./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:14:46,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:14:46,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:14:46,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:14:46,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:14:46,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:14:46,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:14:46,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:14:46,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:14:46,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:14:46,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:14:46,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:14:46,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:14:46,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:14:46,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:14:46,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:14:46,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:14:46,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:14:46,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:14:46,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:14:46,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:14:46,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:14:46,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:14:46,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:14:46,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:14:46,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:14:46,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:14:46,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:14:46,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:14:46,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:14:46,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:14:46,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:14:46,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:14:46,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:14:46,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:14:46,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:14:46,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:14:46,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:14:46,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:14:46,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:14:46,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:14:46,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:14:46,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:14:46,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:14:46,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:14:46,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:14:46,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:14:46,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:14:46,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:14:46,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:14:46,791 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:14:46,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:14:46,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:14:46,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:14:46,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:14:46,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:14:46,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:14:46,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:14:46,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:14:46,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:14:46,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:14:46,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:14:46,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:14:46,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:14:46,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:14:46,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:14:46,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:14:46,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:14:46,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:14:46,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:14:46,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:14:46,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:14:46,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:14:46,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2021-12-22 15:14:46,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:14:46,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:14:46,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:14:47,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:14:47,008 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:14:47,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-22 15:14:47,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d57b5f7/8925ec15cf0643c9ae8efb048bfd98c5/FLAG9bd3cc909 [2021-12-22 15:14:47,801 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:14:47,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-22 15:14:47,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d57b5f7/8925ec15cf0643c9ae8efb048bfd98c5/FLAG9bd3cc909 [2021-12-22 15:14:48,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d57b5f7/8925ec15cf0643c9ae8efb048bfd98c5 [2021-12-22 15:14:48,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:14:48,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:14:48,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:14:48,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:14:48,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:14:48,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:14:48" (1/1) ... [2021-12-22 15:14:48,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d94b2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:48, skipping insertion in model container [2021-12-22 15:14:48,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:14:48" (1/1) ... [2021-12-22 15:14:48,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:14:48,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:14:51,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2021-12-22 15:14:51,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:14:52,050 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:14:52,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2021-12-22 15:14:52,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:14:52,583 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:14:52,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52 WrapperNode [2021-12-22 15:14:52,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:14:52,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:14:52,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:14:52,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:14:52,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:52,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:52,819 INFO L137 Inliner]: procedures = 526, calls = 6245, calls flagged for inlining = 183, calls inlined = 161, statements flattened = 7554 [2021-12-22 15:14:52,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:14:52,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:14:52,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:14:52,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:14:52,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:52,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:52,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:52,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:53,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:53,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:53,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:53,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:14:53,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:14:53,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:14:53,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:14:53,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (1/1) ... [2021-12-22 15:14:53,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:14:53,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:14:53,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:14:53,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:14:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-22 15:14:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-22 15:14:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-22 15:14:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-22 15:14:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2021-12-22 15:14:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2021-12-22 15:14:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 15:14:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:14:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:14:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:14:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:14:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-22 15:14:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-22 15:14:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:14:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:14:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:14:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:14:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:14:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:14:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-22 15:14:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-22 15:14:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-22 15:14:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-22 15:14:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:14:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:14:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 15:14:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 15:14:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-22 15:14:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-22 15:14:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-22 15:14:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-22 15:14:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-22 15:14:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-22 15:14:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:14:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:14:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:14:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:14:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:14:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:14:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-22 15:14:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-22 15:14:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:14:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:14:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:14:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:14:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:14:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:14:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:14:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:14:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:14:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-22 15:14:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-22 15:14:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-22 15:14:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-22 15:14:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:14:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:14:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:14:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:14:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:14:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-22 15:14:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-22 15:14:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:14:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:14:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-22 15:14:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-22 15:14:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:14:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:14:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:14:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:14:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:14:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:14:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:14:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:14:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2021-12-22 15:14:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2021-12-22 15:14:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-22 15:14:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-22 15:14:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:14:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:14:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:14:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:14:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:14:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-22 15:14:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:14:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:14:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:14:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:14:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:14:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:14:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:14:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:14:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:14:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:14:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:14:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-22 15:14:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-22 15:14:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 15:14:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 15:14:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:14:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:14:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-12-22 15:14:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-12-22 15:14:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-22 15:14:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-22 15:14:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 15:14:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 15:14:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:14:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:14:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 15:14:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 15:14:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 15:14:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 15:14:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-22 15:14:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-22 15:14:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:14:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:14:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:14:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:14:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:14:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:14:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 15:14:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 15:14:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:14:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:14:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:14:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:14:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-22 15:14:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-22 15:14:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-22 15:14:53,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-22 15:14:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:14:53,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:14:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:14:53,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:14:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:14:53,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:14:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:14:53,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:14:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:14:53,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:14:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:14:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:14:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 15:14:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 15:14:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:14:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:14:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:14:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:14:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:14:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:14:53,228 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:14:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-22 15:14:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-22 15:14:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:14:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:14:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:14:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-22 15:14:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-22 15:14:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-22 15:14:53,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-22 15:14:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:14:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-22 15:14:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-22 15:14:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 15:14:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 15:14:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:14:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:14:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-22 15:14:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-22 15:14:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:14:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:14:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:14:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:14:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-22 15:14:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-22 15:14:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-22 15:14:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-22 15:14:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:14:53,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:14:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-22 15:14:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-22 15:14:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 15:14:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 15:14:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-22 15:14:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-22 15:14:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:14:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:14:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2021-12-22 15:14:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2021-12-22 15:14:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:14:53,232 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:14:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-22 15:14:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-22 15:14:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-22 15:14:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-22 15:14:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:14:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:14:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-22 15:14:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-22 15:14:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:14:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-22 15:14:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-22 15:14:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-22 15:14:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-22 15:14:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:14:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:14:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-22 15:14:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-22 15:14:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-22 15:14:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-22 15:14:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:14:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:14:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:14:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:14:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 15:14:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 15:14:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-22 15:14:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-22 15:14:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-22 15:14:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-22 15:14:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 15:14:53,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 15:14:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2021-12-22 15:14:53,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2021-12-22 15:14:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:14:53,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:14:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-22 15:14:53,236 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-22 15:14:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-22 15:14:53,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-22 15:14:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-12-22 15:14:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-12-22 15:14:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:14:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:14:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:14:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:14:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:14:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:14:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:14:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-22 15:14:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-22 15:14:53,997 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:14:53,999 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:14:54,301 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:14:58,739 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:14:58,763 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:14:58,763 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:14:58,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:14:58 BoogieIcfgContainer [2021-12-22 15:14:58,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:14:58,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:14:58,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:14:58,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:14:58,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:14:48" (1/3) ... [2021-12-22 15:14:58,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b81a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:14:58, skipping insertion in model container [2021-12-22 15:14:58,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:14:52" (2/3) ... [2021-12-22 15:14:58,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b81a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:14:58, skipping insertion in model container [2021-12-22 15:14:58,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:14:58" (3/3) ... [2021-12-22 15:14:58,783 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-22 15:14:58,789 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:14:58,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:14:58,827 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:14:58,841 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:14:58,841 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:14:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-22 15:14:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-22 15:14:58,887 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:14:58,888 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:14:58,888 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:14:58,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:14:58,892 INFO L85 PathProgramCache]: Analyzing trace with hash -363408964, now seen corresponding path program 1 times [2021-12-22 15:14:58,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:14:58,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564241514] [2021-12-22 15:14:58,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:14:58,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:14:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:14:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 15:14:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:14:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 15:14:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:14:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 15:14:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:14:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 15:14:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-22 15:14:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:14:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-22 15:14:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:14:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-22 15:14:59,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:14:59,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564241514] [2021-12-22 15:14:59,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564241514] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:14:59,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:14:59,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:14:59,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304664224] [2021-12-22 15:14:59,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:14:59,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:14:59,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:14:59,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:14:59,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:14:59,974 INFO L87 Difference]: Start difference. First operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 15:15:03,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:15:03,753 INFO L93 Difference]: Finished difference Result 4052 states and 5859 transitions. [2021-12-22 15:15:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:15:03,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2021-12-22 15:15:03,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:15:03,790 INFO L225 Difference]: With dead ends: 4052 [2021-12-22 15:15:03,791 INFO L226 Difference]: Without dead ends: 2113 [2021-12-22 15:15:03,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:15:03,812 INFO L933 BasicCegarLoop]: 2420 mSDtfsCounter, 2683 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 2547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2812 SdHoareTripleChecker+Valid, 4290 SdHoareTripleChecker+Invalid, 4032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2547 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:15:03,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2812 Valid, 4290 Invalid, 4032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2547 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-22 15:15:03,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2021-12-22 15:15:03,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 1843. [2021-12-22 15:15:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1282 states have (on average 1.2870514820592824) internal successors, (1650), 1302 states have internal predecessors, (1650), 451 states have call successors, (451), 110 states have call predecessors, (451), 109 states have return successors, (450), 447 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-22 15:15:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2551 transitions. [2021-12-22 15:15:03,979 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2551 transitions. Word has length 119 [2021-12-22 15:15:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:15:03,979 INFO L470 AbstractCegarLoop]: Abstraction has 1843 states and 2551 transitions. [2021-12-22 15:15:03,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 15:15:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2551 transitions. [2021-12-22 15:15:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-22 15:15:03,985 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:15:03,985 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:15:03,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:15:03,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:15:03,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:15:03,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1015622410, now seen corresponding path program 1 times [2021-12-22 15:15:03,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:15:03,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524928381] [2021-12-22 15:15:03,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:15:03,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:15:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:15:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:15:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 15:15:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:15:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:15:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 15:15:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:15:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 15:15:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 15:15:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-22 15:15:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:15:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-22 15:15:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:04,624 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-22 15:15:04,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:15:04,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524928381] [2021-12-22 15:15:04,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524928381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:15:04,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:15:04,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:15:04,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849130674] [2021-12-22 15:15:04,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:15:04,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:15:04,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:15:04,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:15:04,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:15:04,627 INFO L87 Difference]: Start difference. First operand 1843 states and 2551 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 15:15:12,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:15:12,856 INFO L93 Difference]: Finished difference Result 5666 states and 8000 transitions. [2021-12-22 15:15:12,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 15:15:12,857 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2021-12-22 15:15:12,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:15:12,879 INFO L225 Difference]: With dead ends: 5666 [2021-12-22 15:15:12,879 INFO L226 Difference]: Without dead ends: 3833 [2021-12-22 15:15:12,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-12-22 15:15:12,889 INFO L933 BasicCegarLoop]: 2701 mSDtfsCounter, 5179 mSDsluCounter, 4528 mSDsCounter, 0 mSdLazyCounter, 4308 mSolverCounterSat, 3870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5531 SdHoareTripleChecker+Valid, 7229 SdHoareTripleChecker+Invalid, 8178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3870 IncrementalHoareTripleChecker+Valid, 4308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:15:12,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5531 Valid, 7229 Invalid, 8178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3870 Valid, 4308 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-12-22 15:15:12,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2021-12-22 15:15:12,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3328. [2021-12-22 15:15:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3328 states, 2314 states have (on average 1.2830596369922214) internal successors, (2969), 2354 states have internal predecessors, (2969), 807 states have call successors, (807), 208 states have call predecessors, (807), 206 states have return successors, (806), 795 states have call predecessors, (806), 806 states have call successors, (806) [2021-12-22 15:15:13,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4582 transitions. [2021-12-22 15:15:13,007 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4582 transitions. Word has length 119 [2021-12-22 15:15:13,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:15:13,008 INFO L470 AbstractCegarLoop]: Abstraction has 3328 states and 4582 transitions. [2021-12-22 15:15:13,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 15:15:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4582 transitions. [2021-12-22 15:15:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-12-22 15:15:13,030 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:15:13,031 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:15:13,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:15:13,031 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:15:13,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:15:13,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1873490133, now seen corresponding path program 1 times [2021-12-22 15:15:13,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:15:13,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145423329] [2021-12-22 15:15:13,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:15:13,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:15:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:15:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:15:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 15:15:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:15:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 15:15:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 15:15:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:15:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 15:15:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 15:15:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:15:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:15:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:15:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 15:15:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:15:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 15:15:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-22 15:15:13,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:15:13,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145423329] [2021-12-22 15:15:13,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145423329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:15:13,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:15:13,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:15:13,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966404613] [2021-12-22 15:15:13,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:15:13,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:15:13,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:15:13,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:15:13,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:15:13,662 INFO L87 Difference]: Start difference. First operand 3328 states and 4582 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:15:25,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:15:25,360 INFO L93 Difference]: Finished difference Result 10903 states and 15412 transitions. [2021-12-22 15:15:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:15:25,361 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 152 [2021-12-22 15:15:25,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:15:25,400 INFO L225 Difference]: With dead ends: 10903 [2021-12-22 15:15:25,400 INFO L226 Difference]: Without dead ends: 7590 [2021-12-22 15:15:25,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-22 15:15:25,416 INFO L933 BasicCegarLoop]: 3249 mSDtfsCounter, 5439 mSDsluCounter, 11492 mSDsCounter, 0 mSdLazyCounter, 8839 mSolverCounterSat, 3886 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5864 SdHoareTripleChecker+Valid, 14741 SdHoareTripleChecker+Invalid, 12725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3886 IncrementalHoareTripleChecker+Valid, 8839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:15:25,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5864 Valid, 14741 Invalid, 12725 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3886 Valid, 8839 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2021-12-22 15:15:25,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7590 states. [2021-12-22 15:15:25,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7590 to 6632. [2021-12-22 15:15:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6632 states, 4608 states have (on average 1.2823350694444444) internal successors, (5909), 4696 states have internal predecessors, (5909), 1610 states have call successors, (1610), 416 states have call predecessors, (1610), 413 states have return successors, (1617), 1579 states have call predecessors, (1617), 1609 states have call successors, (1617) [2021-12-22 15:15:25,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6632 states to 6632 states and 9136 transitions. [2021-12-22 15:15:25,638 INFO L78 Accepts]: Start accepts. Automaton has 6632 states and 9136 transitions. Word has length 152 [2021-12-22 15:15:25,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:15:25,639 INFO L470 AbstractCegarLoop]: Abstraction has 6632 states and 9136 transitions. [2021-12-22 15:15:25,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:15:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 6632 states and 9136 transitions. [2021-12-22 15:15:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-22 15:15:25,648 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:15:25,648 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:15:25,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:15:25,648 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:15:25,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:15:25,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2069342834, now seen corresponding path program 1 times [2021-12-22 15:15:25,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:15:25,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583929128] [2021-12-22 15:15:25,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:15:25,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:15:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:15:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:15:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 15:15:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-22 15:15:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 15:15:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 15:15:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 15:15:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 15:15:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:15:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:15:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 15:15:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:15:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-22 15:15:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 15:15:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 15:15:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-22 15:15:26,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:15:26,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583929128] [2021-12-22 15:15:26,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583929128] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:15:26,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:15:26,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:15:26,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933785567] [2021-12-22 15:15:26,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:15:26,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:15:26,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:15:26,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:15:26,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:15:26,179 INFO L87 Difference]: Start difference. First operand 6632 states and 9136 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:15:34,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:15:34,010 INFO L93 Difference]: Finished difference Result 21775 states and 30784 transitions. [2021-12-22 15:15:34,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:15:34,011 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 154 [2021-12-22 15:15:34,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:15:34,085 INFO L225 Difference]: With dead ends: 21775 [2021-12-22 15:15:34,086 INFO L226 Difference]: Without dead ends: 15158 [2021-12-22 15:15:34,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-22 15:15:34,112 INFO L933 BasicCegarLoop]: 2608 mSDtfsCounter, 7106 mSDsluCounter, 7730 mSDsCounter, 0 mSdLazyCounter, 5712 mSolverCounterSat, 5707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7537 SdHoareTripleChecker+Valid, 10338 SdHoareTripleChecker+Invalid, 11419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5707 IncrementalHoareTripleChecker+Valid, 5712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:15:34,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7537 Valid, 10338 Invalid, 11419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5707 Valid, 5712 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-22 15:15:34,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15158 states. [2021-12-22 15:15:34,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15158 to 13252. [2021-12-22 15:15:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13252 states, 9210 states have (on average 1.2818675352877307) internal successors, (11806), 9384 states have internal predecessors, (11806), 3214 states have call successors, (3214), 832 states have call predecessors, (3214), 827 states have return successors, (3245), 3155 states have call predecessors, (3245), 3213 states have call successors, (3245) [2021-12-22 15:15:34,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13252 states to 13252 states and 18265 transitions. [2021-12-22 15:15:34,575 INFO L78 Accepts]: Start accepts. Automaton has 13252 states and 18265 transitions. Word has length 154 [2021-12-22 15:15:34,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:15:34,576 INFO L470 AbstractCegarLoop]: Abstraction has 13252 states and 18265 transitions. [2021-12-22 15:15:34,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:15:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 13252 states and 18265 transitions. [2021-12-22 15:15:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-22 15:15:34,583 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:15:34,583 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:15:34,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:15:34,583 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:15:34,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:15:34,584 INFO L85 PathProgramCache]: Analyzing trace with hash 194742602, now seen corresponding path program 1 times [2021-12-22 15:15:34,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:15:34,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777202931] [2021-12-22 15:15:34,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:15:34,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:15:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:34,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:15:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:34,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:15:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:34,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 15:15:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 15:15:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:34,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:15:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 15:15:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 15:15:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 15:15:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 15:15:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:15:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-22 15:15:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:15:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:15:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-22 15:15:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:15:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:15:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:15:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-22 15:15:35,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:15:35,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777202931] [2021-12-22 15:15:35,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777202931] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:15:35,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:15:35,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:15:35,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022257253] [2021-12-22 15:15:35,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:15:35,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:15:35,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:15:35,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:15:35,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:15:35,099 INFO L87 Difference]: Start difference. First operand 13252 states and 18265 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)