/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 06:13:57,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:13:57,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:13:57,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:13:57,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:13:57,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:13:57,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:13:57,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:13:57,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:13:57,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:13:57,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:13:57,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:13:57,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:13:57,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:13:57,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:13:57,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:13:57,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:13:57,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:13:57,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:13:57,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:13:57,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:13:57,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:13:57,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:13:57,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:13:57,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:13:57,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:13:57,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:13:57,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:13:57,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:13:57,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:13:57,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:13:57,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:13:57,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:13:57,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:13:57,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:13:57,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:13:57,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:13:57,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:13:57,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:13:57,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:13:57,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:13:57,859 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 06:13:57,902 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:13:57,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:13:57,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:13:57,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:13:57,905 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:13:57,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:13:57,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:13:57,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:13:57,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:13:57,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:13:57,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:13:57,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:13:57,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:13:57,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:13:57,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:13:57,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:13:57,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:13:57,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:13:57,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:13:57,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:13:57,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:13:57,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:13:57,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:13:57,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:13:57,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:13:57,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:13:57,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 06:13:57,911 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 06:13:58,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:13:58,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:13:58,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:13:58,423 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:13:58,424 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:13:58,425 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 06:13:58,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40e67f336/a4445f13e42f442da3bb75563d951c14/FLAG91aa4071e [2020-09-25 06:13:59,442 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:13:59,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 06:13:59,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40e67f336/a4445f13e42f442da3bb75563d951c14/FLAG91aa4071e [2020-09-25 06:13:59,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40e67f336/a4445f13e42f442da3bb75563d951c14 [2020-09-25 06:13:59,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:13:59,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:13:59,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:13:59,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:13:59,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:13:59,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:13:59" (1/1) ... [2020-09-25 06:13:59,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c04ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:59, skipping insertion in model container [2020-09-25 06:13:59,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:13:59" (1/1) ... [2020-09-25 06:13:59,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:14:00,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:14:01,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:14:01,767 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:14:02,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:14:02,211 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:14:02,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02 WrapperNode [2020-09-25 06:14:02,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:14:02,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:14:02,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:14:02,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:14:02,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02" (1/1) ... [2020-09-25 06:14:02,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02" (1/1) ... [2020-09-25 06:14:02,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02" (1/1) ... [2020-09-25 06:14:02,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02" (1/1) ... [2020-09-25 06:14:02,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02" (1/1) ... [2020-09-25 06:14:02,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02" (1/1) ... [2020-09-25 06:14:02,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02" (1/1) ... [2020-09-25 06:14:02,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:14:02,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:14:02,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:14:02,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:14:02,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02" (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 06:14:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:14:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:14:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-25 06:14:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-25 06:14:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-25 06:14:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-25 06:14:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-25 06:14:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 06:14:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 06:14:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 06:14:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 06:14:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 06:14:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 06:14:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 06:14:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 06:14:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-09-25 06:14:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-09-25 06:14:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 06:14:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 06:14:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 06:14:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-25 06:14:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 06:14:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-25 06:14:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-25 06:14:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-25 06:14:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-25 06:14:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-25 06:14:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-25 06:14:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-25 06:14:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-25 06:14:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-25 06:14:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-25 06:14:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-25 06:14:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-25 06:14:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-25 06:14:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-25 06:14:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-25 06:14:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-25 06:14:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:14:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_5 [2020-09-25 06:14:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_6 [2020-09-25 06:14:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_7 [2020-09-25 06:14:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 06:14:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 06:14:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 06:14:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 06:14:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 06:14:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-25 06:14:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-25 06:14:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-25 06:14:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-25 06:14:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-25 06:14:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 06:14:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 06:14:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 06:14:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 06:14:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-25 06:14:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-25 06:14:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-25 06:14:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 06:14:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-25 06:14:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-25 06:14:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 06:14:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 06:14:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-25 06:14:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-25 06:14:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 06:14:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-25 06:14:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 06:14:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 06:14:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 06:14:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 06:14:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 06:14:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:14:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 06:14:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 06:14:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 06:14:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 06:14:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 06:14:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-25 06:14:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-25 06:14:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-25 06:14:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-25 06:14:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-25 06:14:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-25 06:14:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 06:14:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-25 06:14:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 06:14:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 06:14:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 06:14:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 06:14:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 06:14:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 06:14:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 06:14:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 06:14:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:14:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 06:14:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:14:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 06:14:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 06:14:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 06:14:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:14:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 06:14:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-09-25 06:14:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-09-25 06:14:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 06:14:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 06:14:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 06:14:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 06:14:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-25 06:14:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-25 06:14:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-25 06:14:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-25 06:14:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-25 06:14:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-25 06:14:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-25 06:14:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_5 [2020-09-25 06:14:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-25 06:14:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_6 [2020-09-25 06:14:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_7 [2020-09-25 06:14:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-25 06:14:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-25 06:14:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 06:14:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 06:14:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 06:14:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 06:14:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 06:14:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-25 06:14:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-25 06:14:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-25 06:14:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-25 06:14:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-25 06:14:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-25 06:14:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-25 06:14:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-25 06:14:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-25 06:14:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-25 06:14:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:14:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:14:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:14:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:14:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:14:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:14:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-25 06:14:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-25 06:14:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-25 06:14:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 06:14:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 06:14:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:14:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 06:14:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 06:14:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 06:14:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 06:14:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 06:14:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-25 06:14:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-25 06:14:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-25 06:14:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-25 06:14:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-25 06:14:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:14:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:14:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:14:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:14:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 06:14:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 06:14:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 06:14:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 06:14:03,714 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 06:14:03,719 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-25 06:14:05,560 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:14:05,561 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 06:14:05,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:14:05 BoogieIcfgContainer [2020-09-25 06:14:05,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:14:05,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:14:05,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:14:05,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:14:05,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:13:59" (1/3) ... [2020-09-25 06:14:05,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59326031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:14:05, skipping insertion in model container [2020-09-25 06:14:05,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:14:02" (2/3) ... [2020-09-25 06:14:05,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59326031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:14:05, skipping insertion in model container [2020-09-25 06:14:05,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:14:05" (3/3) ... [2020-09-25 06:14:05,582 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 06:14:05,594 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:14:05,605 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:14:05,628 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:14:05,663 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:14:05,664 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:14:05,664 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:14:05,664 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:14:05,664 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:14:05,664 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:14:05,664 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:14:05,665 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:14:05,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-09-25 06:14:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-09-25 06:14:05,730 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:14:05,731 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 06:14:05,732 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:14:05,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:14:05,740 INFO L82 PathProgramCache]: Analyzing trace with hash 462327911, now seen corresponding path program 1 times [2020-09-25 06:14:05,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:14:05,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079985711] [2020-09-25 06:14:05,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:14:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:14:06,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:14:08,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:14:09,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:14:09,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 06:14:09,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:14:09,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2976 [2020-09-25 06:14:09,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:14:09,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:14:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:14:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-09-25 06:14:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 06:14:09,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:14:11,361 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 514 [2020-09-25 06:14:11,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:14:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:14:11,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:14:12,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:14:12,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 06:14:12,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:14:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1160 [2020-09-25 06:14:12,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:14:12,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:14:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:14:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:14:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-09-25 06:14:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:14:13,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-25 06:14:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:14:13,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:14:13,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:14:13,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:14:13,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:14:13,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 06:14:13,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:14:13,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:14:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:14:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:14:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:14:13,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:14:13,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-09-25 06:14:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:14:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:14:13,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:14:13,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:14:13,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:14:13,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 06:14:13,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:14:13,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:14:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:14:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:14:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 06:14:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:14:13,412 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 06:14:13,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079985711] [2020-09-25 06:14:13,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:14:13,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:14:13,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773139222] [2020-09-25 06:14:13,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:14:13,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:14:13,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:14:13,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:14:13,468 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 5 states. [2020-09-25 06:14:17,401 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:29,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:14:29,702 INFO L93 Difference]: Finished difference Result 2867 states and 3480 transitions. [2020-09-25 06:14:29,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:14:29,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 298 [2020-09-25 06:14:29,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:14:29,714 INFO L225 Difference]: With dead ends: 2867 [2020-09-25 06:14:29,715 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:14:29,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:14:29,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:14:29,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:14:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:14:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:14:29,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2020-09-25 06:14:29,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:14:29,772 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:14:29,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:14:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:14:29,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:14:29,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:14:29,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:14:30,971 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:32,179 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:33,251 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:34,347 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:35,420 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:36,494 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:37,577 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:38,651 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:39,723 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:40,795 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:41,879 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:42,957 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:44,032 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:45,134 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:46,206 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:47,282 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:48,355 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:49,430 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:50,512 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:51,591 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:52,663 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:53,733 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:54,819 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:56,024 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:57,108 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:58,180 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:14:59,252 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 06:15:00,328 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516