/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 SequenceOfStatements --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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:44:04,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:44:04,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:44:04,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:44:04,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:44:04,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:44:04,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:44:04,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:44:04,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:44:04,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:44:04,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:44:04,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:44:04,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:44:04,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:44:04,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:44:04,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:44:04,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:44:04,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:44:04,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:44:04,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:44:04,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:44:04,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:44:04,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:44:04,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:44:04,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:44:04,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:44:04,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:44:04,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:44:04,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:44:04,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:44:04,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:44:04,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:44:04,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:44:04,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:44:04,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:44:04,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:44:04,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:44:04,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:44:04,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:44:04,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:44:04,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:44:04,744 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 [2020-10-13 17:44:04,767 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:44:04,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:44:04,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:44:04,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:44:04,769 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:44:04,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:44:04,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:44:04,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:44:04,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:44:04,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:44:04,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:44:04,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:44:04,770 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:44:04,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:44:04,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:44:04,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:44:04,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:44:04,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:44:04,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:44:04,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:44:04,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:44:04,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:44:04,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:44:04,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:44:04,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:44:04,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:44:04,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:44:04,773 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 -> SequenceOfStatements 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:44:05,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:44:05,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:44:05,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:44:05,120 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:44:05,121 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:44:05,121 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2020-10-13 17:44:05,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b280a676/974033de077e4ad49a821b485e246c45/FLAG44c8859c9 [2020-10-13 17:44:06,074 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:44:06,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2020-10-13 17:44:06,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b280a676/974033de077e4ad49a821b485e246c45/FLAG44c8859c9 [2020-10-13 17:44:06,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b280a676/974033de077e4ad49a821b485e246c45 [2020-10-13 17:44:06,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:44:06,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:44:06,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:44:06,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:44:06,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:44:06,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:44:06" (1/1) ... [2020-10-13 17:44:06,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de3d5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06, skipping insertion in model container [2020-10-13 17:44:06,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:44:06" (1/1) ... [2020-10-13 17:44:06,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:44:06,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:44:08,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:44:08,832 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:44:09,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:44:09,681 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:44:09,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09 WrapperNode [2020-10-13 17:44:09,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:44:09,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:44:09,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:44:09,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:44:09,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09" (1/1) ... [2020-10-13 17:44:09,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09" (1/1) ... [2020-10-13 17:44:09,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09" (1/1) ... [2020-10-13 17:44:09,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09" (1/1) ... [2020-10-13 17:44:10,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09" (1/1) ... [2020-10-13 17:44:10,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09" (1/1) ... [2020-10-13 17:44:10,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09" (1/1) ... [2020-10-13 17:44:10,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:44:10,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:44:10,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:44:10,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:44:10,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09" (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 [2020-10-13 17:44:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:44:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:44:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2020-10-13 17:44:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2020-10-13 17:44:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2020-10-13 17:44:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 17:44:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-13 17:44:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 17:44:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-13 17:44:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-13 17:44:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-13 17:44:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-13 17:44:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-13 17:44:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 17:44:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 17:44:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 17:44:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-10-13 17:44:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2020-10-13 17:44:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-13 17:44:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-10-13 17:44:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2020-10-13 17:44:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-10-13 17:44:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-13 17:44:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-10-13 17:44:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-10-13 17:44:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-13 17:44:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-13 17:44:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2020-10-13 17:44:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2020-10-13 17:44:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2020-10-13 17:44:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2020-10-13 17:44:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2020-10-13 17:44:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:44:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:44:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-13 17:44:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-13 17:44:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-13 17:44:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-13 17:44:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent [2020-10-13 17:44:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_coherent [2020-10-13 17:44:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-13 17:44:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-13 17:44:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-13 17:44:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-13 17:44:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-13 17:44:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-13 17:44:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-13 17:44:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-13 17:44:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-13 17:44:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-13 17:44:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-13 17:44:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-13 17:44:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-13 17:44:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-13 17:44:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-13 17:44:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-13 17:44:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2020-10-13 17:44:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-10-13 17:44:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2020-10-13 17:44:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2020-10-13 17:44:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_tx_work_q [2020-10-13 17:44:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_int_work_q [2020-10-13 17:44:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2020-10-13 17:44:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpurelease [2020-10-13 17:44:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2020-10-13 17:44:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_enable_intr [2020-10-13 17:44:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2020-10-13 17:44:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2020-10-13 17:44:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init_dma [2020-10-13 17:44:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_dma_complete [2020-10-13 17:44:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2020-10-13 17:44:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_dma_complete [2020-10-13 17:44:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_dma [2020-10-13 17:44:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_dma [2020-10-13 17:44:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2020-10-13 17:44:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_op_raise [2020-10-13 17:44:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_op_lower [2020-10-13 17:44:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_config [2020-10-13 17:44:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_config [2020-10-13 17:44:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_te1_alarm [2020-10-13 17:44:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_ctlchg [2020-10-13 17:44:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_log_rx_error [2020-10-13 17:44:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_recover_rx_error [2020-10-13 17:44:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_rx [2020-10-13 17:44:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2020-10-13 17:44:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_rx [2020-10-13 17:44:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr [2020-10-13 17:44:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure check_started_ok [2020-10-13 17:44:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure set_conf_from_info [2020-10-13 17:44:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure gather_conf_info [2020-10-13 17:44:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_set_iface [2020-10-13 17:44:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_get_iface [2020-10-13 17:44:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_ioctl [2020-10-13 17:44:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_openport [2020-10-13 17:44:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_closeport [2020-10-13 17:44:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2020-10-13 17:44:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2020-10-13 17:44:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_attach [2020-10-13 17:44:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2020-10-13 17:44:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_start_xmit [2020-10-13 17:44:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init_card [2020-10-13 17:44:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_add_one [2020-10-13 17:44:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2020-10-13 17:44:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init [2020-10-13 17:44:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cleanup_module [2020-10-13 17:44:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:44:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-13 17:44:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-10-13 17:44:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-10-13 17:44:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-10-13 17:44:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-10-13 17:44:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-10-13 17:44:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:44:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2020-10-13 17:44:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-10-13 17:44:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2020-10-13 17:44:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 17:44:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:44:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:44:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-13 17:44:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-13 17:44:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 17:44:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-13 17:44:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-13 17:44:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-13 17:44:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 17:44:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:44:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_hdlcdev [2020-10-13 17:44:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-13 17:44:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-13 17:44:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-13 17:44:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-13 17:44:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-13 17:44:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:44:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 17:44:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-13 17:44:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-13 17:44:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_close [2020-10-13 17:44:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2020-10-13 17:44:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_open [2020-10-13 17:44:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-13 17:44:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-13 17:44:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-13 17:44:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:44:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-10-13 17:44:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2020-10-13 17:44:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-13 17:44:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-13 17:44:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-13 17:44:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-13 17:44:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-13 17:44:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2020-10-13 17:44:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2020-10-13 17:44:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-13 17:44:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-13 17:44:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-13 17:44:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-13 17:44:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2020-10-13 17:44:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-13 17:44:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:44:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-13 17:44:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-13 17:44:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2020-10-13 17:44:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 17:44:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_device [2020-10-13 17:44:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-13 17:44:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 17:44:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:44:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 17:44:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 17:44:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:44:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 17:44:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-13 17:44:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 17:44:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 17:44:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-13 17:44:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:44:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:44:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-13 17:44:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 17:44:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-13 17:44:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2020-10-13 17:44:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 17:44:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-13 17:44:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:44:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-13 17:44:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-13 17:44:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 17:44:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 17:44:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 17:44:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:44:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 17:44:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 17:44:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-10-13 17:44:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2020-10-13 17:44:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-13 17:44:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-10-13 17:44:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2020-10-13 17:44:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-13 17:44:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-13 17:44:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-13 17:44:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 17:44:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-13 17:44:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-10-13 17:44:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 17:44:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-10-13 17:44:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-13 17:44:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-13 17:44:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2020-10-13 17:44:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2020-10-13 17:44:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2020-10-13 17:44:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:44:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2020-10-13 17:44:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-10-13 17:44:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2020-10-13 17:44:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-10-13 17:44:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-10-13 17:44:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-10-13 17:44:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-10-13 17:44:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-10-13 17:44:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:44:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 17:44:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2020-10-13 17:44:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2020-10-13 17:44:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2020-10-13 17:44:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2020-10-13 17:44:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-13 17:44:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-13 17:44:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-13 17:44:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-13 17:44:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-13 17:44:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-13 17:44:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-13 17:44:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:44:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:44:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:44:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:44:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:44:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-13 17:44:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-13 17:44:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-13 17:44:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-13 17:44:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-13 17:44:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-13 17:44:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent [2020-10-13 17:44:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2020-10-13 17:44:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_coherent [2020-10-13 17:44:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:44:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2020-10-13 17:44:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-13 17:44:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-13 17:44:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-13 17:44:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-13 17:44:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-13 17:44:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2020-10-13 17:44:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-13 17:44:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-13 17:44:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-13 17:44:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-13 17:44:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-13 17:44:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 17:44:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-13 17:44:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:44:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-13 17:44:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-13 17:44:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-13 17:44:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-13 17:44:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-13 17:44:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-13 17:44:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-13 17:44:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-13 17:44:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-13 17:44:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-13 17:44:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-13 17:44:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-13 17:44:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-13 17:44:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-13 17:44:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-13 17:44:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-13 17:44:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-13 17:44:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2020-10-13 17:44:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-13 17:44:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-13 17:44:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-13 17:44:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2020-10-13 17:44:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_device [2020-10-13 17:44:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_hdlcdev [2020-10-13 17:44:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-10-13 17:44:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_open [2020-10-13 17:44:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_close [2020-10-13 17:44:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2020-10-13 17:44:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_start_xmit [2020-10-13 17:44:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2020-10-13 17:44:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2020-10-13 17:44:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:44:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2020-10-13 17:44:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_rx [2020-10-13 17:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_tx_work_q [2020-10-13 17:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_int_work_q [2020-10-13 17:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2020-10-13 17:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2020-10-13 17:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpurelease [2020-10-13 17:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2020-10-13 17:44:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure fst_enable_intr [2020-10-13 17:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2020-10-13 17:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2020-10-13 17:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init_dma [2020-10-13 17:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_dma_complete [2020-10-13 17:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2020-10-13 17:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_dma_complete [2020-10-13 17:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_dma [2020-10-13 17:44:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_dma [2020-10-13 17:44:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2020-10-13 17:44:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure fst_op_raise [2020-10-13 17:44:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure fst_op_lower [2020-10-13 17:44:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_config [2020-10-13 17:44:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_config [2020-10-13 17:44:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_te1_alarm [2020-10-13 17:44:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_ctlchg [2020-10-13 17:44:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure fst_log_rx_error [2020-10-13 17:44:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure fst_recover_rx_error [2020-10-13 17:44:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_rx [2020-10-13 17:44:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr [2020-10-13 17:44:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure check_started_ok [2020-10-13 17:44:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure set_conf_from_info [2020-10-13 17:44:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure gather_conf_info [2020-10-13 17:44:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 17:44:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure fst_set_iface [2020-10-13 17:44:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure fst_get_iface [2020-10-13 17:44:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure fst_ioctl [2020-10-13 17:44:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure fst_openport [2020-10-13 17:44:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure fst_closeport [2020-10-13 17:44:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2020-10-13 17:44:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2020-10-13 17:44:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure fst_attach [2020-10-13 17:44:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2020-10-13 17:44:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure fst_start_xmit [2020-10-13 17:44:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init_card [2020-10-13 17:44:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure fst_add_one [2020-10-13 17:44:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2020-10-13 17:44:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init [2020-10-13 17:44:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cleanup_module [2020-10-13 17:44:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:44:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-13 17:44:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:44:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:44:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:44:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-13 17:44:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-10-13 17:44:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:44:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:44:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 17:44:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 17:44:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:44:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:44:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 17:44:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:44:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:44:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:44:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:44:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:44:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 17:44:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 17:44:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 17:44:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 17:44:12,633 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:44:47,968 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-13 17:44:47,968 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-13 17:44:48,501 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:44:48,598 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume false; [2020-10-13 17:44:48,599 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume !false; [2020-10-13 17:44:49,018 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:44:49,049 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-13 17:44:49,049 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-13 17:44:49,061 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-10-13 17:44:49,286 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:44:49,290 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:45:17,009 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-13 17:45:17,010 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false;call ULTIMATE.dealloc(~#wrthdr~0.base, ~#wrthdr~0.offset);havoc ~#wrthdr~0.base, ~#wrthdr~0.offset;call ULTIMATE.dealloc(~#info~0.base, ~#info~0.offset);havoc ~#info~0.base, ~#info~0.offset; [2020-10-13 17:45:17,010 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume !false; [2020-10-13 17:45:17,010 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume false; [2020-10-13 17:45:17,020 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:45:17,021 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:45:50,906 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-13 17:45:50,906 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-13 17:45:50,906 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2020-10-13 17:45:50,907 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2020-10-13 17:45:51,930 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:45:51,930 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 17:45:51,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:45:51 BoogieIcfgContainer [2020-10-13 17:45:51,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:45:51,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:45:51,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:45:51,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:45:51,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:44:06" (1/3) ... [2020-10-13 17:45:51,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6266a657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:45:51, skipping insertion in model container [2020-10-13 17:45:51,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:09" (2/3) ... [2020-10-13 17:45:51,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6266a657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:45:51, skipping insertion in model container [2020-10-13 17:45:51,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:45:51" (3/3) ... [2020-10-13 17:45:51,954 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2020-10-13 17:45:51,964 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:45:51,973 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:45:51,986 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:45:52,015 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:45:52,015 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:45:52,015 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:45:52,015 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:45:52,016 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:45:52,016 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:45:52,016 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:45:52,016 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:45:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states. [2020-10-13 17:45:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-13 17:45:52,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:45:52,070 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] [2020-10-13 17:45:52,071 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:45:52,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:45:52,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1661752433, now seen corresponding path program 1 times [2020-10-13 17:45:52,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:45:52,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642552818] [2020-10-13 17:45:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:45:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:52,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:55,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:55,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 17:45:55,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:45:55,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2596 [2020-10-13 17:45:55,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:45:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:45:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:45:55,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 17:45:56,071 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 17:45:56,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:45:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:56,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:56,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:56,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:45:56,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-13 17:45:56,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:45:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:45:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:45:56,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:45:56,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:45:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:56,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:56,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:56,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:45:56,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:56,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:45:56,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:56,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:45:56,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:45:56,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:45:56,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:45:56,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:45:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:56,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:56,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:56,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 17:45:56,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:56,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 17:45:56,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:56,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:45:56,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 17:45:56,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:45:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:45:56,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:45:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:56,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:56,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:56,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:45:56,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:56,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:45:56,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:45:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:45:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:45:56,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:45:56,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 17:45:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:56,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:56,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:56,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:45:56,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:56,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:45:56,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:45:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:45:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:45:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:45:56,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 17:45:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:56,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:56,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:56,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:45:56,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:56,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:45:56,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:56,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:45:56,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:45:56,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:45:56,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:45:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:45:56,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642552818] [2020-10-13 17:45:56,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:45:56,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:45:56,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446164698] [2020-10-13 17:45:56,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:45:56,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:45:56,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:45:56,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:45:56,530 INFO L87 Difference]: Start difference. First operand 1663 states. Second operand 5 states. [2020-10-13 17:46:43,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:46:43,549 INFO L93 Difference]: Finished difference Result 2892 states and 3836 transitions. [2020-10-13 17:46:43,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:46:43,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-13 17:46:43,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:46:43,582 INFO L225 Difference]: With dead ends: 2892 [2020-10-13 17:46:43,582 INFO L226 Difference]: Without dead ends: 1540 [2020-10-13 17:46:43,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:46:43,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2020-10-13 17:46:44,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1350. [2020-10-13 17:46:44,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2020-10-13 17:46:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1765 transitions. [2020-10-13 17:46:44,036 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1765 transitions. Word has length 34 [2020-10-13 17:46:44,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:46:44,036 INFO L479 AbstractCegarLoop]: Abstraction has 1350 states and 1765 transitions. [2020-10-13 17:46:44,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:46:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1765 transitions. [2020-10-13 17:46:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-13 17:46:44,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:46:44,039 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] [2020-10-13 17:46:44,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:46:44,039 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:46:44,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:46:44,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1711610131, now seen corresponding path program 1 times [2020-10-13 17:46:44,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:46:44,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766212445] [2020-10-13 17:46:44,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:46:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:44,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:44,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 17:46:46,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:46:46,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2155 [2020-10-13 17:46:46,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:46:46,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:46:46,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:46:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:47,058 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 17:46:47,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:47,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:47,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:47,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:47,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:47,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 17:46:47,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:47,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:47,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:46:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:47,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:47,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:47,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:46:47,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:47,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:47,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:47,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:47,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:47,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:46:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:47,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:47,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:47,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 17:46:47,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:47,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 17:46:47,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:46:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 17:46:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:46:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:47,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 17:46:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:47,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:47,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:47,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:47,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:47,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:46:47,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:46:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:47,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:47,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:46:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:47,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:47,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:47,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:47,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:46:47,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:47,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:47,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:46:47,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:47,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:47,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 17:46:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:47,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:47,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:47,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:47,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:46:47,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:46:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:47,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:46:47,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766212445] [2020-10-13 17:46:47,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:46:47,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 17:46:47,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252586336] [2020-10-13 17:46:47,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 17:46:47,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:46:47,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 17:46:47,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 17:46:47,356 INFO L87 Difference]: Start difference. First operand 1350 states and 1765 transitions. Second operand 6 states. [2020-10-13 17:47:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:47:50,746 INFO L93 Difference]: Finished difference Result 2874 states and 3780 transitions. [2020-10-13 17:47:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 17:47:50,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-13 17:47:50,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:47:50,760 INFO L225 Difference]: With dead ends: 2874 [2020-10-13 17:47:50,760 INFO L226 Difference]: Without dead ends: 1538 [2020-10-13 17:47:50,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 17:47:50,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2020-10-13 17:47:51,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1352. [2020-10-13 17:47:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2020-10-13 17:47:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1767 transitions. [2020-10-13 17:47:51,011 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1767 transitions. Word has length 36 [2020-10-13 17:47:51,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:47:51,011 INFO L479 AbstractCegarLoop]: Abstraction has 1352 states and 1767 transitions. [2020-10-13 17:47:51,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 17:47:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1767 transitions. [2020-10-13 17:47:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-13 17:47:51,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:47:51,013 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:47:51,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 17:47:51,013 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:47:51,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:47:51,014 INFO L82 PathProgramCache]: Analyzing trace with hash 812725655, now seen corresponding path program 2 times [2020-10-13 17:47:51,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:47:51,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894647444] [2020-10-13 17:47:51,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:47:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:51,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:51,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:54,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:54,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 17:47:54,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:47:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3064 [2020-10-13 17:47:54,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:47:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:47:54,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 17:47:54,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:54,980 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 17:47:54,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:55,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-13 17:47:55,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:47:55,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:55,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:47:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 17:47:55,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 17:47:55,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:47:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 17:47:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 17:47:55,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:55,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:55,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:55,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 17:47:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:55,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:55,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:55,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 17:47:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:55,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:47:55,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:47:55,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894647444] [2020-10-13 17:47:55,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:47:55,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 17:47:55,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964329704] [2020-10-13 17:47:55,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 17:47:55,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:47:55,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 17:47:55,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:47:55,331 INFO L87 Difference]: Start difference. First operand 1352 states and 1767 transitions. Second operand 7 states.