./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 eb692b52 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-?-eb692b5 [2022-07-20 03:16:10,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:16:10,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:16:11,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:16:11,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:16:11,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:16:11,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:16:11,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:16:11,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:16:11,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:16:11,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:16:11,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:16:11,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:16:11,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:16:11,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:16:11,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:16:11,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:16:11,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:16:11,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:16:11,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:16:11,058 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:16:11,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:16:11,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:16:11,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:16:11,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:16:11,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:16:11,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:16:11,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:16:11,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:16:11,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:16:11,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:16:11,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:16:11,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:16:11,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:16:11,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:16:11,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:16:11,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:16:11,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:16:11,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:16:11,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:16:11,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:16:11,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:16:11,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:16:11,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:16:11,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:16:11,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:16:11,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:16:11,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:16:11,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:16:11,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:16:11,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:16:11,109 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:16:11,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:16:11,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:16:11,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:16:11,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:16:11,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:16:11,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:16:11,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:16:11,110 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:16:11,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:16:11,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:16:11,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:16:11,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:16:11,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:16:11,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:16:11,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:16:11,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:16:11,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:16:11,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:16:11,113 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:16:11,113 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:16:11,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:16:11,113 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 [2022-07-20 03:16:11,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:16:11,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:16:11,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:16:11,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:16:11,326 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:16:11,327 INFO L432 ainManager$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 [2022-07-20 03:16:11,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edca09ae/0a5b3b5160a044329e8eba60d8ec25df/FLAGc302d23f8 [2022-07-20 03:16:11,934 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:16:11,934 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 [2022-07-20 03:16:11,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edca09ae/0a5b3b5160a044329e8eba60d8ec25df/FLAGc302d23f8 [2022-07-20 03:16:12,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7edca09ae/0a5b3b5160a044329e8eba60d8ec25df [2022-07-20 03:16:12,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:16:12,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:16:12,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:16:12,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:16:12,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:16:12,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:16:12" (1/1) ... [2022-07-20 03:16:12,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6210a4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:12, skipping insertion in model container [2022-07-20 03:16:12,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:16:12" (1/1) ... [2022-07-20 03:16:12,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:16:12,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:16:13,977 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] [2022-07-20 03:16:13,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:16:14,021 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:16:14,247 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] [2022-07-20 03:16:14,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:16:14,385 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:16:14,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14 WrapperNode [2022-07-20 03:16:14,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:16:14,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:16:14,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:16:14,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:16:14,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,540 INFO L137 Inliner]: procedures = 347, calls = 1404, calls flagged for inlining = 224, calls inlined = 207, statements flattened = 3964 [2022-07-20 03:16:14,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:16:14,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:16:14,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:16:14,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:16:14,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:16:14,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:16:14,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:16:14,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:16:14,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (1/1) ... [2022-07-20 03:16:14,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:16:14,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:16:14,804 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) [2022-07-20 03:16:14,821 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 [2022-07-20 03:16:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-20 03:16:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-20 03:16:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:16:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:16:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:16:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:16:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:16:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:16:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-20 03:16:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-20 03:16:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2022-07-20 03:16:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2022-07-20 03:16:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:16:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:16:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:16:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:16:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 03:16:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2022-07-20 03:16:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2022-07-20 03:16:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-20 03:16:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-20 03:16:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 03:16:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 03:16:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:16:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:16:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2022-07-20 03:16:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2022-07-20 03:16:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:16:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_15 [2022-07-20 03:16:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_15 [2022-07-20 03:16:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2022-07-20 03:16:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2022-07-20 03:16:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:16:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:16:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:16:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:16:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:16:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:16:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:16:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:16:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:16:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-20 03:16:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-20 03:16:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:16:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2022-07-20 03:16:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2022-07-20 03:16:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2022-07-20 03:16:14,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2022-07-20 03:16:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-20 03:16:14,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-20 03:16:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:16:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2022-07-20 03:16:14,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2022-07-20 03:16:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2022-07-20 03:16:14,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2022-07-20 03:16:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2022-07-20 03:16:14,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2022-07-20 03:16:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2022-07-20 03:16:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2022-07-20 03:16:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2022-07-20 03:16:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2022-07-20 03:16:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:16:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:16:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:16:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:16:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:16:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:16:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-20 03:16:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-20 03:16:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:16:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:16:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:16:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:16:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:16:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:16:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:16:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:16:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:16:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:16:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:16:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-20 03:16:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-20 03:16:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2022-07-20 03:16:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2022-07-20 03:16:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:16:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:16:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:16:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:16:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:16:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:16:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:16:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:16:14,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:16:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2022-07-20 03:16:14,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2022-07-20 03:16:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:16:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2022-07-20 03:16:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2022-07-20 03:16:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2022-07-20 03:16:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2022-07-20 03:16:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:16:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:16:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:16:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:16:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:16:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:16:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:16:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:16:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:16:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 03:16:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 03:16:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2022-07-20 03:16:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2022-07-20 03:16:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:16:14,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:16:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:16:14,854 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 03:16:14,855 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2022-07-20 03:16:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2022-07-20 03:16:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:16:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:16:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:16:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:16:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-20 03:16:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-20 03:16:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2022-07-20 03:16:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2022-07-20 03:16:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2022-07-20 03:16:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2022-07-20 03:16:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:16:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:16:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2022-07-20 03:16:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2022-07-20 03:16:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:16:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:16:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2022-07-20 03:16:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2022-07-20 03:16:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:16:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:16:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:16:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-20 03:16:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-20 03:16:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:16:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:16:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2022-07-20 03:16:14,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2022-07-20 03:16:14,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:16:14,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:16:15,529 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:16:15,531 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:16:15,714 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:16:29,867 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:16:30,007 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:16:30,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:16:30,027 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-20 03:16:30,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:16:30 BoogieIcfgContainer [2022-07-20 03:16:30,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:16:30,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:16:30,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:16:30,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:16:30,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:16:12" (1/3) ... [2022-07-20 03:16:30,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a47f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:16:30, skipping insertion in model container [2022-07-20 03:16:30,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:16:14" (2/3) ... [2022-07-20 03:16:30,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a47f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:16:30, skipping insertion in model container [2022-07-20 03:16:30,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:16:30" (3/3) ... [2022-07-20 03:16:30,038 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-07-20 03:16:30,048 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:16:30,048 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 03:16:30,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:16:30,129 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@16b07629, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@427cdeb5 [2022-07-20 03:16:30,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 03:16:30,139 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) [2022-07-20 03:16:30,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-20 03:16:30,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:16:30,160 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] [2022-07-20 03:16:30,160 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] === [2022-07-20 03:16:30,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:16:30,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1578665141, now seen corresponding path program 1 times [2022-07-20 03:16:30,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:16:30,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061568472] [2022-07-20 03:16:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:16:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:16:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:16:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:16:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:16:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:16:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:16:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:16:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:16:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:16:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:16:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:16:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:16:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:16:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:16:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:16:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-07-20 03:16:31,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:16:31,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061568472] [2022-07-20 03:16:31,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061568472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:16:31,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:16:31,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:16:31,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613137526] [2022-07-20 03:16:31,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:16:31,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:16:31,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:16:31,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:16:31,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:16:31,244 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) [2022-07-20 03:16:33,284 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 [] [2022-07-20 03:16:35,298 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 [] [2022-07-20 03:16:40,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:16:40,812 INFO L93 Difference]: Finished difference Result 4172 states and 5960 transitions. [2022-07-20 03:16:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:16:40,814 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 [2022-07-20 03:16:40,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:16:40,840 INFO L225 Difference]: With dead ends: 4172 [2022-07-20 03:16:40,840 INFO L226 Difference]: Without dead ends: 2767 [2022-07-20 03:16:40,852 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 [2022-07-20 03:16:40,855 INFO L413 NwaCegarLoop]: 2061 mSDtfsCounter, 2313 mSDsluCounter, 2136 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 795 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2550 SdHoareTripleChecker+Valid, 4197 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 795 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:16:40,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2550 Valid, 4197 Invalid, 2087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [795 Valid, 1290 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-07-20 03:16:40,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-07-20 03:16:41,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2689. [2022-07-20 03:16:41,037 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) [2022-07-20 03:16:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3647 transitions. [2022-07-20 03:16:41,059 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3647 transitions. Word has length 156 [2022-07-20 03:16:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:16:41,061 INFO L495 AbstractCegarLoop]: Abstraction has 2689 states and 3647 transitions. [2022-07-20 03:16:41,061 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) [2022-07-20 03:16:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3647 transitions. [2022-07-20 03:16:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-20 03:16:41,075 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:16:41,076 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] [2022-07-20 03:16:41,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:16:41,076 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] === [2022-07-20 03:16:41,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:16:41,077 INFO L85 PathProgramCache]: Analyzing trace with hash 443363147, now seen corresponding path program 1 times [2022-07-20 03:16:41,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:16:41,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077735351] [2022-07-20 03:16:41,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:16:41,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:16:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:16:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:16:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:16:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:16:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:16:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:16:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:16:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:16:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:16:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:16:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:16:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:16:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:16:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:16:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 03:16:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:16:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:16:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 03:16:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 03:16:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 03:16:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-07-20 03:16:41,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:16:41,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077735351] [2022-07-20 03:16:41,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077735351] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:16:41,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:16:41,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:16:41,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272331606] [2022-07-20 03:16:41,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:16:41,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:16:41,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:16:41,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:16:41,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:16:41,614 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) [2022-07-20 03:16:43,639 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 [] [2022-07-20 03:16:45,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:16:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:16:50,862 INFO L93 Difference]: Finished difference Result 5485 states and 7526 transitions. [2022-07-20 03:16:50,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:16:50,863 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 [2022-07-20 03:16:50,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:16:50,885 INFO L225 Difference]: With dead ends: 5485 [2022-07-20 03:16:50,885 INFO L226 Difference]: Without dead ends: 4119 [2022-07-20 03:16:50,892 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 [2022-07-20 03:16:50,892 INFO L413 NwaCegarLoop]: 3565 mSDtfsCounter, 1907 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 1322 mSolverCounterSat, 513 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 6597 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1322 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:16:50,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2137 Valid, 6597 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1322 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-07-20 03:16:50,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2022-07-20 03:16:50,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 3994. [2022-07-20 03:16:50,982 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) [2022-07-20 03:16:50,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5417 transitions. [2022-07-20 03:16:50,999 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5417 transitions. Word has length 208 [2022-07-20 03:16:50,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:16:50,999 INFO L495 AbstractCegarLoop]: Abstraction has 3994 states and 5417 transitions. [2022-07-20 03:16:51,000 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) [2022-07-20 03:16:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5417 transitions. [2022-07-20 03:16:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-20 03:16:51,005 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:16:51,005 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] [2022-07-20 03:16:51,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:16:51,005 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] === [2022-07-20 03:16:51,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:16:51,006 INFO L85 PathProgramCache]: Analyzing trace with hash 866064973, now seen corresponding path program 1 times [2022-07-20 03:16:51,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:16:51,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209853665] [2022-07-20 03:16:51,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:16:51,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:16:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:16:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:16:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:16:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:16:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:16:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:16:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:16:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:16:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:16:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:16:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:16:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:16:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:16:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:16:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 03:16:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:16:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:16:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:16:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 03:16:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 03:16:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 03:16:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:16:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-20 03:16:51,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:16:51,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209853665] [2022-07-20 03:16:51,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209853665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:16:51,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:16:51,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:16:51,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881592160] [2022-07-20 03:16:51,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:16:51,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:16:51,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:16:51,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:16:51,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:16:51,549 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) [2022-07-20 03:16:53,579 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 [] [2022-07-20 03:17:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:17:03,899 INFO L93 Difference]: Finished difference Result 8199 states and 11368 transitions. [2022-07-20 03:17:03,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:17:03,899 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 [2022-07-20 03:17:03,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:17:03,940 INFO L225 Difference]: With dead ends: 8199 [2022-07-20 03:17:03,940 INFO L226 Difference]: Without dead ends: 8195 [2022-07-20 03:17:03,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-20 03:17:03,947 INFO L413 NwaCegarLoop]: 2040 mSDtfsCounter, 2342 mSDsluCounter, 4762 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 805 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2573 SdHoareTripleChecker+Valid, 6802 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:17:03,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2573 Valid, 6802 Invalid, 3868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 3062 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-07-20 03:17:03,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8195 states. [2022-07-20 03:17:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8195 to 7980. [2022-07-20 03:17:04,189 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) [2022-07-20 03:17:04,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7980 states to 7980 states and 10952 transitions. [2022-07-20 03:17:04,218 INFO L78 Accepts]: Start accepts. Automaton has 7980 states and 10952 transitions. Word has length 208 [2022-07-20 03:17:04,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:17:04,220 INFO L495 AbstractCegarLoop]: Abstraction has 7980 states and 10952 transitions. [2022-07-20 03:17:04,220 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) [2022-07-20 03:17:04,220 INFO L276 IsEmpty]: Start isEmpty. Operand 7980 states and 10952 transitions. [2022-07-20 03:17:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-20 03:17:04,227 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:17:04,228 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] [2022-07-20 03:17:04,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:17:04,228 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] === [2022-07-20 03:17:04,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:17:04,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1182633900, now seen corresponding path program 1 times [2022-07-20 03:17:04,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:17:04,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188174021] [2022-07-20 03:17:04,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:17:04,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:17:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:17:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:17:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:17:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:17:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:17:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:17:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:17:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:17:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:17:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:17:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:17:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:17:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:17:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:17:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 03:17:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:17:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:17:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 03:17:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 03:17:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 03:17:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 03:17:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-20 03:17:04,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:17:04,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188174021] [2022-07-20 03:17:04,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188174021] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:17:04,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:17:04,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:17:04,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575379799] [2022-07-20 03:17:04,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:17:04,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:17:04,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:17:04,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:17:04,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:17:04,797 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) [2022-07-20 03:17:06,821 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 [] [2022-07-20 03:17:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:17:12,830 INFO L93 Difference]: Finished difference Result 8199 states and 11368 transitions. [2022-07-20 03:17:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:17:12,831 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 [2022-07-20 03:17:12,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:17:12,872 INFO L225 Difference]: With dead ends: 8199 [2022-07-20 03:17:12,872 INFO L226 Difference]: Without dead ends: 8165 [2022-07-20 03:17:12,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:17:12,882 INFO L413 NwaCegarLoop]: 1833 mSDtfsCounter, 1937 mSDsluCounter, 3439 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 513 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s 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, 7.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:17:12,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 5272 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1659 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-07-20 03:17:12,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8165 states. [2022-07-20 03:17:13,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8165 to 7952. [2022-07-20 03:17:13,123 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) [2022-07-20 03:17:13,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7952 states to 7952 states and 10916 transitions. [2022-07-20 03:17:13,145 INFO L78 Accepts]: Start accepts. Automaton has 7952 states and 10916 transitions. Word has length 213 [2022-07-20 03:17:13,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:17:13,145 INFO L495 AbstractCegarLoop]: Abstraction has 7952 states and 10916 transitions. [2022-07-20 03:17:13,146 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) [2022-07-20 03:17:13,146 INFO L276 IsEmpty]: Start isEmpty. Operand 7952 states and 10916 transitions. [2022-07-20 03:17:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2022-07-20 03:17:13,172 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:17:13,172 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] [2022-07-20 03:17:13,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:17:13,173 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] === [2022-07-20 03:17:13,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:17:13,173 INFO L85 PathProgramCache]: Analyzing trace with hash -701295382, now seen corresponding path program 1 times [2022-07-20 03:17:13,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:17:13,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578290294] [2022-07-20 03:17:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:17:13,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:17:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:17:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:17:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:17:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:17:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:17:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:17:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:17:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:17:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:17:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:17:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:17:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:17:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:17:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 03:17:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:17:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:17:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:17:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:17:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:17:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:17:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:17:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 03:17:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 03:17:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 03:17:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:17:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 03:17:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:17:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:17:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:17:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 03:17:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:17:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:17:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 03:17:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 03:17:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 03:17:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:17:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 03:17:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:17:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:17:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 03:17:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:17:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 03:17:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 03:17:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 03:17:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 03:17:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-20 03:17:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-20 03:17:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-20 03:17:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-20 03:17:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-20 03:17:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-20 03:17:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-07-20 03:17:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-07-20 03:17:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:14,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2711 trivial. 0 not checked. [2022-07-20 03:17:14,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:17:14,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578290294] [2022-07-20 03:17:14,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578290294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:17:14,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:17:14,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 03:17:14,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211252081] [2022-07-20 03:17:14,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:17:14,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 03:17:14,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:17:14,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 03:17:14,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:17:14,525 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) [2022-07-20 03:17:16,549 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 [] [2022-07-20 03:17:18,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:17:38,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:17:38,873 INFO L93 Difference]: Finished difference Result 23174 states and 32147 transitions. [2022-07-20 03:17:38,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 03:17:38,874 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 [2022-07-20 03:17:38,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:17:38,956 INFO L225 Difference]: With dead ends: 23174 [2022-07-20 03:17:38,957 INFO L226 Difference]: Without dead ends: 15251 [2022-07-20 03:17:38,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-07-20 03:17:38,989 INFO L413 NwaCegarLoop]: 2109 mSDtfsCounter, 1949 mSDsluCounter, 5051 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 829 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2202 SdHoareTripleChecker+Valid, 7160 SdHoareTripleChecker+Invalid, 5295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 4464 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:17:38,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2202 Valid, 7160 Invalid, 5295 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [829 Valid, 4464 Invalid, 2 Unknown, 0 Unchecked, 23.4s Time] [2022-07-20 03:17:39,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15251 states. [2022-07-20 03:17:39,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15251 to 14340. [2022-07-20 03:17:39,489 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) [2022-07-20 03:17:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14340 states to 14340 states and 19402 transitions. [2022-07-20 03:17:39,533 INFO L78 Accepts]: Start accepts. Automaton has 14340 states and 19402 transitions. Word has length 568 [2022-07-20 03:17:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:17:39,534 INFO L495 AbstractCegarLoop]: Abstraction has 14340 states and 19402 transitions. [2022-07-20 03:17:39,534 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) [2022-07-20 03:17:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 14340 states and 19402 transitions. [2022-07-20 03:17:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-20 03:17:39,582 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:17:39,583 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] [2022-07-20 03:17:39,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 03:17:39,583 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] === [2022-07-20 03:17:39,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:17:39,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1984522854, now seen corresponding path program 1 times [2022-07-20 03:17:39,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:17:39,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417172196] [2022-07-20 03:17:39,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:17:39,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:17:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:17:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:17:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:17:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:17:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:17:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:17:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:17:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:17:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:17:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:17:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:17:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:17:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:17:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:17:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 03:17:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:17:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:17:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:17:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:17:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:17:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:17:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 03:17:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 03:17:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 03:17:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:17:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 03:17:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:17:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:17:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:17:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 03:17:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:17:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:17:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 03:17:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 03:17:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 03:17:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:17:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 03:17:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:17:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:17:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 03:17:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:17:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 03:17:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 03:17:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 03:17:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 03:17:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-20 03:17:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-20 03:17:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-20 03:17:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-20 03:17:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-20 03:17:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-20 03:17:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-20 03:17:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:17:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-07-20 03:17:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-20 03:17:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-20 03:17:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:17:40,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2861 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2855 trivial. 0 not checked. [2022-07-20 03:17:40,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:17:40,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417172196] [2022-07-20 03:17:40,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417172196] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:17:40,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:17:40,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 03:17:40,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42102470] [2022-07-20 03:17:40,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:17:40,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 03:17:40,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:17:40,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 03:17:40,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:17:40,779 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) [2022-07-20 03:17:42,802 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 [] [2022-07-20 03:17:44,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:17:46,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:17:49,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:18:04,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:18:04,578 INFO L93 Difference]: Finished difference Result 32920 states and 45053 transitions. [2022-07-20 03:18:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 03:18:04,579 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 [2022-07-20 03:18:04,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:18:04,654 INFO L225 Difference]: With dead ends: 32920 [2022-07-20 03:18:04,655 INFO L226 Difference]: Without dead ends: 18024 [2022-07-20 03:18:04,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-07-20 03:18:04,706 INFO L413 NwaCegarLoop]: 2772 mSDtfsCounter, 2778 mSDsluCounter, 4833 mSDsCounter, 0 mSdLazyCounter, 3195 mSolverCounterSat, 1304 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 7605 SdHoareTripleChecker+Invalid, 4503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1304 IncrementalHoareTripleChecker+Valid, 3195 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:18:04,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 7605 Invalid, 4503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1304 Valid, 3195 Invalid, 4 Unknown, 0 Unchecked, 22.7s Time] [2022-07-20 03:18:04,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18024 states. [2022-07-20 03:18:05,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18024 to 16979. [2022-07-20 03:18:05,308 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) [2022-07-20 03:18:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16979 states to 16979 states and 22832 transitions. [2022-07-20 03:18:05,364 INFO L78 Accepts]: Start accepts. Automaton has 16979 states and 22832 transitions. Word has length 574 [2022-07-20 03:18:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:18:05,364 INFO L495 AbstractCegarLoop]: Abstraction has 16979 states and 22832 transitions. [2022-07-20 03:18:05,365 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) [2022-07-20 03:18:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 16979 states and 22832 transitions. [2022-07-20 03:18:05,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2022-07-20 03:18:05,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:18:05,400 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] [2022-07-20 03:18:05,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 03:18:05,401 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] === [2022-07-20 03:18:05,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:18:05,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1762705755, now seen corresponding path program 1 times [2022-07-20 03:18:05,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:18:05,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739873645] [2022-07-20 03:18:05,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:18:05,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:18:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:18:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:18:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:18:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:18:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:18:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:18:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:18:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:18:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:18:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:18:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:18:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:18:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:18:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:18:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 03:18:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:18:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 03:18:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 03:18:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:18:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 03:18:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:05,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 03:18:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 03:18:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:18:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:18:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:18:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:18:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:18:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:18:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 03:18:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 03:18:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 03:18:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:18:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 03:18:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:18:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:18:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:18:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 03:18:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:18:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:18:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 03:18:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 03:18:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 03:18:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:18:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 03:18:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:18:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:18:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 03:18:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:18:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 03:18:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 03:18:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 03:18:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 03:18:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-20 03:18:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-20 03:18:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-20 03:18:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-20 03:18:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2893 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2881 trivial. 0 not checked. [2022-07-20 03:18:06,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:18:06,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739873645] [2022-07-20 03:18:06,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739873645] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:18:06,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:18:06,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 03:18:06,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034843222] [2022-07-20 03:18:06,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:18:06,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 03:18:06,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:18:06,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 03:18:06,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:18:06,587 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) [2022-07-20 03:18:08,613 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 [] [2022-07-20 03:18:10,734 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 [] [2022-07-20 03:18:22,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:18:22,505 INFO L93 Difference]: Finished difference Result 42227 states and 57688 transitions. [2022-07-20 03:18:22,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 03:18:22,505 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 [2022-07-20 03:18:22,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:18:22,676 INFO L225 Difference]: With dead ends: 42227 [2022-07-20 03:18:22,677 INFO L226 Difference]: Without dead ends: 25824 [2022-07-20 03:18:22,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-07-20 03:18:22,730 INFO L413 NwaCegarLoop]: 3419 mSDtfsCounter, 2607 mSDsluCounter, 4341 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 1535 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2876 SdHoareTripleChecker+Valid, 7760 SdHoareTripleChecker+Invalid, 4053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1535 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:18:22,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2876 Valid, 7760 Invalid, 4053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1535 Valid, 2516 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2022-07-20 03:18:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25824 states. [2022-07-20 03:18:23,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25824 to 24335. [2022-07-20 03:18:23,809 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) [2022-07-20 03:18:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24335 states to 24335 states and 32660 transitions. [2022-07-20 03:18:23,878 INFO L78 Accepts]: Start accepts. Automaton has 24335 states and 32660 transitions. Word has length 582 [2022-07-20 03:18:23,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:18:23,878 INFO L495 AbstractCegarLoop]: Abstraction has 24335 states and 32660 transitions. [2022-07-20 03:18:23,879 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) [2022-07-20 03:18:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 24335 states and 32660 transitions. [2022-07-20 03:18:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2022-07-20 03:18:23,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:18:23,923 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] [2022-07-20 03:18:23,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 03:18:23,923 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] === [2022-07-20 03:18:23,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:18:23,924 INFO L85 PathProgramCache]: Analyzing trace with hash 872790675, now seen corresponding path program 1 times [2022-07-20 03:18:23,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:18:23,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850916961] [2022-07-20 03:18:23,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:18:23,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:18:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:18:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:18:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:18:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:18:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:18:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:18:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:18:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:18:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:18:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:18:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:18:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:18:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:18:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:18:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 03:18:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:18:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 03:18:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 03:18:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:18:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 03:18:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 03:18:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:18:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:18:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 03:18:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:18:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 03:18:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 03:18:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:18:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:18:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:18:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:18:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:18:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:18:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 03:18:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 03:18:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 03:18:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:18:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 03:18:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:18:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:18:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:18:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 03:18:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:18:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:18:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 03:18:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 03:18:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 03:18:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:18:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 03:18:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:18:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:18:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 03:18:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:18:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 03:18:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 03:18:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 03:18:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 03:18:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-20 03:18:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-20 03:18:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-20 03:18:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-07-20 03:18:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3182 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3149 trivial. 0 not checked. [2022-07-20 03:18:25,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:18:25,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850916961] [2022-07-20 03:18:25,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850916961] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:18:25,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:18:25,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 03:18:25,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650724739] [2022-07-20 03:18:25,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:18:25,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 03:18:25,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:18:25,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 03:18:25,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:18:25,093 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) [2022-07-20 03:18:27,117 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 [] [2022-07-20 03:18:29,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:18:31,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:18:46,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:18:46,144 INFO L93 Difference]: Finished difference Result 57324 states and 78110 transitions. [2022-07-20 03:18:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 03:18:46,145 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 [2022-07-20 03:18:46,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:18:46,296 INFO L225 Difference]: With dead ends: 57324 [2022-07-20 03:18:46,296 INFO L226 Difference]: Without dead ends: 32987 [2022-07-20 03:18:46,352 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 [2022-07-20 03:18:46,353 INFO L413 NwaCegarLoop]: 3405 mSDtfsCounter, 2945 mSDsluCounter, 6064 mSDsCounter, 0 mSdLazyCounter, 2919 mSolverCounterSat, 1894 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3219 SdHoareTripleChecker+Valid, 9469 SdHoareTripleChecker+Invalid, 4816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1894 IncrementalHoareTripleChecker+Valid, 2919 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:18:46,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3219 Valid, 9469 Invalid, 4816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1894 Valid, 2919 Invalid, 3 Unknown, 0 Unchecked, 19.3s Time] [2022-07-20 03:18:46,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32987 states. [2022-07-20 03:18:47,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32987 to 31086. [2022-07-20 03:18:47,789 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) [2022-07-20 03:18:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31086 states to 31086 states and 41715 transitions. [2022-07-20 03:18:47,876 INFO L78 Accepts]: Start accepts. Automaton has 31086 states and 41715 transitions. Word has length 631 [2022-07-20 03:18:47,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:18:47,876 INFO L495 AbstractCegarLoop]: Abstraction has 31086 states and 41715 transitions. [2022-07-20 03:18:47,877 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) [2022-07-20 03:18:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 31086 states and 41715 transitions. [2022-07-20 03:18:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2022-07-20 03:18:47,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:18:47,918 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] [2022-07-20 03:18:47,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 03:18:47,918 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] === [2022-07-20 03:18:47,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:18:47,919 INFO L85 PathProgramCache]: Analyzing trace with hash 412574229, now seen corresponding path program 1 times [2022-07-20 03:18:47,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:18:47,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437617580] [2022-07-20 03:18:47,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:18:47,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:18:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:18:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:18:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:18:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:18:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:18:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:18:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:18:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:18:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:18:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:18:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:18:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:18:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:18:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:18:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 03:18:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:18:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 03:18:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 03:18:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:18:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 03:18:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 03:18:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:18:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:18:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 03:18:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:18:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 03:18:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 03:18:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:18:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:18:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:18:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:18:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:18:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:18:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 03:18:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 03:18:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 03:18:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 03:18:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 03:18:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 03:18:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 03:18:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:18:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 03:18:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:18:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:18:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 03:18:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 03:18:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 03:18:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 03:18:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 03:18:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:18:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:18:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 03:18:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 03:18:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 03:18:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 03:18:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 03:18:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 03:18:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-07-20 03:18:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:18:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-20 03:18:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-20 03:18:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2022-07-20 03:18:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:18:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3182 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3169 trivial. 0 not checked. [2022-07-20 03:18:49,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:18:49,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437617580] [2022-07-20 03:18:49,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437617580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:18:49,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:18:49,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 03:18:49,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398616194] [2022-07-20 03:18:49,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:18:49,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 03:18:49,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:18:49,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 03:18:49,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:18:49,569 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) [2022-07-20 03:18:51,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:18:53,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:18:55,862 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 [] [2022-07-20 03:19:09,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:19:09,786 INFO L93 Difference]: Finished difference Result 63606 states and 87055 transitions. [2022-07-20 03:19:09,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:19:09,786 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 [2022-07-20 03:19:09,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:19:09,932 INFO L225 Difference]: With dead ends: 63606 [2022-07-20 03:19:09,933 INFO L226 Difference]: Without dead ends: 33096 [2022-07-20 03:19:10,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-20 03:19:10,005 INFO L413 NwaCegarLoop]: 1790 mSDtfsCounter, 881 mSDsluCounter, 5913 mSDsCounter, 0 mSdLazyCounter, 3611 mSolverCounterSat, 712 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 7703 SdHoareTripleChecker+Invalid, 4326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 3611 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:19:10,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 7703 Invalid, 4326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [712 Valid, 3611 Invalid, 3 Unknown, 0 Unchecked, 18.7s Time] [2022-07-20 03:19:10,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33096 states. [2022-07-20 03:19:11,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33096 to 31146. [2022-07-20 03:19:11,436 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) [2022-07-20 03:19:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31146 states to 31146 states and 41775 transitions. [2022-07-20 03:19:11,529 INFO L78 Accepts]: Start accepts. Automaton has 31146 states and 41775 transitions. Word has length 631 [2022-07-20 03:19:11,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:19:11,531 INFO L495 AbstractCegarLoop]: Abstraction has 31146 states and 41775 transitions. [2022-07-20 03:19:11,531 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) [2022-07-20 03:19:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 31146 states and 41775 transitions. [2022-07-20 03:19:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2022-07-20 03:19:11,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:19:11,577 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] [2022-07-20 03:19:11,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 03:19:11,577 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] === [2022-07-20 03:19:11,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:19:11,578 INFO L85 PathProgramCache]: Analyzing trace with hash 671484093, now seen corresponding path program 1 times [2022-07-20 03:19:11,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:19:11,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893866085] [2022-07-20 03:19:11,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:19:11,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:19:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:19:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:19:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:11,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:19:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:19:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:11,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:19:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:19:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:19:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:19:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:19:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:19:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:19:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:19:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 03:19:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 03:19:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 03:19:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 03:19:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 03:19:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 03:19:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:19:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 03:19:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 03:19:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:19:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:19:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 03:19:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:19:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 03:19:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 03:19:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:19:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:19:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 03:19:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:19:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:19:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 03:19:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:19:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:19:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 03:19:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-20 03:19:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 03:19:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 03:19:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 03:19:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 03:19:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:19:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 03:19:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 03:19:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 03:19:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 03:19:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 03:19:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 03:19:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:19:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 03:19:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 03:19:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 03:19:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:19:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 03:19:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-20 03:19:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 03:19:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 03:19:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 03:19:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:19:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 03:19:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-20 03:19:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:19:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2022-07-20 03:19:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-07-20 03:19:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-07-20 03:19:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3291 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 3230 trivial. 0 not checked. [2022-07-20 03:19:13,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:19:13,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893866085] [2022-07-20 03:19:13,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893866085] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 03:19:13,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220339367] [2022-07-20 03:19:13,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:19:13,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 03:19:13,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:19:13,358 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) [2022-07-20 03:19:13,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 03:19:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:19:14,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 4945 conjuncts, 50 conjunts are in the unsatisfiable core [2022-07-20 03:19:14,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:19:19,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3291 backedges. 1636 proven. 34 refuted. 0 times theorem prover too weak. 1621 trivial. 0 not checked. [2022-07-20 03:19:19,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 03:19:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3291 backedges. 48 proven. 37 refuted. 0 times theorem prover too weak. 3206 trivial. 0 not checked. [2022-07-20 03:19:21,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220339367] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 03:19:21,075 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 03:19:21,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 17] total 32 [2022-07-20 03:19:21,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832488813] [2022-07-20 03:19:21,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 03:19:21,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-07-20 03:19:21,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:19:21,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-07-20 03:19:21,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2022-07-20 03:19:21,094 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) [2022-07-20 03:19:23,129 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 [] [2022-07-20 03:19:25,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:19:27,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:19:29,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:19:31,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []