./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:32:54,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:32:54,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:32:54,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:32:54,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:32:54,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:32:54,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:32:54,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:32:54,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:32:54,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:32:54,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:32:54,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:32:54,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:32:54,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:32:54,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:32:54,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:32:54,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:32:54,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:32:54,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:32:54,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:32:54,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:32:54,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:32:54,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:32:54,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:32:54,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:32:54,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:32:54,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:32:54,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:32:54,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:32:54,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:32:54,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:32:54,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:32:54,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:32:54,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:32:54,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:32:54,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:32:54,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:32:54,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:32:54,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:32:54,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:32:54,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:32:54,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:32:54,414 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:32:54,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:32:54,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:32:54,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:32:54,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:32:54,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:32:54,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:32:54,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:32:54,419 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:32:54,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:32:54,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:32:54,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:32:54,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:32:54,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:32:54,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:32:54,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:32:54,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:32:54,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:32:54,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:32:54,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:32:54,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:32:54,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:32:54,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:32:54,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:32:54,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:32:54,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:32:54,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:32:54,422 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:32:54,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:32:54,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:32:54,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2021-12-28 04:32:54,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:32:54,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:32:54,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:32:54,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:32:54,717 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:32:54,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-28 04:32:54,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee107852/a41a3ecf0f2143d7927f0ef22d6fd293/FLAG470b2cf9a [2021-12-28 04:32:55,582 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:32:55,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-28 04:32:55,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee107852/a41a3ecf0f2143d7927f0ef22d6fd293/FLAG470b2cf9a [2021-12-28 04:32:55,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee107852/a41a3ecf0f2143d7927f0ef22d6fd293 [2021-12-28 04:32:55,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:32:55,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:32:55,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:32:55,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:32:55,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:32:55,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:32:55" (1/1) ... [2021-12-28 04:32:55,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5274a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:55, skipping insertion in model container [2021-12-28 04:32:55,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:32:55" (1/1) ... [2021-12-28 04:32:55,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:32:55,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:32:59,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2021-12-28 04:32:59,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:32:59,967 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:33:00,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2021-12-28 04:33:00,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:33:00,682 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:33:00,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00 WrapperNode [2021-12-28 04:33:00,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:33:00,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:33:00,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:33:00,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:33:00,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:00,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:01,022 INFO L137 Inliner]: procedures = 526, calls = 6245, calls flagged for inlining = 183, calls inlined = 161, statements flattened = 7554 [2021-12-28 04:33:01,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:33:01,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:33:01,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:33:01,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:33:01,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:01,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:01,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:01,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:01,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:01,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:01,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:01,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:33:01,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:33:01,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:33:01,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:33:01,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (1/1) ... [2021-12-28 04:33:01,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:33:01,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:33:01,444 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 04:33:01,459 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 04:33:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-28 04:33:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-28 04:33:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-28 04:33:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-28 04:33:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2021-12-28 04:33:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2021-12-28 04:33:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 04:33:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:33:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:33:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:33:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:33:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-28 04:33:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-28 04:33:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:33:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:33:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:33:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:33:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:33:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:33:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-28 04:33:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-28 04:33:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-28 04:33:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-28 04:33:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:33:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:33:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 04:33:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 04:33:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-28 04:33:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-28 04:33:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-28 04:33:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-28 04:33:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-28 04:33:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-28 04:33:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:33:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:33:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:33:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:33:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:33:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:33:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-28 04:33:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-28 04:33:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:33:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:33:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:33:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:33:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:33:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:33:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:33:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:33:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:33:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-28 04:33:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-28 04:33:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-28 04:33:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-28 04:33:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:33:01,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:33:01,493 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:33:01,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:33:01,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:33:01,494 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-28 04:33:01,494 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-28 04:33:01,494 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:33:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:33:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-28 04:33:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-28 04:33:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:33:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:33:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:33:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:33:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:33:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:33:01,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:33:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:33:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2021-12-28 04:33:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2021-12-28 04:33:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-28 04:33:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-28 04:33:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:33:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:33:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:33:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:33:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:33:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-28 04:33:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:33:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:33:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:33:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:33:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:33:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:33:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:33:01,535 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 04:33:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 04:33:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:33:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:33:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-28 04:33:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-28 04:33:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:33:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:33:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:33:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:33:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-12-28 04:33:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-12-28 04:33:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-28 04:33:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-28 04:33:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 04:33:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 04:33:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:33:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:33:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:33:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:33:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 04:33:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 04:33:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-28 04:33:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:33:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:33:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:33:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:33:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 04:33:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-28 04:33:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-28 04:33:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-28 04:33:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:33:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:33:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-28 04:33:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:33:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-28 04:33:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-28 04:33:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-28 04:33:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:33:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:33:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-28 04:33:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:33:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:33:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:33:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:33:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-28 04:33:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-28 04:33:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-28 04:33:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-28 04:33:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:33:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:33:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-28 04:33:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-28 04:33:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:33:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-28 04:33:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-28 04:33:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-28 04:33:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-28 04:33:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:33:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:33:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-28 04:33:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-28 04:33:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-28 04:33:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-28 04:33:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:33:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:33:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:33:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-28 04:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-28 04:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-28 04:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-28 04:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2021-12-28 04:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2021-12-28 04:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-28 04:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-28 04:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-28 04:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-28 04:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-12-28 04:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-12-28 04:33:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:33:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:33:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:33:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:33:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:33:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 04:33:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 04:33:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-28 04:33:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-28 04:33:02,355 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:33:02,357 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:33:02,683 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:33:07,243 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:33:07,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:33:07,255 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:33:07,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:33:07 BoogieIcfgContainer [2021-12-28 04:33:07,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:33:07,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:33:07,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:33:07,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:33:07,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:32:55" (1/3) ... [2021-12-28 04:33:07,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af946d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:33:07, skipping insertion in model container [2021-12-28 04:33:07,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:33:00" (2/3) ... [2021-12-28 04:33:07,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af946d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:33:07, skipping insertion in model container [2021-12-28 04:33:07,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:33:07" (3/3) ... [2021-12-28 04:33:07,263 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-28 04:33:07,279 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:33:07,279 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:33:07,325 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:33:07,331 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 04:33:07,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:33:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) [2021-12-28 04:33:07,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-28 04:33:07,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:33:07,397 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:33:07,398 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:33:07,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:33:07,402 INFO L85 PathProgramCache]: Analyzing trace with hash -363408964, now seen corresponding path program 1 times [2021-12-28 04:33:07,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:33:07,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727978137] [2021-12-28 04:33:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:33:07,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:33:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:33:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:33:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:33:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:33:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:33:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 04:33:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:33:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:33:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:33:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 04:33:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:33:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 04:33:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-28 04:33:08,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:33:08,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727978137] [2021-12-28 04:33:08,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727978137] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:33:08,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:33:08,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:33:08,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881183546] [2021-12-28 04:33:08,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:33:08,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:33:08,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:33:08,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:33:08,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:33:08,466 INFO L87 Difference]: Start difference. First operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-28 04:33:12,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:33:12,108 INFO L93 Difference]: Finished difference Result 4052 states and 5859 transitions. [2021-12-28 04:33:12,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:33:12,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2021-12-28 04:33:12,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:33:12,130 INFO L225 Difference]: With dead ends: 4052 [2021-12-28 04:33:12,130 INFO L226 Difference]: Without dead ends: 2113 [2021-12-28 04:33:12,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:33:12,153 INFO L933 BasicCegarLoop]: 2414 mSDtfsCounter, 2683 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 2547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2809 SdHoareTripleChecker+Valid, 4227 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2547 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:33:12,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2809 Valid, 4227 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2547 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-28 04:33:12,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2021-12-28 04:33:12,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 1843. [2021-12-28 04:33:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1282 states have (on average 1.2870514820592824) internal successors, (1650), 1302 states have internal predecessors, (1650), 451 states have call successors, (451), 110 states have call predecessors, (451), 109 states have return successors, (450), 447 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-28 04:33:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2551 transitions. [2021-12-28 04:33:12,302 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2551 transitions. Word has length 119 [2021-12-28 04:33:12,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:33:12,303 INFO L470 AbstractCegarLoop]: Abstraction has 1843 states and 2551 transitions. [2021-12-28 04:33:12,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-28 04:33:12,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2551 transitions. [2021-12-28 04:33:12,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-28 04:33:12,309 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:33:12,310 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:33:12,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:33:12,310 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:33:12,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:33:12,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1015622410, now seen corresponding path program 1 times [2021-12-28 04:33:12,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:33:12,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670470133] [2021-12-28 04:33:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:33:12,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:33:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:33:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:33:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:33:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:33:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:33:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 04:33:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:33:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:33:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:33:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 04:33:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:33:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 04:33:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-28 04:33:12,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:33:12,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670470133] [2021-12-28 04:33:12,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670470133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:33:12,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:33:12,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:33:12,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106606557] [2021-12-28 04:33:12,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:33:12,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:33:12,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:33:12,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:33:12,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:33:12,838 INFO L87 Difference]: Start difference. First operand 1843 states and 2551 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-28 04:33:20,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:33:20,725 INFO L93 Difference]: Finished difference Result 5666 states and 8000 transitions. [2021-12-28 04:33:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 04:33:20,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2021-12-28 04:33:20,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:33:20,746 INFO L225 Difference]: With dead ends: 5666 [2021-12-28 04:33:20,746 INFO L226 Difference]: Without dead ends: 3833 [2021-12-28 04:33:20,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-12-28 04:33:20,755 INFO L933 BasicCegarLoop]: 2699 mSDtfsCounter, 5179 mSDsluCounter, 3981 mSDsCounter, 0 mSdLazyCounter, 4841 mSolverCounterSat, 3876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5534 SdHoareTripleChecker+Valid, 6680 SdHoareTripleChecker+Invalid, 8717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3876 IncrementalHoareTripleChecker+Valid, 4841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:33:20,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5534 Valid, 6680 Invalid, 8717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3876 Valid, 4841 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-12-28 04:33:20,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2021-12-28 04:33:20,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3328. [2021-12-28 04:33:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3328 states, 2314 states have (on average 1.2830596369922214) internal successors, (2969), 2354 states have internal predecessors, (2969), 807 states have call successors, (807), 208 states have call predecessors, (807), 206 states have return successors, (806), 795 states have call predecessors, (806), 806 states have call successors, (806) [2021-12-28 04:33:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4582 transitions. [2021-12-28 04:33:20,870 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4582 transitions. Word has length 119 [2021-12-28 04:33:20,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:33:20,871 INFO L470 AbstractCegarLoop]: Abstraction has 3328 states and 4582 transitions. [2021-12-28 04:33:20,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-28 04:33:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4582 transitions. [2021-12-28 04:33:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-12-28 04:33:20,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:33:20,875 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:33:20,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:33:20,876 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:33:20,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:33:20,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1873490133, now seen corresponding path program 1 times [2021-12-28 04:33:20,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:33:20,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116724970] [2021-12-28 04:33:20,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:33:20,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:33:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:33:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:33:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:33:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:33:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 04:33:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 04:33:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:33:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 04:33:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:33:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-28 04:33:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:33:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 04:33:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 04:33:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:33:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:33:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-28 04:33:21,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:33:21,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116724970] [2021-12-28 04:33:21,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116724970] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:33:21,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:33:21,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:33:21,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955043209] [2021-12-28 04:33:21,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:33:21,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:33:21,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:33:21,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:33:21,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:33:21,484 INFO L87 Difference]: Start difference. First operand 3328 states and 4582 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 04:33:34,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:33:34,398 INFO L93 Difference]: Finished difference Result 10903 states and 15412 transitions. [2021-12-28 04:33:34,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 04:33:34,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 152 [2021-12-28 04:33:34,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:33:34,439 INFO L225 Difference]: With dead ends: 10903 [2021-12-28 04:33:34,439 INFO L226 Difference]: Without dead ends: 7590 [2021-12-28 04:33:34,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-28 04:33:34,457 INFO L933 BasicCegarLoop]: 3246 mSDtfsCounter, 5439 mSDsluCounter, 9367 mSDsCounter, 0 mSdLazyCounter, 10954 mSolverCounterSat, 3890 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5869 SdHoareTripleChecker+Valid, 12613 SdHoareTripleChecker+Invalid, 14844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3890 IncrementalHoareTripleChecker+Valid, 10954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:33:34,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5869 Valid, 12613 Invalid, 14844 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3890 Valid, 10954 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2021-12-28 04:33:34,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7590 states. [2021-12-28 04:33:34,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7590 to 6632. [2021-12-28 04:33:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6632 states, 4608 states have (on average 1.2823350694444444) internal successors, (5909), 4696 states have internal predecessors, (5909), 1610 states have call successors, (1610), 416 states have call predecessors, (1610), 413 states have return successors, (1617), 1579 states have call predecessors, (1617), 1609 states have call successors, (1617) [2021-12-28 04:33:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6632 states to 6632 states and 9136 transitions. [2021-12-28 04:33:34,697 INFO L78 Accepts]: Start accepts. Automaton has 6632 states and 9136 transitions. Word has length 152 [2021-12-28 04:33:34,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:33:34,698 INFO L470 AbstractCegarLoop]: Abstraction has 6632 states and 9136 transitions. [2021-12-28 04:33:34,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 04:33:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 6632 states and 9136 transitions. [2021-12-28 04:33:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-28 04:33:34,707 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:33:34,707 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:33:34,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:33:34,708 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:33:34,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:33:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2069342834, now seen corresponding path program 1 times [2021-12-28 04:33:34,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:33:34,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301226597] [2021-12-28 04:33:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:33:34,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:33:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:33:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:33:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:33:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 04:33:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 04:33:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 04:33:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 04:33:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:33:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:33:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-28 04:33:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 04:33:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 04:33:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-28 04:33:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:33:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:33:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-28 04:33:35,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:33:35,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301226597] [2021-12-28 04:33:35,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301226597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:33:35,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:33:35,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:33:35,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029049794] [2021-12-28 04:33:35,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:33:35,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:33:35,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:33:35,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:33:35,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:33:35,341 INFO L87 Difference]: Start difference. First operand 6632 states and 9136 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 04:33:44,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:33:44,201 INFO L93 Difference]: Finished difference Result 21775 states and 30784 transitions. [2021-12-28 04:33:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 04:33:44,201 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 154 [2021-12-28 04:33:44,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:33:44,302 INFO L225 Difference]: With dead ends: 21775 [2021-12-28 04:33:44,303 INFO L226 Difference]: Without dead ends: 15158 [2021-12-28 04:33:44,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-28 04:33:44,338 INFO L933 BasicCegarLoop]: 2602 mSDtfsCounter, 7106 mSDsluCounter, 5905 mSDsCounter, 0 mSdLazyCounter, 7515 mSolverCounterSat, 5705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7539 SdHoareTripleChecker+Valid, 8507 SdHoareTripleChecker+Invalid, 13220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5705 IncrementalHoareTripleChecker+Valid, 7515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:33:44,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7539 Valid, 8507 Invalid, 13220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5705 Valid, 7515 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-12-28 04:33:44,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15158 states. [2021-12-28 04:33:44,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15158 to 13252. [2021-12-28 04:33:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13252 states, 9210 states have (on average 1.2818675352877307) internal successors, (11806), 9384 states have internal predecessors, (11806), 3214 states have call successors, (3214), 832 states have call predecessors, (3214), 827 states have return successors, (3245), 3155 states have call predecessors, (3245), 3213 states have call successors, (3245) [2021-12-28 04:33:44,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13252 states to 13252 states and 18265 transitions. [2021-12-28 04:33:44,919 INFO L78 Accepts]: Start accepts. Automaton has 13252 states and 18265 transitions. Word has length 154 [2021-12-28 04:33:44,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:33:44,920 INFO L470 AbstractCegarLoop]: Abstraction has 13252 states and 18265 transitions. [2021-12-28 04:33:44,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 04:33:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 13252 states and 18265 transitions. [2021-12-28 04:33:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-28 04:33:44,927 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:33:44,927 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:33:44,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:33:44,928 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:33:44,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:33:44,928 INFO L85 PathProgramCache]: Analyzing trace with hash 194742602, now seen corresponding path program 1 times [2021-12-28 04:33:44,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:33:44,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803759048] [2021-12-28 04:33:44,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:33:44,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:33:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:33:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:33:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:33:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-28 04:33:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:33:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:33:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:33:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:33:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 04:33:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-28 04:33:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-28 04:33:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:33:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 04:33:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-28 04:33:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 04:33:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:33:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:33:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-28 04:33:45,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:33:45,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803759048] [2021-12-28 04:33:45,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803759048] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:33:45,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:33:45,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:33:45,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337845287] [2021-12-28 04:33:45,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:33:45,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:33:45,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:33:45,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:33:45,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:33:45,471 INFO L87 Difference]: Start difference. First operand 13252 states and 18265 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)