/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:57:15,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:57:15,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:57:15,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:57:15,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:57:15,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:57:15,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:57:15,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:57:15,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:57:15,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:57:15,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:57:15,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:57:15,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:57:15,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:57:15,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:57:15,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:57:15,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:57:15,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:57:15,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:57:15,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:57:15,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:57:15,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:57:15,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:57:15,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:57:15,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:57:15,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:57:15,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:57:15,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:57:15,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:57:15,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:57:15,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:57:15,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:57:15,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:57:15,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:57:15,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:57:15,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:57:15,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:57:15,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:57:15,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:57:15,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:57:15,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:57:15,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 03:57:15,487 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:57:15,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:57:15,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:57:15,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:57:15,489 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:57:15,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:57:15,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:57:15,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:57:15,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:57:15,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:57:15,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:57:15,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:57:15,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:57:15,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:57:15,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:57:15,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:57:15,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:57:15,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:57:15,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:57:15,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:57:15,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:57:15,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:57:15,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:57:15,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:57:15,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:57:15,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:57:15,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 03:57:15,495 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-09-25 03:57:15,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:57:15,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:57:15,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:57:15,986 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:57:15,986 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:57:15,989 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 03:57:16,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51536c53f/2fdb23f623954ec6a2ba9d7fa7d0ef6d/FLAGea6138938 [2020-09-25 03:57:16,996 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:57:16,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 03:57:17,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51536c53f/2fdb23f623954ec6a2ba9d7fa7d0ef6d/FLAGea6138938 [2020-09-25 03:57:17,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51536c53f/2fdb23f623954ec6a2ba9d7fa7d0ef6d [2020-09-25 03:57:17,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:57:17,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:57:17,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:57:17,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:57:17,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:57:17,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:57:17" (1/1) ... [2020-09-25 03:57:17,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e077697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:17, skipping insertion in model container [2020-09-25 03:57:17,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:57:17" (1/1) ... [2020-09-25 03:57:17,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:57:17,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:57:18,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:57:19,004 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:57:19,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:57:19,422 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:57:19,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19 WrapperNode [2020-09-25 03:57:19,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:57:19,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:57:19,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:57:19,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:57:19,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19" (1/1) ... [2020-09-25 03:57:19,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19" (1/1) ... [2020-09-25 03:57:19,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19" (1/1) ... [2020-09-25 03:57:19,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19" (1/1) ... [2020-09-25 03:57:19,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19" (1/1) ... [2020-09-25 03:57:19,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19" (1/1) ... [2020-09-25 03:57:19,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19" (1/1) ... [2020-09-25 03:57:19,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:57:19,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:57:19,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:57:19,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:57:19,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:57:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:57:19,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:57:19,790 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-25 03:57:19,791 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-25 03:57:19,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-25 03:57:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-25 03:57:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-25 03:57:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 03:57:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 03:57:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 03:57:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 03:57:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 03:57:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 03:57:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 03:57:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 03:57:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-09-25 03:57:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-09-25 03:57:19,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 03:57:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 03:57:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 03:57:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-25 03:57:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 03:57:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-25 03:57:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-25 03:57:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-25 03:57:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-25 03:57:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-25 03:57:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-25 03:57:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-25 03:57:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-25 03:57:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-25 03:57:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-25 03:57:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-25 03:57:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-25 03:57:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-25 03:57:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-25 03:57:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-25 03:57:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-25 03:57:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:57:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_5 [2020-09-25 03:57:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_6 [2020-09-25 03:57:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_7 [2020-09-25 03:57:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 03:57:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 03:57:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 03:57:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 03:57:19,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 03:57:19,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-25 03:57:19,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-25 03:57:19,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-25 03:57:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-25 03:57:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-25 03:57:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 03:57:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 03:57:19,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 03:57:19,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 03:57:19,807 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-25 03:57:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-25 03:57:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-25 03:57:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 03:57:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-25 03:57:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-25 03:57:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 03:57:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 03:57:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-25 03:57:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-25 03:57:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 03:57:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-25 03:57:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 03:57:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 03:57:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 03:57:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 03:57:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 03:57:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:57:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 03:57:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 03:57:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 03:57:19,813 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 03:57:19,814 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 03:57:19,814 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-25 03:57:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-25 03:57:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-25 03:57:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-25 03:57:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-25 03:57:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-25 03:57:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 03:57:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-25 03:57:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 03:57:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 03:57:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 03:57:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 03:57:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 03:57:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 03:57:19,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 03:57:19,818 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 03:57:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:57:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 03:57:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:57:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 03:57:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:57:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 03:57:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:57:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 03:57:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-09-25 03:57:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-09-25 03:57:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 03:57:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 03:57:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 03:57:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 03:57:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-25 03:57:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-25 03:57:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-25 03:57:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-25 03:57:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-25 03:57:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-25 03:57:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-25 03:57:19,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_5 [2020-09-25 03:57:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-25 03:57:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_6 [2020-09-25 03:57:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_7 [2020-09-25 03:57:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-25 03:57:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-25 03:57:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 03:57:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 03:57:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 03:57:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 03:57:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 03:57:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-25 03:57:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-25 03:57:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-25 03:57:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-25 03:57:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-25 03:57:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-25 03:57:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-25 03:57:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-25 03:57:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-25 03:57:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-25 03:57:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:57:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:57:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:57:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:57:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:57:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:57:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-25 03:57:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-25 03:57:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-25 03:57:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 03:57:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 03:57:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:57:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 03:57:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 03:57:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 03:57:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 03:57:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 03:57:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-25 03:57:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-25 03:57:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-25 03:57:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-25 03:57:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-25 03:57:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:57:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:57:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:57:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:57:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 03:57:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 03:57:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 03:57:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 03:57:20,855 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 03:57:20,863 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-25 03:57:22,671 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:57:22,671 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 03:57:22,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:57:22 BoogieIcfgContainer [2020-09-25 03:57:22,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:57:22,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:57:22,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:57:22,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:57:22,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:57:17" (1/3) ... [2020-09-25 03:57:22,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485125af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:57:22, skipping insertion in model container [2020-09-25 03:57:22,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:57:19" (2/3) ... [2020-09-25 03:57:22,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485125af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:57:22, skipping insertion in model container [2020-09-25 03:57:22,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:57:22" (3/3) ... [2020-09-25 03:57:22,696 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 03:57:22,709 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:57:22,722 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:57:22,748 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:57:22,787 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:57:22,787 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:57:22,787 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:57:22,787 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:57:22,787 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:57:22,787 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:57:22,788 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:57:22,788 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:57:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-09-25 03:57:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-09-25 03:57:22,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:57:22,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:57:22,961 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:57:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:57:22,969 INFO L82 PathProgramCache]: Analyzing trace with hash 462327911, now seen corresponding path program 1 times [2020-09-25 03:57:22,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:57:22,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1254190755] [2020-09-25 03:57:22,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:57:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:23,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:25,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:26,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:26,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 03:57:26,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:57:26,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3153 [2020-09-25 03:57:26,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:57:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-09-25 03:57:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 03:57:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:57:28,721 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 514 [2020-09-25 03:57:28,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:57:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:29,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:29,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:29,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 03:57:29,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:29,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-09-25 03:57:29,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:57:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-09-25 03:57:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:30,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-25 03:57:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:30,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:30,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:30,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:57:30,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:30,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 03:57:30,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:30,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:57:30,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:30,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:57:30,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:57:30,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-09-25 03:57:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:30,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:30,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:30,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:57:30,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 03:57:30,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:30,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:57:30,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:30,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 03:57:30,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:30,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:57:30,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1254190755] [2020-09-25 03:57:30,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:57:30,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:57:30,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768211554] [2020-09-25 03:57:30,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:57:30,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:57:30,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:57:30,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:57:30,704 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 5 states. [2020-09-25 03:57:34,102 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:46,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:57:46,449 INFO L93 Difference]: Finished difference Result 2867 states and 3480 transitions. [2020-09-25 03:57:46,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:57:46,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 298 [2020-09-25 03:57:46,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:57:46,460 INFO L225 Difference]: With dead ends: 2867 [2020-09-25 03:57:46,460 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 03:57:46,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:57:46,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 03:57:46,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 03:57:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 03:57:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 03:57:46,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2020-09-25 03:57:46,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:57:46,514 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 03:57:46,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:57:46,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 03:57:46,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 03:57:46,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:57:46,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 03:57:47,759 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:48,972 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:50,060 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:51,159 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:52,233 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:53,311 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:54,396 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:55,489 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:56,561 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:57,631 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:58,718 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:57:59,795 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:00,874 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:01,982 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:03,064 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:04,141 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:05,217 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:06,302 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:07,378 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:08,454 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:09,534 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:10,609 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:11,702 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:12,918 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:14,027 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:15,103 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:16,177 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 03:58:17,249 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516