./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 6c24879c 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-?-6c24879 [2022-07-12 16:41:34,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:41:34,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:41:35,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:41:35,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:41:35,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:41:35,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:41:35,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:41:35,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:41:35,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:41:35,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:41:35,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:41:35,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:41:35,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:41:35,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:41:35,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:41:35,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:41:35,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:41:35,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:41:35,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:41:35,053 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:41:35,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:41:35,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:41:35,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:41:35,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:41:35,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:41:35,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:41:35,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:41:35,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:41:35,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:41:35,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:41:35,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:41:35,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:41:35,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:41:35,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:41:35,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:41:35,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:41:35,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:41:35,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:41:35,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:41:35,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:41:35,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:41:35,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:41:35,105 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:41:35,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:41:35,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:41:35,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:41:35,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:41:35,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:41:35,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:41:35,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:41:35,108 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:41:35,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:41:35,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:41:35,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:41:35,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:41:35,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:41:35,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:41:35,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:41:35,110 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:41:35,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:41:35,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:41:35,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:41:35,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:41:35,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:41:35,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:41:35,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:41:35,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:41:35,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:41:35,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:41:35,114 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:41:35,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:41:35,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:41:35,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2022-07-12 16:41:35,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:41:35,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:41:35,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:41:35,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:41:35,383 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:41:35,385 INFO L432 ainManager$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 [2022-07-12 16:41:35,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1890a5894/2d5fe33e71a4456eabefb57a45cefde8/FLAG1f4bd0c93 [2022-07-12 16:41:36,316 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:41:36,317 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 [2022-07-12 16:41:36,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1890a5894/2d5fe33e71a4456eabefb57a45cefde8/FLAG1f4bd0c93 [2022-07-12 16:41:36,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1890a5894/2d5fe33e71a4456eabefb57a45cefde8 [2022-07-12 16:41:36,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:41:36,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:41:36,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:41:36,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:41:36,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:41:36,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:41:36" (1/1) ... [2022-07-12 16:41:36,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e34cf4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:36, skipping insertion in model container [2022-07-12 16:41:36,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:41:36" (1/1) ... [2022-07-12 16:41:36,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:41:36,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:41:39,678 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] [2022-07-12 16:41:39,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:41:39,760 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:41:40,186 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] [2022-07-12 16:41:40,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:41:40,390 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:41:40,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40 WrapperNode [2022-07-12 16:41:40,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:41:40,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:41:40,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:41:40,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:41:40,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:40,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:40,747 INFO L137 Inliner]: procedures = 414, calls = 2181, calls flagged for inlining = 245, calls inlined = 230, statements flattened = 5992 [2022-07-12 16:41:40,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:41:40,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:41:40,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:41:40,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:41:40,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:40,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:40,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:40,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:40,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:40,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:41,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:41,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:41:41,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:41:41,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:41:41,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:41:41,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (1/1) ... [2022-07-12 16:41:41,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:41:41,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:41:41,098 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) [2022-07-12 16:41:41,136 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 [2022-07-12 16:41:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:41:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:41:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 16:41:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 16:41:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:41:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:41:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:41:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:41:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-07-12 16:41:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-07-12 16:41:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-12 16:41:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-12 16:41:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:41:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:41:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:41:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:41:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-07-12 16:41:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-07-12 16:41:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-07-12 16:41:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-07-12 16:41:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:41:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:41:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-07-12 16:41:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-07-12 16:41:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:41:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:41:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:41:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:41:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:41:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:41:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:41:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:41:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-12 16:41:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-12 16:41:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 16:41:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 16:41:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:41:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-07-12 16:41:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-07-12 16:41:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 16:41:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 16:41:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-12 16:41:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-12 16:41:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:41:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:41:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 16:41:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-07-12 16:41:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-07-12 16:41:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:41:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:41:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 16:41:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 16:41:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:41:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:41:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:41:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:41:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:41:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:41:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-07-12 16:41:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-07-12 16:41:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:41:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:41:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-12 16:41:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-12 16:41:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-07-12 16:41:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-07-12 16:41:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:41:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:41:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-07-12 16:41:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-07-12 16:41:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-07-12 16:41:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-07-12 16:41:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:41:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-12 16:41:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-12 16:41:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-07-12 16:41:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-07-12 16:41:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 16:41:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 16:41:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:41:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:41:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:41:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-07-12 16:41:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-07-12 16:41:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:41:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:41:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:41:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:41:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:41:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-12 16:41:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-12 16:41:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:41:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:41:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:41:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:41:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:41:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:41:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-07-12 16:41:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-07-12 16:41:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-12 16:41:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-12 16:41:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:41:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:41:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 16:41:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 16:41:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-12 16:41:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-12 16:41:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:41:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:41:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:41:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:41:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-12 16:41:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-12 16:41:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-07-12 16:41:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-07-12 16:41:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:41:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:41:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-07-12 16:41:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-07-12 16:41:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-07-12 16:41:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-07-12 16:41:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-07-12 16:41:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-07-12 16:41:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:41:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:41:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-07-12 16:41:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-07-12 16:41:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-07-12 16:41:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-07-12 16:41:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-07-12 16:41:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-07-12 16:41:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-07-12 16:41:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-07-12 16:41:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-07-12 16:41:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-07-12 16:41:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-07-12 16:41:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-07-12 16:41:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-07-12 16:41:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-07-12 16:41:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-12 16:41:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-12 16:41:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:41:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:41:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-07-12 16:41:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-07-12 16:41:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:41:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-12 16:41:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-12 16:41:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-12 16:41:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-12 16:41:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:41:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:41:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-07-12 16:41:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-07-12 16:41:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:41:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-07-12 16:41:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-07-12 16:41:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-07-12 16:41:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-07-12 16:41:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:41:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-07-12 16:41:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-07-12 16:41:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-07-12 16:41:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-07-12 16:41:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 16:41:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 16:41:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 16:41:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 16:41:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-07-12 16:41:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-07-12 16:41:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:41:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:41:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-07-12 16:41:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-07-12 16:41:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-07-12 16:41:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-07-12 16:41:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:41:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:41:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-07-12 16:41:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-07-12 16:41:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:41:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:41:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 16:41:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 16:41:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:41:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:41:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:41:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:41:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-07-12 16:41:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-07-12 16:41:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:41:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:41:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:41:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:41:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:41:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:41:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:41:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-07-12 16:41:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-07-12 16:41:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:41:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:41:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-07-12 16:41:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-07-12 16:41:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-07-12 16:41:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-07-12 16:41:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-07-12 16:41:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-07-12 16:41:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 16:41:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 16:41:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-12 16:41:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-12 16:41:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:41:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:41:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-12 16:41:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-12 16:41:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-12 16:41:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-12 16:41:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:41:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:41:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:41:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 16:41:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 16:41:42,092 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:41:42,095 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:41:42,191 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:41:49,769 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:41:49,791 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:41:49,792 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 16:41:49,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:41:49 BoogieIcfgContainer [2022-07-12 16:41:49,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:41:49,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:41:49,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:41:49,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:41:49,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:41:36" (1/3) ... [2022-07-12 16:41:49,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13351c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:41:49, skipping insertion in model container [2022-07-12 16:41:49,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:41:40" (2/3) ... [2022-07-12 16:41:49,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13351c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:41:49, skipping insertion in model container [2022-07-12 16:41:49,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:41:49" (3/3) ... [2022-07-12 16:41:49,807 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-07-12 16:41:49,821 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:41:49,822 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:41:49,910 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:41:49,915 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@715236be, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d3eddf7 [2022-07-12 16:41:49,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:41:49,930 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) [2022-07-12 16:41:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-12 16:41:49,942 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:49,943 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] [2022-07-12 16:41:49,943 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] === [2022-07-12 16:41:49,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:49,951 INFO L85 PathProgramCache]: Analyzing trace with hash -629895464, now seen corresponding path program 1 times [2022-07-12 16:41:49,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:41:49,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257388650] [2022-07-12 16:41:49,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:49,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:41:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:50,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:41:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 16:41:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:50,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:50,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 16:41:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:41:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 16:41:50,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:41:50,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257388650] [2022-07-12 16:41:50,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257388650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:50,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:50,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:41:50,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026658111] [2022-07-12 16:41:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:50,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:41:50,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:41:50,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:41:50,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:41:50,928 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) [2022-07-12 16:41:51,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:51,233 INFO L93 Difference]: Finished difference Result 4021 states and 5707 transitions. [2022-07-12 16:41:51,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:41:51,236 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 [2022-07-12 16:41:51,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:51,270 INFO L225 Difference]: With dead ends: 4021 [2022-07-12 16:41:51,270 INFO L226 Difference]: Without dead ends: 2011 [2022-07-12 16:41:51,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 16:41:51,291 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 [2022-07-12 16:41:51,292 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] [2022-07-12 16:41:51,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2022-07-12 16:41:51,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 2011. [2022-07-12 16:41:51,500 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) [2022-07-12 16:41:51,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2736 transitions. [2022-07-12 16:41:51,527 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2736 transitions. Word has length 48 [2022-07-12 16:41:51,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:51,528 INFO L495 AbstractCegarLoop]: Abstraction has 2011 states and 2736 transitions. [2022-07-12 16:41:51,528 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) [2022-07-12 16:41:51,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2736 transitions. [2022-07-12 16:41:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-12 16:41:51,532 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:51,532 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] [2022-07-12 16:41:51,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:41:51,533 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] === [2022-07-12 16:41:51,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:51,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1221456940, now seen corresponding path program 1 times [2022-07-12 16:41:51,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:41:51,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293116856] [2022-07-12 16:41:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:51,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:41:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:51,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:41:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 16:41:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:51,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:51,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 16:41:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:41:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 16:41:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 16:41:51,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:41:51,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293116856] [2022-07-12 16:41:51,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293116856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:51,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:51,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:41:51,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064577564] [2022-07-12 16:41:51,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:51,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:41:51,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:41:51,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:41:51,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:41:51,954 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) [2022-07-12 16:41:52,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:52,173 INFO L93 Difference]: Finished difference Result 3968 states and 5441 transitions. [2022-07-12 16:41:52,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 16:41:52,174 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 [2022-07-12 16:41:52,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:52,206 INFO L225 Difference]: With dead ends: 3968 [2022-07-12 16:41:52,206 INFO L226 Difference]: Without dead ends: 3966 [2022-07-12 16:41:52,211 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 [2022-07-12 16:41:52,212 INFO L413 NwaCegarLoop]: 3280 mSDtfsCounter, 2740 mSDsluCounter, 9216 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 12496 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 [2022-07-12 16:41:52,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 12496 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 16:41:52,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2022-07-12 16:41:52,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3941. [2022-07-12 16:41:52,410 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) [2022-07-12 16:41:52,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 5407 transitions. [2022-07-12 16:41:52,442 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 5407 transitions. Word has length 53 [2022-07-12 16:41:52,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:52,443 INFO L495 AbstractCegarLoop]: Abstraction has 3941 states and 5407 transitions. [2022-07-12 16:41:52,443 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) [2022-07-12 16:41:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 5407 transitions. [2022-07-12 16:41:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 16:41:52,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:52,452 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] [2022-07-12 16:41:52,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:41:52,453 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] === [2022-07-12 16:41:52,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:52,453 INFO L85 PathProgramCache]: Analyzing trace with hash -754984168, now seen corresponding path program 1 times [2022-07-12 16:41:52,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:41:52,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878319760] [2022-07-12 16:41:52,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:52,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:41:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:41:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 16:41:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 16:41:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:41:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 16:41:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 16:41:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-12 16:41:52,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:41:52,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878319760] [2022-07-12 16:41:52,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878319760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:52,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:52,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:41:52,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052220041] [2022-07-12 16:41:52,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:52,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:41:52,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:41:52,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:41:52,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:41:52,769 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) [2022-07-12 16:41:53,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:53,107 INFO L93 Difference]: Finished difference Result 7832 states and 10876 transitions. [2022-07-12 16:41:53,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 16:41:53,108 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 [2022-07-12 16:41:53,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:53,183 INFO L225 Difference]: With dead ends: 7832 [2022-07-12 16:41:53,183 INFO L226 Difference]: Without dead ends: 7828 [2022-07-12 16:41:53,194 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 [2022-07-12 16:41:53,198 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 [2022-07-12 16:41:53,201 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] [2022-07-12 16:41:53,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7828 states. [2022-07-12 16:41:53,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7828 to 7789. [2022-07-12 16:41:53,539 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) [2022-07-12 16:41:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7789 states to 7789 states and 10822 transitions. [2022-07-12 16:41:53,592 INFO L78 Accepts]: Start accepts. Automaton has 7789 states and 10822 transitions. Word has length 58 [2022-07-12 16:41:53,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:53,594 INFO L495 AbstractCegarLoop]: Abstraction has 7789 states and 10822 transitions. [2022-07-12 16:41:53,594 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) [2022-07-12 16:41:53,594 INFO L276 IsEmpty]: Start isEmpty. Operand 7789 states and 10822 transitions. [2022-07-12 16:41:53,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-12 16:41:53,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:53,597 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] [2022-07-12 16:41:53,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:41:53,598 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] === [2022-07-12 16:41:53,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:53,598 INFO L85 PathProgramCache]: Analyzing trace with hash 216170348, now seen corresponding path program 1 times [2022-07-12 16:41:53,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:41:53,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262717911] [2022-07-12 16:41:53,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:53,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:41:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:41:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 16:41:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 16:41:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:41:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 16:41:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 16:41:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 16:41:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 16:41:53,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:41:53,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262717911] [2022-07-12 16:41:53,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262717911] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:53,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:53,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:41:53,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430461105] [2022-07-12 16:41:53,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:53,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:41:53,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:41:53,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:41:53,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:41:53,895 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) [2022-07-12 16:41:54,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:54,345 INFO L93 Difference]: Finished difference Result 15569 states and 22067 transitions. [2022-07-12 16:41:54,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 16:41:54,346 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 [2022-07-12 16:41:54,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:54,521 INFO L225 Difference]: With dead ends: 15569 [2022-07-12 16:41:54,521 INFO L226 Difference]: Without dead ends: 15499 [2022-07-12 16:41:54,547 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 [2022-07-12 16:41:54,550 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 [2022-07-12 16:41:54,551 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] [2022-07-12 16:41:54,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15499 states. [2022-07-12 16:41:55,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15499 to 15489. [2022-07-12 16:41:55,310 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) [2022-07-12 16:41:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15489 states to 15489 states and 21974 transitions. [2022-07-12 16:41:55,419 INFO L78 Accepts]: Start accepts. Automaton has 15489 states and 21974 transitions. Word has length 63 [2022-07-12 16:41:55,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:55,419 INFO L495 AbstractCegarLoop]: Abstraction has 15489 states and 21974 transitions. [2022-07-12 16:41:55,420 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) [2022-07-12 16:41:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 15489 states and 21974 transitions. [2022-07-12 16:41:55,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-12 16:41:55,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:55,487 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] [2022-07-12 16:41:55,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:41:55,487 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] === [2022-07-12 16:41:55,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:55,488 INFO L85 PathProgramCache]: Analyzing trace with hash -384267300, now seen corresponding path program 1 times [2022-07-12 16:41:55,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:41:55,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887455685] [2022-07-12 16:41:55,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:55,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:41:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:41:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:41:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:41:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:41:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:41:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:41:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 16:41:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:41:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 16:41:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:41:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 16:41:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:41:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:41:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 16:41:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 16:41:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 16:41:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 16:41:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 16:41:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 16:41:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 16:41:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-12 16:41:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 16:41:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 16:41:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:41:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 16:41:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2022-07-12 16:41:56,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:41:56,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887455685] [2022-07-12 16:41:56,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887455685] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 16:41:56,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647212875] [2022-07-12 16:41:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:56,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 16:41:56,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:41:56,487 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) [2022-07-12 16:41:56,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 16:41:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:57,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:41:57,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:41:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-12 16:41:57,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:41:57,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647212875] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:57,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:41:57,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2022-07-12 16:41:57,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521937248] [2022-07-12 16:41:57,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:57,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:41:57,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:41:57,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:41:57,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:41:57,674 INFO L87 Difference]: Start difference. First operand 15489 states and 21974 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2022-07-12 16:41:58,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:58,337 INFO L93 Difference]: Finished difference Result 30971 states and 44997 transitions. [2022-07-12 16:41:58,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:41:58,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 304 [2022-07-12 16:41:58,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:58,474 INFO L225 Difference]: With dead ends: 30971 [2022-07-12 16:41:58,475 INFO L226 Difference]: Without dead ends: 15497 [2022-07-12 16:41:58,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:41:58,624 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 [2022-07-12 16:41:58,625 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] [2022-07-12 16:41:58,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15497 states. [2022-07-12 16:41:59,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15497 to 15497. [2022-07-12 16:41:59,278 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) [2022-07-12 16:41:59,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15497 states to 15497 states and 21982 transitions. [2022-07-12 16:41:59,406 INFO L78 Accepts]: Start accepts. Automaton has 15497 states and 21982 transitions. Word has length 304 [2022-07-12 16:41:59,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:59,408 INFO L495 AbstractCegarLoop]: Abstraction has 15497 states and 21982 transitions. [2022-07-12 16:41:59,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2022-07-12 16:41:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 15497 states and 21982 transitions. [2022-07-12 16:41:59,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-12 16:41:59,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:59,477 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] [2022-07-12 16:41:59,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:41:59,691 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 [2022-07-12 16:41:59,692 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] === [2022-07-12 16:41:59,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:59,693 INFO L85 PathProgramCache]: Analyzing trace with hash 725839613, now seen corresponding path program 1 times [2022-07-12 16:41:59,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:41:59,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44588578] [2022-07-12 16:41:59,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:59,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:41:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:42:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:42:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:42:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:42:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:42:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:42:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:42:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:42:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:42:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:42:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:42:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 16:42:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:42:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 16:42:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:42:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:42:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:42:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 16:42:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:42:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:42:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:42:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 16:42:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 16:42:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 16:42:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 16:42:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 16:42:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-12 16:42:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 16:42:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 16:42:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 16:42:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 16:42:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-12 16:42:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-12 16:42:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-12 16:42:01,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:42:01,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44588578] [2022-07-12 16:42:01,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44588578] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 16:42:01,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338568068] [2022-07-12 16:42:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:42:01,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 16:42:01,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:42:01,154 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) [2022-07-12 16:42:01,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 16:42:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:02,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-12 16:42:02,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:42:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-07-12 16:42:02,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:42:02,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338568068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:42:02,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:42:02,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [21] total 23 [2022-07-12 16:42:02,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589669709] [2022-07-12 16:42:02,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:42:02,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-12 16:42:02,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:42:02,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-12 16:42:02,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2022-07-12 16:42:02,430 INFO L87 Difference]: Start difference. First operand 15497 states and 21982 transitions. Second operand has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 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) [2022-07-12 16:42:04,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:42:04,110 INFO L93 Difference]: Finished difference Result 31389 states and 44573 transitions. [2022-07-12 16:42:04,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 16:42:04,111 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 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 301 [2022-07-12 16:42:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:42:04,272 INFO L225 Difference]: With dead ends: 31389 [2022-07-12 16:42:04,272 INFO L226 Difference]: Without dead ends: 15899 [2022-07-12 16:42:04,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=822, Unknown=0, NotChecked=0, Total=930 [2022-07-12 16:42:04,383 INFO L413 NwaCegarLoop]: 2754 mSDtfsCounter, 168 mSDsluCounter, 32728 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 35482 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:42:04,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 35482 Invalid, 609 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [55 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 16:42:04,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15899 states. [2022-07-12 16:42:05,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15899 to 15627. [2022-07-12 16:42:05,132 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) [2022-07-12 16:42:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15627 states to 15627 states and 22183 transitions. [2022-07-12 16:42:05,263 INFO L78 Accepts]: Start accepts. Automaton has 15627 states and 22183 transitions. Word has length 301 [2022-07-12 16:42:05,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:42:05,265 INFO L495 AbstractCegarLoop]: Abstraction has 15627 states and 22183 transitions. [2022-07-12 16:42:05,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.307692307692308) internal successors, (147), 12 states have internal predecessors, (147), 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) [2022-07-12 16:42:05,265 INFO L276 IsEmpty]: Start isEmpty. Operand 15627 states and 22183 transitions. [2022-07-12 16:42:05,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-07-12 16:42:05,278 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:42:05,278 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] [2022-07-12 16:42:05,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:42:05,499 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 [2022-07-12 16:42:05,500 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] === [2022-07-12 16:42:05,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:42:05,500 INFO L85 PathProgramCache]: Analyzing trace with hash 187998421, now seen corresponding path program 1 times [2022-07-12 16:42:05,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:42:05,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469879374] [2022-07-12 16:42:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:42:05,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:42:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:42:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:42:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:42:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:42:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:42:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:42:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:42:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:42:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:05,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:42:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:42:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:42:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 16:42:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:42:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 16:42:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 16:42:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 16:42:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:42:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:42:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:42:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:42:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 16:42:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:42:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:42:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 16:42:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-12 16:42:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:42:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 16:42:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 16:42:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-12 16:42:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-12 16:42:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 16:42:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-12 16:42:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-12 16:42:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 16:42:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:42:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-07-12 16:42:06,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:42:06,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469879374] [2022-07-12 16:42:06,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469879374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:42:06,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:42:06,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 16:42:06,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355629482] [2022-07-12 16:42:06,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:42:06,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 16:42:06,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:42:06,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 16:42:06,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-12 16:42:06,615 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) [2022-07-12 16:42:25,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:42:25,047 INFO L93 Difference]: Finished difference Result 37481 states and 55431 transitions. [2022-07-12 16:42:25,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 16:42:25,048 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 [2022-07-12 16:42:25,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:42:25,199 INFO L225 Difference]: With dead ends: 37481 [2022-07-12 16:42:25,199 INFO L226 Difference]: Without dead ends: 21869 [2022-07-12 16:42:25,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-07-12 16:42:25,313 INFO L413 NwaCegarLoop]: 2455 mSDtfsCounter, 2652 mSDsluCounter, 7575 mSDsCounter, 0 mSdLazyCounter, 12893 mSolverCounterSat, 1041 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3067 SdHoareTripleChecker+Valid, 10030 SdHoareTripleChecker+Invalid, 13934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1041 IncrementalHoareTripleChecker+Valid, 12893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:42:25,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3067 Valid, 10030 Invalid, 13934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1041 Valid, 12893 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2022-07-12 16:42:25,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21869 states. [2022-07-12 16:42:26,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21869 to 19828. [2022-07-12 16:42:26,921 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) [2022-07-12 16:42:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19828 states to 19828 states and 28815 transitions. [2022-07-12 16:42:27,059 INFO L78 Accepts]: Start accepts. Automaton has 19828 states and 28815 transitions. Word has length 333 [2022-07-12 16:42:27,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:42:27,060 INFO L495 AbstractCegarLoop]: Abstraction has 19828 states and 28815 transitions. [2022-07-12 16:42:27,060 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) [2022-07-12 16:42:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 19828 states and 28815 transitions. [2022-07-12 16:42:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-12 16:42:27,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:42:27,074 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] [2022-07-12 16:42:27,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 16:42:27,074 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] === [2022-07-12 16:42:27,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:42:27,075 INFO L85 PathProgramCache]: Analyzing trace with hash -348845889, now seen corresponding path program 1 times [2022-07-12 16:42:27,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:42:27,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921712755] [2022-07-12 16:42:27,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:42:27,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:42:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:42:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:42:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:42:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:42:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:42:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:42:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:42:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:42:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:42:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:42:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:42:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 16:42:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:42:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 16:42:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 16:42:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 16:42:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:42:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:42:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:42:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:42:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 16:42:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:42:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:42:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:42:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:42:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 16:42:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 16:42:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 16:42:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:42:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 16:42:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:42:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 16:42:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-12 16:42:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-12 16:42:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 16:42:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 16:42:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-07-12 16:42:27,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:42:27,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921712755] [2022-07-12 16:42:27,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921712755] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:42:27,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:42:27,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 16:42:27,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611234] [2022-07-12 16:42:27,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:42:27,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 16:42:27,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:42:27,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 16:42:27,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-12 16:42:27,897 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) [2022-07-12 16:42:43,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:42:43,993 INFO L93 Difference]: Finished difference Result 45800 states and 68647 transitions. [2022-07-12 16:42:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 16:42:43,994 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 [2022-07-12 16:42:43,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:42:44,166 INFO L225 Difference]: With dead ends: 45800 [2022-07-12 16:42:44,167 INFO L226 Difference]: Without dead ends: 25987 [2022-07-12 16:42:44,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2022-07-12 16:42:44,285 INFO L413 NwaCegarLoop]: 2708 mSDtfsCounter, 7423 mSDsluCounter, 9530 mSDsCounter, 0 mSdLazyCounter, 14124 mSolverCounterSat, 5120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7817 SdHoareTripleChecker+Valid, 12238 SdHoareTripleChecker+Invalid, 19244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5120 IncrementalHoareTripleChecker+Valid, 14124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:42:44,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7817 Valid, 12238 Invalid, 19244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5120 Valid, 14124 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-07-12 16:42:44,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25987 states. [2022-07-12 16:42:45,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25987 to 23508. [2022-07-12 16:42:45,651 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) [2022-07-12 16:42:45,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23508 states to 23508 states and 34603 transitions. [2022-07-12 16:42:45,823 INFO L78 Accepts]: Start accepts. Automaton has 23508 states and 34603 transitions. Word has length 349 [2022-07-12 16:42:45,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:42:45,824 INFO L495 AbstractCegarLoop]: Abstraction has 23508 states and 34603 transitions. [2022-07-12 16:42:45,824 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) [2022-07-12 16:42:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 23508 states and 34603 transitions. [2022-07-12 16:42:45,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-07-12 16:42:45,861 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:42:45,862 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:42:45,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 16:42:45,862 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] === [2022-07-12 16:42:45,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:42:45,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1593374211, now seen corresponding path program 1 times [2022-07-12 16:42:45,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:42:45,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290629829] [2022-07-12 16:42:45,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:42:45,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:42:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:42:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:42:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:42:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:42:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:42:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:42:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:42:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:42:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:42:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:42:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:42:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 16:42:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:42:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 16:42:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 16:42:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 16:42:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:42:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:42:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:42:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:42:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 16:42:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:42:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:42:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:42:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-12 16:42:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 16:42:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 16:42:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 16:42:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 16:42:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 16:42:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 16:42:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 16:42:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 16:42:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-12 16:42:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 16:42:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 16:42:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:42:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 16:42:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 16:42:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:42:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 16:42:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 16:42:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:42:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-12 16:42:46,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:42:46,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290629829] [2022-07-12 16:42:46,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290629829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:42:46,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:42:46,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-12 16:42:46,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801703599] [2022-07-12 16:42:46,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:42:46,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 16:42:46,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:42:46,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 16:42:46,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-12 16:42:46,784 INFO L87 Difference]: Start difference. First operand 23508 states and 34603 transitions. Second operand has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 6 states have internal predecessors, (151), 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) [2022-07-12 16:43:05,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:43:05,979 INFO L93 Difference]: Finished difference Result 51696 states and 79447 transitions. [2022-07-12 16:43:05,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-12 16:43:05,980 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 6 states have internal predecessors, (151), 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 398 [2022-07-12 16:43:05,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:43:06,170 INFO L225 Difference]: With dead ends: 51696 [2022-07-12 16:43:06,170 INFO L226 Difference]: Without dead ends: 28203 [2022-07-12 16:43:06,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2022-07-12 16:43:06,335 INFO L413 NwaCegarLoop]: 2523 mSDtfsCounter, 8453 mSDsluCounter, 9904 mSDsCounter, 0 mSdLazyCounter, 17356 mSolverCounterSat, 5251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8957 SdHoareTripleChecker+Valid, 12427 SdHoareTripleChecker+Invalid, 22607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5251 IncrementalHoareTripleChecker+Valid, 17356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:43:06,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8957 Valid, 12427 Invalid, 22607 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5251 Valid, 17356 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2022-07-12 16:43:06,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28203 states. [2022-07-12 16:43:07,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28203 to 22951. [2022-07-12 16:43:07,562 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) [2022-07-12 16:43:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33773 transitions. [2022-07-12 16:43:07,700 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33773 transitions. Word has length 398 [2022-07-12 16:43:07,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:43:07,701 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33773 transitions. [2022-07-12 16:43:07,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 6 states have internal predecessors, (151), 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) [2022-07-12 16:43:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33773 transitions. [2022-07-12 16:43:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-07-12 16:43:07,726 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:43:07,726 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:43:07,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 16:43:07,727 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] === [2022-07-12 16:43:07,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:43:07,727 INFO L85 PathProgramCache]: Analyzing trace with hash -292273663, now seen corresponding path program 1 times [2022-07-12 16:43:07,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:43:07,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394346620] [2022-07-12 16:43:07,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:43:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:43:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:43:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:43:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:43:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:43:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:43:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:43:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:43:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:43:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:43:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:43:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:43:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 16:43:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:43:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 16:43:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 16:43:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 16:43:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:43:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:43:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:43:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:43:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 16:43:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:43:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:43:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:43:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-12 16:43:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 16:43:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 16:43:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 16:43:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 16:43:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 16:43:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 16:43:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 16:43:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 16:43:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-12 16:43:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 16:43:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 16:43:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 16:43:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 16:43:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:43:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 16:43:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 16:43:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-07-12 16:43:08,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:43:08,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394346620] [2022-07-12 16:43:08,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394346620] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:43:08,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:43:08,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-12 16:43:08,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391057331] [2022-07-12 16:43:08,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:43:08,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 16:43:08,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:43:08,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 16:43:08,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-12 16:43:08,736 INFO L87 Difference]: Start difference. First operand 22951 states and 33773 transitions. Second operand has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 6 states have internal predecessors, (151), 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) [2022-07-12 16:43:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:43:29,058 INFO L93 Difference]: Finished difference Result 50828 states and 76506 transitions. [2022-07-12 16:43:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-12 16:43:29,058 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 6 states have internal predecessors, (151), 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 398 [2022-07-12 16:43:29,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:43:29,206 INFO L225 Difference]: With dead ends: 50828 [2022-07-12 16:43:29,206 INFO L226 Difference]: Without dead ends: 27892 [2022-07-12 16:43:29,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2022-07-12 16:43:29,285 INFO L413 NwaCegarLoop]: 2472 mSDtfsCounter, 9532 mSDsluCounter, 10190 mSDsCounter, 0 mSdLazyCounter, 18482 mSolverCounterSat, 7210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10006 SdHoareTripleChecker+Valid, 12662 SdHoareTripleChecker+Invalid, 25692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7210 IncrementalHoareTripleChecker+Valid, 18482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:43:29,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10006 Valid, 12662 Invalid, 25692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7210 Valid, 18482 Invalid, 0 Unknown, 0 Unchecked, 18.4s Time] [2022-07-12 16:43:29,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27892 states. [2022-07-12 16:43:30,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27892 to 22951. [2022-07-12 16:43:30,437 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) [2022-07-12 16:43:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 33770 transitions. [2022-07-12 16:43:30,542 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 33770 transitions. Word has length 398 [2022-07-12 16:43:30,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:43:30,543 INFO L495 AbstractCegarLoop]: Abstraction has 22951 states and 33770 transitions. [2022-07-12 16:43:30,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.615384615384615) internal successors, (151), 6 states have internal predecessors, (151), 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) [2022-07-12 16:43:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 33770 transitions. [2022-07-12 16:43:30,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-12 16:43:30,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:43:30,585 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:43:30,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 16:43:30,585 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] === [2022-07-12 16:43:30,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:43:30,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1496685065, now seen corresponding path program 1 times [2022-07-12 16:43:30,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:43:30,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866397865] [2022-07-12 16:43:30,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:43:30,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:43:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:43:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:43:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:43:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:43:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:43:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:43:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:43:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:43:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:43:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:43:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:43:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 16:43:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:43:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 16:43:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 16:43:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 16:43:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:43:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:43:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:43:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:43:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 16:43:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:43:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:43:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:43:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-12 16:43:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 16:43:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-12 16:43:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 16:43:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 16:43:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 16:43:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 16:43:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 16:43:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 16:43:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-12 16:43:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-12 16:43:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-12 16:43:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 16:43:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:43:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-12 16:43:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 16:43:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 16:43:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 16:43:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 16:43:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2022-07-12 16:43:31,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:43:31,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866397865] [2022-07-12 16:43:31,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866397865] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 16:43:31,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891528076] [2022-07-12 16:43:31,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:43:31,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 16:43:31,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:43:31,596 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) [2022-07-12 16:43:31,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 16:43:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:32,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 3874 conjuncts, 41 conjunts are in the unsatisfiable core [2022-07-12 16:43:32,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:43:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-07-12 16:43:32,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:43:32,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891528076] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:43:32,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:43:32,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 12 [2022-07-12 16:43:32,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877929462] [2022-07-12 16:43:32,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:43:32,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:43:32,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:43:32,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:43:32,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-12 16:43:32,938 INFO L87 Difference]: Start difference. First operand 22951 states and 33770 transitions. Second operand has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-12 16:43:34,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:43:34,100 INFO L93 Difference]: Finished difference Result 45951 states and 69579 transitions. [2022-07-12 16:43:34,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:43:34,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) Word has length 429 [2022-07-12 16:43:34,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:43:34,236 INFO L225 Difference]: With dead ends: 45951 [2022-07-12 16:43:34,236 INFO L226 Difference]: Without dead ends: 23015 [2022-07-12 16:43:34,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 560 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-12 16:43:34,343 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 7 mSDsluCounter, 10883 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 13609 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:43:34,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 13609 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 16:43:34,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23015 states. [2022-07-12 16:43:35,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23015 to 22991. [2022-07-12 16:43:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22991 states, 16751 states have (on average 1.249298549340338) internal successors, (20927), 16959 states have internal predecessors, (20927), 5231 states have call successors, (5231), 795 states have call predecessors, (5231), 1008 states have return successors, (7749), 5414 states have call predecessors, (7749), 5210 states have call successors, (7749) [2022-07-12 16:43:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22991 states to 22991 states and 33907 transitions. [2022-07-12 16:43:35,528 INFO L78 Accepts]: Start accepts. Automaton has 22991 states and 33907 transitions. Word has length 429 [2022-07-12 16:43:35,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:43:35,529 INFO L495 AbstractCegarLoop]: Abstraction has 22991 states and 33907 transitions. [2022-07-12 16:43:35,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-12 16:43:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 22991 states and 33907 transitions. [2022-07-12 16:43:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-07-12 16:43:35,571 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:43:35,572 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] [2022-07-12 16:43:35,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:43:35,787 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 [2022-07-12 16:43:35,788 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] === [2022-07-12 16:43:35,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:43:35,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1495165806, now seen corresponding path program 1 times [2022-07-12 16:43:35,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:43:35,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51329474] [2022-07-12 16:43:35,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:43:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:43:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:43:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:43:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:43:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:43:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:43:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:43:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:43:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:43:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:43:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:43:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 16:43:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 16:43:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 16:43:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 16:43:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 16:43:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 16:43:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 16:43:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 16:43:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 16:43:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 16:43:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:43:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 16:43:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 16:43:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 16:43:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:43:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 16:43:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 16:43:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 16:43:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-12 16:43:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 16:43:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:43:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-12 16:43:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-12 16:43:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 16:43:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-12 16:43:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 16:43:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-12 16:43:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 16:43:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:43:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-12 16:43:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-12 16:43:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-12 16:43:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-12 16:43:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 16:43:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-12 16:43:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 16:43:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-07-12 16:43:36,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:43:36,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51329474] [2022-07-12 16:43:36,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51329474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:43:36,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:43:36,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 16:43:36,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382336845] [2022-07-12 16:43:36,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:43:36,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 16:43:36,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:43:36,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 16:43:36,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 16:43:36,794 INFO L87 Difference]: Start difference. First operand 22991 states and 33907 transitions. Second operand has 11 states, 11 states have (on average 14.454545454545455) internal successors, (159), 5 states have internal predecessors, (159), 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) [2022-07-12 16:43:53,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:43:53,854 INFO L93 Difference]: Finished difference Result 50924 states and 78214 transitions. [2022-07-12 16:43:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-12 16:43:53,855 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.454545454545455) internal successors, (159), 5 states have internal predecessors, (159), 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 438 [2022-07-12 16:43:53,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:43:54,013 INFO L225 Difference]: With dead ends: 50924 [2022-07-12 16:43:54,013 INFO L226 Difference]: Without dead ends: 27948 [2022-07-12 16:43:54,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2022-07-12 16:43:54,134 INFO L413 NwaCegarLoop]: 2466 mSDtfsCounter, 10750 mSDsluCounter, 7096 mSDsCounter, 0 mSdLazyCounter, 12085 mSolverCounterSat, 8470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11241 SdHoareTripleChecker+Valid, 9562 SdHoareTripleChecker+Invalid, 20555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8470 IncrementalHoareTripleChecker+Valid, 12085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-07-12 16:43:54,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11241 Valid, 9562 Invalid, 20555 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8470 Valid, 12085 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2022-07-12 16:43:54,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27948 states. [2022-07-12 16:43:55,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27948 to 23015. [2022-07-12 16:43:55,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23015 states, 16775 states have (on average 1.2489418777943369) internal successors, (20951), 16983 states have internal predecessors, (20951), 5231 states have call successors, (5231), 795 states have call predecessors, (5231), 1008 states have return successors, (7749), 5414 states have call predecessors, (7749), 5210 states have call successors, (7749) [2022-07-12 16:43:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23015 states to 23015 states and 33931 transitions. [2022-07-12 16:43:55,420 INFO L78 Accepts]: Start accepts. Automaton has 23015 states and 33931 transitions. Word has length 438 [2022-07-12 16:43:55,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:43:55,421 INFO L495 AbstractCegarLoop]: Abstraction has 23015 states and 33931 transitions. [2022-07-12 16:43:55,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.454545454545455) internal successors, (159), 5 states have internal predecessors, (159), 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) [2022-07-12 16:43:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 23015 states and 33931 transitions. [2022-07-12 16:43:55,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-07-12 16:43:55,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:43:55,449 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] [2022-07-12 16:43:55,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 16:43:55,450 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] === [2022-07-12 16:43:55,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:43:55,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1513801863, now seen corresponding path program 1 times [2022-07-12 16:43:55,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:43:55,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769045562] [2022-07-12 16:43:55,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:43:55,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:43:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:55,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:43:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:43:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:43:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:43:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:43:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:43:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:43:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:43:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:43:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:43:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 16:43:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 16:43:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 16:43:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 16:43:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 16:43:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 16:43:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 16:43:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 16:43:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 16:43:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:43:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:43:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 16:43:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 16:43:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 16:43:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 16:43:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 16:43:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 16:43:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:43:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 16:43:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 16:43:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:43:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 16:43:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 16:43:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 16:43:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 16:43:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-12 16:43:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 16:43:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-12 16:43:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 16:43:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-12 16:43:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-12 16:43:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 16:43:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-12 16:43:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 16:43:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:43:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-12 16:43:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 16:43:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 16:43:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 16:43:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-12 16:43:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-12 16:43:56,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:43:56,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769045562] [2022-07-12 16:43:56,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769045562] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 16:43:56,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895982926] [2022-07-12 16:43:56,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:43:56,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 16:43:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:43:56,643 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 16:43:56,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 16:43:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:43:57,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 3817 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-12 16:43:57,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:43:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 37 proven. 33 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2022-07-12 16:43:57,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:43:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 43 proven. 33 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2022-07-12 16:43:58,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895982926] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 16:43:58,412 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 16:43:58,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2022-07-12 16:43:58,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439171371] [2022-07-12 16:43:58,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 16:43:58,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-12 16:43:58,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:43:58,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-12 16:43:58,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=746, Unknown=0, NotChecked=0, Total=812 [2022-07-12 16:43:58,415 INFO L87 Difference]: Start difference. First operand 23015 states and 33931 transitions. Second operand has 29 states, 27 states have (on average 7.666666666666667) internal successors, (207), 21 states have internal predecessors, (207), 9 states have call successors, (91), 8 states have call predecessors, (91), 6 states have return successors, (75), 9 states have call predecessors, (75), 9 states have call successors, (75) [2022-07-12 16:44:39,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:44:39,609 INFO L93 Difference]: Finished difference Result 50933 states and 76341 transitions. [2022-07-12 16:44:39,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-07-12 16:44:39,610 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 7.666666666666667) internal successors, (207), 21 states have internal predecessors, (207), 9 states have call successors, (91), 8 states have call predecessors, (91), 6 states have return successors, (75), 9 states have call predecessors, (75), 9 states have call successors, (75) Word has length 455 [2022-07-12 16:44:39,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:44:39,784 INFO L225 Difference]: With dead ends: 50933 [2022-07-12 16:44:39,784 INFO L226 Difference]: Without dead ends: 27924 [2022-07-12 16:44:39,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1098 GetRequests, 1043 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=396, Invalid=2796, Unknown=0, NotChecked=0, Total=3192 [2022-07-12 16:44:39,870 INFO L413 NwaCegarLoop]: 2431 mSDtfsCounter, 11215 mSDsluCounter, 22324 mSDsCounter, 0 mSdLazyCounter, 47667 mSolverCounterSat, 8646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11707 SdHoareTripleChecker+Valid, 24755 SdHoareTripleChecker+Invalid, 56313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8646 IncrementalHoareTripleChecker+Valid, 47667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:44:39,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11707 Valid, 24755 Invalid, 56313 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8646 Valid, 47667 Invalid, 0 Unknown, 0 Unchecked, 37.9s Time] [2022-07-12 16:44:39,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27924 states. [2022-07-12 16:44:41,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27924 to 23001. [2022-07-12 16:44:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23001 states, 16775 states have (on average 1.2484649776453056) internal successors, (20943), 16975 states have internal predecessors, (20943), 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) [2022-07-12 16:44:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23001 states to 23001 states and 33902 transitions. [2022-07-12 16:44:41,235 INFO L78 Accepts]: Start accepts. Automaton has 23001 states and 33902 transitions. Word has length 455 [2022-07-12 16:44:41,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:44:41,235 INFO L495 AbstractCegarLoop]: Abstraction has 23001 states and 33902 transitions. [2022-07-12 16:44:41,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 7.666666666666667) internal successors, (207), 21 states have internal predecessors, (207), 9 states have call successors, (91), 8 states have call predecessors, (91), 6 states have return successors, (75), 9 states have call predecessors, (75), 9 states have call successors, (75) [2022-07-12 16:44:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 23001 states and 33902 transitions. [2022-07-12 16:44:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-12 16:44:41,266 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:44:41,267 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:44:41,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-12 16:44:41,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 16:44:41,467 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:44:41,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:44:41,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2107471842, now seen corresponding path program 1 times [2022-07-12 16:44:41,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:44:41,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071190600] [2022-07-12 16:44:41,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:44:41,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:44:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:44:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:44:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:44:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:44:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:44:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:44:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 16:44:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:44:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:44:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 16:44:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 16:44:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 16:44:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 16:44:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 16:44:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 16:44:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 16:44:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 16:44:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 16:44:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 16:44:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 16:44:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:44:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:44:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 16:44:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 16:44:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 16:44:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 16:44:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 16:44:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 16:44:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:44:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 16:44:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 16:44:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 16:44:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 16:44:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 16:44:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-12 16:44:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:44:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-12 16:44:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-12 16:44:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-12 16:44:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-12 16:44:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-12 16:44:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 16:44:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 16:44:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 16:44:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 16:44:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:44:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-12 16:44:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-12 16:44:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 16:44:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 16:44:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-12 16:44:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:44:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2022-07-12 16:44:42,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:44:42,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071190600] [2022-07-12 16:44:42,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071190600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:44:42,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:44:42,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 16:44:42,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122969983] [2022-07-12 16:44:42,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:44:42,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 16:44:42,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:44:42,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 16:44:42,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-12 16:44:42,523 INFO L87 Difference]: Start difference. First operand 23001 states and 33902 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, (58), 8 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-12 16:45:10,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:45:10,984 INFO L93 Difference]: Finished difference Result 51019 states and 78172 transitions. [2022-07-12 16:45:10,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-12 16:45:10,984 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (58), 8 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) Word has length 470 [2022-07-12 16:45:10,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:45:11,151 INFO L225 Difference]: With dead ends: 51019 [2022-07-12 16:45:11,151 INFO L226 Difference]: Without dead ends: 28033 [2022-07-12 16:45:11,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=922, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 16:45:11,270 INFO L413 NwaCegarLoop]: 2572 mSDtfsCounter, 7800 mSDsluCounter, 9627 mSDsCounter, 0 mSdLazyCounter, 16827 mSolverCounterSat, 4050 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8295 SdHoareTripleChecker+Valid, 12199 SdHoareTripleChecker+Invalid, 20877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4050 IncrementalHoareTripleChecker+Valid, 16827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:45:11,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8295 Valid, 12199 Invalid, 20877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4050 Valid, 16827 Invalid, 0 Unknown, 0 Unchecked, 25.8s Time] [2022-07-12 16:45:11,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28033 states. [2022-07-12 16:45:12,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28033 to 23019. [2022-07-12 16:45:12,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23019 states, 16793 states have (on average 1.2481986542011552) internal successors, (20961), 16987 states have internal predecessors, (20961), 5217 states have call successors, (5217), 795 states have call predecessors, (5217), 1008 states have return successors, (7742), 5413 states have call predecessors, (7742), 5203 states have call successors, (7742) [2022-07-12 16:45:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23019 states to 23019 states and 33920 transitions. [2022-07-12 16:45:12,956 INFO L78 Accepts]: Start accepts. Automaton has 23019 states and 33920 transitions. Word has length 470 [2022-07-12 16:45:12,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:45:12,956 INFO L495 AbstractCegarLoop]: Abstraction has 23019 states and 33920 transitions. [2022-07-12 16:45:12,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (58), 8 states have call predecessors, (58), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-12 16:45:12,957 INFO L276 IsEmpty]: Start isEmpty. Operand 23019 states and 33920 transitions. [2022-07-12 16:45:12,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-12 16:45:12,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:45:12,992 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:45:12,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 16:45:12,992 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:45:12,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:45:12,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1917341221, now seen corresponding path program 1 times [2022-07-12 16:45:12,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:45:12,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871647366] [2022-07-12 16:45:12,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:45:12,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms