./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-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 a49fa2cb2318ea112688f7105056cfdc1f55c42e8f926c44139a3fa1f7774bac --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:40:35,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:40:35,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:40:35,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:40:35,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:40:35,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:40:35,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:40:35,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:40:35,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:40:35,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:40:35,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:40:35,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:40:35,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:40:35,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:40:35,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:40:35,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:40:35,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:40:35,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:40:35,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:40:35,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:40:35,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:40:35,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:40:35,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:40:35,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:40:35,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:40:35,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:40:35,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:40:35,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:40:35,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:40:35,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:40:35,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:40:35,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:40:35,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:40:35,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:40:35,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:40:35,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:40:35,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:40:35,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:40:35,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:40:35,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:40:35,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:40:35,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:40:35,994 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:40:35,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:40:35,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:40:35,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:40:35,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:40:35,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:40:35,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:40:35,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:40:35,996 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:40:35,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:40:35,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:40:35,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:40:35,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:40:35,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:40:35,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:40:35,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:40:35,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:40:35,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:40:35,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:40:35,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:40:35,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:40:35,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:40:35,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:40:35,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:40:35,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:40:35,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:40:36,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:40:36,001 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:40:36,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:40:36,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:40:36,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:40:36,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a49fa2cb2318ea112688f7105056cfdc1f55c42e8f926c44139a3fa1f7774bac [2021-12-22 14:40:36,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:40:36,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:40:36,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:40:36,266 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:40:36,266 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:40:36,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-22 14:40:36,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bdfafef3/34b8b2da585149c68974b390cd90f00d/FLAGb33d3cb36 [2021-12-22 14:40:37,038 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:40:37,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-22 14:40:37,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bdfafef3/34b8b2da585149c68974b390cd90f00d/FLAGb33d3cb36 [2021-12-22 14:40:37,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bdfafef3/34b8b2da585149c68974b390cd90f00d [2021-12-22 14:40:37,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:40:37,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:40:37,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:40:37,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:40:37,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:40:37,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:37,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed37ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:37, skipping insertion in model container [2021-12-22 14:40:37,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:37" (1/1) ... [2021-12-22 14:40:37,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:40:37,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:40:38,280 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[174455,174468] [2021-12-22 14:40:39,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:40:40,050 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:40:40,143 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[174455,174468] [2021-12-22 14:40:40,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:40:40,578 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:40:40,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40 WrapperNode [2021-12-22 14:40:40,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:40:40,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:40:40,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:40:40,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:40:40,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:40,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:40,960 INFO L137 Inliner]: procedures = 436, calls = 5982, calls flagged for inlining = 178, calls inlined = 156, statements flattened = 7374 [2021-12-22 14:40:40,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:40:40,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:40:40,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:40:40,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:40:40,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:40,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:41,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:41,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:41,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:41,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:41,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:41,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:40:41,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:40:41,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:40:41,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:40:41,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (1/1) ... [2021-12-22 14:40:41,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:40:41,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:40:41,341 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 14:40:41,373 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 14:40:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-22 14:40:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-22 14:40:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-22 14:40:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-22 14:40:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 14:40:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 14:40:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 14:40:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-22 14:40:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-22 14:40:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 14:40:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 14:40:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:40:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:40:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-22 14:40:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-22 14:40:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-22 14:40:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-22 14:40:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:40:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:40:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 14:40:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 14:40:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:40:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:40:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-22 14:40:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-22 14:40:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-22 14:40:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-22 14:40:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-22 14:40:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-22 14:40:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:40:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:40:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 14:40:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 14:40:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 14:40:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 14:40:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-22 14:40:41,393 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-22 14:40:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:40:41,393 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:40:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 14:40:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 14:40:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:40:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 14:40:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 14:40:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:40:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:40:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-22 14:40:41,395 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-22 14:40:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-22 14:40:41,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-22 14:40:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 14:40:41,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 14:40:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:40:41,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:40:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:40:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-22 14:40:41,397 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-22 14:40:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:40:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:40:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-22 14:40:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-22 14:40:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:40:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:40:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:40:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:40:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:40:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:40:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2021-12-22 14:40:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2021-12-22 14:40:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:40:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:40:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:40:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:40:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:40:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:40:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:40:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:40:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 14:40:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 14:40:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:40:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:40:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 14:40:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 14:40:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-22 14:40:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-22 14:40:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 14:40:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 14:40:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:40:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:40:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-22 14:40:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-22 14:40:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 14:40:41,404 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 14:40:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:40:41,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:40:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 14:40:41,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 14:40:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2021-12-22 14:40:41,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2021-12-22 14:40:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 14:40:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 14:40:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-22 14:40:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-22 14:40:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:40:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:40:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:40:41,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:40:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:40:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:40:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 14:40:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 14:40:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-22 14:40:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-22 14:40:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-22 14:40:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-22 14:40:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:40:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:40:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:40:41,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:40:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 14:40:41,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 14:40:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:40:41,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:40:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:40:41,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:40:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 14:40:41,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 14:40:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-22 14:40:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-22 14:40:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 14:40:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 14:40:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:40:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:40:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:40:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-22 14:40:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-22 14:40:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:40:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-22 14:40:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-22 14:40:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-22 14:40:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-22 14:40:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-22 14:40:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-22 14:40:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:40:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-22 14:40:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-22 14:40:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 14:40:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 14:40:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:40:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:40:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 14:40:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 14:40:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:40:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:40:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 14:40:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 14:40:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-22 14:40:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-22 14:40:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-22 14:40:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-22 14:40:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 14:40:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 14:40:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-22 14:40:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-22 14:40:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:40:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:40:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 14:40:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 14:40:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-22 14:40:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-22 14:40:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 14:40:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 14:40:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 14:40:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 14:40:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-22 14:40:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-22 14:40:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-22 14:40:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-22 14:40:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-22 14:40:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-22 14:40:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:40:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:40:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-22 14:40:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-22 14:40:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:40:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-22 14:40:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-22 14:40:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:40:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:40:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-22 14:40:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-22 14:40:41,427 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-22 14:40:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-22 14:40:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 14:40:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 14:40:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 14:40:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 14:40:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-22 14:40:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-22 14:40:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-22 14:40:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-22 14:40:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 14:40:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 14:40:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 14:40:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 14:40:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-22 14:40:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-22 14:40:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-22 14:40:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-22 14:40:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 14:40:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 14:40:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 14:40:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 14:40:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:40:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 14:40:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 14:40:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-22 14:40:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-22 14:40:42,169 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:40:42,171 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:40:42,363 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:40:46,983 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:40:47,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:40:47,001 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 14:40:47,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:40:47 BoogieIcfgContainer [2021-12-22 14:40:47,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:40:47,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:40:47,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:40:47,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:40:47,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:40:37" (1/3) ... [2021-12-22 14:40:47,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5c2eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:40:47, skipping insertion in model container [2021-12-22 14:40:47,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:40" (2/3) ... [2021-12-22 14:40:47,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5c2eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:40:47, skipping insertion in model container [2021-12-22 14:40:47,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:40:47" (3/3) ... [2021-12-22 14:40:47,011 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-22 14:40:47,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:40:47,015 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:40:47,054 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:40:47,063 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 14:40:47,063 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:40:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 1780 states, 1261 states have (on average 1.3227597145122918) internal successors, (1668), 1293 states have internal predecessors, (1668), 418 states have call successors, (418), 100 states have call predecessors, (418), 99 states have return successors, (410), 407 states have call predecessors, (410), 410 states have call successors, (410) [2021-12-22 14:40:47,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-22 14:40:47,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:47,106 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:40:47,106 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:47,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:47,112 INFO L85 PathProgramCache]: Analyzing trace with hash 26763159, now seen corresponding path program 1 times [2021-12-22 14:40:47,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:47,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973628657] [2021-12-22 14:40:47,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:47,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:47,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:47,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:40:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:40:47,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:47,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973628657] [2021-12-22 14:40:47,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973628657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:47,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:47,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:40:47,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80170720] [2021-12-22 14:40:47,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:47,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:40:47,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:47,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:40:47,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:40:47,739 INFO L87 Difference]: Start difference. First operand has 1780 states, 1261 states have (on average 1.3227597145122918) internal successors, (1668), 1293 states have internal predecessors, (1668), 418 states have call successors, (418), 100 states have call predecessors, (418), 99 states have return successors, (410), 407 states have call predecessors, (410), 410 states have call successors, (410) Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-22 14:40:54,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:40:54,107 INFO L93 Difference]: Finished difference Result 5662 states and 8251 transitions. [2021-12-22 14:40:54,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:40:54,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2021-12-22 14:40:54,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:40:54,146 INFO L225 Difference]: With dead ends: 5662 [2021-12-22 14:40:54,146 INFO L226 Difference]: Without dead ends: 3803 [2021-12-22 14:40:54,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:40:54,166 INFO L933 BasicCegarLoop]: 2792 mSDtfsCounter, 4253 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 3080 mSolverCounterSat, 2327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4567 SdHoareTripleChecker+Valid, 6716 SdHoareTripleChecker+Invalid, 5407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2327 IncrementalHoareTripleChecker+Valid, 3080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-22 14:40:54,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4567 Valid, 6716 Invalid, 5407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2327 Valid, 3080 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-22 14:40:54,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2021-12-22 14:40:54,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3455. [2021-12-22 14:40:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3455 states, 2442 states have (on average 1.2964782964782964) internal successors, (3166), 2486 states have internal predecessors, (3166), 816 states have call successors, (816), 197 states have call predecessors, (816), 196 states have return successors, (815), 809 states have call predecessors, (815), 815 states have call successors, (815) [2021-12-22 14:40:54,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3455 states to 3455 states and 4797 transitions. [2021-12-22 14:40:54,363 INFO L78 Accepts]: Start accepts. Automaton has 3455 states and 4797 transitions. Word has length 30 [2021-12-22 14:40:54,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:40:54,364 INFO L470 AbstractCegarLoop]: Abstraction has 3455 states and 4797 transitions. [2021-12-22 14:40:54,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-22 14:40:54,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3455 states and 4797 transitions. [2021-12-22 14:40:54,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-22 14:40:54,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:54,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:40:54,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:40:54,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:54,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:54,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1975872303, now seen corresponding path program 1 times [2021-12-22 14:40:54,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:54,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164112594] [2021-12-22 14:40:54,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:54,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:40:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:40:54,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:54,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164112594] [2021-12-22 14:40:54,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164112594] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:54,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:54,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:40:54,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953174555] [2021-12-22 14:40:54,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:54,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:40:54,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:54,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:40:54,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:40:54,865 INFO L87 Difference]: Start difference. First operand 3455 states and 4797 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 14:41:02,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:41:02,194 INFO L93 Difference]: Finished difference Result 11034 states and 15699 transitions. [2021-12-22 14:41:02,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 14:41:02,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2021-12-22 14:41:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:41:02,240 INFO L225 Difference]: With dead ends: 11034 [2021-12-22 14:41:02,240 INFO L226 Difference]: Without dead ends: 7582 [2021-12-22 14:41:02,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-12-22 14:41:02,264 INFO L933 BasicCegarLoop]: 2794 mSDtfsCounter, 3990 mSDsluCounter, 8684 mSDsCounter, 0 mSdLazyCounter, 4578 mSolverCounterSat, 2254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4293 SdHoareTripleChecker+Valid, 11478 SdHoareTripleChecker+Invalid, 6832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2254 IncrementalHoareTripleChecker+Valid, 4578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:41:02,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4293 Valid, 11478 Invalid, 6832 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2254 Valid, 4578 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-12-22 14:41:02,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7582 states. [2021-12-22 14:41:02,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7582 to 6920. [2021-12-22 14:41:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6920 states, 4890 states have (on average 1.296319018404908) internal successors, (6339), 4982 states have internal predecessors, (6339), 1629 states have call successors, (1629), 393 states have call predecessors, (1629), 400 states have return successors, (1695), 1620 states have call predecessors, (1695), 1628 states have call successors, (1695) [2021-12-22 14:41:02,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6920 states to 6920 states and 9663 transitions. [2021-12-22 14:41:02,573 INFO L78 Accepts]: Start accepts. Automaton has 6920 states and 9663 transitions. Word has length 34 [2021-12-22 14:41:02,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:41:02,573 INFO L470 AbstractCegarLoop]: Abstraction has 6920 states and 9663 transitions. [2021-12-22 14:41:02,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 14:41:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 6920 states and 9663 transitions. [2021-12-22 14:41:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-12-22 14:41:02,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:02,585 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:02,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:41:02,585 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:02,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:02,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1589497562, now seen corresponding path program 1 times [2021-12-22 14:41:02,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:02,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759559614] [2021-12-22 14:41:02,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:02,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:41:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 14:41:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:41:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:41:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:41:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:41:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 14:41:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 14:41:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:41:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:41:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:03,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 14:41:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:03,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 14:41:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:41:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:03,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 14:41:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:03,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 14:41:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:03,068 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-22 14:41:03,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:03,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759559614] [2021-12-22 14:41:03,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759559614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:03,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:03,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:41:03,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000566102] [2021-12-22 14:41:03,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:03,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:41:03,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:03,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:41:03,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:41:03,074 INFO L87 Difference]: Start difference. First operand 6920 states and 9663 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 14:41:10,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:41:10,062 INFO L93 Difference]: Finished difference Result 20652 states and 29227 transitions. [2021-12-22 14:41:10,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 14:41:10,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 143 [2021-12-22 14:41:10,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:41:10,164 INFO L225 Difference]: With dead ends: 20652 [2021-12-22 14:41:10,164 INFO L226 Difference]: Without dead ends: 13740 [2021-12-22 14:41:10,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-12-22 14:41:10,206 INFO L933 BasicCegarLoop]: 2775 mSDtfsCounter, 4311 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 3012 mSolverCounterSat, 2902 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4571 SdHoareTripleChecker+Valid, 6544 SdHoareTripleChecker+Invalid, 5914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2902 IncrementalHoareTripleChecker+Valid, 3012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-22 14:41:10,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4571 Valid, 6544 Invalid, 5914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2902 Valid, 3012 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-22 14:41:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13740 states. [2021-12-22 14:41:10,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13740 to 12488. [2021-12-22 14:41:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12488 states, 8828 states have (on average 1.2902129587675577) internal successors, (11390), 9008 states have internal predecessors, (11390), 2899 states have call successors, (2899), 741 states have call predecessors, (2899), 760 states have return successors, (3028), 2874 states have call predecessors, (3028), 2898 states have call successors, (3028) [2021-12-22 14:41:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12488 states to 12488 states and 17317 transitions. [2021-12-22 14:41:10,683 INFO L78 Accepts]: Start accepts. Automaton has 12488 states and 17317 transitions. Word has length 143 [2021-12-22 14:41:10,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:41:10,684 INFO L470 AbstractCegarLoop]: Abstraction has 12488 states and 17317 transitions. [2021-12-22 14:41:10,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 14:41:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 12488 states and 17317 transitions. [2021-12-22 14:41:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-22 14:41:10,700 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:10,700 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:10,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:41:10,701 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:10,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:10,701 INFO L85 PathProgramCache]: Analyzing trace with hash -49449638, now seen corresponding path program 1 times [2021-12-22 14:41:10,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:10,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467545291] [2021-12-22 14:41:10,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:10,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:41:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:41:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 14:41:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:41:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:41:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:41:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:41:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:41:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:41:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 14:41:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 14:41:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 14:41:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 14:41:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 14:41:11,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:11,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467545291] [2021-12-22 14:41:11,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467545291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:11,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:11,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-22 14:41:11,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767915124] [2021-12-22 14:41:11,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:11,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-22 14:41:11,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:11,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-22 14:41:11,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:41:11,612 INFO L87 Difference]: Start difference. First operand 12488 states and 17317 transitions. Second operand has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 7 states have internal predecessors, (118), 3 states have call successors, (18), 8 states have call predecessors, (18), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-22 14:41:27,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:41:27,347 INFO L93 Difference]: Finished difference Result 34695 states and 48782 transitions. [2021-12-22 14:41:27,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-22 14:41:27,347 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 7 states have internal predecessors, (118), 3 states have call successors, (18), 8 states have call predecessors, (18), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) Word has length 153 [2021-12-22 14:41:27,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:41:27,463 INFO L225 Difference]: With dead ends: 34695 [2021-12-22 14:41:27,463 INFO L226 Difference]: Without dead ends: 22215 [2021-12-22 14:41:27,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2021-12-22 14:41:27,522 INFO L933 BasicCegarLoop]: 3491 mSDtfsCounter, 3368 mSDsluCounter, 18895 mSDsCounter, 0 mSdLazyCounter, 11027 mSolverCounterSat, 2271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3605 SdHoareTripleChecker+Valid, 22386 SdHoareTripleChecker+Invalid, 13298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2271 IncrementalHoareTripleChecker+Valid, 11027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-12-22 14:41:27,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3605 Valid, 22386 Invalid, 13298 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2271 Valid, 11027 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2021-12-22 14:41:27,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22215 states. [2021-12-22 14:41:28,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22215 to 20192. [2021-12-22 14:41:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20192 states, 14317 states have (on average 1.2896556541174826) internal successors, (18464), 14617 states have internal predecessors, (18464), 4591 states have call successors, (4591), 1242 states have call predecessors, (4591), 1283 states have return successors, (4808), 4564 states have call predecessors, (4808), 4590 states have call successors, (4808) [2021-12-22 14:41:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20192 states to 20192 states and 27863 transitions. [2021-12-22 14:41:28,409 INFO L78 Accepts]: Start accepts. Automaton has 20192 states and 27863 transitions. Word has length 153 [2021-12-22 14:41:28,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:41:28,410 INFO L470 AbstractCegarLoop]: Abstraction has 20192 states and 27863 transitions. [2021-12-22 14:41:28,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 7 states have internal predecessors, (118), 3 states have call successors, (18), 8 states have call predecessors, (18), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-22 14:41:28,410 INFO L276 IsEmpty]: Start isEmpty. Operand 20192 states and 27863 transitions. [2021-12-22 14:41:28,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-22 14:41:28,428 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:28,428 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:28,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:41:28,429 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:28,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:28,429 INFO L85 PathProgramCache]: Analyzing trace with hash 364137163, now seen corresponding path program 1 times [2021-12-22 14:41:28,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:28,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479406088] [2021-12-22 14:41:28,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:28,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:41:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:41:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:41:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 14:41:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:41:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:41:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:41:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 14:41:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:41:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 14:41:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:41:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 14:41:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 14:41:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:41:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 14:41:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-22 14:41:29,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:29,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479406088] [2021-12-22 14:41:29,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479406088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:29,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:29,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-22 14:41:29,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863604538] [2021-12-22 14:41:29,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:29,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 14:41:29,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:29,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 14:41:29,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-22 14:41:29,183 INFO L87 Difference]: Start difference. First operand 20192 states and 27863 transitions. Second operand has 10 states, 10 states have (on average 13.6) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (20), 9 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 14:41:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:41:37,636 INFO L93 Difference]: Finished difference Result 51895 states and 72454 transitions. [2021-12-22 14:41:37,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-22 14:41:37,636 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.6) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (20), 9 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 178 [2021-12-22 14:41:37,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:41:37,769 INFO L225 Difference]: With dead ends: 51895 [2021-12-22 14:41:37,769 INFO L226 Difference]: Without dead ends: 31715 [2021-12-22 14:41:37,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2021-12-22 14:41:37,842 INFO L933 BasicCegarLoop]: 3244 mSDtfsCounter, 5127 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 4354 mSolverCounterSat, 3415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5498 SdHoareTripleChecker+Valid, 8382 SdHoareTripleChecker+Invalid, 7769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3415 IncrementalHoareTripleChecker+Valid, 4354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-22 14:41:37,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5498 Valid, 8382 Invalid, 7769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3415 Valid, 4354 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-22 14:41:37,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31715 states.