./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 05:08:49,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:08:49,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:08:50,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:08:50,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:08:50,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:08:50,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:08:50,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:08:50,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:08:50,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:08:50,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:08:50,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:08:50,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:08:50,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:08:50,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:08:50,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:08:50,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:08:50,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:08:50,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:08:50,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:08:50,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:08:50,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:08:50,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:08:50,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:08:50,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:08:50,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:08:50,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:08:50,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:08:50,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:08:50,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:08:50,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:08:50,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:08:50,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:08:50,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:08:50,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:08:50,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:08:50,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:08:50,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:08:50,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:08:50,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:08:50,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:08:50,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:08:50,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:08:50,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:08:50,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:08:50,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:08:50,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:08:50,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:08:50,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:08:50,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:08:50,081 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:08:50,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:08:50,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:08:50,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:08:50,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:08:50,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:08:50,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:08:50,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:08:50,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:08:50,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:08:50,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:08:50,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:08:50,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:08:50,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:08:50,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:08:50,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:08:50,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:08:50,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:08:50,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:08:50,084 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:08:50,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:08:50,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:08:50,085 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:08:50,085 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 [2021-12-16 05:08:50,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:08:50,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:08:50,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:08:50,312 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:08:50,313 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:08:50,314 INFO L432 ainManager$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 [2021-12-16 05:08:50,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf3d8c4dd/9fcfa2a2b8884ed783411366c545e51e/FLAGfff6efa48 [2021-12-16 05:08:50,915 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:08:50,916 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 [2021-12-16 05:08:50,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf3d8c4dd/9fcfa2a2b8884ed783411366c545e51e/FLAGfff6efa48 [2021-12-16 05:08:51,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf3d8c4dd/9fcfa2a2b8884ed783411366c545e51e [2021-12-16 05:08:51,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:08:51,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:08:51,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:08:51,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:08:51,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:08:51,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:08:51" (1/1) ... [2021-12-16 05:08:51,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a13790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:51, skipping insertion in model container [2021-12-16 05:08:51,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:08:51" (1/1) ... [2021-12-16 05:08:51,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:08:51,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:08:52,468 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] [2021-12-16 05:08:52,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:08:52,509 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:08:52,776 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] [2021-12-16 05:08:52,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:08:52,897 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:08:52,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52 WrapperNode [2021-12-16 05:08:52,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:08:52,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:08:52,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:08:52,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:08:52,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:52,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:53,078 INFO L137 Inliner]: procedures = 347, calls = 1403, calls flagged for inlining = 224, calls inlined = 207, statements flattened = 3854 [2021-12-16 05:08:53,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:08:53,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:08:53,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:08:53,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:08:53,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:53,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:53,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:53,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:53,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:53,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:53,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:53,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:08:53,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:08:53,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:08:53,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:08:53,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (1/1) ... [2021-12-16 05:08:53,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:08:53,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:08:53,255 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) [2021-12-16 05:08:53,263 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 [2021-12-16 05:08:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-16 05:08:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-16 05:08:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 05:08:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 05:08:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:08:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:08:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 05:08:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 05:08:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-16 05:08:53,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-16 05:08:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2021-12-16 05:08:53,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2021-12-16 05:08:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 05:08:53,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 05:08:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:08:53,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:08:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-16 05:08:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2021-12-16 05:08:53,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2021-12-16 05:08:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-16 05:08:53,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-16 05:08:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 05:08:53,301 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 05:08:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 05:08:53,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 05:08:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2021-12-16 05:08:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2021-12-16 05:08:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:08:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_15 [2021-12-16 05:08:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_15 [2021-12-16 05:08:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2021-12-16 05:08:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2021-12-16 05:08:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 05:08:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 05:08:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:08:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:08:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:08:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 05:08:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 05:08:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:08:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:08:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-16 05:08:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-16 05:08:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:08:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2021-12-16 05:08:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2021-12-16 05:08:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2021-12-16 05:08:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2021-12-16 05:08:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-16 05:08:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-16 05:08:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:08:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2021-12-16 05:08:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2021-12-16 05:08:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2021-12-16 05:08:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2021-12-16 05:08:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2021-12-16 05:08:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2021-12-16 05:08:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2021-12-16 05:08:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2021-12-16 05:08:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2021-12-16 05:08:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2021-12-16 05:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 05:08:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 05:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 05:08:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 05:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:08:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-16 05:08:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-16 05:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 05:08:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:08:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:08:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:08:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:08:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 05:08:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 05:08:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 05:08:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 05:08:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 05:08:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 05:08:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-16 05:08:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-16 05:08:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2021-12-16 05:08:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2021-12-16 05:08:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 05:08:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 05:08:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 05:08:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 05:08:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 05:08:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 05:08:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:08:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:08:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:08:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2021-12-16 05:08:53,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2021-12-16 05:08:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:08:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2021-12-16 05:08:53,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2021-12-16 05:08:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2021-12-16 05:08:53,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2021-12-16 05:08:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 05:08:53,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 05:08:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 05:08:53,310 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 05:08:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 05:08:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 05:08:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-16 05:08:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-16 05:08:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:08:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-16 05:08:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-16 05:08:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2021-12-16 05:08:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2021-12-16 05:08:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:08:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:08:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:08:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 05:08:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2021-12-16 05:08:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2021-12-16 05:08:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:08:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:08:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:08:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:08:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-16 05:08:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-16 05:08:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2021-12-16 05:08:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2021-12-16 05:08:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2021-12-16 05:08:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2021-12-16 05:08:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:08:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:08:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2021-12-16 05:08:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2021-12-16 05:08:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 05:08:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 05:08:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2021-12-16 05:08:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2021-12-16 05:08:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 05:08:53,314 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 05:08:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:08:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-16 05:08:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-16 05:08:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 05:08:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 05:08:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2021-12-16 05:08:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2021-12-16 05:08:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:08:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:08:53,837 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:08:53,839 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:08:54,016 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:09:07,409 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 05:09:07,504 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:09:07,516 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:09:07,517 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-16 05:09:07,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:09:07 BoogieIcfgContainer [2021-12-16 05:09:07,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:09:07,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:09:07,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:09:07,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:09:07,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:08:51" (1/3) ... [2021-12-16 05:09:07,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc4d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:09:07, skipping insertion in model container [2021-12-16 05:09:07,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:08:52" (2/3) ... [2021-12-16 05:09:07,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc4d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:09:07, skipping insertion in model container [2021-12-16 05:09:07,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:09:07" (3/3) ... [2021-12-16 05:09:07,525 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2021-12-16 05:09:07,528 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:09:07,528 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 05:09:07,562 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:09:07,567 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 [2021-12-16 05:09:07,567 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 05:09:07,600 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) [2021-12-16 05:09:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-16 05:09:07,611 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:09:07,612 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] [2021-12-16 05:09:07,612 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] === [2021-12-16 05:09:07,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:09:07,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1332555926, now seen corresponding path program 1 times [2021-12-16 05:09:07,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:09:07,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721063310] [2021-12-16 05:09:07,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:09:07,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:09:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:09:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:09:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:09:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:09:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:09:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:09:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:09:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:09:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:09:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:09:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:09:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:09:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:09:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:09:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-16 05:09:08,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:09:08,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721063310] [2021-12-16 05:09:08,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721063310] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:09:08,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:09:08,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:09:08,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950110025] [2021-12-16 05:09:08,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:09:08,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:09:08,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:09:08,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:09:08,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:09:08,472 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) [2021-12-16 05:09:10,517 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 [] [2021-12-16 05:09:12,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:09:17,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:09:17,581 INFO L93 Difference]: Finished difference Result 4004 states and 5594 transitions. [2021-12-16 05:09:17,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:09:17,584 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 [2021-12-16 05:09:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:09:17,613 INFO L225 Difference]: With dead ends: 4004 [2021-12-16 05:09:17,613 INFO L226 Difference]: Without dead ends: 2655 [2021-12-16 05:09:17,630 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 [2021-12-16 05:09:17,638 INFO L933 BasicCegarLoop]: 1991 mSDtfsCounter, 2167 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 790 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 4279 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:09:17,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2402 Valid, 4279 Invalid, 1822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [790 Valid, 1030 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2021-12-16 05:09:17,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states. [2021-12-16 05:09:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2577. [2021-12-16 05:09:17,806 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) [2021-12-16 05:09:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3493 transitions. [2021-12-16 05:09:17,822 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3493 transitions. Word has length 156 [2021-12-16 05:09:17,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:09:17,824 INFO L470 AbstractCegarLoop]: Abstraction has 2577 states and 3493 transitions. [2021-12-16 05:09:17,824 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) [2021-12-16 05:09:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3493 transitions. [2021-12-16 05:09:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-16 05:09:17,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:09:17,834 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] [2021-12-16 05:09:17,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:09:17,834 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] === [2021-12-16 05:09:17,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:09:17,835 INFO L85 PathProgramCache]: Analyzing trace with hash -279538160, now seen corresponding path program 1 times [2021-12-16 05:09:17,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:09:17,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55631044] [2021-12-16 05:09:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:09:17,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:09:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:09:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:09:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:09:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:09:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:09:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:09:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:09:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:09:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:09:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:09:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:09:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:09:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:09:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 05:09:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 05:09:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 05:09:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 05:09:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-16 05:09:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-16 05:09:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-16 05:09:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2021-12-16 05:09:18,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:09:18,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55631044] [2021-12-16 05:09:18,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55631044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:09:18,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:09:18,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:09:18,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352241602] [2021-12-16 05:09:18,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:09:18,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:09:18,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:09:18,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:09:18,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:09:18,479 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) [2021-12-16 05:09:20,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:09:28,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:09:28,442 INFO L93 Difference]: Finished difference Result 5287 states and 7334 transitions. [2021-12-16 05:09:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 05:09:28,443 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 [2021-12-16 05:09:28,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:09:28,471 INFO L225 Difference]: With dead ends: 5287 [2021-12-16 05:09:28,471 INFO L226 Difference]: Without dead ends: 5283 [2021-12-16 05:09:28,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-16 05:09:28,476 INFO L933 BasicCegarLoop]: 1970 mSDtfsCounter, 2193 mSDsluCounter, 5597 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 801 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 7567 SdHoareTripleChecker+Invalid, 2766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-16 05:09:28,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2424 Valid, 7567 Invalid, 2766 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [801 Valid, 1964 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2021-12-16 05:09:28,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5283 states. [2021-12-16 05:09:28,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5283 to 5139. [2021-12-16 05:09:28,631 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) [2021-12-16 05:09:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 7051 transitions. [2021-12-16 05:09:28,654 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 7051 transitions. Word has length 208 [2021-12-16 05:09:28,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:09:28,655 INFO L470 AbstractCegarLoop]: Abstraction has 5139 states and 7051 transitions. [2021-12-16 05:09:28,655 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) [2021-12-16 05:09:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 7051 transitions. [2021-12-16 05:09:28,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-16 05:09:28,663 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:09:28,663 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] [2021-12-16 05:09:28,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:09:28,666 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] === [2021-12-16 05:09:28,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:09:28,667 INFO L85 PathProgramCache]: Analyzing trace with hash -663357002, now seen corresponding path program 1 times [2021-12-16 05:09:28,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:09:28,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130936674] [2021-12-16 05:09:28,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:09:28,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:09:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:09:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:09:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:09:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:09:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:09:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:09:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:09:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:09:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:09:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:09:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:09:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:09:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:09:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 05:09:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 05:09:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 05:09:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 05:09:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-16 05:09:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-16 05:09:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-16 05:09:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-16 05:09:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2021-12-16 05:09:29,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:09:29,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130936674] [2021-12-16 05:09:29,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130936674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:09:29,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:09:29,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:09:29,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055065420] [2021-12-16 05:09:29,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:09:29,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:09:29,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:09:29,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:09:29,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:09:29,240 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) [2021-12-16 05:09:31,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:09:36,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:09:36,088 INFO L93 Difference]: Finished difference Result 5287 states and 7334 transitions. [2021-12-16 05:09:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:09:36,088 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 [2021-12-16 05:09:36,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:09:36,116 INFO L225 Difference]: With dead ends: 5287 [2021-12-16 05:09:36,117 INFO L226 Difference]: Without dead ends: 5255 [2021-12-16 05:09:36,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:09:36,126 INFO L933 BasicCegarLoop]: 1748 mSDtfsCounter, 1834 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 517 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 5487 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-16 05:09:36,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1995 Valid, 5487 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 1146 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2021-12-16 05:09:36,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2021-12-16 05:09:36,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 5113. [2021-12-16 05:09:36,298 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) [2021-12-16 05:09:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 5113 states and 7018 transitions. [2021-12-16 05:09:36,316 INFO L78 Accepts]: Start accepts. Automaton has 5113 states and 7018 transitions. Word has length 213 [2021-12-16 05:09:36,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:09:36,317 INFO L470 AbstractCegarLoop]: Abstraction has 5113 states and 7018 transitions. [2021-12-16 05:09:36,317 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) [2021-12-16 05:09:36,317 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 7018 transitions. [2021-12-16 05:09:36,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2021-12-16 05:09:36,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:09:36,340 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] [2021-12-16 05:09:36,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 05:09:36,341 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] === [2021-12-16 05:09:36,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:09:36,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1553639189, now seen corresponding path program 1 times [2021-12-16 05:09:36,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:09:36,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769822622] [2021-12-16 05:09:36,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:09:36,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:09:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:09:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:09:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:09:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:09:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:09:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:09:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:09:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:09:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:09:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:09:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:09:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:09:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:36,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:09:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 05:09:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:09:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:09:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 05:09:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:09:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:09:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:09:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 05:09:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:09:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 05:09:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-16 05:09:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 05:09:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 05:09:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-16 05:09:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 05:09:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:09:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-16 05:09:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 05:09:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-16 05:09:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-16 05:09:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 05:09:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-16 05:09:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-16 05:09:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-16 05:09:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:09:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 05:09:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-16 05:09:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-16 05:09:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-16 05:09:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-16 05:09:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-16 05:09:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-16 05:09:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-16 05:09:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-16 05:09:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-16 05:09:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-16 05:09:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-16 05:09:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:09:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-16 05:09:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-16 05:09:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-12-16 05:09:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:09:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2711 trivial. 0 not checked. [2021-12-16 05:09:37,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:09:37,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769822622] [2021-12-16 05:09:37,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769822622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:09:37,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:09:37,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-16 05:09:37,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734358311] [2021-12-16 05:09:37,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:09:37,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-16 05:09:37,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:09:37,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-16 05:09:37,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-12-16 05:09:37,766 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) [2021-12-16 05:09:39,794 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 [] [2021-12-16 05:09:41,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:09:44,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:09:46,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []