./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:47:21,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:47:21,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:47:21,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:47:21,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:47:21,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:47:21,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:47:21,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:47:21,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:47:21,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:47:21,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:47:21,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:47:21,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:47:21,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:47:21,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:47:21,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:47:21,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:47:21,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:47:21,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:47:21,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:47:21,349 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:47:21,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:47:21,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:47:21,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:47:21,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:47:21,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:47:21,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:47:21,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:47:21,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:47:21,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:47:21,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:47:21,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:47:21,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:47:21,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:47:21,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:47:21,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:47:21,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:47:21,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:47:21,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:47:21,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:47:21,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:47:21,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:47:21,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:47:21,400 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:47:21,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:47:21,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:47:21,401 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:47:21,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:47:21,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:47:21,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:47:21,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:47:21,404 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:47:21,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:47:21,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:47:21,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:47:21,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:47:21,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:47:21,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:47:21,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:47:21,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:47:21,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:47:21,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:47:21,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:47:21,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:47:21,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:47:21,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:47:21,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:47:21,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:47:21,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:47:21,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:47:21,408 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:47:21,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:47:21,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:47:21,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 [2022-07-21 14:47:21,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:47:21,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:47:21,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:47:21,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:47:21,777 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:47:21,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-07-21 14:47:21,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91be2454/34d6ffb98d40475c955fd51fa0d8ec82/FLAG39a1a1b10 [2022-07-21 14:47:22,686 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:47:22,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-07-21 14:47:22,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91be2454/34d6ffb98d40475c955fd51fa0d8ec82/FLAG39a1a1b10 [2022-07-21 14:47:23,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91be2454/34d6ffb98d40475c955fd51fa0d8ec82 [2022-07-21 14:47:23,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:47:23,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:47:23,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:47:23,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:47:23,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:47:23,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:47:23" (1/1) ... [2022-07-21 14:47:23,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffe0925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:23, skipping insertion in model container [2022-07-21 14:47:23,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:47:23" (1/1) ... [2022-07-21 14:47:23,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:47:23,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:47:25,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i[282309,282322] [2022-07-21 14:47:25,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:47:25,311 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:47:25,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i[282309,282322] [2022-07-21 14:47:25,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:47:25,867 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:47:25,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25 WrapperNode [2022-07-21 14:47:25,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:47:25,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:47:25,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:47:25,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:47:25,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:25,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:26,181 INFO L137 Inliner]: procedures = 347, calls = 1404, calls flagged for inlining = 224, calls inlined = 207, statements flattened = 3964 [2022-07-21 14:47:26,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:47:26,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:47:26,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:47:26,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:47:26,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:26,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:26,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:26,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:26,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:26,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:26,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:26,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:47:26,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:47:26,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:47:26,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:47:26,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (1/1) ... [2022-07-21 14:47:26,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:47:26,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:47:26,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:47:26,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:47:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-21 14:47:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-21 14:47:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:47:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:47:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:47:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:47:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:47:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:47:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-21 14:47:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-21 14:47:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2022-07-21 14:47:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2022-07-21 14:47:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:47:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:47:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:47:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:47:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 14:47:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2022-07-21 14:47:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2022-07-21 14:47:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-21 14:47:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-21 14:47:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:47:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:47:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:47:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:47:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2022-07-21 14:47:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2022-07-21 14:47:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:47:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_15 [2022-07-21 14:47:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_15 [2022-07-21 14:47:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2022-07-21 14:47:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2022-07-21 14:47:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:47:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:47:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:47:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:47:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:47:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 14:47:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 14:47:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:47:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:47:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-21 14:47:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-21 14:47:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:47:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2022-07-21 14:47:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2022-07-21 14:47:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2022-07-21 14:47:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2022-07-21 14:47:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-21 14:47:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-21 14:47:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:47:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2022-07-21 14:47:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2022-07-21 14:47:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2022-07-21 14:47:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2022-07-21 14:47:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2022-07-21 14:47:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2022-07-21 14:47:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2022-07-21 14:47:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2022-07-21 14:47:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2022-07-21 14:47:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2022-07-21 14:47:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:47:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:47:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:47:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:47:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:47:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:47:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-21 14:47:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-21 14:47:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:47:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:47:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:47:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:47:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:47:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:47:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:47:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:47:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:47:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:47:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:47:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-21 14:47:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-21 14:47:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2022-07-21 14:47:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2022-07-21 14:47:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:47:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:47:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:47:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:47:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:47:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:47:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:47:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:47:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:47:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2022-07-21 14:47:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2022-07-21 14:47:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:47:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2022-07-21 14:47:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2022-07-21 14:47:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2022-07-21 14:47:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2022-07-21 14:47:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:47:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:47:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 14:47:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 14:47:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:47:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:47:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:47:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:47:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:47:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 14:47:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 14:47:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2022-07-21 14:47:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2022-07-21 14:47:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:47:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:47:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:47:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:47:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2022-07-21 14:47:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2022-07-21 14:47:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:47:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:47:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:47:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:47:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-21 14:47:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-21 14:47:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2022-07-21 14:47:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2022-07-21 14:47:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2022-07-21 14:47:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2022-07-21 14:47:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:47:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:47:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2022-07-21 14:47:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2022-07-21 14:47:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:47:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:47:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2022-07-21 14:47:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2022-07-21 14:47:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:47:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:47:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:47:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-21 14:47:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-21 14:47:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:47:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:47:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2022-07-21 14:47:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2022-07-21 14:47:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:47:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:47:27,124 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:47:27,126 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:47:27,346 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:47:42,988 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:47:43,103 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:47:43,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:47:43,128 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-21 14:47:43,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:47:43 BoogieIcfgContainer [2022-07-21 14:47:43,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:47:43,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:47:43,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:47:43,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:47:43,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:47:23" (1/3) ... [2022-07-21 14:47:43,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfdebee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:47:43, skipping insertion in model container [2022-07-21 14:47:43,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:47:25" (2/3) ... [2022-07-21 14:47:43,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfdebee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:47:43, skipping insertion in model container [2022-07-21 14:47:43,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:47:43" (3/3) ... [2022-07-21 14:47:43,139 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-07-21 14:47:43,151 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:47:43,152 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:47:43,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:47:43,245 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@1b79d73c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3d29a19c [2022-07-21 14:47:43,245 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:47:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 1422 states, 1058 states have (on average 1.3128544423440454) internal successors, (1389), 1072 states have internal predecessors, (1389), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) [2022-07-21 14:47:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-21 14:47:43,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:47:43,269 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:47:43,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:47:43,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:47:43,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1578665141, now seen corresponding path program 1 times [2022-07-21 14:47:43,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:47:43,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19290443] [2022-07-21 14:47:43,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:47:43,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:47:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:47:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:47:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:47:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:47:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:47:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:47:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:47:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:47:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:47:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:47:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:47:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:47:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:47:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:47:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-07-21 14:47:44,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:47:44,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19290443] [2022-07-21 14:47:44,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19290443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:47:44,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:47:44,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:47:44,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238613575] [2022-07-21 14:47:44,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:47:44,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:47:44,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:47:44,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:47:44,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:47:44,488 INFO L87 Difference]: Start difference. First operand has 1422 states, 1058 states have (on average 1.3128544423440454) internal successors, (1389), 1072 states have internal predecessors, (1389), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 14:47:46,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:47:48,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:47:55,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:47:55,480 INFO L93 Difference]: Finished difference Result 4172 states and 5960 transitions. [2022-07-21 14:47:55,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:47:55,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 156 [2022-07-21 14:47:55,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:47:55,548 INFO L225 Difference]: With dead ends: 4172 [2022-07-21 14:47:55,556 INFO L226 Difference]: Without dead ends: 2767 [2022-07-21 14:47:55,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:47:55,586 INFO L413 NwaCegarLoop]: 2069 mSDtfsCounter, 2308 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 793 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2543 SdHoareTripleChecker+Valid, 4207 SdHoareTripleChecker+Invalid, 2085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 793 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:47:55,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2543 Valid, 4207 Invalid, 2085 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [793 Valid, 1290 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2022-07-21 14:47:55,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-07-21 14:47:55,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2689. [2022-07-21 14:47:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 2006 states have (on average 1.2642073778664007) internal successors, (2536), 2034 states have internal predecessors, (2536), 557 states have call successors, (557), 126 states have call predecessors, (557), 125 states have return successors, (554), 550 states have call predecessors, (554), 554 states have call successors, (554) [2022-07-21 14:47:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3647 transitions. [2022-07-21 14:47:55,853 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3647 transitions. Word has length 156 [2022-07-21 14:47:55,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:47:55,856 INFO L495 AbstractCegarLoop]: Abstraction has 2689 states and 3647 transitions. [2022-07-21 14:47:55,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 14:47:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3647 transitions. [2022-07-21 14:47:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-21 14:47:55,873 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:47:55,874 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:47:55,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:47:55,874 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:47:55,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:47:55,875 INFO L85 PathProgramCache]: Analyzing trace with hash 443363147, now seen corresponding path program 1 times [2022-07-21 14:47:55,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:47:55,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672397814] [2022-07-21 14:47:55,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:47:55,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:47:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:47:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:47:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:47:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:47:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:47:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:47:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:47:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:47:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:47:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:47:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:47:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:47:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:47:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 14:47:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:47:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:47:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:47:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:47:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:47:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 14:47:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 14:47:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:47:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-07-21 14:47:56,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:47:56,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672397814] [2022-07-21 14:47:56,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672397814] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:47:56,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:47:56,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:47:56,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054644360] [2022-07-21 14:47:56,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:47:56,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:47:56,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:47:56,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:47:56,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:47:56,580 INFO L87 Difference]: Start difference. First operand 2689 states and 3647 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 14:47:58,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:48:00,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:48:07,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:07,586 INFO L93 Difference]: Finished difference Result 5485 states and 7526 transitions. [2022-07-21 14:48:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:48:07,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 208 [2022-07-21 14:48:07,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:07,617 INFO L225 Difference]: With dead ends: 5485 [2022-07-21 14:48:07,617 INFO L226 Difference]: Without dead ends: 4119 [2022-07-21 14:48:07,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:48:07,628 INFO L413 NwaCegarLoop]: 3567 mSDtfsCounter, 1907 mSDsluCounter, 3035 mSDsCounter, 0 mSdLazyCounter, 1322 mSolverCounterSat, 513 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 6602 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1322 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:07,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 6602 Invalid, 1837 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [513 Valid, 1322 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2022-07-21 14:48:07,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2022-07-21 14:48:07,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 3994. [2022-07-21 14:48:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3994 states, 2984 states have (on average 1.2654155495978552) internal successors, (3776), 3025 states have internal predecessors, (3776), 822 states have call successors, (822), 188 states have call predecessors, (822), 187 states have return successors, (819), 813 states have call predecessors, (819), 819 states have call successors, (819) [2022-07-21 14:48:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5417 transitions. [2022-07-21 14:48:07,802 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5417 transitions. Word has length 208 [2022-07-21 14:48:07,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:07,805 INFO L495 AbstractCegarLoop]: Abstraction has 3994 states and 5417 transitions. [2022-07-21 14:48:07,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 14:48:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5417 transitions. [2022-07-21 14:48:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-21 14:48:07,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:07,813 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:07,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:48:07,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:07,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:07,814 INFO L85 PathProgramCache]: Analyzing trace with hash 866064973, now seen corresponding path program 1 times [2022-07-21 14:48:07,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:48:07,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017258629] [2022-07-21 14:48:07,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:07,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:48:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:48:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:48:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:48:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:48:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:48:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:48:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:48:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:48:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:48:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:48:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:48:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:48:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:48:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 14:48:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:48:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:48:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:48:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:48:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 14:48:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 14:48:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-21 14:48:08,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:48:08,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017258629] [2022-07-21 14:48:08,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017258629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:08,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:08,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 14:48:08,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093239926] [2022-07-21 14:48:08,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:08,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 14:48:08,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:48:08,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 14:48:08,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 14:48:08,601 INFO L87 Difference]: Start difference. First operand 3994 states and 5417 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 14:48:10,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:48:23,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:23,558 INFO L93 Difference]: Finished difference Result 8199 states and 11368 transitions. [2022-07-21 14:48:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:48:23,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 208 [2022-07-21 14:48:23,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:23,623 INFO L225 Difference]: With dead ends: 8199 [2022-07-21 14:48:23,623 INFO L226 Difference]: Without dead ends: 8195 [2022-07-21 14:48:23,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:48:23,638 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 2342 mSDsluCounter, 4755 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 805 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6793 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:23,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6793 Invalid, 3868 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [805 Valid, 3062 Invalid, 1 Unknown, 0 Unchecked, 14.3s Time] [2022-07-21 14:48:23,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8195 states. [2022-07-21 14:48:23,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8195 to 7980. [2022-07-21 14:48:23,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7980 states, 5967 states have (on average 1.26529244176303) internal successors, (7550), 6051 states have internal predecessors, (7550), 1632 states have call successors, (1632), 377 states have call predecessors, (1632), 380 states have return successors, (1770), 1617 states have call predecessors, (1770), 1626 states have call successors, (1770) [2022-07-21 14:48:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7980 states to 7980 states and 10952 transitions. [2022-07-21 14:48:23,993 INFO L78 Accepts]: Start accepts. Automaton has 7980 states and 10952 transitions. Word has length 208 [2022-07-21 14:48:23,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:23,995 INFO L495 AbstractCegarLoop]: Abstraction has 7980 states and 10952 transitions. [2022-07-21 14:48:23,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-21 14:48:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7980 states and 10952 transitions. [2022-07-21 14:48:24,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-21 14:48:24,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:24,004 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:24,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 14:48:24,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:24,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:24,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1182633900, now seen corresponding path program 1 times [2022-07-21 14:48:24,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:48:24,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60527610] [2022-07-21 14:48:24,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:48:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:48:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:48:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:48:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:48:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:48:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:48:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:48:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:48:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:48:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:48:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:48:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:48:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:48:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 14:48:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:48:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:48:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:48:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:48:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 14:48:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 14:48:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-21 14:48:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-21 14:48:24,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:48:24,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60527610] [2022-07-21 14:48:24,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60527610] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:24,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:24,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 14:48:24,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195356793] [2022-07-21 14:48:24,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:24,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 14:48:24,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:48:24,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 14:48:24,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 14:48:24,804 INFO L87 Difference]: Start difference. First operand 7980 states and 10952 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 14:48:26,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:48:33,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:33,818 INFO L93 Difference]: Finished difference Result 8199 states and 11368 transitions. [2022-07-21 14:48:33,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 14:48:33,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 213 [2022-07-21 14:48:33,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:33,880 INFO L225 Difference]: With dead ends: 8199 [2022-07-21 14:48:33,880 INFO L226 Difference]: Without dead ends: 8165 [2022-07-21 14:48:33,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 14:48:33,891 INFO L413 NwaCegarLoop]: 1833 mSDtfsCounter, 1937 mSDsluCounter, 3439 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 513 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 5272 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:33,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 5272 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1659 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-07-21 14:48:33,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8165 states. [2022-07-21 14:48:34,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8165 to 7952. [2022-07-21 14:48:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7952 states, 5950 states have (on average 1.2653781512605042) internal successors, (7529), 6032 states have internal predecessors, (7529), 1623 states have call successors, (1623), 374 states have call predecessors, (1623), 378 states have return successors, (1764), 1611 states have call predecessors, (1764), 1620 states have call successors, (1764) [2022-07-21 14:48:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7952 states to 7952 states and 10916 transitions. [2022-07-21 14:48:34,385 INFO L78 Accepts]: Start accepts. Automaton has 7952 states and 10916 transitions. Word has length 213 [2022-07-21 14:48:34,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:34,386 INFO L495 AbstractCegarLoop]: Abstraction has 7952 states and 10916 transitions. [2022-07-21 14:48:34,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 14:48:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 7952 states and 10916 transitions. [2022-07-21 14:48:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2022-07-21 14:48:34,430 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:34,430 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 22, 22, 22, 22, 22, 22, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:34,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 14:48:34,431 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:34,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash -701295382, now seen corresponding path program 1 times [2022-07-21 14:48:34,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:48:34,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898847269] [2022-07-21 14:48:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:48:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:48:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:48:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:48:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:48:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:48:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:48:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:34,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:48:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:48:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:48:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:48:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:48:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:48:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:48:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 14:48:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:48:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:48:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:48:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:48:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:48:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:48:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:48:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 14:48:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 14:48:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 14:48:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:48:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 14:48:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:48:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:48:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:48:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:48:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:48:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:48:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 14:48:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 14:48:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 14:48:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:48:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 14:48:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:48:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:48:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:48:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 14:48:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 14:48:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 14:48:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 14:48:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 14:48:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-21 14:48:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-21 14:48:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-21 14:48:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-21 14:48:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-21 14:48:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:48:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 14:48:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-07-21 14:48:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-07-21 14:48:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2711 trivial. 0 not checked. [2022-07-21 14:48:36,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:48:36,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898847269] [2022-07-21 14:48:36,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898847269] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:36,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:36,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:48:36,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725341240] [2022-07-21 14:48:36,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:36,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:48:36,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:48:36,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:48:36,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:48:36,211 INFO L87 Difference]: Start difference. First operand 7952 states and 10916 transitions. Second operand has 8 states, 8 states have (on average 27.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (62), 7 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-21 14:48:38,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:48:40,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:49:04,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:49:04,258 INFO L93 Difference]: Finished difference Result 23174 states and 32147 transitions. [2022-07-21 14:49:04,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 14:49:04,259 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (62), 7 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 568 [2022-07-21 14:49:04,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:49:04,345 INFO L225 Difference]: With dead ends: 23174 [2022-07-21 14:49:04,346 INFO L226 Difference]: Without dead ends: 15251 [2022-07-21 14:49:04,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:49:04,388 INFO L413 NwaCegarLoop]: 2108 mSDtfsCounter, 1949 mSDsluCounter, 5051 mSDsCounter, 0 mSdLazyCounter, 4460 mSolverCounterSat, 829 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2204 SdHoareTripleChecker+Valid, 7159 SdHoareTripleChecker+Invalid, 5291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 4460 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:49:04,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2204 Valid, 7159 Invalid, 5291 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [829 Valid, 4460 Invalid, 2 Unknown, 0 Unchecked, 26.8s Time] [2022-07-21 14:49:04,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15251 states. [2022-07-21 14:49:05,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15251 to 14340. [2022-07-21 14:49:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14340 states, 10637 states have (on average 1.2523267838676317) internal successors, (13321), 10802 states have internal predecessors, (13321), 2961 states have call successors, (2961), 728 states have call predecessors, (2961), 741 states have return successors, (3120), 2935 states have call predecessors, (3120), 2958 states have call successors, (3120) [2022-07-21 14:49:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14340 states to 14340 states and 19402 transitions. [2022-07-21 14:49:05,281 INFO L78 Accepts]: Start accepts. Automaton has 14340 states and 19402 transitions. Word has length 568 [2022-07-21 14:49:05,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:49:05,284 INFO L495 AbstractCegarLoop]: Abstraction has 14340 states and 19402 transitions. [2022-07-21 14:49:05,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (62), 7 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-21 14:49:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 14340 states and 19402 transitions. [2022-07-21 14:49:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-21 14:49:05,335 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:49:05,336 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 22, 22, 22, 22, 22, 22, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:49:05,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 14:49:05,336 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:49:05,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:49:05,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1984522854, now seen corresponding path program 1 times [2022-07-21 14:49:05,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:49:05,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784201105] [2022-07-21 14:49:05,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:49:05,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:49:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:49:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:49:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:49:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:49:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:49:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:49:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:49:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:49:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:49:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:49:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:49:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:49:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:49:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:05,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:49:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 14:49:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:49:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:49:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:49:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:49:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:49:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:49:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 14:49:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 14:49:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 14:49:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:49:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 14:49:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:49:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:49:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:49:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:49:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:49:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:49:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 14:49:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 14:49:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 14:49:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:49:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 14:49:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:49:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:49:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:49:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 14:49:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 14:49:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 14:49:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 14:49:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 14:49:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-21 14:49:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-21 14:49:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-21 14:49:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 14:49:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-21 14:49:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-21 14:49:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-21 14:49:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-07-21 14:49:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-21 14:49:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-21 14:49:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2861 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2855 trivial. 0 not checked. [2022-07-21 14:49:06,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:49:06,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784201105] [2022-07-21 14:49:06,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784201105] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:49:06,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:49:06,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:49:06,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609987567] [2022-07-21 14:49:06,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:49:06,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:49:06,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:49:06,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:49:06,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:49:06,881 INFO L87 Difference]: Start difference. First operand 14340 states and 19402 transitions. Second operand has 8 states, 8 states have (on average 25.625) internal successors, (205), 3 states have internal predecessors, (205), 3 states have call successors, (64), 7 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-07-21 14:49:08,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:49:10,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:49:12,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:49:15,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:49:31,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:49:31,979 INFO L93 Difference]: Finished difference Result 32920 states and 45053 transitions. [2022-07-21 14:49:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 14:49:31,980 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 3 states have internal predecessors, (205), 3 states have call successors, (64), 7 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 574 [2022-07-21 14:49:31,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:49:32,064 INFO L225 Difference]: With dead ends: 32920 [2022-07-21 14:49:32,065 INFO L226 Difference]: Without dead ends: 18024 [2022-07-21 14:49:32,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:49:32,126 INFO L413 NwaCegarLoop]: 2773 mSDtfsCounter, 2778 mSDsluCounter, 4833 mSDsCounter, 0 mSdLazyCounter, 3199 mSolverCounterSat, 1304 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 7606 SdHoareTripleChecker+Invalid, 4507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1304 IncrementalHoareTripleChecker+Valid, 3199 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:49:32,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 7606 Invalid, 4507 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1304 Valid, 3199 Invalid, 4 Unknown, 0 Unchecked, 23.8s Time] [2022-07-21 14:49:32,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18024 states. [2022-07-21 14:49:32,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18024 to 16979. [2022-07-21 14:49:33,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16979 states, 12720 states have (on average 1.2510220125786164) internal successors, (15913), 12909 states have internal predecessors, (15913), 3358 states have call successors, (3358), 884 states have call predecessors, (3358), 900 states have return successors, (3561), 3329 states have call predecessors, (3561), 3355 states have call successors, (3561) [2022-07-21 14:49:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16979 states to 16979 states and 22832 transitions. [2022-07-21 14:49:33,083 INFO L78 Accepts]: Start accepts. Automaton has 16979 states and 22832 transitions. Word has length 574 [2022-07-21 14:49:33,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:49:33,084 INFO L495 AbstractCegarLoop]: Abstraction has 16979 states and 22832 transitions. [2022-07-21 14:49:33,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.625) internal successors, (205), 3 states have internal predecessors, (205), 3 states have call successors, (64), 7 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-07-21 14:49:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 16979 states and 22832 transitions. [2022-07-21 14:49:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2022-07-21 14:49:33,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:49:33,145 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 22, 22, 22, 22, 22, 22, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:49:33,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 14:49:33,146 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:49:33,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:49:33,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1762705755, now seen corresponding path program 1 times [2022-07-21 14:49:33,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:49:33,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671114363] [2022-07-21 14:49:33,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:49:33,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:49:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:49:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:49:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:49:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:49:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:49:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:49:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:49:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:49:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:49:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:49:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:49:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:49:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:49:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 14:49:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:49:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:49:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 14:49:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 14:49:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:49:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 14:49:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:49:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 14:49:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:49:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:49:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:49:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:49:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:49:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:49:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 14:49:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 14:49:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 14:49:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:49:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 14:49:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:49:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:49:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:49:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:49:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:49:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:49:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 14:49:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 14:49:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 14:49:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:49:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 14:49:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:49:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:49:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:49:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 14:49:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 14:49:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 14:49:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 14:49:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 14:49:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-21 14:49:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-21 14:49:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-21 14:49:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-21 14:49:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2893 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2881 trivial. 0 not checked. [2022-07-21 14:49:34,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:49:34,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671114363] [2022-07-21 14:49:34,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671114363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:49:34,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:49:34,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:49:34,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512690806] [2022-07-21 14:49:34,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:49:34,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:49:34,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:49:34,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:49:34,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:49:34,822 INFO L87 Difference]: Start difference. First operand 16979 states and 22832 transitions. Second operand has 8 states, 8 states have (on average 26.5) internal successors, (212), 3 states have internal predecessors, (212), 3 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-07-21 14:49:36,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:49:38,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:49:52,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:49:52,118 INFO L93 Difference]: Finished difference Result 42227 states and 57688 transitions. [2022-07-21 14:49:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 14:49:52,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.5) internal successors, (212), 3 states have internal predecessors, (212), 3 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 582 [2022-07-21 14:49:52,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:49:52,263 INFO L225 Difference]: With dead ends: 42227 [2022-07-21 14:49:52,263 INFO L226 Difference]: Without dead ends: 25824 [2022-07-21 14:49:52,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:49:52,331 INFO L413 NwaCegarLoop]: 3420 mSDtfsCounter, 2607 mSDsluCounter, 4341 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 1535 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2877 SdHoareTripleChecker+Valid, 7761 SdHoareTripleChecker+Invalid, 4057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1535 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:49:52,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2877 Valid, 7761 Invalid, 4057 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1535 Valid, 2520 Invalid, 2 Unknown, 0 Unchecked, 15.9s Time] [2022-07-21 14:49:52,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25824 states. [2022-07-21 14:49:53,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25824 to 24335. [2022-07-21 14:49:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24335 states, 18296 states have (on average 1.2511477918670748) internal successors, (22891), 18563 states have internal predecessors, (22891), 4734 states have call successors, (4734), 1280 states have call predecessors, (4734), 1304 states have return successors, (5035), 4695 states have call predecessors, (5035), 4731 states have call successors, (5035) [2022-07-21 14:49:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24335 states to 24335 states and 32660 transitions. [2022-07-21 14:49:53,893 INFO L78 Accepts]: Start accepts. Automaton has 24335 states and 32660 transitions. Word has length 582 [2022-07-21 14:49:53,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:49:53,894 INFO L495 AbstractCegarLoop]: Abstraction has 24335 states and 32660 transitions. [2022-07-21 14:49:53,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.5) internal successors, (212), 3 states have internal predecessors, (212), 3 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-07-21 14:49:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24335 states and 32660 transitions. [2022-07-21 14:49:53,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2022-07-21 14:49:53,967 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:49:53,968 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 22, 22, 22, 22, 22, 22, 11, 11, 11, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:49:53,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 14:49:53,968 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:49:53,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:49:53,969 INFO L85 PathProgramCache]: Analyzing trace with hash 872790675, now seen corresponding path program 1 times [2022-07-21 14:49:53,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:49:53,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787340248] [2022-07-21 14:49:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:49:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:49:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:49:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:49:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:49:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:49:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:49:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:49:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:49:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:49:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:49:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:49:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:49:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:49:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:49:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 14:49:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:49:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:49:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 14:49:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 14:49:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:49:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 14:49:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-21 14:49:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:49:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:49:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 14:49:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 14:49:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 14:49:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 14:49:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:49:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:49:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:49:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:49:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:49:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:49:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 14:49:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 14:49:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 14:49:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:54,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:49:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 14:49:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:49:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:49:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:49:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:49:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:49:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:49:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 14:49:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 14:49:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 14:49:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:49:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 14:49:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:49:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:49:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:49:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 14:49:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 14:49:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 14:49:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 14:49:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 14:49:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-21 14:49:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:49:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-21 14:49:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-21 14:49:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-07-21 14:49:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3182 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3149 trivial. 0 not checked. [2022-07-21 14:49:55,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:49:55,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787340248] [2022-07-21 14:49:55,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787340248] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:49:55,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:49:55,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:49:55,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403732824] [2022-07-21 14:49:55,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:49:55,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:49:55,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:49:55,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:49:55,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:49:55,267 INFO L87 Difference]: Start difference. First operand 24335 states and 32660 transitions. Second operand has 8 states, 8 states have (on average 29.5) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (71), 7 states have call predecessors, (71), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-07-21 14:49:57,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:49:59,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:50:01,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:50:16,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:50:16,738 INFO L93 Difference]: Finished difference Result 57324 states and 78110 transitions. [2022-07-21 14:50:16,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 14:50:16,739 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 29.5) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (71), 7 states have call predecessors, (71), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 631 [2022-07-21 14:50:16,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:50:16,903 INFO L225 Difference]: With dead ends: 57324 [2022-07-21 14:50:16,904 INFO L226 Difference]: Without dead ends: 32987 [2022-07-21 14:50:16,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:50:16,980 INFO L413 NwaCegarLoop]: 3405 mSDtfsCounter, 2945 mSDsluCounter, 6064 mSDsCounter, 0 mSdLazyCounter, 2918 mSolverCounterSat, 1894 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 9469 SdHoareTripleChecker+Invalid, 4815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1894 IncrementalHoareTripleChecker+Valid, 2918 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:50:16,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 9469 Invalid, 4815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1894 Valid, 2918 Invalid, 3 Unknown, 0 Unchecked, 19.7s Time] [2022-07-21 14:50:17,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32987 states. [2022-07-21 14:50:18,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32987 to 31086. [2022-07-21 14:50:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31086 states, 23404 states have (on average 1.2515809263373783) internal successors, (29292), 23745 states have internal predecessors, (29292), 6012 states have call successors, (6012), 1637 states have call predecessors, (6012), 1669 states have return successors, (6411), 5963 states have call predecessors, (6411), 6009 states have call successors, (6411) [2022-07-21 14:50:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31086 states to 31086 states and 41715 transitions. [2022-07-21 14:50:18,491 INFO L78 Accepts]: Start accepts. Automaton has 31086 states and 41715 transitions. Word has length 631 [2022-07-21 14:50:18,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:50:18,492 INFO L495 AbstractCegarLoop]: Abstraction has 31086 states and 41715 transitions. [2022-07-21 14:50:18,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.5) internal successors, (236), 3 states have internal predecessors, (236), 3 states have call successors, (71), 7 states have call predecessors, (71), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-07-21 14:50:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 31086 states and 41715 transitions. [2022-07-21 14:50:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2022-07-21 14:50:18,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:50:18,560 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 22, 22, 22, 22, 22, 22, 11, 11, 11, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:50:18,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 14:50:18,560 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:50:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:50:18,561 INFO L85 PathProgramCache]: Analyzing trace with hash 412574229, now seen corresponding path program 1 times [2022-07-21 14:50:18,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:50:18,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800546875] [2022-07-21 14:50:18,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:50:18,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:50:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:50:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:50:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:50:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:50:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:50:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:50:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:50:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:50:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:50:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:50:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:50:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:50:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:50:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 14:50:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:50:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:50:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 14:50:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 14:50:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:50:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 14:50:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-21 14:50:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:50:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:50:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 14:50:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 14:50:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 14:50:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 14:50:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:50:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:50:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:50:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:50:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:50:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:50:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 14:50:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 14:50:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 14:50:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:50:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 14:50:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:50:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:50:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:50:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:50:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:50:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 14:50:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 14:50:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 14:50:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 14:50:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:50:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 14:50:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:50:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:50:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:50:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 14:50:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 14:50:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 14:50:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 14:50:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 14:50:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-21 14:50:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-21 14:50:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-21 14:50:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-07-21 14:50:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:21,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3182 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3169 trivial. 0 not checked. [2022-07-21 14:50:21,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:50:21,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800546875] [2022-07-21 14:50:21,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800546875] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:50:21,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:50:21,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 14:50:21,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223257358] [2022-07-21 14:50:21,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:50:21,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 14:50:21,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:50:21,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 14:50:21,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-21 14:50:21,161 INFO L87 Difference]: Start difference. First operand 31086 states and 41715 transitions. Second operand has 10 states, 10 states have (on average 22.1) internal successors, (221), 5 states have internal predecessors, (221), 2 states have call successors, (70), 7 states have call predecessors, (70), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-21 14:50:23,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:50:25,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:50:27,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:50:42,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:50:42,215 INFO L93 Difference]: Finished difference Result 63606 states and 87055 transitions. [2022-07-21 14:50:42,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:50:42,216 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.1) internal successors, (221), 5 states have internal predecessors, (221), 2 states have call successors, (70), 7 states have call predecessors, (70), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 631 [2022-07-21 14:50:42,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:50:42,507 INFO L225 Difference]: With dead ends: 63606 [2022-07-21 14:50:42,507 INFO L226 Difference]: Without dead ends: 33096 [2022-07-21 14:50:42,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-21 14:50:42,610 INFO L413 NwaCegarLoop]: 1788 mSDtfsCounter, 881 mSDsluCounter, 5913 mSDsCounter, 0 mSdLazyCounter, 3599 mSolverCounterSat, 712 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 7701 SdHoareTripleChecker+Invalid, 4314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 3599 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:50:42,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 7701 Invalid, 4314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [712 Valid, 3599 Invalid, 3 Unknown, 0 Unchecked, 19.6s Time] [2022-07-21 14:50:42,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33096 states. [2022-07-21 14:50:43,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33096 to 31146. [2022-07-21 14:50:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31146 states, 23464 states have (on average 1.2509376065461983) internal successors, (29352), 23805 states have internal predecessors, (29352), 6012 states have call successors, (6012), 1637 states have call predecessors, (6012), 1669 states have return successors, (6411), 5963 states have call predecessors, (6411), 6009 states have call successors, (6411) [2022-07-21 14:50:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31146 states to 31146 states and 41775 transitions. [2022-07-21 14:50:44,114 INFO L78 Accepts]: Start accepts. Automaton has 31146 states and 41775 transitions. Word has length 631 [2022-07-21 14:50:44,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:50:44,116 INFO L495 AbstractCegarLoop]: Abstraction has 31146 states and 41775 transitions. [2022-07-21 14:50:44,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.1) internal successors, (221), 5 states have internal predecessors, (221), 2 states have call successors, (70), 7 states have call predecessors, (70), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-21 14:50:44,117 INFO L276 IsEmpty]: Start isEmpty. Operand 31146 states and 41775 transitions. [2022-07-21 14:50:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2022-07-21 14:50:44,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:50:44,171 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 22, 22, 22, 22, 22, 22, 13, 13, 13, 4, 4, 4, 4, 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, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:50:44,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 14:50:44,172 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:50:44,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:50:44,172 INFO L85 PathProgramCache]: Analyzing trace with hash 671484093, now seen corresponding path program 1 times [2022-07-21 14:50:44,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:50:44,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528323649] [2022-07-21 14:50:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:50:44,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:50:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:50:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:50:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:50:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:50:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:50:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:50:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:50:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:50:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:50:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:50:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:50:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:50:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 14:50:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 14:50:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:50:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:50:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 14:50:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 14:50:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:50:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 14:50:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-21 14:50:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:50:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:50:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 14:50:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 14:50:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:44,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 14:50:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 14:50:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:50:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:50:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 14:50:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:50:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:50:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 14:50:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:50:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:50:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:50:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 14:50:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 14:50:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 14:50:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:50:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 14:50:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:50:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 14:50:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 14:50:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 14:50:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:50:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 14:50:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 14:50:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:50:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 14:50:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-21 14:50:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 14:50:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:50:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:50:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 14:50:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 14:50:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-21 14:50:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 14:50:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:50:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 14:50:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-21 14:50:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:50:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2022-07-21 14:50:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-07-21 14:50:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-07-21 14:50:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3291 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 3230 trivial. 0 not checked. [2022-07-21 14:50:46,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:50:46,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528323649] [2022-07-21 14:50:46,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528323649] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 14:50:46,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39198453] [2022-07-21 14:50:46,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:50:46,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:50:46,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:50:46,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:50:46,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 14:50:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:50:47,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 4945 conjuncts, 50 conjunts are in the unsatisfiable core [2022-07-21 14:50:47,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:50:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3291 backedges. 1636 proven. 34 refuted. 0 times theorem prover too weak. 1621 trivial. 0 not checked. [2022-07-21 14:50:52,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:50:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3291 backedges. 48 proven. 37 refuted. 0 times theorem prover too weak. 3206 trivial. 0 not checked. [2022-07-21 14:50:55,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39198453] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:50:55,089 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 14:50:55,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 17] total 32 [2022-07-21 14:50:55,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838002328] [2022-07-21 14:50:55,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 14:50:55,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-07-21 14:50:55,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:50:55,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-07-21 14:50:55,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2022-07-21 14:50:55,094 INFO L87 Difference]: Start difference. First operand 31146 states and 41775 transitions. Second operand has 32 states, 31 states have (on average 16.387096774193548) internal successors, (508), 24 states have internal predecessors, (508), 7 states have call successors, (177), 8 states have call predecessors, (177), 10 states have return successors, (158), 9 states have call predecessors, (158), 7 states have call successors, (158) [2022-07-21 14:50:57,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:50:59,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:51:01,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:51:03,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:51:05,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []