28 05:07:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states. [2021-12-28 05:07:21,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2577. [2021-12-28 05:07:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2577 states, 1894 states have (on average 1.2576557550158396) internal successors, (2382), 1922 states have internal predecessors, (2382), 557 states have call successors, (557), 126 states have call predecessors, (557), 125 states have return successors, (554), 550 states have call predecessors, (554), 554 states have call successors, (554) [2021-12-28 05:07:21,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3493 transitions. [2021-12-28 05:07:21,675 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3493 transitions. Word has length 156 [2021-12-28 05:07:21,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:07:21,678 INFO L470 AbstractCegarLoop]: Abstraction has 2577 states and 3493 transitions. [2021-12-28 05:07:21,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-28 05:07:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3493 transitions. [2021-12-28 05:07:21,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-28 05:07:21,700 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:07:21,700 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1] [2021-12-28 05:07:21,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:07:21,701 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:07:21,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:07:21,702 INFO L85 PathProgramCache]: Analyzing trace with hash -279538160, now seen corresponding path program 1 times [2021-12-28 05:07:21,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:07:21,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314068126] [2021-12-28 05:07:21,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:07:21,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:07:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:07:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:07:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:07:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:07:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:07:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:07:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:07:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:07:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:07:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:07:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:07:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:07:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 05:07:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 05:07:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 05:07:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 05:07:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:07:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 05:07:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 05:07:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-28 05:07:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2021-12-28 05:07:22,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:07:22,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314068126] [2021-12-28 05:07:22,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314068126] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:07:22,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:07:22,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:07:22,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579921468] [2021-12-28 05:07:22,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:07:22,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:07:22,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:07:22,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:07:22,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:07:22,477 INFO L87 Difference]: Start difference. First operand 2577 states and 3493 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-12-28 05:07:24,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:07:35,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:07:35,638 INFO L93 Difference]: Finished difference Result 5287 states and 7334 transitions. [2021-12-28 05:07:35,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 05:07:35,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 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 208 [2021-12-28 05:07:35,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:07:35,672 INFO L225 Difference]: With dead ends: 5287 [2021-12-28 05:07:35,673 INFO L226 Difference]: Without dead ends: 5283 [2021-12-28 05:07:35,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-28 05:07:35,676 INFO L933 BasicCegarLoop]: 1973 mSDtfsCounter, 2193 mSDsluCounter, 4609 mSDsCounter, 0 mSdLazyCounter, 2963 mSolverCounterSat, 801 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 6582 SdHoareTripleChecker+Invalid, 3765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 2963 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-12-28 05:07:35,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2423 Valid, 6582 Invalid, 3765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [801 Valid, 2963 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2021-12-28 05:07:35,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5283 states. [2021-12-28 05:07:35,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5283 to 5139. [2021-12-28 05:07:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 3782 states have (on average 1.257800105764146) internal successors, (4757), 3839 states have internal predecessors, (4757), 1102 states have call successors, (1102), 253 states have call predecessors, (1102), 254 states have return successors, (1192), 1090 states have call predecessors, (1192), 1096 states have call successors, (1192) [2021-12-28 05:07:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 7051 transitions. [2021-12-28 05:07:35,876 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 7051 transitions. Word has length 208 [2021-12-28 05:07:35,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:07:35,877 INFO L470 AbstractCegarLoop]: Abstraction has 5139 states and 7051 transitions. [2021-12-28 05:07:35,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-12-28 05:07:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 7051 transitions. [2021-12-28 05:07:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-28 05:07:35,885 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:07:35,885 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 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, 1, 1, 1] [2021-12-28 05:07:35,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:07:35,886 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:07:35,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:07:35,886 INFO L85 PathProgramCache]: Analyzing trace with hash -663357002, now seen corresponding path program 1 times [2021-12-28 05:07:35,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:07:35,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237186602] [2021-12-28 05:07:35,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:07:35,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:07:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:07:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:07:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:07:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:07:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:07:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:07:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:07:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:07:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:07:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:07:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:07:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:07:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 05:07:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 05:07:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 05:07:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 05:07:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:07:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 05:07:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 05:07:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-28 05:07:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-28 05:07:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2021-12-28 05:07:36,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:07:36,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237186602] [2021-12-28 05:07:36,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237186602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:07:36,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:07:36,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:07:36,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296531479] [2021-12-28 05:07:36,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:07:36,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:07:36,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:07:36,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:07:36,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:07:36,594 INFO L87 Difference]: Start difference. First operand 5139 states and 7051 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-12-28 05:07:38,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:07:43,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:07:43,846 INFO L93 Difference]: Finished difference Result 5287 states and 7334 transitions. [2021-12-28 05:07:43,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:07:43,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 213 [2021-12-28 05:07:43,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:07:43,876 INFO L225 Difference]: With dead ends: 5287 [2021-12-28 05:07:43,877 INFO L226 Difference]: Without dead ends: 5255 [2021-12-28 05:07:43,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 05:07:43,881 INFO L933 BasicCegarLoop]: 1749 mSDtfsCounter, 1834 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 1593 mSolverCounterSat, 517 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1994 SdHoareTripleChecker+Valid, 5044 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 1593 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:07:43,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1994 Valid, 5044 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 1593 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2021-12-28 05:07:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2021-12-28 05:07:44,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 5113. [2021-12-28 05:07:44,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5113 states, 3767 states have (on average 1.258030262808601) internal successors, (4739), 3822 states have internal predecessors, (4739), 1093 states have call successors, (1093), 250 states have call predecessors, (1093), 252 states have return successors, (1186), 1084 states have call predecessors, (1186), 1090 states have call successors, (1186) [2021-12-28 05:07:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 5113 states and 7018 transitions. [2021-12-28 05:07:44,086 INFO L78 Accepts]: Start accepts. Automaton has 5113 states and 7018 transitions. Word has length 213 [2021-12-28 05:07:44,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:07:44,087 INFO L470 AbstractCegarLoop]: Abstraction has 5113 states and 7018 transitions. [2021-12-28 05:07:44,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-12-28 05:07:44,088 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 7018 transitions. [2021-12-28 05:07:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2021-12-28 05:07:44,113 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:07:44,114 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 22, 22, 22, 22, 22, 22, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:07:44,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:07:44,115 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:07:44,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:07:44,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1553639189, now seen corresponding path program 1 times [2021-12-28 05:07:44,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:07:44,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557075341] [2021-12-28 05:07:44,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:07:44,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:07:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:07:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:07:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:07:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:07:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:07:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:07:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:07:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:07:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:07:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:07:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:07:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:07:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 05:07:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 05:07:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:07:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:07:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 05:07:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:07:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:07:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:07:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 05:07:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 05:07:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 05:07:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-28 05:07:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 05:07:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 05:07:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 05:07:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:07:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 05:07:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 05:07:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 05:07:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 05:07:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-28 05:07:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 05:07:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-28 05:07:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 05:07:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 05:07:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:07:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 05:07:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-28 05:07:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 05:07:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-28 05:07:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-28 05:07:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-28 05:07:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-28 05:07:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-28 05:07:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-28 05:07:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-28 05:07:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-28 05:07:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-28 05:07:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:07:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-28 05:07:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-28 05:07:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-12-28 05:07:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:07:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2711 trivial. 0 not checked. [2021-12-28 05:07:45,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:07:45,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557075341] [2021-12-28 05:07:45,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557075341] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:07:45,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:07:45,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-28 05:07:45,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614621991] [2021-12-28 05:07:45,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:07:45,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-28 05:07:45,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:07:45,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-28 05:07:45,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-12-28 05:07:45,857 INFO L87 Difference]: Start difference. First operand 5113 states and 7018 transitions. Second operand has 11 states, 10 states have (on average 20.4) internal successors, (204), 5 states have internal predecessors, (204), 3 states have call successors, (62), 7 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60)