/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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 10:47:17,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:47:17,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:47:17,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:47:17,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:47:17,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:47:17,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:47:17,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:47:17,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:47:17,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:47:17,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:47:17,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:47:17,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:47:17,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:47:17,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:47:17,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:47:17,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:47:17,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:47:17,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:47:17,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:47:17,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:47:17,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:47:17,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:47:17,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:47:17,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:47:17,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:47:17,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:47:17,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:47:17,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:47:17,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:47:17,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:47:17,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:47:17,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:47:17,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:47:17,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:47:17,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:47:17,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:47:17,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:47:17,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:47:17,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:47:17,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:47:17,129 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 10:47:17,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:47:17,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:47:17,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:47:17,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:47:17,182 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:47:17,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:47:17,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:47:17,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:47:17,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:47:17,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:47:17,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:47:17,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:47:17,185 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:47:17,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:47:17,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:47:17,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:47:17,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:47:17,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:47:17,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:47:17,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:47:17,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:47:17,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:47:17,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:47:17,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:47:17,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:47:17,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:47:17,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 10:47:17,189 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 10:47:17,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:47:17,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:47:17,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:47:17,700 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:47:17,701 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:47:17,702 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 10:47:17,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efe66b0db/6d2f05673b0840468ed6e50ec17174b9/FLAGa75566f42 [2020-09-25 10:47:18,626 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:47:18,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 10:47:18,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efe66b0db/6d2f05673b0840468ed6e50ec17174b9/FLAGa75566f42 [2020-09-25 10:47:19,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efe66b0db/6d2f05673b0840468ed6e50ec17174b9 [2020-09-25 10:47:19,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:47:19,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:47:19,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:47:19,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:47:19,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:47:19,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:47:19" (1/1) ... [2020-09-25 10:47:19,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3ac5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:19, skipping insertion in model container [2020-09-25 10:47:19,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:47:19" (1/1) ... [2020-09-25 10:47:19,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:47:19,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:47:21,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:47:21,053 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:47:21,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:47:21,347 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:47:21,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21 WrapperNode [2020-09-25 10:47:21,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:47:21,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:47:21,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:47:21,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:47:21,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21" (1/1) ... [2020-09-25 10:47:21,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21" (1/1) ... [2020-09-25 10:47:21,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21" (1/1) ... [2020-09-25 10:47:21,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21" (1/1) ... [2020-09-25 10:47:21,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21" (1/1) ... [2020-09-25 10:47:21,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21" (1/1) ... [2020-09-25 10:47:21,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21" (1/1) ... [2020-09-25 10:47:21,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:47:21,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:47:21,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:47:21,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:47:21,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21" (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 10:47:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:47:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:47:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-25 10:47:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-25 10:47:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-25 10:47:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-25 10:47:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-25 10:47:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 10:47:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 10:47:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 10:47:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 10:47:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 10:47:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 10:47:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 10:47:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 10:47:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-09-25 10:47:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-09-25 10:47:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 10:47:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 10:47:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 10:47:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-25 10:47:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 10:47:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-25 10:47:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-25 10:47:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-25 10:47:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-25 10:47:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-25 10:47:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-25 10:47:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-25 10:47:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-25 10:47:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-25 10:47:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-25 10:47:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-25 10:47:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-25 10:47:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-25 10:47:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-25 10:47:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-25 10:47:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-25 10:47:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:47:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_5 [2020-09-25 10:47:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_6 [2020-09-25 10:47:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_7 [2020-09-25 10:47:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 10:47:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 10:47:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 10:47:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 10:47:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 10:47:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-25 10:47:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-25 10:47:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-25 10:47:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-25 10:47:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-25 10:47:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 10:47:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 10:47:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 10:47:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 10:47:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-25 10:47:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-25 10:47:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-25 10:47:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 10:47:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-25 10:47:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-25 10:47:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 10:47:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 10:47:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-25 10:47:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-25 10:47:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 10:47:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-25 10:47:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 10:47:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 10:47:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 10:47:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 10:47:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 10:47:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:47:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 10:47:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 10:47:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 10:47:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 10:47:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 10:47:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-25 10:47:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-25 10:47:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-25 10:47:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-25 10:47:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-25 10:47:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-25 10:47:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 10:47:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-25 10:47:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 10:47:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 10:47:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 10:47:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 10:47:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 10:47:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 10:47:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 10:47:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 10:47:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:47:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 10:47:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:47:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 10:47:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 10:47:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 10:47:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:47:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 10:47:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-09-25 10:47:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-09-25 10:47:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 10:47:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 10:47:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 10:47:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 10:47:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-25 10:47:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-25 10:47:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-25 10:47:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-25 10:47:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-25 10:47:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-25 10:47:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-25 10:47:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_5 [2020-09-25 10:47:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-25 10:47:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_6 [2020-09-25 10:47:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_7 [2020-09-25 10:47:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-25 10:47:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-25 10:47:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 10:47:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 10:47:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 10:47:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 10:47:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 10:47:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-25 10:47:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-25 10:47:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-25 10:47:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-25 10:47:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-25 10:47:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-25 10:47:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-25 10:47:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-25 10:47:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-25 10:47:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-25 10:47:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:47:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:47:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:47:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:47:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:47:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:47:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-25 10:47:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-25 10:47:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-25 10:47:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 10:47:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 10:47:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:47:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 10:47:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 10:47:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 10:47:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 10:47:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 10:47:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-25 10:47:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-25 10:47:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-25 10:47:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-25 10:47:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-25 10:47:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:47:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:47:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:47:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:47:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 10:47:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 10:47:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 10:47:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 10:47:22,790 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 10:47:22,799 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-25 10:47:24,477 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:47:24,477 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 10:47:24,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:47:24 BoogieIcfgContainer [2020-09-25 10:47:24,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:47:24,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:47:24,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:47:24,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:47:24,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:47:19" (1/3) ... [2020-09-25 10:47:24,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe4c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:47:24, skipping insertion in model container [2020-09-25 10:47:24,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:47:21" (2/3) ... [2020-09-25 10:47:24,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe4c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:47:24, skipping insertion in model container [2020-09-25 10:47:24,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:47:24" (3/3) ... [2020-09-25 10:47:24,499 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 10:47:24,511 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:47:24,524 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:47:24,597 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:47:24,632 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:47:24,632 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:47:24,632 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:47:24,633 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:47:24,633 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:47:24,633 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:47:24,633 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:47:24,633 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:47:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-09-25 10:47:24,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-09-25 10:47:24,699 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:47:24,700 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 10:47:24,701 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:47:24,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:47:24,709 INFO L82 PathProgramCache]: Analyzing trace with hash 462327911, now seen corresponding path program 1 times [2020-09-25 10:47:24,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:47:24,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695913826] [2020-09-25 10:47:24,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:47:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:25,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:27,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:29,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:29,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 10:47:29,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:47:29,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3482 [2020-09-25 10:47:29,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:29,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:47:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-09-25 10:47:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 10:47:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:47:31,020 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 514 [2020-09-25 10:47:31,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:47:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:31,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:32,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:32,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 10:47:32,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1252 [2020-09-25 10:47:32,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:32,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:47:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-09-25 10:47:32,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:32,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-25 10:47:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:32,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:32,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:32,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:47:32,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:32,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 10:47:32,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:32,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:47:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:47:32,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:32,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-09-25 10:47:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:32,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:32,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:32,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:47:32,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 10:47:32,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:32,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:47:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 10:47:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:33,052 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 10:47:33,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695913826] [2020-09-25 10:47:33,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:47:33,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:47:33,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434832886] [2020-09-25 10:47:33,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:47:33,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:47:33,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:47:33,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:47:33,088 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 5 states. [2020-09-25 10:47:36,443 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:47:48,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:47:48,899 INFO L93 Difference]: Finished difference Result 2867 states and 3480 transitions. [2020-09-25 10:47:48,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:47:48,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 298 [2020-09-25 10:47:48,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:47:48,911 INFO L225 Difference]: With dead ends: 2867 [2020-09-25 10:47:48,912 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:47:48,930 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 10:47:48,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:47:48,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:47:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:47:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:47:48,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2020-09-25 10:47:48,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:47:48,966 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:47:48,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:47:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:47:48,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:47:48,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:47:48,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:47:50,267 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:47:51,511 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:47:52,615 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:47:53,730 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:47:54,807 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:47:55,887 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:47:56,967 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:47:58,061 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:47:59,146 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:00,219 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:01,302 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:02,380 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:03,466 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:04,574 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:05,647 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:06,719 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:07,791 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:08,866 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:09,943 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:11,022 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:12,102 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:13,176 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:14,275 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:15,481 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:16,587 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:17,671 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:18,746 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 10:48:19,828 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516