./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 15:15:21,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:15:21,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:15:21,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:15:21,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:15:21,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:15:21,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:15:21,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:15:21,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:15:21,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:15:21,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:15:21,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:15:21,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:15:21,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:15:21,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:15:21,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:15:22,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:15:22,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:15:22,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:15:22,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:15:22,010 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:15:22,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:15:22,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:15:22,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:15:22,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:15:22,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:15:22,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:15:22,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:15:22,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:15:22,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:15:22,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:15:22,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:15:22,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:15:22,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:15:22,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:15:22,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:15:22,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:15:22,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:15:22,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:15:22,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:15:22,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:15:22,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:15:22,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:15:22,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:15:22,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:15:22,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:15:22,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:15:22,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:15:22,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:15:22,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:15:22,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:15:22,072 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:15:22,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:15:22,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:15:22,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:15:22,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:15:22,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:15:22,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:15:22,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:15:22,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:15:22,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:15:22,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:15:22,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:15:22,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:15:22,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:15:22,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:15:22,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:15:22,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:15:22,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:15:22,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:15:22,076 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:15:22,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:15:22,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:15:22,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2022-07-21 15:15:22,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:15:22,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:15:22,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:15:22,459 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:15:22,459 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:15:22,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-21 15:15:22,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2b957c9/aea898fca7d74feeb113b4cf3d104088/FLAG4f3efcc40 [2022-07-21 15:15:23,392 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:15:23,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-21 15:15:23,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2b957c9/aea898fca7d74feeb113b4cf3d104088/FLAG4f3efcc40 [2022-07-21 15:15:23,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2b957c9/aea898fca7d74feeb113b4cf3d104088 [2022-07-21 15:15:23,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:15:23,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:15:23,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:15:23,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:15:23,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:15:23,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:15:23" (1/1) ... [2022-07-21 15:15:23,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd59bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:23, skipping insertion in model container [2022-07-21 15:15:23,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:15:23" (1/1) ... [2022-07-21 15:15:23,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:15:23,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:15:26,402 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_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-07-21 15:15:26,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:15:26,460 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:15:26,908 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_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2022-07-21 15:15:26,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:15:27,146 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:15:27,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27 WrapperNode [2022-07-21 15:15:27,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:15:27,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:15:27,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:15:27,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:15:27,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,470 INFO L137 Inliner]: procedures = 414, calls = 2181, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5992 [2022-07-21 15:15:27,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:15:27,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:15:27,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:15:27,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:15:27,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:15:27,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:15:27,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:15:27,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:15:27,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (1/1) ... [2022-07-21 15:15:27,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:15:27,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:15:27,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 15:15:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 15:15:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 15:15:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 15:15:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 15:15:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 15:15:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 15:15:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:15:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:15:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-07-21 15:15:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-07-21 15:15:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-21 15:15:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-21 15:15:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 15:15:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 15:15:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 15:15:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 15:15:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-07-21 15:15:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-07-21 15:15:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-07-21 15:15:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-07-21 15:15:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 15:15:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 15:15:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-07-21 15:15:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-07-21 15:15:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:15:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:15:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 15:15:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 15:15:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 15:15:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 15:15:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:15:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:15:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-21 15:15:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-21 15:15:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 15:15:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 15:15:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:15:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-07-21 15:15:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-07-21 15:15:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 15:15:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 15:15:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-21 15:15:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-21 15:15:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 15:15:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 15:15:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 15:15:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-07-21 15:15:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-07-21 15:15:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 15:15:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 15:15:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 15:15:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 15:15:27,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 15:15:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 15:15:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:15:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:15:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 15:15:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 15:15:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 15:15:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-07-21 15:15:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-07-21 15:15:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 15:15:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 15:15:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-21 15:15:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-21 15:15:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-07-21 15:15:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-07-21 15:15:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 15:15:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 15:15:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-07-21 15:15:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-07-21 15:15:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-07-21 15:15:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-07-21 15:15:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:15:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-21 15:15:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-21 15:15:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-07-21 15:15:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-07-21 15:15:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 15:15:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 15:15:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:15:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:15:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:15:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-07-21 15:15:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-07-21 15:15:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:15:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:15:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:15:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 15:15:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 15:15:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-21 15:15:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-21 15:15:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 15:15:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 15:15:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 15:15:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 15:15:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 15:15:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 15:15:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-07-21 15:15:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-07-21 15:15:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-21 15:15:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-21 15:15:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:15:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:15:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 15:15:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 15:15:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-21 15:15:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-21 15:15:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 15:15:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 15:15:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:15:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:15:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-21 15:15:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-21 15:15:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-07-21 15:15:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-07-21 15:15:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 15:15:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 15:15:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-07-21 15:15:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-07-21 15:15:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-07-21 15:15:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-07-21 15:15:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-07-21 15:15:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-07-21 15:15:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 15:15:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 15:15:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-07-21 15:15:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-07-21 15:15:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-07-21 15:15:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-07-21 15:15:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-07-21 15:15:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-07-21 15:15:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-07-21 15:15:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-07-21 15:15:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-07-21 15:15:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-07-21 15:15:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-07-21 15:15:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-07-21 15:15:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-07-21 15:15:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-07-21 15:15:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 15:15:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 15:15:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 15:15:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 15:15:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-07-21 15:15:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-07-21 15:15:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:15:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-21 15:15:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-21 15:15:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-21 15:15:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-21 15:15:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 15:15:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 15:15:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-07-21 15:15:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-07-21 15:15:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:15:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-07-21 15:15:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-07-21 15:15:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-07-21 15:15:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-07-21 15:15:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:15:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-07-21 15:15:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-07-21 15:15:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-07-21 15:15:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-07-21 15:15:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 15:15:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 15:15:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 15:15:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 15:15:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-07-21 15:15:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-07-21 15:15:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 15:15:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 15:15:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-07-21 15:15:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-07-21 15:15:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-07-21 15:15:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-07-21 15:15:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:15:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:15:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-07-21 15:15:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-07-21 15:15:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 15:15:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 15:15:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 15:15:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 15:15:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 15:15:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 15:15:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 15:15:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 15:15:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-07-21 15:15:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-07-21 15:15:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 15:15:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 15:15:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 15:15:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 15:15:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 15:15:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:15:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:15:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-07-21 15:15:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-07-21 15:15:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 15:15:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 15:15:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-07-21 15:15:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-07-21 15:15:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-07-21 15:15:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-07-21 15:15:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-07-21 15:15:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-07-21 15:15:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 15:15:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 15:15:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-21 15:15:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-21 15:15:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:15:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:15:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-21 15:15:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-21 15:15:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 15:15:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 15:15:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 15:15:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 15:15:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 15:15:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 15:15:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 15:15:28,902 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:15:28,907 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:15:29,007 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:15:38,780 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:15:38,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:15:38,809 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 15:15:38,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:15:38 BoogieIcfgContainer [2022-07-21 15:15:38,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:15:38,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:15:38,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:15:38,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:15:38,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:15:23" (1/3) ... [2022-07-21 15:15:38,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f53a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:15:38, skipping insertion in model container [2022-07-21 15:15:38,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:15:27" (2/3) ... [2022-07-21 15:15:38,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f53a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:15:38, skipping insertion in model container [2022-07-21 15:15:38,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:15:38" (3/3) ... [2022-07-21 15:15:38,822 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-21 15:15:38,836 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:15:38,836 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 15:15:38,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:15:38,983 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@571810fe, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@a9cac45 [2022-07-21 15:15:38,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 15:15:39,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 2021 states, 1437 states have (on average 1.3089770354906054) internal successors, (1881), 1464 states have internal predecessors, (1881), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) [2022-07-21 15:15:39,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-21 15:15:39,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:15:39,017 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-21 15:15:39,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:15:39,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:15:39,026 INFO L85 PathProgramCache]: Analyzing trace with hash -629895464, now seen corresponding path program 1 times [2022-07-21 15:15:39,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:15:39,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562844900] [2022-07-21 15:15:39,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:39,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:15:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:15:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:15:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:39,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 15:15:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:15:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:15:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:39,785 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 15:15:39,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:15:39,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562844900] [2022-07-21 15:15:39,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562844900] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:15:39,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:15:39,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:15:39,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015074757] [2022-07-21 15:15:39,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:15:39,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:15:39,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:15:39,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:15:39,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:15:39,837 INFO L87 Difference]: Start difference. First operand has 2021 states, 1437 states have (on average 1.3089770354906054) internal successors, (1881), 1464 states have internal predecessors, (1881), 480 states have call successors, (480), 103 states have call predecessors, (480), 102 states have return successors, (474), 469 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 15:15:40,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:15:40,157 INFO L93 Difference]: Finished difference Result 4021 states and 5707 transitions. [2022-07-21 15:15:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 15:15:40,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-07-21 15:15:40,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:15:40,199 INFO L225 Difference]: With dead ends: 4021 [2022-07-21 15:15:40,199 INFO L226 Difference]: Without dead ends: 2011 [2022-07-21 15:15:40,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:15:40,224 INFO L413 NwaCegarLoop]: 2747 mSDtfsCounter, 2734 mSDsluCounter, 5489 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 8236 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:15:40,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2738 Valid, 8236 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 15:15:40,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2022-07-21 15:15:40,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 2011. [2022-07-21 15:15:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2011 states, 1434 states have (on average 1.2489539748953975) internal successors, (1791), 1457 states have internal predecessors, (1791), 474 states have call successors, (474), 103 states have call predecessors, (474), 102 states have return successors, (471), 466 states have call predecessors, (471), 471 states have call successors, (471) [2022-07-21 15:15:40,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2736 transitions. [2022-07-21 15:15:40,396 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2736 transitions. Word has length 48 [2022-07-21 15:15:40,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:15:40,397 INFO L495 AbstractCegarLoop]: Abstraction has 2011 states and 2736 transitions. [2022-07-21 15:15:40,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 15:15:40,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2736 transitions. [2022-07-21 15:15:40,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-21 15:15:40,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:15:40,401 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-07-21 15:15:40,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 15:15:40,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:15:40,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:15:40,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1221456940, now seen corresponding path program 1 times [2022-07-21 15:15:40,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:15:40,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616441668] [2022-07-21 15:15:40,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:40,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:15:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:40,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:15:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:15:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 15:15:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:15:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:15:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:15:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 15:15:40,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:15:40,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616441668] [2022-07-21 15:15:40,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616441668] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:15:40,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:15:40,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:15:40,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086046514] [2022-07-21 15:15:40,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:15:40,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:15:40,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:15:40,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:15:40,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:15:40,726 INFO L87 Difference]: Start difference. First operand 2011 states and 2736 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-21 15:15:41,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:15:41,037 INFO L93 Difference]: Finished difference Result 3968 states and 5441 transitions. [2022-07-21 15:15:41,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:15:41,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-07-21 15:15:41,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:15:41,073 INFO L225 Difference]: With dead ends: 3968 [2022-07-21 15:15:41,073 INFO L226 Difference]: Without dead ends: 3966 [2022-07-21 15:15:41,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:15:41,082 INFO L413 NwaCegarLoop]: 3294 mSDtfsCounter, 2740 mSDsluCounter, 9244 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 12538 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:15:41,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 12538 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 15:15:41,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2022-07-21 15:15:41,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3941. [2022-07-21 15:15:41,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3941 states, 2815 states have (on average 1.2486678507992894) internal successors, (3515), 2860 states have internal predecessors, (3515), 923 states have call successors, (923), 205 states have call predecessors, (923), 202 states have return successors, (969), 906 states have call predecessors, (969), 917 states have call successors, (969) [2022-07-21 15:15:41,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 5407 transitions. [2022-07-21 15:15:41,301 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 5407 transitions. Word has length 53 [2022-07-21 15:15:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:15:41,301 INFO L495 AbstractCegarLoop]: Abstraction has 3941 states and 5407 transitions. [2022-07-21 15:15:41,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-21 15:15:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 5407 transitions. [2022-07-21 15:15:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 15:15:41,309 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:15:41,309 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:15:41,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 15:15:41,310 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:15:41,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:15:41,310 INFO L85 PathProgramCache]: Analyzing trace with hash -754984168, now seen corresponding path program 1 times [2022-07-21 15:15:41,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:15:41,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654773618] [2022-07-21 15:15:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:41,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:15:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:41,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:15:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:15:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 15:15:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:41,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:15:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:15:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:15:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:41,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-21 15:15:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-21 15:15:41,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:15:41,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654773618] [2022-07-21 15:15:41,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654773618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:15:41,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:15:41,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:15:41,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634779567] [2022-07-21 15:15:41,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:15:41,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:15:41,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:15:41,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:15:41,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:15:41,606 INFO L87 Difference]: Start difference. First operand 3941 states and 5407 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 15:15:41,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:15:41,911 INFO L93 Difference]: Finished difference Result 7832 states and 10876 transitions. [2022-07-21 15:15:41,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:15:41,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-07-21 15:15:41,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:15:41,984 INFO L225 Difference]: With dead ends: 7832 [2022-07-21 15:15:41,984 INFO L226 Difference]: Without dead ends: 7828 [2022-07-21 15:15:41,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:15:41,998 INFO L413 NwaCegarLoop]: 3280 mSDtfsCounter, 2740 mSDsluCounter, 9222 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2741 SdHoareTripleChecker+Valid, 12502 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:15:42,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2741 Valid, 12502 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 15:15:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7828 states. [2022-07-21 15:15:42,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7828 to 7789. [2022-07-21 15:15:42,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7789 states, 5569 states have (on average 1.2486981504758485) internal successors, (6954), 5657 states have internal predecessors, (6954), 1819 states have call successors, (1819), 408 states have call predecessors, (1819), 400 states have return successors, (2049), 1784 states have call predecessors, (2049), 1807 states have call successors, (2049) [2022-07-21 15:15:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7789 states to 7789 states and 10822 transitions. [2022-07-21 15:15:42,447 INFO L78 Accepts]: Start accepts. Automaton has 7789 states and 10822 transitions. Word has length 58 [2022-07-21 15:15:42,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:15:42,448 INFO L495 AbstractCegarLoop]: Abstraction has 7789 states and 10822 transitions. [2022-07-21 15:15:42,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 15:15:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 7789 states and 10822 transitions. [2022-07-21 15:15:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-21 15:15:42,451 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:15:42,451 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2022-07-21 15:15:42,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 15:15:42,451 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:15:42,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:15:42,452 INFO L85 PathProgramCache]: Analyzing trace with hash 216170348, now seen corresponding path program 1 times [2022-07-21 15:15:42,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:15:42,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013321145] [2022-07-21 15:15:42,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:42,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:15:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:15:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:15:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 15:15:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:15:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:15:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:15:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-21 15:15:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:15:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:15:42,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:15:42,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013321145] [2022-07-21 15:15:42,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013321145] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:15:42,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:15:42,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:15:42,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308661816] [2022-07-21 15:15:42,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:15:42,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:15:42,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:15:42,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:15:42,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:15:42,738 INFO L87 Difference]: Start difference. First operand 7789 states and 10822 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 15:15:43,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:15:43,281 INFO L93 Difference]: Finished difference Result 15569 states and 22067 transitions. [2022-07-21 15:15:43,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:15:43,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-07-21 15:15:43,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:15:43,448 INFO L225 Difference]: With dead ends: 15569 [2022-07-21 15:15:43,448 INFO L226 Difference]: Without dead ends: 15499 [2022-07-21 15:15:43,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:15:43,472 INFO L413 NwaCegarLoop]: 3245 mSDtfsCounter, 2746 mSDsluCounter, 9207 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2746 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:15:43,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2746 Valid, 12452 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 15:15:43,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15499 states. [2022-07-21 15:15:44,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15499 to 15489. [2022-07-21 15:15:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15489 states, 11082 states have (on average 1.2493232268543584) internal successors, (13845), 11256 states have internal predecessors, (13845), 3613 states have call successors, (3613), 807 states have call predecessors, (3613), 793 states have return successors, (4516), 3546 states have call predecessors, (4516), 3592 states have call successors, (4516) [2022-07-21 15:15:44,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15489 states to 15489 states and 21974 transitions. [2022-07-21 15:15:44,429 INFO L78 Accepts]: Start accepts. Automaton has 15489 states and 21974 transitions. Word has length 63 [2022-07-21 15:15:44,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:15:44,430 INFO L495 AbstractCegarLoop]: Abstraction has 15489 states and 21974 transitions. [2022-07-21 15:15:44,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 15:15:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 15489 states and 21974 transitions. [2022-07-21 15:15:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-21 15:15:44,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:15:44,497 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:15:44,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 15:15:44,498 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:15:44,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:15:44,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1162252793, now seen corresponding path program 1 times [2022-07-21 15:15:44,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:15:44,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929539981] [2022-07-21 15:15:44,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:44,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:15:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:15:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:15:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:15:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:15:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:15:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:15:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:15:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:15:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 15:15:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:15:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 15:15:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:15:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 15:15:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:15:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-21 15:15:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:15:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:15:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 15:15:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:15:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:15:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:15:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 15:15:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 15:15:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:15:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 15:15:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:15:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 15:15:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 15:15:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 15:15:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 15:15:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-21 15:15:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 15:15:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 15:15:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2022-07-21 15:15:45,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:15:45,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929539981] [2022-07-21 15:15:45,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929539981] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:15:45,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752916824] [2022-07-21 15:15:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:45,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:15:45,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:15:45,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:15:45,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 15:15:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:46,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:15:46,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:15:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-21 15:15:46,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:15:46,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752916824] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:15:46,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:15:46,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2022-07-21 15:15:46,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009898396] [2022-07-21 15:15:46,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:15:46,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:15:46,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:15:46,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:15:46,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:15:46,750 INFO L87 Difference]: Start difference. First operand 15489 states and 21974 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-21 15:15:47,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:15:47,342 INFO L93 Difference]: Finished difference Result 30971 states and 44997 transitions. [2022-07-21 15:15:47,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:15:47,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 301 [2022-07-21 15:15:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:15:47,468 INFO L225 Difference]: With dead ends: 30971 [2022-07-21 15:15:47,469 INFO L226 Difference]: Without dead ends: 15497 [2022-07-21 15:15:47,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:15:47,742 INFO L413 NwaCegarLoop]: 2728 mSDtfsCounter, 0 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5452 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:15:47,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5452 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 15:15:47,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15497 states. [2022-07-21 15:15:48,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15497 to 15497. [2022-07-21 15:15:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15497 states, 11090 states have (on average 1.2491433724075744) internal successors, (13853), 11264 states have internal predecessors, (13853), 3613 states have call successors, (3613), 807 states have call predecessors, (3613), 793 states have return successors, (4516), 3546 states have call predecessors, (4516), 3592 states have call successors, (4516) [2022-07-21 15:15:48,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15497 states to 15497 states and 21982 transitions. [2022-07-21 15:15:48,515 INFO L78 Accepts]: Start accepts. Automaton has 15497 states and 21982 transitions. Word has length 301 [2022-07-21 15:15:48,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:15:48,516 INFO L495 AbstractCegarLoop]: Abstraction has 15497 states and 21982 transitions. [2022-07-21 15:15:48,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-21 15:15:48,517 INFO L276 IsEmpty]: Start isEmpty. Operand 15497 states and 21982 transitions. [2022-07-21 15:15:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-21 15:15:48,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:15:48,576 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:15:48,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 15:15:48,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:15:48,792 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:15:48,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:15:48,792 INFO L85 PathProgramCache]: Analyzing trace with hash -820680480, now seen corresponding path program 1 times [2022-07-21 15:15:48,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:15:48,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25086831] [2022-07-21 15:15:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:48,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:15:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:15:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:15:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:15:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:15:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:15:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:15:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:15:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:15:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 15:15:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:15:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 15:15:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:15:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 15:15:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:15:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-21 15:15:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:15:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:15:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 15:15:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-21 15:15:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:15:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:15:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 15:15:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 15:15:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:15:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 15:15:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 15:15:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-21 15:15:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-21 15:15:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 15:15:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-21 15:15:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 15:15:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:15:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 15:15:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-07-21 15:15:50,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:15:50,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25086831] [2022-07-21 15:15:50,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25086831] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:15:50,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472142768] [2022-07-21 15:15:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:50,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:15:50,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:15:50,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:15:50,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 15:15:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:51,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 15:15:51,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:15:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-07-21 15:15:51,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:15:51,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472142768] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:15:51,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:15:51,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 26 [2022-07-21 15:15:51,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776117520] [2022-07-21 15:15:51,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:15:51,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 15:15:51,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:15:51,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 15:15:51,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2022-07-21 15:15:51,614 INFO L87 Difference]: Start difference. First operand 15497 states and 21982 transitions. Second operand has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 12 states have internal predecessors, (149), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2022-07-21 15:15:53,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:15:53,060 INFO L93 Difference]: Finished difference Result 31389 states and 44573 transitions. [2022-07-21 15:15:53,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 15:15:53,061 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 12 states have internal predecessors, (149), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) Word has length 304 [2022-07-21 15:15:53,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:15:53,187 INFO L225 Difference]: With dead ends: 31389 [2022-07-21 15:15:53,188 INFO L226 Difference]: Without dead ends: 15899 [2022-07-21 15:15:53,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2022-07-21 15:15:53,275 INFO L413 NwaCegarLoop]: 2755 mSDtfsCounter, 168 mSDsluCounter, 32739 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 35494 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 15:15:53,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 35494 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 15:15:53,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15899 states. [2022-07-21 15:15:54,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15899 to 15627. [2022-07-21 15:15:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15627 states, 11179 states have (on average 1.2473387601753287) internal successors, (13944), 11359 states have internal predecessors, (13944), 3646 states have call successors, (3646), 807 states have call predecessors, (3646), 801 states have return successors, (4593), 3581 states have call predecessors, (4593), 3625 states have call successors, (4593) [2022-07-21 15:15:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15627 states to 15627 states and 22183 transitions. [2022-07-21 15:15:54,205 INFO L78 Accepts]: Start accepts. Automaton has 15627 states and 22183 transitions. Word has length 304 [2022-07-21 15:15:54,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:15:54,207 INFO L495 AbstractCegarLoop]: Abstraction has 15627 states and 22183 transitions. [2022-07-21 15:15:54,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 12 states have internal predecessors, (149), 6 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 7 states have call predecessors, (40), 6 states have call successors, (40) [2022-07-21 15:15:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 15627 states and 22183 transitions. [2022-07-21 15:15:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-07-21 15:15:54,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:15:54,220 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 15:15:54,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-21 15:15:54,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-21 15:15:54,448 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:15:54,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:15:54,449 INFO L85 PathProgramCache]: Analyzing trace with hash 187998421, now seen corresponding path program 1 times [2022-07-21 15:15:54,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:15:54,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998066806] [2022-07-21 15:15:54,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:15:54,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:15:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:15:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:15:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:15:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:15:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:15:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:15:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:15:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:15:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 15:15:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:15:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:15:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 15:15:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:54,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 15:15:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 15:15:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 15:15:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:15:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 15:15:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 15:15:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:15:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:15:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 15:15:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:15:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 15:15:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 15:15:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 15:15:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:15:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 15:15:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 15:15:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 15:15:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 15:15:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 15:15:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:15:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 15:15:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-21 15:15:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 15:15:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 15:15:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:15:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-07-21 15:15:55,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:15:55,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998066806] [2022-07-21 15:15:55,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998066806] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:15:55,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:15:55,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 15:15:55,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965041114] [2022-07-21 15:15:55,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:15:55,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 15:15:55,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:15:55,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 15:15:55,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-21 15:15:55,365 INFO L87 Difference]: Start difference. First operand 15627 states and 22183 transitions. Second operand has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-21 15:16:11,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:16:11,426 INFO L93 Difference]: Finished difference Result 37481 states and 55431 transitions. [2022-07-21 15:16:11,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 15:16:11,427 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 333 [2022-07-21 15:16:11,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:16:11,574 INFO L225 Difference]: With dead ends: 37481 [2022-07-21 15:16:11,575 INFO L226 Difference]: Without dead ends: 21869 [2022-07-21 15:16:11,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-07-21 15:16:11,681 INFO L413 NwaCegarLoop]: 2463 mSDtfsCounter, 4896 mSDsluCounter, 6997 mSDsCounter, 0 mSdLazyCounter, 12057 mSolverCounterSat, 3423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5310 SdHoareTripleChecker+Valid, 9460 SdHoareTripleChecker+Invalid, 15480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3423 IncrementalHoareTripleChecker+Valid, 12057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:16:11,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5310 Valid, 9460 Invalid, 15480 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3423 Valid, 12057 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2022-07-21 15:16:11,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21869 states. [2022-07-21 15:16:13,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21869 to 19828. [2022-07-21 15:16:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19828 states, 14282 states have (on average 1.2518554824254307) internal successors, (17879), 14538 states have internal predecessors, (17879), 4600 states have call successors, (4600), 807 states have call predecessors, (4600), 945 states have return successors, (6336), 4651 states have call predecessors, (6336), 4579 states have call successors, (6336) [2022-07-21 15:16:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19828 states to 19828 states and 28815 transitions. [2022-07-21 15:16:13,365 INFO L78 Accepts]: Start accepts. Automaton has 19828 states and 28815 transitions. Word has length 333 [2022-07-21 15:16:13,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:16:13,366 INFO L495 AbstractCegarLoop]: Abstraction has 19828 states and 28815 transitions. [2022-07-21 15:16:13,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-21 15:16:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 19828 states and 28815 transitions. [2022-07-21 15:16:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-21 15:16:13,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:16:13,385 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-07-21 15:16:13,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 15:16:13,385 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:16:13,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:16:13,386 INFO L85 PathProgramCache]: Analyzing trace with hash -348845889, now seen corresponding path program 1 times [2022-07-21 15:16:13,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:16:13,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153177117] [2022-07-21 15:16:13,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:16:13,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:16:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:16:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:16:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:16:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:16:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:16:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:16:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:16:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:16:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 15:16:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:16:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:16:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 15:16:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 15:16:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 15:16:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 15:16:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:16:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 15:16:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 15:16:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:16:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:16:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 15:16:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:16:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 15:16:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:16:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-21 15:16:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 15:16:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 15:16:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 15:16:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:16:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 15:16:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:16:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-21 15:16:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 15:16:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-21 15:16:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-21 15:16:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 15:16:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-07-21 15:16:14,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:16:14,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153177117] [2022-07-21 15:16:14,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153177117] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:16:14,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:16:14,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 15:16:14,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83737674] [2022-07-21 15:16:14,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:16:14,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 15:16:14,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:16:14,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 15:16:14,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:16:14,450 INFO L87 Difference]: Start difference. First operand 19828 states and 28815 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 15:16:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:16:32,783 INFO L93 Difference]: Finished difference Result 45800 states and 68647 transitions. [2022-07-21 15:16:32,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 15:16:32,784 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 349 [2022-07-21 15:16:32,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:16:32,962 INFO L225 Difference]: With dead ends: 45800 [2022-07-21 15:16:32,962 INFO L226 Difference]: Without dead ends: 25987 [2022-07-21 15:16:33,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2022-07-21 15:16:33,086 INFO L413 NwaCegarLoop]: 2729 mSDtfsCounter, 5536 mSDsluCounter, 10509 mSDsCounter, 0 mSdLazyCounter, 15162 mSolverCounterSat, 3314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5933 SdHoareTripleChecker+Valid, 13238 SdHoareTripleChecker+Invalid, 18476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3314 IncrementalHoareTripleChecker+Valid, 15162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:16:33,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5933 Valid, 13238 Invalid, 18476 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3314 Valid, 15162 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2022-07-21 15:16:33,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25987 states. [2022-07-21 15:16:34,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25987 to 23508. [2022-07-21 15:16:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23508 states, 17019 states have (on average 1.2537751924319878) internal successors, (21338), 17294 states have internal predecessors, (21338), 5488 states have call successors, (5488), 807 states have call predecessors, (5488), 1000 states have return successors, (7777), 5617 states have call predecessors, (7777), 5467 states have call successors, (7777) [2022-07-21 15:16:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23508 states to 23508 states and 34603 transitions. [2022-07-21 15:16:34,724 INFO L78 Accepts]: Start accepts. Automaton has 23508 states and 34603 transitions. Word has length 349 [2022-07-21 15:16:34,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:16:34,726 INFO L495 AbstractCegarLoop]: Abstraction has 23508 states and 34603 transitions. [2022-07-21 15:16:34,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 15:16:34,726 INFO L276 IsEmpty]: Start isEmpty. Operand 23508 states and 34603 transitions. [2022-07-21 15:16:34,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-21 15:16:34,775 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:16:34,775 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-07-21 15:16:34,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 15:16:34,776 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:16:34,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:16:34,776 INFO L85 PathProgramCache]: Analyzing trace with hash -274601318, now seen corresponding path program 1 times [2022-07-21 15:16:34,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:16:34,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341025299] [2022-07-21 15:16:34,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:16:34,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:16:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:34,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:16:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:16:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:16:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:16:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:16:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:16:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:16:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:16:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 15:16:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:16:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:16:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 15:16:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 15:16:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 15:16:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 15:16:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:16:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 15:16:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 15:16:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:16:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:16:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 15:16:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:16:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 15:16:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:16:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 15:16:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 15:16:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 15:16:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 15:16:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 15:16:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 15:16:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 15:16:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-21 15:16:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 15:16:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-21 15:16:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 15:16:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 15:16:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:16:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 15:16:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 15:16:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-21 15:16:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 15:16:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-21 15:16:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:16:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-21 15:16:35,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:16:35,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341025299] [2022-07-21 15:16:35,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341025299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:16:35,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:16:35,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 15:16:35,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488629850] [2022-07-21 15:16:35,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:16:35,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:16:35,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:16:35,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:16:35,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-21 15:16:35,852 INFO L87 Difference]: Start difference. First operand 23508 states and 34603 transitions. Second operand has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-21 15:17:03,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:17:03,027 INFO L93 Difference]: Finished difference Result 51696 states and 79447 transitions. [2022-07-21 15:17:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-21 15:17:03,028 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 391 [2022-07-21 15:17:03,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:17:03,249 INFO L225 Difference]: With dead ends: 51696 [2022-07-21 15:17:03,249 INFO L226 Difference]: Without dead ends: 28203 [2022-07-21 15:17:03,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2022-07-21 15:17:03,445 INFO L413 NwaCegarLoop]: 2524 mSDtfsCounter, 10719 mSDsluCounter, 9958 mSDsCounter, 0 mSdLazyCounter, 17332 mSolverCounterSat, 8564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11221 SdHoareTripleChecker+Valid, 12482 SdHoareTripleChecker+Invalid, 25896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8564 IncrementalHoareTripleChecker+Valid, 17332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:17:03,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11221 Valid, 12482 Invalid, 25896 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8564 Valid, 17332 Invalid, 0 Unknown, 0 Unchecked, 24.3s Time] [2022-07-21 15:17:03,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28203 states. [2022-07-21 15:17:05,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28203 to 22951. [2022-07-21 15:17:05,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22951 states, 16719 states have (on average 1.2499551408577068) internal successors, (20898), 16927 states have internal predecessors, (20898), 5231 states have call successors, (5231), 795 states have call predecessors, (5231), 1000 states have return successors, (7644), 5406 states have call predecessors, (7644), 5210 states have call successors, (7644) [2022-07-21 15:17:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33773 transitions. [2022-07-21 15:17:05,148 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33773 transitions. Word has length 391 [2022-07-21 15:17:05,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:17:05,149 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33773 transitions. [2022-07-21 15:17:05,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-21 15:17:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33773 transitions. [2022-07-21 15:17:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-21 15:17:05,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:17:05,175 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-07-21 15:17:05,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 15:17:05,175 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:17:05,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:17:05,176 INFO L85 PathProgramCache]: Analyzing trace with hash 685371158, now seen corresponding path program 1 times [2022-07-21 15:17:05,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:17:05,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459321192] [2022-07-21 15:17:05,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:17:05,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:17:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:17:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:17:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:17:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:17:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:17:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:17:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:17:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:17:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 15:17:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:17:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:17:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 15:17:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 15:17:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 15:17:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 15:17:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:17:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 15:17:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 15:17:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:17:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:17:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 15:17:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:17:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 15:17:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:17:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 15:17:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 15:17:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 15:17:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 15:17:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 15:17:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 15:17:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 15:17:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-21 15:17:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 15:17:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-21 15:17:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 15:17:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 15:17:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 15:17:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 15:17:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-21 15:17:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 15:17:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-21 15:17:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-21 15:17:06,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:17:06,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459321192] [2022-07-21 15:17:06,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459321192] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:17:06,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:17:06,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 15:17:06,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391672675] [2022-07-21 15:17:06,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:17:06,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:17:06,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:17:06,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:17:06,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-21 15:17:06,248 INFO L87 Difference]: Start difference. First operand 22951 states and 33773 transitions. Second operand has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-21 15:17:30,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:17:30,805 INFO L93 Difference]: Finished difference Result 50828 states and 76506 transitions. [2022-07-21 15:17:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-21 15:17:30,806 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 391 [2022-07-21 15:17:30,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:17:30,976 INFO L225 Difference]: With dead ends: 50828 [2022-07-21 15:17:30,977 INFO L226 Difference]: Without dead ends: 27892 [2022-07-21 15:17:31,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2022-07-21 15:17:31,090 INFO L413 NwaCegarLoop]: 2445 mSDtfsCounter, 7592 mSDsluCounter, 9922 mSDsCounter, 0 mSdLazyCounter, 18416 mSolverCounterSat, 4002 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8066 SdHoareTripleChecker+Valid, 12367 SdHoareTripleChecker+Invalid, 22418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4002 IncrementalHoareTripleChecker+Valid, 18416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:17:31,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8066 Valid, 12367 Invalid, 22418 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4002 Valid, 18416 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2022-07-21 15:17:31,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27892 states. [2022-07-21 15:17:32,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27892 to 22951. [2022-07-21 15:17:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22951 states, 16719 states have (on average 1.249775704288534) internal successors, (20895), 16927 states have internal predecessors, (20895), 5231 states have call successors, (5231), 795 states have call predecessors, (5231), 1000 states have return successors, (7644), 5406 states have call predecessors, (7644), 5210 states have call successors, (7644) [2022-07-21 15:17:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33770 transitions. [2022-07-21 15:17:32,561 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33770 transitions. Word has length 391 [2022-07-21 15:17:32,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:17:32,561 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33770 transitions. [2022-07-21 15:17:32,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 6 states have internal predecessors, (144), 2 states have call successors, (51), 8 states have call predecessors, (51), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-21 15:17:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33770 transitions. [2022-07-21 15:17:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-07-21 15:17:32,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:17:32,605 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-07-21 15:17:32,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 15:17:32,605 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:17:32,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:17:32,606 INFO L85 PathProgramCache]: Analyzing trace with hash 540545038, now seen corresponding path program 1 times [2022-07-21 15:17:32,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:17:32,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704526700] [2022-07-21 15:17:32,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:17:32,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:17:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:17:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:17:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:17:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:17:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:17:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:17:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:17:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:17:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 15:17:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:17:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:17:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 15:17:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 15:17:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 15:17:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 15:17:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:17:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 15:17:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 15:17:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:17:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:17:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 15:17:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:17:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 15:17:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:17:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 15:17:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 15:17:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-21 15:17:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 15:17:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-21 15:17:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 15:17:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-21 15:17:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 15:17:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 15:17:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-21 15:17:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 15:17:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-21 15:17:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 15:17:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 15:17:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:17:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 15:17:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-21 15:17:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-21 15:17:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 15:17:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-21 15:17:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2022-07-21 15:17:33,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:17:33,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704526700] [2022-07-21 15:17:33,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704526700] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:17:33,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450561532] [2022-07-21 15:17:33,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:17:33,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:17:33,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:17:33,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:17:33,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 15:17:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:17:34,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 3816 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-21 15:17:34,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:17:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 25 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2022-07-21 15:17:35,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:17:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 31 proven. 21 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-07-21 15:17:35,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450561532] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:17:35,938 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 15:17:35,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 28 [2022-07-21 15:17:35,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281236819] [2022-07-21 15:17:35,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 15:17:35,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-21 15:17:35,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:17:35,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-21 15:17:35,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2022-07-21 15:17:35,941 INFO L87 Difference]: Start difference. First operand 22951 states and 33770 transitions. Second operand has 28 states, 27 states have (on average 9.851851851851851) internal successors, (266), 20 states have internal predecessors, (266), 7 states have call successors, (94), 8 states have call predecessors, (94), 6 states have return successors, (92), 8 states have call predecessors, (92), 7 states have call successors, (92) [2022-07-21 15:18:20,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:18:20,759 INFO L93 Difference]: Finished difference Result 50867 states and 78076 transitions. [2022-07-21 15:18:20,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-21 15:18:20,760 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 9.851851851851851) internal successors, (266), 20 states have internal predecessors, (266), 7 states have call successors, (94), 8 states have call predecessors, (94), 6 states have return successors, (92), 8 states have call predecessors, (92), 7 states have call successors, (92) Word has length 422 [2022-07-21 15:18:20,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:18:20,955 INFO L225 Difference]: With dead ends: 50867 [2022-07-21 15:18:20,955 INFO L226 Difference]: Without dead ends: 27924 [2022-07-21 15:18:21,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1019 GetRequests, 966 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=387, Invalid=2583, Unknown=0, NotChecked=0, Total=2970 [2022-07-21 15:18:21,076 INFO L413 NwaCegarLoop]: 2410 mSDtfsCounter, 9127 mSDsluCounter, 24550 mSDsCounter, 0 mSdLazyCounter, 51099 mSolverCounterSat, 6191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9796 SdHoareTripleChecker+Valid, 26960 SdHoareTripleChecker+Invalid, 57290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6191 IncrementalHoareTripleChecker+Valid, 51099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:18:21,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9796 Valid, 26960 Invalid, 57290 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6191 Valid, 51099 Invalid, 0 Unknown, 0 Unchecked, 41.3s Time] [2022-07-21 15:18:21,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27924 states. [2022-07-21 15:18:22,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27924 to 22977. [2022-07-21 15:18:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22977 states, 16751 states have (on average 1.2488806638409646) internal successors, (20920), 16952 states have internal predecessors, (20920), 5217 states have call successors, (5217), 795 states have call predecessors, (5217), 1008 states have return successors, (7742), 5407 states have call predecessors, (7742), 5203 states have call successors, (7742) [2022-07-21 15:18:22,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22977 states to 22977 states and 33879 transitions. [2022-07-21 15:18:22,542 INFO L78 Accepts]: Start accepts. Automaton has 22977 states and 33879 transitions. Word has length 422 [2022-07-21 15:18:22,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:18:22,543 INFO L495 AbstractCegarLoop]: Abstraction has 22977 states and 33879 transitions. [2022-07-21 15:18:22,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 9.851851851851851) internal successors, (266), 20 states have internal predecessors, (266), 7 states have call successors, (94), 8 states have call predecessors, (94), 6 states have return successors, (92), 8 states have call predecessors, (92), 7 states have call successors, (92) [2022-07-21 15:18:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 22977 states and 33879 transitions. [2022-07-21 15:18:22,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-07-21 15:18:22,588 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:18:22,589 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-07-21 15:18:22,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 15:18:22,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:18:22,813 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:18:22,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:18:22,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1895019177, now seen corresponding path program 1 times [2022-07-21 15:18:22,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:18:22,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054300906] [2022-07-21 15:18:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:18:22,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:18:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:18:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:18:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:18:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:18:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:18:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:18:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:18:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:18:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 15:18:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:18:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 15:18:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 15:18:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 15:18:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 15:18:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 15:18:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 15:18:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 15:18:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 15:18:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 15:18:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 15:18:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:18:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 15:18:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 15:18:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 15:18:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 15:18:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 15:18:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 15:18:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 15:18:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-21 15:18:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 15:18:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:18:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 15:18:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-21 15:18:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-21 15:18:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 15:18:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 15:18:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 15:18:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 15:18:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 15:18:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-21 15:18:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-21 15:18:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 15:18:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-21 15:18:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 15:18:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 15:18:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 15:18:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-07-21 15:18:23,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:18:23,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054300906] [2022-07-21 15:18:23,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054300906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:18:23,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:18:23,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 15:18:23,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449337891] [2022-07-21 15:18:23,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:18:23,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 15:18:23,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:18:23,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 15:18:23,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-21 15:18:23,843 INFO L87 Difference]: Start difference. First operand 22977 states and 33879 transitions. Second operand has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-21 15:18:39,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:18:49,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:18:49,396 INFO L93 Difference]: Finished difference Result 50896 states and 78158 transitions. [2022-07-21 15:18:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-21 15:18:49,397 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 445 [2022-07-21 15:18:49,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:18:49,535 INFO L225 Difference]: With dead ends: 50896 [2022-07-21 15:18:49,535 INFO L226 Difference]: Without dead ends: 27934 [2022-07-21 15:18:49,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2022-07-21 15:18:49,644 INFO L413 NwaCegarLoop]: 2469 mSDtfsCounter, 7716 mSDsluCounter, 7438 mSDsCounter, 0 mSdLazyCounter, 12942 mSolverCounterSat, 4034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8206 SdHoareTripleChecker+Valid, 9907 SdHoareTripleChecker+Invalid, 16976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4034 IncrementalHoareTripleChecker+Valid, 12942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:18:49,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8206 Valid, 9907 Invalid, 16976 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4034 Valid, 12942 Invalid, 0 Unknown, 0 Unchecked, 23.4s Time] [2022-07-21 15:18:49,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27934 states. [2022-07-21 15:18:51,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27934 to 23001. [2022-07-21 15:18:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23001 states, 16775 states have (on average 1.2485245901639344) internal successors, (20944), 16976 states have internal predecessors, (20944), 5217 states have call successors, (5217), 795 states have call predecessors, (5217), 1008 states have return successors, (7742), 5407 states have call predecessors, (7742), 5203 states have call successors, (7742) [2022-07-21 15:18:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23001 states to 23001 states and 33903 transitions. [2022-07-21 15:18:51,207 INFO L78 Accepts]: Start accepts. Automaton has 23001 states and 33903 transitions. Word has length 445 [2022-07-21 15:18:51,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:18:51,208 INFO L495 AbstractCegarLoop]: Abstraction has 23001 states and 33903 transitions. [2022-07-21 15:18:51,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-21 15:18:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 23001 states and 33903 transitions. [2022-07-21 15:18:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-21 15:18:51,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:18:51,242 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 15:18:51,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 15:18:51,242 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 15:18:51,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:18:51,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1036767035, now seen corresponding path program 1 times [2022-07-21 15:18:51,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:18:51,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617233200] [2022-07-21 15:18:51,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:18:51,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:18:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 15:18:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:18:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:18:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:18:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:18:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 15:18:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:18:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:18:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 15:18:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:18:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 15:18:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 15:18:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 15:18:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 15:18:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 15:18:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 15:18:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 15:18:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 15:18:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 15:18:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:18:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:18:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:18:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 15:18:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 15:18:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 15:18:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-21 15:18:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 15:18:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 15:18:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 15:18:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 15:18:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 15:18:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 15:18:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 15:18:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 15:18:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:18:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 15:18:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 15:18:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 15:18:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 15:18:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-21 15:18:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-21 15:18:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 15:18:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 15:18:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-21 15:18:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:18:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-21 15:18:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-21 15:18:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-21 15:18:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 15:18:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 15:18:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:18:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1055 trivial. 0 not checked. [2022-07-21 15:18:52,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:18:52,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617233200] [2022-07-21 15:18:52,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617233200] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:18:52,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:18:52,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 15:18:52,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707500064] [2022-07-21 15:18:52,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:18:52,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 15:18:52,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:18:52,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 15:18:52,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:18:52,477 INFO L87 Difference]: Start difference. First operand 23001 states and 33903 transitions. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55)