/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=0.2 --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 11:53:23,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:53:23,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:53:23,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:53:23,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:53:23,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:53:23,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:53:23,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:53:23,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:53:23,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:53:23,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:53:23,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:53:23,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:53:23,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:53:23,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:53:23,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:53:23,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:53:23,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:53:23,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:53:23,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:53:23,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:53:23,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:53:23,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:53:23,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:53:23,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:53:23,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:53:23,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:53:23,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:53:23,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:53:23,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:53:23,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:53:23,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:53:23,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:53:23,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:53:23,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:53:23,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:53:23,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:53:23,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:53:23,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:53:23,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:53:23,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:53:23,544 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 11:53:23,586 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:53:23,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:53:23,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:53:23,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:53:23,589 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:53:23,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:53:23,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:53:23,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:53:23,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:53:23,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:53:23,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:53:23,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:53:23,592 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:53:23,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:53:23,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:53:23,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:53:23,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:53:23,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:53:23,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:53:23,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:53:23,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:53:23,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:53:23,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:53:23,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:53:23,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:53:23,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:53:23,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 11:53:23,595 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 11:53:24,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:53:24,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:53:24,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:53:24,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:53:24,076 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:53:24,077 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 11:53:24,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8437ed84/4afa72f899ea49c8ac34e0856fa374c6/FLAG1127f2b3f [2020-09-25 11:53:24,983 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:53:24,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 11:53:25,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8437ed84/4afa72f899ea49c8ac34e0856fa374c6/FLAG1127f2b3f [2020-09-25 11:53:25,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8437ed84/4afa72f899ea49c8ac34e0856fa374c6 [2020-09-25 11:53:25,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:53:25,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:53:25,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:53:25,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:53:25,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:53:25,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:53:25" (1/1) ... [2020-09-25 11:53:25,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248847c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:25, skipping insertion in model container [2020-09-25 11:53:25,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:53:25" (1/1) ... [2020-09-25 11:53:25,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:53:25,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:53:27,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:53:27,162 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:53:27,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:53:27,443 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:53:27,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27 WrapperNode [2020-09-25 11:53:27,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:53:27,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:53:27,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:53:27,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:53:27,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (1/1) ... [2020-09-25 11:53:27,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:53:27,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:53:27,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:53:27,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:53:27,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (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 11:53:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:53:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:53:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-25 11:53:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-25 11:53:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-25 11:53:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-25 11:53:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-25 11:53:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 11:53:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 11:53:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 11:53:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 11:53:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 11:53:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 11:53:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 11:53:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 11:53:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 11:53:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 11:53:27,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 11:53:27,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 11:53:27,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 11:53:27,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 11:53:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-25 11:53:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 11:53:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-25 11:53:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-25 11:53:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-25 11:53:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-25 11:53:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-25 11:53:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-25 11:53:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-25 11:53:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-25 11:53:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-25 11:53:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-25 11:53:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-25 11:53:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-25 11:53:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-25 11:53:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-25 11:53:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-25 11:53:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-25 11:53:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:53:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 11:53:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 11:53:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 11:53:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 11:53:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 11:53:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2020-09-25 11:53:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13 [2020-09-25 11:53:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14 [2020-09-25 11:53:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 11:53:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 11:53:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 11:53:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 11:53:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 11:53:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 11:53:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 11:53:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 11:53:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 11:53:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 11:53:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 11:53:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 11:53:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 11:53:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 11:53:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 11:53:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 11:53:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 11:53:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 11:53:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 11:53:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 11:53:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-25 11:53:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-25 11:53:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-25 11:53:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 11:53:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-25 11:53:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-25 11:53:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 11:53:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-25 11:53:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-25 11:53:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 11:53:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-25 11:53:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 11:53:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 11:53:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 11:53:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 11:53:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:53:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 11:53:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 11:53:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 11:53:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 11:53:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-25 11:53:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-25 11:53:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-25 11:53:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-25 11:53:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 11:53:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-25 11:53:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-25 11:53:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 11:53:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-25 11:53:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 11:53:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 11:53:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 11:53:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 11:53:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 11:53:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 11:53:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 11:53:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 11:53:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 11:53:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 11:53:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 11:53:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 11:53:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 11:53:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 11:53:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:53:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 11:53:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:53:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 11:53:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 11:53:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 11:53:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:53:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 11:53:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 11:53:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 11:53:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 11:53:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 11:53:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 11:53:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-25 11:53:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-25 11:53:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-25 11:53:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-25 11:53:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-25 11:53:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-25 11:53:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-25 11:53:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2020-09-25 11:53:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-25 11:53:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_13 [2020-09-25 11:53:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_14 [2020-09-25 11:53:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-25 11:53:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-25 11:53:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 11:53:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 11:53:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 11:53:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 11:53:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 11:53:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-25 11:53:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-25 11:53:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-25 11:53:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-25 11:53:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-25 11:53:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-25 11:53:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-25 11:53:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-25 11:53:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-25 11:53:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-25 11:53:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:53:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:53:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:53:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:53:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:53:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:53:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-25 11:53:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-25 11:53:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-25 11:53:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 11:53:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 11:53:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:53:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 11:53:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 11:53:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 11:53:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 11:53:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 11:53:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 11:53:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 11:53:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 11:53:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 11:53:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 11:53:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 11:53:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 11:53:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 11:53:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 11:53:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:53:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:53:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:53:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:53:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 11:53:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 11:53:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 11:53:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 11:53:28,776 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 11:53:30,945 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:53:30,945 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:53:30,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:53:30 BoogieIcfgContainer [2020-09-25 11:53:30,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:53:30,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:53:30,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:53:30,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:53:30,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:53:25" (1/3) ... [2020-09-25 11:53:30,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72790ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:53:30, skipping insertion in model container [2020-09-25 11:53:30,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:27" (2/3) ... [2020-09-25 11:53:30,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72790ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:53:30, skipping insertion in model container [2020-09-25 11:53:30,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:53:30" (3/3) ... [2020-09-25 11:53:30,972 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 11:53:30,983 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:53:30,996 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:53:31,019 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:53:31,051 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:53:31,051 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:53:31,051 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:53:31,052 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:53:31,052 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:53:31,052 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:53:31,052 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:53:31,052 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:53:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states. [2020-09-25 11:53:31,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-09-25 11:53:31,126 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:53:31,127 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 11:53:31,128 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:53:31,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:53:31,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1326592749, now seen corresponding path program 1 times [2020-09-25 11:53:31,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:53:31,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42069363] [2020-09-25 11:53:31,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:53:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:32,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:33,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:36,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:36,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-09-25 11:53:36,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 11:53:36,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:36,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:53:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-09-25 11:53:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 11:53:36,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 11:53:39,212 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 526 [2020-09-25 11:53:39,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:39,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:39,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:39,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 11:53:39,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:39,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-09-25 11:53:39,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:39,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:39,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:39,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:40,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-25 11:53:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:40,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:40,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:40,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:53:40,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:40,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 11:53:40,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:40,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:53:40,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:53:40,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:40,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:40,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:40,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:53:40,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:40,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 11:53:40,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:40,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:53:40,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:53:40,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-09-25 11:53:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:40,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:40,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:40,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:53:40,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:40,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 11:53:40,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:40,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:40,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:40,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 11:53:40,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:40,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-09-25 11:53:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:40,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:40,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:40,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:40,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 11:53:40,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:40,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:53:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:40,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:53:40,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:40,683 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 11:53:40,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42069363] [2020-09-25 11:53:40,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:53:40,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:53:40,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8734934] [2020-09-25 11:53:40,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:53:40,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:53:40,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:53:40,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:53:40,728 INFO L87 Difference]: Start difference. First operand 1502 states. Second operand 9 states. [2020-09-25 11:53:44,670 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 11:53:50,208 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 536 DAG size of output: 531 [2020-09-25 11:53:52,316 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 531 [2020-09-25 11:53:54,416 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 534 [2020-09-25 11:53:56,474 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 531 [2020-09-25 11:54:14,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:54:14,665 INFO L93 Difference]: Finished difference Result 2884 states and 3497 transitions. [2020-09-25 11:54:14,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 11:54:14,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 316 [2020-09-25 11:54:14,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:54:14,676 INFO L225 Difference]: With dead ends: 2884 [2020-09-25 11:54:14,677 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 11:54:14,695 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 11:54:14,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 11:54:14,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 11:54:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 11:54:14,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 11:54:14,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2020-09-25 11:54:14,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:54:14,731 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 11:54:14,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:54:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 11:54:14,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 11:54:14,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:54:14,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 11:54:16,036 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 11:54:17,238 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 11:54:18,365 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 11:54:19,517 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 11:54:20,641 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 11:54:21,802 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 11:54:22,928 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 528