./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 ae007674 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-ae00767 [2021-12-28 03:58:49,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:58:49,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:58:49,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:58:49,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:58:49,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:58:49,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:58:49,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:58:49,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:58:49,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:58:49,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:58:49,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:58:49,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:58:49,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:58:49,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:58:49,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:58:49,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:58:49,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:58:49,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:58:50,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:58:50,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:58:50,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:58:50,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:58:50,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:58:50,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:58:50,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:58:50,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:58:50,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:58:50,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:58:50,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:58:50,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:58:50,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:58:50,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:58:50,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:58:50,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:58:50,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:58:50,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:58:50,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:58:50,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:58:50,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:58:50,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:58:50,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:58:50,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:58:50,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:58:50,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:58:50,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:58:50,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:58:50,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:58:50,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:58:50,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:58:50,054 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:58:50,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:58:50,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:58:50,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:58:50,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:58:50,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:58:50,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:58:50,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:58:50,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:58:50,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:58:50,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:58:50,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:58:50,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:58:50,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:58:50,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:58:50,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:58:50,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:58:50,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:58:50,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:58:50,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:58:50,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:58:50,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:58:50,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a49fa2cb2318ea112688f7105056cfdc1f55c42e8f926c44139a3fa1f7774bac [2021-12-28 03:58:50,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:58:50,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:58:50,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:58:50,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:58:50,348 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:58:50,349 INFO L432 ainManager$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 [2021-12-28 03:58:50,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da913d20e/22cd2533830d44028b20847298b53410/FLAG8f87de266 [2021-12-28 03:58:51,177 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:58:51,178 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 [2021-12-28 03:58:51,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da913d20e/22cd2533830d44028b20847298b53410/FLAG8f87de266 [2021-12-28 03:58:51,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da913d20e/22cd2533830d44028b20847298b53410 [2021-12-28 03:58:51,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:58:51,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:58:51,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:58:51,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:58:51,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:58:51,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:58:51" (1/1) ... [2021-12-28 03:58:51,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dafc03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:51, skipping insertion in model container [2021-12-28 03:58:51,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:58:51" (1/1) ... [2021-12-28 03:58:51,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:58:51,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:58:52,387 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] [2021-12-28 03:58:54,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:58:54,164 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:58:54,260 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] [2021-12-28 03:58:54,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:58:54,639 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:58:54,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54 WrapperNode [2021-12-28 03:58:54,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:58:54,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:58:54,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:58:54,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:58:54,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:54,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:55,074 INFO L137 Inliner]: procedures = 436, calls = 5982, calls flagged for inlining = 178, calls inlined = 156, statements flattened = 7374 [2021-12-28 03:58:55,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:58:55,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:58:55,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:58:55,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:58:55,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:55,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:55,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:55,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:55,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:55,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:55,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:55,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:58:55,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:58:55,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:58:55,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:58:55,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (1/1) ... [2021-12-28 03:58:55,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:58:55,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:58:55,548 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) [2021-12-28 03:58:55,577 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 [2021-12-28 03:58:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-28 03:58:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-28 03:58:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-28 03:58:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-28 03:58:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 03:58:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 03:58:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 03:58:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-28 03:58:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-28 03:58:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 03:58:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 03:58:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:58:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:58:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-28 03:58:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-28 03:58:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-28 03:58:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-28 03:58:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 03:58:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 03:58:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 03:58:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 03:58:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 03:58:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 03:58:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-28 03:58:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-28 03:58:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-28 03:58:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-28 03:58:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-28 03:58:55,590 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-28 03:58:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 03:58:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 03:58:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 03:58:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 03:58:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 03:58:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 03:58:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-28 03:58:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-28 03:58:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 03:58:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 03:58:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 03:58:55,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 03:58:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:58:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 03:58:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 03:58:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 03:58:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 03:58:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-28 03:58:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-28 03:58:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-28 03:58:55,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-28 03:58:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 03:58:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 03:58:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 03:58:55,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 03:58:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 03:58:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-28 03:58:55,595 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-28 03:58:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 03:58:55,596 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 03:58:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-28 03:58:55,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-28 03:58:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:58:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:58:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 03:58:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 03:58:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 03:58:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 03:58:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2021-12-28 03:58:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2021-12-28 03:58:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 03:58:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 03:58:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:58:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:58:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 03:58:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 03:58:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:58:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 03:58:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 03:58:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 03:58:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 03:58:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 03:58:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 03:58:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 03:58:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-28 03:58:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-28 03:58:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 03:58:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 03:58:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 03:58:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 03:58:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-28 03:58:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-28 03:58:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 03:58:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 03:58:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:58:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:58:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 03:58:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 03:58:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2021-12-28 03:58:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2021-12-28 03:58:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 03:58:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 03:58:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-28 03:58:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-28 03:58:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 03:58:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 03:58:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 03:58:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 03:58:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 03:58:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 03:58:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 03:58:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 03:58:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-28 03:58:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-28 03:58:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-28 03:58:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-28 03:58:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 03:58:55,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 03:58:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:58:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:58:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 03:58:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 03:58:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 03:58:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 03:58:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 03:58:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 03:58:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 03:58:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 03:58:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-28 03:58:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-28 03:58:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 03:58:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 03:58:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:58:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 03:58:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 03:58:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-28 03:58:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-28 03:58:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:58:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-28 03:58:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-28 03:58:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-28 03:58:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-28 03:58:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-28 03:58:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-28 03:58:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:58:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-28 03:58:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-28 03:58:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 03:58:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 03:58:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 03:58:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 03:58:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 03:58:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 03:58:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 03:58:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 03:58:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 03:58:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 03:58:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-28 03:58:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-28 03:58:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-28 03:58:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-28 03:58:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 03:58:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 03:58:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-28 03:58:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-28 03:58:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 03:58:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 03:58:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 03:58:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 03:58:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-28 03:58:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-28 03:58:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 03:58:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 03:58:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 03:58:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 03:58:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-28 03:58:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-28 03:58:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-28 03:58:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-28 03:58:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-28 03:58:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-28 03:58:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 03:58:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 03:58:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-28 03:58:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-28 03:58:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:58:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-28 03:58:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-28 03:58:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 03:58:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 03:58:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-28 03:58:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-28 03:58:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-28 03:58:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-28 03:58:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 03:58:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 03:58:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 03:58:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 03:58:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-28 03:58:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-28 03:58:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-28 03:58:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-28 03:58:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 03:58:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 03:58:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 03:58:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 03:58:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-28 03:58:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-28 03:58:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-28 03:58:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-28 03:58:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 03:58:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 03:58:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 03:58:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 03:58:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:58:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 03:58:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 03:58:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-28 03:58:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-28 03:58:56,265 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:58:56,267 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:58:56,465 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 03:59:00,688 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:59:00,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:59:00,706 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-28 03:59:00,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:59:00 BoogieIcfgContainer [2021-12-28 03:59:00,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:59:00,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:59:00,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:59:00,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:59:00,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:58:51" (1/3) ... [2021-12-28 03:59:00,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d537b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:59:00, skipping insertion in model container [2021-12-28 03:59:00,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:54" (2/3) ... [2021-12-28 03:59:00,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d537b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:59:00, skipping insertion in model container [2021-12-28 03:59:00,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:59:00" (3/3) ... [2021-12-28 03:59:00,716 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 [2021-12-28 03:59:00,719 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:59:00,720 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:59:00,762 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:59:00,772 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 [2021-12-28 03:59:00,773 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:59:00,813 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) [2021-12-28 03:59:00,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-28 03:59:00,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:00,820 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] [2021-12-28 03:59:00,820 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:00,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash 26763159, now seen corresponding path program 1 times [2021-12-28 03:59:00,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:00,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431255275] [2021-12-28 03:59:00,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:00,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 03:59:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:59:01,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:01,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431255275] [2021-12-28 03:59:01,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431255275] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:01,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:01,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 03:59:01,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193576947] [2021-12-28 03:59:01,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:01,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 03:59:01,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:01,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 03:59:01,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 03:59:01,582 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) [2021-12-28 03:59:07,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:59:07,653 INFO L93 Difference]: Finished difference Result 5662 states and 8251 transitions. [2021-12-28 03:59:07,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 03:59:07,655 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 [2021-12-28 03:59:07,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:59:07,693 INFO L225 Difference]: With dead ends: 5662 [2021-12-28 03:59:07,694 INFO L226 Difference]: Without dead ends: 3803 [2021-12-28 03:59:07,712 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 [2021-12-28 03:59:07,718 INFO L933 BasicCegarLoop]: 2793 mSDtfsCounter, 4253 mSDsluCounter, 3548 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 2327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4572 SdHoareTripleChecker+Valid, 6341 SdHoareTripleChecker+Invalid, 5791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2327 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-28 03:59:07,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4572 Valid, 6341 Invalid, 5791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2327 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-28 03:59:07,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3803 states. [2021-12-28 03:59:07,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3803 to 3455. [2021-12-28 03:59:07,908 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) [2021-12-28 03:59:07,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3455 states to 3455 states and 4797 transitions. [2021-12-28 03:59:07,935 INFO L78 Accepts]: Start accepts. Automaton has 3455 states and 4797 transitions. Word has length 30 [2021-12-28 03:59:07,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:59:07,935 INFO L470 AbstractCegarLoop]: Abstraction has 3455 states and 4797 transitions. [2021-12-28 03:59:07,935 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) [2021-12-28 03:59:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3455 states and 4797 transitions. [2021-12-28 03:59:07,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-28 03:59:07,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:07,938 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] [2021-12-28 03:59:07,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:59:07,938 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:07,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:07,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1975872303, now seen corresponding path program 1 times [2021-12-28 03:59:07,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:07,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776760893] [2021-12-28 03:59:07,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:07,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 03:59:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:08,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:59:08,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:08,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776760893] [2021-12-28 03:59:08,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776760893] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:08,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:08,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 03:59:08,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648018611] [2021-12-28 03:59:08,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:08,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 03:59:08,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:08,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 03:59:08,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 03:59:08,323 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) [2021-12-28 03:59:16,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:59:16,865 INFO L93 Difference]: Finished difference Result 11034 states and 15699 transitions. [2021-12-28 03:59:16,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 03:59:16,866 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 [2021-12-28 03:59:16,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:59:16,908 INFO L225 Difference]: With dead ends: 11034 [2021-12-28 03:59:16,909 INFO L226 Difference]: Without dead ends: 7582 [2021-12-28 03:59:16,925 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 [2021-12-28 03:59:16,926 INFO L933 BasicCegarLoop]: 2783 mSDtfsCounter, 3996 mSDsluCounter, 6881 mSDsCounter, 0 mSdLazyCounter, 6327 mSolverCounterSat, 2254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4307 SdHoareTripleChecker+Valid, 9664 SdHoareTripleChecker+Invalid, 8581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2254 IncrementalHoareTripleChecker+Valid, 6327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:59:16,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4307 Valid, 9664 Invalid, 8581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2254 Valid, 6327 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-12-28 03:59:16,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7582 states. [2021-12-28 03:59:17,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7582 to 6920. [2021-12-28 03:59:17,168 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) [2021-12-28 03:59:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6920 states to 6920 states and 9663 transitions. [2021-12-28 03:59:17,198 INFO L78 Accepts]: Start accepts. Automaton has 6920 states and 9663 transitions. Word has length 34 [2021-12-28 03:59:17,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:59:17,199 INFO L470 AbstractCegarLoop]: Abstraction has 6920 states and 9663 transitions. [2021-12-28 03:59:17,199 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) [2021-12-28 03:59:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 6920 states and 9663 transitions. [2021-12-28 03:59:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-12-28 03:59:17,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:17,217 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] [2021-12-28 03:59:17,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 03:59:17,217 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:17,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:17,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1589497562, now seen corresponding path program 1 times [2021-12-28 03:59:17,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:17,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100447312] [2021-12-28 03:59:17,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:17,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 03:59:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-28 03:59:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 03:59:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 03:59:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 03:59:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 03:59:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 03:59:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 03:59:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 03:59:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 03:59:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 03:59:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-28 03:59:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 03:59:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 03:59:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 03:59:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-28 03:59:17,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:17,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100447312] [2021-12-28 03:59:17,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100447312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:17,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:17,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 03:59:17,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483421727] [2021-12-28 03:59:17,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:17,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 03:59:17,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:17,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 03:59:17,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 03:59:17,815 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) [2021-12-28 03:59:24,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:59:24,125 INFO L93 Difference]: Finished difference Result 20652 states and 29227 transitions. [2021-12-28 03:59:24,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 03:59:24,126 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 [2021-12-28 03:59:24,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:59:24,201 INFO L225 Difference]: With dead ends: 20652 [2021-12-28 03:59:24,201 INFO L226 Difference]: Without dead ends: 13740 [2021-12-28 03:59:24,233 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 [2021-12-28 03:59:24,238 INFO L933 BasicCegarLoop]: 2779 mSDtfsCounter, 4309 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 3392 mSolverCounterSat, 2901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4562 SdHoareTripleChecker+Valid, 6168 SdHoareTripleChecker+Invalid, 6293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2901 IncrementalHoareTripleChecker+Valid, 3392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-12-28 03:59:24,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4562 Valid, 6168 Invalid, 6293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2901 Valid, 3392 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-12-28 03:59:24,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13740 states. [2021-12-28 03:59:24,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13740 to 12488. [2021-12-28 03:59:24,626 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) [2021-12-28 03:59:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12488 states to 12488 states and 17317 transitions. [2021-12-28 03:59:24,674 INFO L78 Accepts]: Start accepts. Automaton has 12488 states and 17317 transitions. Word has length 143 [2021-12-28 03:59:24,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:59:24,675 INFO L470 AbstractCegarLoop]: Abstraction has 12488 states and 17317 transitions. [2021-12-28 03:59:24,676 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) [2021-12-28 03:59:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 12488 states and 17317 transitions. [2021-12-28 03:59:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-28 03:59:24,688 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:24,689 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] [2021-12-28 03:59:24,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 03:59:24,689 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:24,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:24,689 INFO L85 PathProgramCache]: Analyzing trace with hash -49449638, now seen corresponding path program 1 times [2021-12-28 03:59:24,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:24,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660690470] [2021-12-28 03:59:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:24,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 03:59:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 03:59:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-28 03:59:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 03:59:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 03:59:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 03:59:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 03:59:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 03:59:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 03:59:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 03:59:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 03:59:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 03:59:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 03:59:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 03:59:25,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:25,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660690470] [2021-12-28 03:59:25,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660690470] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:25,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:25,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-28 03:59:25,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086785484] [2021-12-28 03:59:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:25,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-28 03:59:25,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:25,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-28 03:59:25,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-12-28 03:59:25,632 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) [2021-12-28 03:59:44,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:59:44,350 INFO L93 Difference]: Finished difference Result 34695 states and 48782 transitions. [2021-12-28 03:59:44,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-28 03:59:44,351 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 [2021-12-28 03:59:44,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:59:44,446 INFO L225 Difference]: With dead ends: 34695 [2021-12-28 03:59:44,447 INFO L226 Difference]: Without dead ends: 22215 [2021-12-28 03:59:44,489 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 [2021-12-28 03:59:44,491 INFO L933 BasicCegarLoop]: 3495 mSDtfsCounter, 3368 mSDsluCounter, 15171 mSDsCounter, 0 mSdLazyCounter, 14788 mSolverCounterSat, 2271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3606 SdHoareTripleChecker+Valid, 18666 SdHoareTripleChecker+Invalid, 17059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2271 IncrementalHoareTripleChecker+Valid, 14788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-12-28 03:59:44,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3606 Valid, 18666 Invalid, 17059 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2271 Valid, 14788 Invalid, 0 Unknown, 0 Unchecked, 17.6s Time] [2021-12-28 03:59:44,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22215 states. [2021-12-28 03:59:45,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22215 to 20192. [2021-12-28 03:59:45,472 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) [2021-12-28 03:59:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20192 states to 20192 states and 27863 transitions. [2021-12-28 03:59:45,547 INFO L78 Accepts]: Start accepts. Automaton has 20192 states and 27863 transitions. Word has length 153 [2021-12-28 03:59:45,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:59:45,547 INFO L470 AbstractCegarLoop]: Abstraction has 20192 states and 27863 transitions. [2021-12-28 03:59:45,547 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) [2021-12-28 03:59:45,548 INFO L276 IsEmpty]: Start isEmpty. Operand 20192 states and 27863 transitions. [2021-12-28 03:59:45,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-28 03:59:45,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:45,563 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] [2021-12-28 03:59:45,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 03:59:45,564 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:45,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:45,564 INFO L85 PathProgramCache]: Analyzing trace with hash 364137163, now seen corresponding path program 1 times [2021-12-28 03:59:45,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:45,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757884357] [2021-12-28 03:59:45,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:45,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:45,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 03:59:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 03:59:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:45,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-28 03:59:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-28 03:59:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 03:59:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 03:59:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 03:59:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-28 03:59:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:59:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 03:59:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:59:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 03:59:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 03:59:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 03:59:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 03:59:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 03:59:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-28 03:59:46,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:46,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757884357] [2021-12-28 03:59:46,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757884357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:46,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:46,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-28 03:59:46,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791741648] [2021-12-28 03:59:46,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:46,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-28 03:59:46,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:46,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-28 03:59:46,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-28 03:59:46,234 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) [2021-12-28 03:59:53,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:59:53,745 INFO L93 Difference]: Finished difference Result 51895 states and 72454 transitions. [2021-12-28 03:59:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-28 03:59:53,746 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 [2021-12-28 03:59:53,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:59:53,879 INFO L225 Difference]: With dead ends: 51895 [2021-12-28 03:59:53,879 INFO L226 Difference]: Without dead ends: 31715 [2021-12-28 03:59:53,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2021-12-28 03:59:53,943 INFO L933 BasicCegarLoop]: 3249 mSDtfsCounter, 5127 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 4806 mSolverCounterSat, 3415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5491 SdHoareTripleChecker+Valid, 7949 SdHoareTripleChecker+Invalid, 8221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3415 IncrementalHoareTripleChecker+Valid, 4806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-28 03:59:53,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5491 Valid, 7949 Invalid, 8221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3415 Valid, 4806 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-28 03:59:53,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31715 states.