./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 e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:48:39,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:48:39,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:48:39,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:48:39,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:48:39,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:48:39,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:48:39,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:48:39,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:48:39,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:48:39,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:48:39,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:48:39,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:48:39,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:48:39,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:48:39,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:48:39,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:48:39,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:48:39,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:48:39,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:48:39,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:48:39,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:48:39,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:48:39,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:48:39,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:48:39,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:48:39,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:48:39,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:48:39,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:48:39,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:48:39,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:48:39,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:48:39,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:48:39,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:48:39,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:48:39,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:48:39,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:48:39,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:48:39,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:48:39,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:48:39,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:48:39,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:48:39,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:48:39,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:48:39,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:48:39,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:48:39,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:48:39,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:48:39,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:48:39,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:48:39,788 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:48:39,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:48:39,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:48:39,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:48:39,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:48:39,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:48:39,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:48:39,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:48:39,790 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:48:39,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:48:39,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:48:39,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:48:39,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:48:39,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:48:39,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:48:39,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:48:39,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:48:39,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:48:39,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:48:39,792 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:48:39,793 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:48:39,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:48:39,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:48:39,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 [2021-12-22 15:48:39,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:48:39,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:48:39,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:48:39,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:48:39,979 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:48:39,980 INFO L432 ainManager$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 [2021-12-22 15:48:40,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/962a340a5/10cddc0e20ac48a5b5754489cac94651/FLAGedeec4ad4 [2021-12-22 15:48:40,628 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:48:40,628 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 [2021-12-22 15:48:40,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/962a340a5/10cddc0e20ac48a5b5754489cac94651/FLAGedeec4ad4 [2021-12-22 15:48:40,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/962a340a5/10cddc0e20ac48a5b5754489cac94651 [2021-12-22 15:48:40,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:48:40,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:48:40,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:48:40,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:48:40,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:48:40,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:48:40" (1/1) ... [2021-12-22 15:48:40,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337f2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:40, skipping insertion in model container [2021-12-22 15:48:40,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:48:40" (1/1) ... [2021-12-22 15:48:40,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:48:40,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:48:42,108 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] [2021-12-22 15:48:42,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:48:42,156 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:48:42,383 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] [2021-12-22 15:48:42,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:48:42,500 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:48:42,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42 WrapperNode [2021-12-22 15:48:42,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:48:42,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:48:42,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:48:42,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:48:42,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,691 INFO L137 Inliner]: procedures = 347, calls = 1403, calls flagged for inlining = 224, calls inlined = 207, statements flattened = 3854 [2021-12-22 15:48:42,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:48:42,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:48:42,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:48:42,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:48:42,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:48:42,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:48:42,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:48:42,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:48:42,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (1/1) ... [2021-12-22 15:48:42,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:48:42,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:48:42,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:48:42,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:48:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-22 15:48:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-22 15:48:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:48:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:48:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:48:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:48:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:48:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:48:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-22 15:48:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-22 15:48:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2021-12-22 15:48:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2021-12-22 15:48:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:48:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:48:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:48:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:48:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 15:48:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2021-12-22 15:48:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2021-12-22 15:48:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-22 15:48:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-22 15:48:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:48:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:48:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:48:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:48:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2021-12-22 15:48:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2021-12-22 15:48:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:48:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_15 [2021-12-22 15:48:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_15 [2021-12-22 15:48:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2021-12-22 15:48:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2021-12-22 15:48:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:48:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:48:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:48:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:48:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:48:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:48:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:48:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:48:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:48:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-22 15:48:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-22 15:48:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:48:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2021-12-22 15:48:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2021-12-22 15:48:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2021-12-22 15:48:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2021-12-22 15:48:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-22 15:48:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-22 15:48:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:48:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2021-12-22 15:48:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2021-12-22 15:48:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2021-12-22 15:48:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2021-12-22 15:48:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2021-12-22 15:48:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2021-12-22 15:48:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2021-12-22 15:48:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2021-12-22 15:48:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2021-12-22 15:48:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2021-12-22 15:48:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:48:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:48:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:48:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:48:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:48:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:48:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-22 15:48:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-22 15:48:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:48:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:48:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:48:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:48:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:48:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:48:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:48:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:48:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:48:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:48:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:48:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-22 15:48:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-12-22 15:48:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2021-12-22 15:48:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2021-12-22 15:48:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:48:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:48:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:48:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:48:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:48:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:48:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:48:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:48:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:48:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2021-12-22 15:48:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2021-12-22 15:48:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:48:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2021-12-22 15:48:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2021-12-22 15:48:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2021-12-22 15:48:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2021-12-22 15:48:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:48:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:48:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:48:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:48:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:48:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:48:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:48:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:48:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:48:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 15:48:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 15:48:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2021-12-22 15:48:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2021-12-22 15:48:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:48:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:48:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:48:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:48:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2021-12-22 15:48:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2021-12-22 15:48:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:48:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:48:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:48:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:48:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-22 15:48:42,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-22 15:48:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2021-12-22 15:48:42,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2021-12-22 15:48:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2021-12-22 15:48:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2021-12-22 15:48:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:48:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:48:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2021-12-22 15:48:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2021-12-22 15:48:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:48:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:48:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2021-12-22 15:48:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2021-12-22 15:48:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:48:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:48:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:48:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-22 15:48:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-22 15:48:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:48:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:48:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2021-12-22 15:48:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2021-12-22 15:48:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:48:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:48:43,470 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:48:43,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:48:43,658 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:48:57,401 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:48:57,484 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:48:57,499 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:48:57,499 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-22 15:48:57,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:48:57 BoogieIcfgContainer [2021-12-22 15:48:57,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:48:57,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:48:57,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:48:57,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:48:57,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:48:40" (1/3) ... [2021-12-22 15:48:57,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7315b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:48:57, skipping insertion in model container [2021-12-22 15:48:57,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:48:42" (2/3) ... [2021-12-22 15:48:57,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7315b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:48:57, skipping insertion in model container [2021-12-22 15:48:57,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:48:57" (3/3) ... [2021-12-22 15:48:57,509 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2021-12-22 15:48:57,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:48:57,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:48:57,561 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:48:57,576 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:48:57,577 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:48:57,618 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) [2021-12-22 15:48:57,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-22 15:48:57,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:48:57,632 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] [2021-12-22 15:48:57,632 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] === [2021-12-22 15:48:57,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:48:57,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1332555926, now seen corresponding path program 1 times [2021-12-22 15:48:57,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:48:57,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575466799] [2021-12-22 15:48:57,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:48:57,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:48:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:48:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:48:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:48:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:48:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:48:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:48:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:48:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:48:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:48:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:48:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:48:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:48:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:48:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:48:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:58,548 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-22 15:48:58,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:48:58,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575466799] [2021-12-22 15:48:58,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575466799] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:48:58,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:48:58,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:48:58,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663808071] [2021-12-22 15:48:58,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:48:58,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:48:58,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:48:58,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:48:58,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:48:58,590 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) [2021-12-22 15:49:00,632 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 [] [2021-12-22 15:49:02,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:49:07,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:49:07,708 INFO L93 Difference]: Finished difference Result 4004 states and 5594 transitions. [2021-12-22 15:49:07,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:49:07,711 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 [2021-12-22 15:49:07,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:49:07,743 INFO L225 Difference]: With dead ends: 4004 [2021-12-22 15:49:07,743 INFO L226 Difference]: Without dead ends: 2655 [2021-12-22 15:49:07,753 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 [2021-12-22 15:49:07,758 INFO L933 BasicCegarLoop]: 1988 mSDtfsCounter, 2167 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 790 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 4272 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:49:07,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2404 Valid, 4272 Invalid, 1822 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [790 Valid, 1030 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2021-12-22 15:49:07,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states. [2021-12-22 15:49:07,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2577. [2021-12-22 15:49:07,939 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) [2021-12-22 15:49:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3493 transitions. [2021-12-22 15:49:07,958 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3493 transitions. Word has length 156 [2021-12-22 15:49:07,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:49:07,960 INFO L470 AbstractCegarLoop]: Abstraction has 2577 states and 3493 transitions. [2021-12-22 15:49:07,960 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) [2021-12-22 15:49:07,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3493 transitions. [2021-12-22 15:49:07,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-22 15:49:07,974 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:49:07,975 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] [2021-12-22 15:49:07,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:49:07,975 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] === [2021-12-22 15:49:07,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:49:07,976 INFO L85 PathProgramCache]: Analyzing trace with hash -279538160, now seen corresponding path program 1 times [2021-12-22 15:49:07,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:49:07,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653729510] [2021-12-22 15:49:07,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:49:07,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:49:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:49:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:49:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:49:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:49:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:49:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:49:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:49:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:49:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:49:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:49:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:49:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:49:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:49:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:49:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 15:49:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 15:49:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:49:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 15:49:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 15:49:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-22 15:49:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2021-12-22 15:49:08,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:49:08,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653729510] [2021-12-22 15:49:08,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653729510] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:49:08,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:49:08,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:49:08,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952773135] [2021-12-22 15:49:08,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:49:08,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:49:08,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:49:08,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:49:08,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:49:08,743 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) [2021-12-22 15:49:10,774 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 [] [2021-12-22 15:49:19,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:49:19,754 INFO L93 Difference]: Finished difference Result 5287 states and 7334 transitions. [2021-12-22 15:49:19,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:49:19,754 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 [2021-12-22 15:49:19,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:49:19,776 INFO L225 Difference]: With dead ends: 5287 [2021-12-22 15:49:19,776 INFO L226 Difference]: Without dead ends: 5283 [2021-12-22 15:49:19,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-22 15:49:19,779 INFO L933 BasicCegarLoop]: 1970 mSDtfsCounter, 2193 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 801 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2425 SdHoareTripleChecker+Valid, 7568 SdHoareTripleChecker+Invalid, 2766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:49:19,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2425 Valid, 7568 Invalid, 2766 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [801 Valid, 1964 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2021-12-22 15:49:19,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5283 states. [2021-12-22 15:49:19,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5283 to 5139. [2021-12-22 15:49:19,909 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) [2021-12-22 15:49:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 7051 transitions. [2021-12-22 15:49:19,930 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 7051 transitions. Word has length 208 [2021-12-22 15:49:19,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:49:19,930 INFO L470 AbstractCegarLoop]: Abstraction has 5139 states and 7051 transitions. [2021-12-22 15:49:19,931 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) [2021-12-22 15:49:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 7051 transitions. [2021-12-22 15:49:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-22 15:49:19,936 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:49:19,936 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] [2021-12-22 15:49:19,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:49:19,937 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] === [2021-12-22 15:49:19,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:49:19,937 INFO L85 PathProgramCache]: Analyzing trace with hash -663357002, now seen corresponding path program 1 times [2021-12-22 15:49:19,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:49:19,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003156219] [2021-12-22 15:49:19,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:49:19,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:49:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:49:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:49:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:49:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:49:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:49:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:49:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:49:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:49:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:49:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:49:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:49:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:49:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:49:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:49:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 15:49:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 15:49:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:49:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 15:49:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 15:49:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-22 15:49:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-22 15:49:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2021-12-22 15:49:20,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:49:20,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003156219] [2021-12-22 15:49:20,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003156219] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:49:20,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:49:20,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:49:20,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848945982] [2021-12-22 15:49:20,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:49:20,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:49:20,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:49:20,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:49:20,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:49:20,588 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) [2021-12-22 15:49:22,616 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 [] [2021-12-22 15:49:27,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:49:27,548 INFO L93 Difference]: Finished difference Result 5287 states and 7334 transitions. [2021-12-22 15:49:27,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:49:27,548 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 [2021-12-22 15:49:27,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:49:27,573 INFO L225 Difference]: With dead ends: 5287 [2021-12-22 15:49:27,573 INFO L226 Difference]: Without dead ends: 5255 [2021-12-22 15:49:27,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:49:27,577 INFO L933 BasicCegarLoop]: 1748 mSDtfsCounter, 1834 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 517 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s 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, 6.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:49:27,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1995 Valid, 5487 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 1146 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2021-12-22 15:49:27,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2021-12-22 15:49:27,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 5113. [2021-12-22 15:49:27,742 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) [2021-12-22 15:49:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 5113 states and 7018 transitions. [2021-12-22 15:49:27,758 INFO L78 Accepts]: Start accepts. Automaton has 5113 states and 7018 transitions. Word has length 213 [2021-12-22 15:49:27,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:49:27,760 INFO L470 AbstractCegarLoop]: Abstraction has 5113 states and 7018 transitions. [2021-12-22 15:49:27,760 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) [2021-12-22 15:49:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 7018 transitions. [2021-12-22 15:49:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2021-12-22 15:49:27,778 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:49:27,780 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] [2021-12-22 15:49:27,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:49:27,781 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] === [2021-12-22 15:49:27,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:49:27,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1553639189, now seen corresponding path program 1 times [2021-12-22 15:49:27,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:49:27,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8666991] [2021-12-22 15:49:27,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:49:27,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:49:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:49:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:49:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:49:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:49:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:49:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:49:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:49:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:49:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:49:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:49:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:49:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:49:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:49:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 15:49:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:49:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:49:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:49:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:49:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:49:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:49:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:49:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 15:49:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 15:49:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-22 15:49:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:49:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 15:49:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:49:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:49:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:49:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 15:49:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 15:49:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 15:49:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:49:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:49:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:49:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-22 15:49:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 15:49:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:49:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:49:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-22 15:49:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-22 15:49:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-22 15:49:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-22 15:49:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-22 15:49:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-22 15:49:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-22 15:49:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-22 15:49:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-22 15:49:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-22 15:49:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-22 15:49:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:49:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-22 15:49:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-22 15:49:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-12-22 15:49:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:49:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2711 trivial. 0 not checked. [2021-12-22 15:49:29,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:49:29,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8666991] [2021-12-22 15:49:29,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8666991] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:49:29,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:49:29,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-22 15:49:29,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750932365] [2021-12-22 15:49:29,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:49:29,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-22 15:49:29,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:49:29,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 15:49:29,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-12-22 15:49:29,422 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) [2021-12-22 15:49:31,451 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 [] [2021-12-22 15:49:33,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:49:35,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:49:37,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []