/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:46:14,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:46:14,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:46:14,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:46:14,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:46:14,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:46:14,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:46:14,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:46:14,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:46:14,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:46:14,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:46:14,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:46:14,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:46:14,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:46:14,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:46:14,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:46:14,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:46:14,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:46:14,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:46:14,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:46:14,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:46:14,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:46:14,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:46:14,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:46:14,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:46:14,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:46:14,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:46:14,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:46:14,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:46:14,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:46:14,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:46:14,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:46:14,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:46:14,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:46:14,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:46:14,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:46:14,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:46:14,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:46:14,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:46:14,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:46:14,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:46:14,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 10:46:14,787 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:46:14,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:46:14,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:46:14,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:46:14,791 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:46:14,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:46:14,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:46:14,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:46:14,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:46:14,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:46:14,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:46:14,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:46:14,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:46:14,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:46:14,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:46:14,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:46:14,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:46:14,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:46:14,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:46:14,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:46:14,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:46:14,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:46:14,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:46:14,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:46:14,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:46:14,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:46:14,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 10:46:14,798 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 10:46:15,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:46:15,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:46:15,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:46:15,368 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:46:15,370 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:46:15,371 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 10:46:15,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cda4a9fa0/250b8334570946e89480d7190c63c296/FLAGf51cb60bb [2020-09-25 10:46:16,437 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:46:16,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 10:46:16,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cda4a9fa0/250b8334570946e89480d7190c63c296/FLAGf51cb60bb [2020-09-25 10:46:16,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cda4a9fa0/250b8334570946e89480d7190c63c296 [2020-09-25 10:46:16,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:46:16,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:46:16,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:46:16,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:46:16,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:46:16,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:46:16" (1/1) ... [2020-09-25 10:46:16,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbdf966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16, skipping insertion in model container [2020-09-25 10:46:16,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:46:16" (1/1) ... [2020-09-25 10:46:16,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:46:17,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:46:18,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:46:18,675 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:46:18,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:46:19,038 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:46:19,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19 WrapperNode [2020-09-25 10:46:19,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:46:19,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:46:19,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:46:19,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:46:19,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19" (1/1) ... [2020-09-25 10:46:19,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19" (1/1) ... [2020-09-25 10:46:19,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19" (1/1) ... [2020-09-25 10:46:19,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19" (1/1) ... [2020-09-25 10:46:19,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19" (1/1) ... [2020-09-25 10:46:19,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19" (1/1) ... [2020-09-25 10:46:19,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19" (1/1) ... [2020-09-25 10:46:19,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:46:19,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:46:19,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:46:19,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:46:19,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:46:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:46:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:46:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-25 10:46:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-25 10:46:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-25 10:46:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-25 10:46:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-25 10:46:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 10:46:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 10:46:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 10:46:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 10:46:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 10:46:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 10:46:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 10:46:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 10:46:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 10:46:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 10:46:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 10:46:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 10:46:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 10:46:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 10:46:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-25 10:46:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 10:46:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-25 10:46:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-25 10:46:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-25 10:46:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-25 10:46:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-25 10:46:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-25 10:46:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-25 10:46:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-25 10:46:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-25 10:46:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-25 10:46:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-25 10:46:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-25 10:46:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-25 10:46:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-25 10:46:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-25 10:46:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-25 10:46:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:46:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 10:46:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 10:46:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 10:46:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 10:46:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 10:46:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2020-09-25 10:46:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13 [2020-09-25 10:46:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14 [2020-09-25 10:46:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 10:46:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 10:46:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 10:46:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 10:46:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 10:46:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 10:46:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 10:46:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 10:46:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 10:46:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 10:46:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 10:46:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 10:46:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 10:46:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 10:46:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 10:46:19,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 10:46:19,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 10:46:19,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 10:46:19,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 10:46:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 10:46:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-25 10:46:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-25 10:46:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-25 10:46:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 10:46:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-25 10:46:19,418 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-25 10:46:19,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 10:46:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-25 10:46:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-25 10:46:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 10:46:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-25 10:46:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 10:46:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 10:46:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 10:46:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 10:46:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:46:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 10:46:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 10:46:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 10:46:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 10:46:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-25 10:46:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-25 10:46:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-25 10:46:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-25 10:46:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 10:46:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-25 10:46:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-25 10:46:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 10:46:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-25 10:46:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 10:46:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 10:46:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 10:46:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 10:46:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 10:46:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 10:46:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 10:46:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 10:46:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 10:46:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 10:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 10:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 10:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 10:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 10:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:46:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 10:46:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:46:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 10:46:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 10:46:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 10:46:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:46:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 10:46:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 10:46:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 10:46:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 10:46:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 10:46:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 10:46:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-25 10:46:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-25 10:46:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-25 10:46:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-25 10:46:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-25 10:46:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-25 10:46:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-25 10:46:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2020-09-25 10:46:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-25 10:46:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_13 [2020-09-25 10:46:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_14 [2020-09-25 10:46:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-25 10:46:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-25 10:46:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 10:46:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 10:46:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 10:46:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 10:46:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 10:46:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-25 10:46:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-25 10:46:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-25 10:46:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-25 10:46:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-25 10:46:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-25 10:46:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-25 10:46:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-25 10:46:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-25 10:46:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-25 10:46:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:46:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:46:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:46:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:46:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:46:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:46:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-25 10:46:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-25 10:46:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-25 10:46:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 10:46:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 10:46:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:46:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 10:46:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 10:46:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 10:46:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 10:46:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 10:46:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 10:46:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 10:46:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 10:46:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 10:46:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 10:46:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 10:46:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 10:46:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 10:46:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 10:46:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:46:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:46:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:46:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:46:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 10:46:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 10:46:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 10:46:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 10:46:20,312 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 10:46:22,496 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:46:22,496 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:46:22,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:22 BoogieIcfgContainer [2020-09-25 10:46:22,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:46:22,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:46:22,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:46:22,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:46:22,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:46:16" (1/3) ... [2020-09-25 10:46:22,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f176d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:22, skipping insertion in model container [2020-09-25 10:46:22,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:19" (2/3) ... [2020-09-25 10:46:22,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f176d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:22, skipping insertion in model container [2020-09-25 10:46:22,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:22" (3/3) ... [2020-09-25 10:46:22,521 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 10:46:22,534 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:46:22,547 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:46:22,573 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:46:22,614 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:46:22,614 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:46:22,615 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:46:22,615 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:46:22,615 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:46:22,615 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:46:22,615 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:46:22,615 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:46:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states. [2020-09-25 10:46:22,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-09-25 10:46:22,686 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:22,688 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:46:22,689 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:22,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:22,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1326592749, now seen corresponding path program 1 times [2020-09-25 10:46:22,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:22,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013989935] [2020-09-25 10:46:22,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:23,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:25,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:28,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:28,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-09-25 10:46:28,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-25 10:46:28,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:28,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:46:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-09-25 10:46:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 10:46:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:46:30,882 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 526 [2020-09-25 10:46:30,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:30,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:31,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:31,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 10:46:31,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 604 [2020-09-25 10:46:31,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:31,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:31,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:31,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-25 10:46:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:31,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:31,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:31,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 10:46:31,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:31,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 10:46:31,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:31,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:46:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:31,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:31,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:31,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:31,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:46:31,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:31,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 10:46:31,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:31,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:46:31,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:32,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-09-25 10:46:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:32,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:32,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:32,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:46:32,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:32,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 10:46:32,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:32,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:32,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:32,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:32,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 10:46:32,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:32,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-09-25 10:46:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:32,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:32,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:32,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:32,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:32,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 10:46:32,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:32,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:32,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:46:32,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:32,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:32,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:32,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:46:32,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013989935] [2020-09-25 10:46:32,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:32,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 10:46:32,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966013229] [2020-09-25 10:46:32,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 10:46:32,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:32,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 10:46:32,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 10:46:32,479 INFO L87 Difference]: Start difference. First operand 1502 states. Second operand 9 states. [2020-09-25 10:46:36,299 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 10:46:41,980 WARN L193 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 533 DAG size of output: 531 [2020-09-25 10:46:44,004 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 531 [2020-09-25 10:46:46,059 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 534 [2020-09-25 10:46:48,073 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 531 [2020-09-25 10:47:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:47:06,365 INFO L93 Difference]: Finished difference Result 2884 states and 3497 transitions. [2020-09-25 10:47:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 10:47:06,367 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 316 [2020-09-25 10:47:06,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:47:06,376 INFO L225 Difference]: With dead ends: 2884 [2020-09-25 10:47:06,377 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:47:06,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-09-25 10:47:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:47:06,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:47:06,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:47:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:47:06,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2020-09-25 10:47:06,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:47:06,431 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:47:06,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 10:47:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:47:06,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:47:06,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:47:06,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:47:07,651 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 10:47:08,853 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 10:47:09,982 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 10:47:11,130 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 10:47:12,256 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 10:47:13,422 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 528