./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 ff03de63 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-ff03de6 [2021-12-21 16:48:01,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:48:01,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:48:01,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:48:01,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:48:01,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:48:01,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:48:01,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:48:01,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:48:01,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:48:01,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:48:01,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:48:01,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:48:01,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:48:01,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:48:01,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:48:01,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:48:01,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:48:01,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:48:01,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:48:01,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:48:01,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:48:01,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:48:01,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:48:01,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:48:01,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:48:01,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:48:01,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:48:01,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:48:01,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:48:01,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:48:01,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:48:01,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:48:01,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:48:01,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:48:01,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:48:01,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:48:01,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:48:01,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:48:01,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:48:01,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:48:01,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:48:01,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:48:01,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:48:01,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:48:01,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:48:01,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:48:01,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:48:01,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:48:01,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:48:01,453 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:48:01,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:48:01,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:48:01,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:48:01,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:48:01,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:48:01,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:48:01,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:48:01,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:48:01,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:48:01,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:48:01,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:48:01,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:48:01,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:48:01,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:48:01,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:48:01,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:48:01,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:48:01,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:48:01,456 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:48:01,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:48:01,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:48:01,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:48:01,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2021-12-21 16:48:01,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:48:01,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:48:01,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:48:01,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:48:01,693 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:48:01,694 INFO L432 ainManager$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 [2021-12-21 16:48:01,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd3de530/f371f08f164944c9ab9cf6ea259fe3cb/FLAG6182a5322 [2021-12-21 16:48:02,431 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:48:02,432 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 [2021-12-21 16:48:02,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd3de530/f371f08f164944c9ab9cf6ea259fe3cb/FLAG6182a5322 [2021-12-21 16:48:02,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd3de530/f371f08f164944c9ab9cf6ea259fe3cb [2021-12-21 16:48:02,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:48:02,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:48:02,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:48:02,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:48:02,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:48:02,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:48:02" (1/1) ... [2021-12-21 16:48:02,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5044cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:02, skipping insertion in model container [2021-12-21 16:48:02,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:48:02" (1/1) ... [2021-12-21 16:48:02,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:48:02,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:48:05,999 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] [2021-12-21 16:48:06,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:48:06,146 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:48:06,501 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] [2021-12-21 16:48:06,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:48:06,712 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:48:06,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06 WrapperNode [2021-12-21 16:48:06,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:48:06,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:48:06,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:48:06,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:48:06,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:06,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:07,028 INFO L137 Inliner]: procedures = 526, calls = 6245, calls flagged for inlining = 183, calls inlined = 161, statements flattened = 7554 [2021-12-21 16:48:07,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:48:07,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:48:07,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:48:07,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:48:07,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:07,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:07,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:07,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:07,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:07,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:07,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:07,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:48:07,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:48:07,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:48:07,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:48:07,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (1/1) ... [2021-12-21 16:48:07,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:48:07,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:48:07,364 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) [2021-12-21 16:48:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-21 16:48:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-21 16:48:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-21 16:48:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-21 16:48:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2021-12-21 16:48:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2021-12-21 16:48:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 16:48:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 16:48:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 16:48:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:48:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:48:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-21 16:48:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-21 16:48:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:48:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:48:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:48:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:48:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:48:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:48:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-21 16:48:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-21 16:48:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-21 16:48:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-21 16:48:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:48:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:48:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-21 16:48:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-21 16:48:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-21 16:48:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-21 16:48:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-21 16:48:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-21 16:48:07,371 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 [2021-12-21 16:48:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-21 16:48:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-21 16:48:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:48:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:48:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:48:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:48:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 16:48:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 16:48:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-21 16:48:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-21 16:48:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:48:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:48:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 16:48:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 16:48:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:48:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:48:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:48:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:48:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:48:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-21 16:48:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-21 16:48:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-21 16:48:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-21 16:48:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:48:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:48:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:48:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:48:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:48:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-21 16:48:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-21 16:48:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:48:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:48:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-21 16:48:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-21 16:48:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:48:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:48:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:48:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:48:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:48:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:48:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:48:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:48:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2021-12-21 16:48:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2021-12-21 16:48:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-21 16:48:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-21 16:48:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:48:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:48:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:48:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:48:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:48:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-21 16:48:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:48:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:48:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:48:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:48:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:48:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 16:48:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 16:48:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 16:48:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 16:48:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 16:48:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 16:48:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-21 16:48:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-21 16:48:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-21 16:48:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-21 16:48:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 16:48:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 16:48:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-12-21 16:48:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-12-21 16:48:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-21 16:48:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-21 16:48:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-21 16:48:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-21 16:48:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:48:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:48:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 16:48:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 16:48:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-21 16:48:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-21 16:48:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-21 16:48:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-21 16:48:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:48:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:48:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:48:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:48:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:48:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:48:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:48:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:48:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 16:48:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 16:48:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 16:48:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 16:48:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-21 16:48:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-21 16:48:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-21 16:48:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-21 16:48:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:48:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:48:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:48:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:48:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 16:48:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 16:48:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:48:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:48:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:48:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:48:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:48:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:48:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 16:48:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 16:48:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 16:48:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 16:48:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-21 16:48:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-21 16:48:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:48:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:48:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:48:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-21 16:48:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-21 16:48:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:48:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:48:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:48:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-21 16:48:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-21 16:48:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-21 16:48:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-21 16:48:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:48:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-21 16:48:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-21 16:48:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-21 16:48:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-21 16:48:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:48:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:48:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-21 16:48:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-21 16:48:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:48:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:48:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:48:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:48:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-21 16:48:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-21 16:48:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-21 16:48:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-21 16:48:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 16:48:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 16:48:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-21 16:48:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-21 16:48:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-21 16:48:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-21 16:48:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-21 16:48:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-21 16:48:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 16:48:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 16:48:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2021-12-21 16:48:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2021-12-21 16:48:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:48:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:48:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-21 16:48:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-21 16:48:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-21 16:48:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-21 16:48:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:48:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:48:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-21 16:48:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-21 16:48:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:48:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-21 16:48:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-21 16:48:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-21 16:48:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-21 16:48:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:48:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:48:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-21 16:48:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-21 16:48:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-21 16:48:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-21 16:48:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:48:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:48:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-21 16:48:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-21 16:48:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:48:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:48:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-21 16:48:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-21 16:48:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-21 16:48:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-21 16:48:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:48:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:48:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2021-12-21 16:48:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2021-12-21 16:48:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:48:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:48:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-21 16:48:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-21 16:48:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-21 16:48:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-21 16:48:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-12-21 16:48:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-12-21 16:48:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:48:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:48:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 16:48:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 16:48:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:48:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-21 16:48:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-21 16:48:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-21 16:48:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-21 16:48:08,225 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:48:08,231 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:48:08,520 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:48:13,218 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:48:13,240 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:48:13,243 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 16:48:13,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:48:13 BoogieIcfgContainer [2021-12-21 16:48:13,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:48:13,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:48:13,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:48:13,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:48:13,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:48:02" (1/3) ... [2021-12-21 16:48:13,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be1d03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:48:13, skipping insertion in model container [2021-12-21 16:48:13,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:06" (2/3) ... [2021-12-21 16:48:13,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be1d03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:48:13, skipping insertion in model container [2021-12-21 16:48:13,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:48:13" (3/3) ... [2021-12-21 16:48:13,254 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-21 16:48:13,265 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:48:13,265 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:48:13,314 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:48:13,331 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 [2021-12-21 16:48:13,331 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:48:13,384 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) [2021-12-21 16:48:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-21 16:48:13,403 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:48:13,404 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] [2021-12-21 16:48:13,406 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:48:13,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:48:13,410 INFO L85 PathProgramCache]: Analyzing trace with hash -363408964, now seen corresponding path program 1 times [2021-12-21 16:48:13,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:48:13,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565857792] [2021-12-21 16:48:13,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:48:13,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:48:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:48:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:48:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:48:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 16:48:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 16:48:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 16:48:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 16:48:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 16:48:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 16:48:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-21 16:48:14,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:48:14,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565857792] [2021-12-21 16:48:14,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565857792] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:48:14,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:48:14,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:48:14,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74331545] [2021-12-21 16:48:14,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:48:14,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:48:14,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:48:14,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:48:14,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:48:14,568 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) [2021-12-21 16:48:18,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:48:18,156 INFO L93 Difference]: Finished difference Result 4052 states and 5859 transitions. [2021-12-21 16:48:18,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:48:18,159 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 [2021-12-21 16:48:18,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:48:18,185 INFO L225 Difference]: With dead ends: 4052 [2021-12-21 16:48:18,185 INFO L226 Difference]: Without dead ends: 2113 [2021-12-21 16:48:18,200 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 [2021-12-21 16:48:18,202 INFO L933 BasicCegarLoop]: 2416 mSDtfsCounter, 2683 mSDsluCounter, 1871 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 2547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2809 SdHoareTripleChecker+Valid, 4287 SdHoareTripleChecker+Invalid, 4029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2547 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:48:18,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2809 Valid, 4287 Invalid, 4029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2547 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-21 16:48:18,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2021-12-21 16:48:18,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 1843. [2021-12-21 16:48:18,306 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) [2021-12-21 16:48:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2551 transitions. [2021-12-21 16:48:18,317 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2551 transitions. Word has length 119 [2021-12-21 16:48:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:48:18,317 INFO L470 AbstractCegarLoop]: Abstraction has 1843 states and 2551 transitions. [2021-12-21 16:48:18,317 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) [2021-12-21 16:48:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2551 transitions. [2021-12-21 16:48:18,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-21 16:48:18,321 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:48:18,321 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] [2021-12-21 16:48:18,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:48:18,322 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:48:18,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:48:18,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1015622410, now seen corresponding path program 1 times [2021-12-21 16:48:18,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:48:18,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628473136] [2021-12-21 16:48:18,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:48:18,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:48:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:48:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:48:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:48:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 16:48:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 16:48:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 16:48:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 16:48:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 16:48:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 16:48:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-21 16:48:18,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:48:18,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628473136] [2021-12-21 16:48:18,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628473136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:48:18,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:48:18,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:48:18,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167515686] [2021-12-21 16:48:18,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:48:18,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:48:18,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:48:18,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:48:18,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:48:18,798 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) [2021-12-21 16:48:25,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:48:25,849 INFO L93 Difference]: Finished difference Result 5666 states and 8000 transitions. [2021-12-21 16:48:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 16:48:25,849 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 [2021-12-21 16:48:25,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:48:25,884 INFO L225 Difference]: With dead ends: 5666 [2021-12-21 16:48:25,885 INFO L226 Difference]: Without dead ends: 3833 [2021-12-21 16:48:25,891 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 [2021-12-21 16:48:25,892 INFO L933 BasicCegarLoop]: 2697 mSDtfsCounter, 5179 mSDsluCounter, 4524 mSDsCounter, 0 mSdLazyCounter, 4284 mSolverCounterSat, 3870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5540 SdHoareTripleChecker+Valid, 7221 SdHoareTripleChecker+Invalid, 8154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3870 IncrementalHoareTripleChecker+Valid, 4284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-21 16:48:25,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5540 Valid, 7221 Invalid, 8154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3870 Valid, 4284 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-12-21 16:48:25,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2021-12-21 16:48:25,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3328. [2021-12-21 16:48:25,998 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) [2021-12-21 16:48:26,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4582 transitions. [2021-12-21 16:48:26,010 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4582 transitions. Word has length 119 [2021-12-21 16:48:26,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:48:26,011 INFO L470 AbstractCegarLoop]: Abstraction has 3328 states and 4582 transitions. [2021-12-21 16:48:26,011 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) [2021-12-21 16:48:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4582 transitions. [2021-12-21 16:48:26,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-12-21 16:48:26,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:48:26,015 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] [2021-12-21 16:48:26,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:48:26,015 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:48:26,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:48:26,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1873490133, now seen corresponding path program 1 times [2021-12-21 16:48:26,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:48:26,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183940681] [2021-12-21 16:48:26,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:48:26,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:48:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:48:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:48:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:48:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 16:48:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 16:48:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:48:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 16:48:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 16:48:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 16:48:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 16:48:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:48:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 16:48:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 16:48:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 16:48:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:26,572 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-21 16:48:26,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:48:26,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183940681] [2021-12-21 16:48:26,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183940681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:48:26,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:48:26,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 16:48:26,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283420771] [2021-12-21 16:48:26,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:48:26,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 16:48:26,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:48:26,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 16:48:26,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:48:26,575 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) [2021-12-21 16:48:37,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:48:37,344 INFO L93 Difference]: Finished difference Result 10903 states and 15412 transitions. [2021-12-21 16:48:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:48:37,344 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 [2021-12-21 16:48:37,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:48:37,381 INFO L225 Difference]: With dead ends: 10903 [2021-12-21 16:48:37,382 INFO L226 Difference]: Without dead ends: 7590 [2021-12-21 16:48:37,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-21 16:48:37,397 INFO L933 BasicCegarLoop]: 3241 mSDtfsCounter, 5439 mSDsluCounter, 11465 mSDsCounter, 0 mSdLazyCounter, 8803 mSolverCounterSat, 3890 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5872 SdHoareTripleChecker+Valid, 14706 SdHoareTripleChecker+Invalid, 12693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3890 IncrementalHoareTripleChecker+Valid, 8803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:48:37,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5872 Valid, 14706 Invalid, 12693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3890 Valid, 8803 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2021-12-21 16:48:37,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7590 states. [2021-12-21 16:48:37,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7590 to 6632. [2021-12-21 16:48:37,605 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) [2021-12-21 16:48:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6632 states to 6632 states and 9136 transitions. [2021-12-21 16:48:37,628 INFO L78 Accepts]: Start accepts. Automaton has 6632 states and 9136 transitions. Word has length 152 [2021-12-21 16:48:37,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:48:37,629 INFO L470 AbstractCegarLoop]: Abstraction has 6632 states and 9136 transitions. [2021-12-21 16:48:37,629 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) [2021-12-21 16:48:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 6632 states and 9136 transitions. [2021-12-21 16:48:37,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-21 16:48:37,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:48:37,638 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] [2021-12-21 16:48:37,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:48:37,639 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:48:37,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:48:37,639 INFO L85 PathProgramCache]: Analyzing trace with hash -2069342834, now seen corresponding path program 1 times [2021-12-21 16:48:37,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:48:37,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553750881] [2021-12-21 16:48:37,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:48:37,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:48:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:48:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:37,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:48:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-21 16:48:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-21 16:48:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 16:48:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 16:48:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 16:48:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:48:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 16:48:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 16:48:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:48:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-21 16:48:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 16:48:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 16:48:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-21 16:48:38,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:48:38,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553750881] [2021-12-21 16:48:38,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553750881] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:48:38,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:48:38,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 16:48:38,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190310316] [2021-12-21 16:48:38,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:48:38,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 16:48:38,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:48:38,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 16:48:38,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:48:38,223 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) [2021-12-21 16:48:46,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:48:46,258 INFO L93 Difference]: Finished difference Result 21775 states and 30784 transitions. [2021-12-21 16:48:46,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:48:46,259 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 [2021-12-21 16:48:46,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:48:46,347 INFO L225 Difference]: With dead ends: 21775 [2021-12-21 16:48:46,347 INFO L226 Difference]: Without dead ends: 15158 [2021-12-21 16:48:46,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-21 16:48:46,377 INFO L933 BasicCegarLoop]: 2607 mSDtfsCounter, 7106 mSDsluCounter, 7732 mSDsCounter, 0 mSdLazyCounter, 5707 mSolverCounterSat, 5707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7537 SdHoareTripleChecker+Valid, 10339 SdHoareTripleChecker+Invalid, 11414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5707 IncrementalHoareTripleChecker+Valid, 5707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:48:46,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7537 Valid, 10339 Invalid, 11414 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5707 Valid, 5707 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-21 16:48:46,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15158 states. [2021-12-21 16:48:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15158 to 13252. [2021-12-21 16:48:46,939 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) [2021-12-21 16:48:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13252 states to 13252 states and 18265 transitions. [2021-12-21 16:48:46,992 INFO L78 Accepts]: Start accepts. Automaton has 13252 states and 18265 transitions. Word has length 154 [2021-12-21 16:48:46,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:48:46,993 INFO L470 AbstractCegarLoop]: Abstraction has 13252 states and 18265 transitions. [2021-12-21 16:48:46,994 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) [2021-12-21 16:48:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 13252 states and 18265 transitions. [2021-12-21 16:48:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-21 16:48:47,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:48:47,001 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] [2021-12-21 16:48:47,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 16:48:47,001 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:48:47,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:48:47,002 INFO L85 PathProgramCache]: Analyzing trace with hash 194742602, now seen corresponding path program 1 times [2021-12-21 16:48:47,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:48:47,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458560008] [2021-12-21 16:48:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:48:47,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:48:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:48:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:48:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 16:48:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:48:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:48:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 16:48:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 16:48:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 16:48:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 16:48:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-21 16:48:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:48:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-21 16:48:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 16:48:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 16:48:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-21 16:48:47,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:48:47,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458560008] [2021-12-21 16:48:47,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458560008] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:48:47,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:48:47,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 16:48:47,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425107637] [2021-12-21 16:48:47,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:48:47,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 16:48:47,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:48:47,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 16:48:47,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:48:47,484 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) [2021-12-21 16:48:57,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:48:57,977 INFO L93 Difference]: Finished difference Result 43539 states and 61555 transitions. [2021-12-21 16:48:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:48:57,979 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 153 [2021-12-21 16:48:57,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:48:58,117 INFO L225 Difference]: With dead ends: 43539 [2021-12-21 16:48:58,118 INFO L226 Difference]: Without dead ends: 30302 [2021-12-21 16:48:58,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2021-12-21 16:48:58,173 INFO L933 BasicCegarLoop]: 2623 mSDtfsCounter, 5979 mSDsluCounter, 9551 mSDsCounter, 0 mSdLazyCounter, 8075 mSolverCounterSat, 4442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6405 SdHoareTripleChecker+Valid, 12174 SdHoareTripleChecker+Invalid, 12517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4442 IncrementalHoareTripleChecker+Valid, 8075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:48:58,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6405 Valid, 12174 Invalid, 12517 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4442 Valid, 8075 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-12-21 16:48:58,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30302 states.