/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=0.6 --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 07:22:59,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:22:59,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:22:59,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:22:59,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:22:59,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:22:59,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:22:59,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:22:59,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:22:59,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:22:59,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:22:59,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:22:59,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:22:59,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:22:59,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:22:59,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:22:59,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:22:59,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:22:59,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:22:59,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:22:59,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:22:59,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:22:59,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:22:59,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:22:59,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:22:59,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:22:59,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:22:59,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:22:59,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:22:59,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:22:59,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:22:59,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:22:59,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:22:59,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:22:59,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:22:59,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:22:59,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:22:59,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:22:59,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:22:59,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:22:59,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:22:59,234 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 07:22:59,267 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:22:59,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:22:59,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:22:59,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:22:59,269 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:22:59,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:22:59,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:22:59,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:22:59,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:22:59,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:22:59,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:22:59,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:22:59,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:22:59,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:22:59,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:22:59,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:22:59,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:22:59,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:22:59,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:22:59,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:22:59,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:22:59,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:22:59,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:22:59,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:22:59,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:22:59,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:22:59,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 07:22:59,277 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 07:22:59,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:22:59,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:22:59,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:22:59,878 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:22:59,879 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:22:59,880 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 07:22:59,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80c42d17c/7c5777fc056b47bb9c9371b90671b8d8/FLAG411db45d7 [2020-09-25 07:23:00,863 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:23:00,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 07:23:00,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80c42d17c/7c5777fc056b47bb9c9371b90671b8d8/FLAG411db45d7 [2020-09-25 07:23:01,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80c42d17c/7c5777fc056b47bb9c9371b90671b8d8 [2020-09-25 07:23:01,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:23:01,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:23:01,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:23:01,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:23:01,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:23:01,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:23:01" (1/1) ... [2020-09-25 07:23:01,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bca807c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:01, skipping insertion in model container [2020-09-25 07:23:01,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:23:01" (1/1) ... [2020-09-25 07:23:01,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:23:01,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:23:02,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:23:03,010 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:23:03,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:23:03,418 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:23:03,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03 WrapperNode [2020-09-25 07:23:03,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:23:03,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:23:03,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:23:03,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:23:03,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03" (1/1) ... [2020-09-25 07:23:03,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03" (1/1) ... [2020-09-25 07:23:03,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03" (1/1) ... [2020-09-25 07:23:03,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03" (1/1) ... [2020-09-25 07:23:03,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03" (1/1) ... [2020-09-25 07:23:03,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03" (1/1) ... [2020-09-25 07:23:03,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03" (1/1) ... [2020-09-25 07:23:03,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:23:03,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:23:03,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:23:03,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:23:03,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03" (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 07:23:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:23:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:23:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-25 07:23:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-25 07:23:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-25 07:23:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-25 07:23:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-25 07:23:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 07:23:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 07:23:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 07:23:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 07:23:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 07:23:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 07:23:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 07:23:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 07:23:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-09-25 07:23:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-09-25 07:23:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 07:23:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 07:23:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 07:23:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-25 07:23:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 07:23:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-25 07:23:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-25 07:23:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-25 07:23:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-25 07:23:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-25 07:23:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-25 07:23:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-25 07:23:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-25 07:23:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-25 07:23:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-25 07:23:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-25 07:23:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-25 07:23:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-25 07:23:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-25 07:23:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-25 07:23:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-25 07:23:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:23:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_5 [2020-09-25 07:23:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_6 [2020-09-25 07:23:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_7 [2020-09-25 07:23:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 07:23:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 07:23:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 07:23:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 07:23:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 07:23:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-25 07:23:03,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-25 07:23:03,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-25 07:23:03,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-25 07:23:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-25 07:23:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 07:23:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 07:23:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 07:23:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 07:23:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-25 07:23:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-25 07:23:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-25 07:23:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 07:23:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-25 07:23:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-25 07:23:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 07:23:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 07:23:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-25 07:23:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-25 07:23:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 07:23:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-25 07:23:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 07:23:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 07:23:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 07:23:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 07:23:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 07:23:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:23:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 07:23:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 07:23:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 07:23:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 07:23:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 07:23:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-25 07:23:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-25 07:23:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-25 07:23:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-25 07:23:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-25 07:23:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-25 07:23:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 07:23:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-25 07:23:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 07:23:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 07:23:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 07:23:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 07:23:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 07:23:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 07:23:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 07:23:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 07:23:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:23:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 07:23:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:23:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 07:23:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 07:23:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 07:23:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:23:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 07:23:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-09-25 07:23:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-09-25 07:23:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 07:23:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 07:23:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 07:23:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 07:23:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-25 07:23:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-25 07:23:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-25 07:23:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-25 07:23:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-25 07:23:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-25 07:23:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-25 07:23:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_5 [2020-09-25 07:23:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-25 07:23:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_6 [2020-09-25 07:23:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_7 [2020-09-25 07:23:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-25 07:23:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-25 07:23:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 07:23:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 07:23:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 07:23:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 07:23:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 07:23:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-25 07:23:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-25 07:23:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-25 07:23:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-25 07:23:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-25 07:23:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-25 07:23:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-25 07:23:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-25 07:23:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-25 07:23:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-25 07:23:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:23:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:23:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:23:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:23:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:23:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:23:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-25 07:23:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-25 07:23:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-25 07:23:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 07:23:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 07:23:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:23:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 07:23:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 07:23:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 07:23:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 07:23:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 07:23:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-25 07:23:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-25 07:23:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-25 07:23:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-25 07:23:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-25 07:23:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:23:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:23:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:23:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:23:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 07:23:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 07:23:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 07:23:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 07:23:04,843 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 07:23:04,850 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-25 07:23:06,795 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:23:06,796 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 07:23:06,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:23:06 BoogieIcfgContainer [2020-09-25 07:23:06,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:23:06,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:23:06,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:23:06,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:23:06,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:23:01" (1/3) ... [2020-09-25 07:23:06,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c97abb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:23:06, skipping insertion in model container [2020-09-25 07:23:06,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:23:03" (2/3) ... [2020-09-25 07:23:06,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c97abb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:23:06, skipping insertion in model container [2020-09-25 07:23:06,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:23:06" (3/3) ... [2020-09-25 07:23:06,827 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 07:23:06,839 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:23:06,855 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:23:06,878 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:23:06,913 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:23:06,914 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:23:06,914 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:23:06,914 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:23:06,914 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:23:06,914 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:23:06,914 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:23:06,915 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:23:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-09-25 07:23:06,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-09-25 07:23:06,986 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:23:06,987 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 07:23:06,988 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:23:06,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:23:06,995 INFO L82 PathProgramCache]: Analyzing trace with hash 462327911, now seen corresponding path program 1 times [2020-09-25 07:23:07,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:23:07,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922183054] [2020-09-25 07:23:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:23:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:23:07,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:23:09,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:23:10,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:23:10,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 07:23:10,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:23:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3035 [2020-09-25 07:23:10,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:23:10,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:23:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:23:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-09-25 07:23:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 07:23:10,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 07:23:12,958 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 514 [2020-09-25 07:23:12,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:23:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:23:13,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:23:14,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:23:14,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 07:23:14,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:23:14,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1173 [2020-09-25 07:23:14,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:23:14,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:23:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:23:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:23:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-09-25 07:23:14,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:23:14,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-25 07:23:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:23:14,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:23:14,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:23:14,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:23:14,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:23:14,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 07:23:14,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:23:14,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:23:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:23:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:23:14,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:23:14,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:23:14,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-09-25 07:23:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:23:14,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:23:14,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:23:14,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:23:14,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:23:14,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 07:23:14,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:23:14,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:23:14,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:23:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:23:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:23:14,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:23:14,887 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 07:23:14,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922183054] [2020-09-25 07:23:14,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:23:14,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:23:14,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348677764] [2020-09-25 07:23:14,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:23:14,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:23:14,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:23:14,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:23:14,921 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 5 states. [2020-09-25 07:23:18,486 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:31,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:23:31,685 INFO L93 Difference]: Finished difference Result 2867 states and 3480 transitions. [2020-09-25 07:23:31,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:23:31,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 298 [2020-09-25 07:23:31,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:23:31,697 INFO L225 Difference]: With dead ends: 2867 [2020-09-25 07:23:31,697 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:23:31,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:23:31,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:23:31,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:23:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:23:31,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:23:31,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2020-09-25 07:23:31,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:23:31,750 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:23:31,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:23:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:23:31,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:23:31,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:23:31,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:23:32,969 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:34,181 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:35,276 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:36,389 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:37,466 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:38,542 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:39,632 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:40,709 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:41,781 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:42,856 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:43,928 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:45,014 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:46,098 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:47,211 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:48,285 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:49,365 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:50,440 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:51,512 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:52,588 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:53,663 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:54,753 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:55,833 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:56,927 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:58,134 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:23:59,220 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:24:00,315 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:24:01,386 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-25 07:24:02,457 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 516