./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--irda--ali-ircc.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a7667ce5c93eeac4f22f6c3a45c95f53de299aa ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a7667ce5c93eeac4f22f6c3a45c95f53de299aa ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:13:38,055 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:13:38,056 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:13:38,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:13:38,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:13:38,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:13:38,066 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:13:38,067 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:13:38,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:13:38,069 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:13:38,070 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:13:38,070 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:13:38,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:13:38,071 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:13:38,072 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:13:38,072 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:13:38,073 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:13:38,074 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:13:38,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:13:38,077 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:13:38,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:13:38,078 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:13:38,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:13:38,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:13:38,080 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:13:38,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:13:38,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:13:38,082 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:13:38,083 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:13:38,083 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:13:38,084 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:13:38,084 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:13:38,084 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:13:38,085 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:13:38,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:13:38,086 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:13:38,086 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 02:13:38,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:13:38,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:13:38,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:13:38,097 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:13:38,097 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:13:38,097 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:13:38,097 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:13:38,097 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:13:38,097 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:13:38,098 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:13:38,098 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 02:13:38,098 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:13:38,098 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:13:38,098 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:13:38,099 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:13:38,099 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:13:38,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:13:38,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:13:38,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:13:38,100 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:13:38,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:13:38,100 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:13:38,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:13:38,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:13:38,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:13:38,101 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:13:38,101 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:13:38,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:13:38,101 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:13:38,101 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:13:38,101 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:13:38,101 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:13:38,102 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:13:38,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:13:38,102 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:13:38,102 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 02:13:38,102 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 3a7667ce5c93eeac4f22f6c3a45c95f53de299aa [2018-11-23 02:13:38,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:13:38,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:13:38,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:13:38,142 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:13:38,143 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:13:38,143 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 02:13:38,187 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data/7128f39cf/0278a66be6844d9f8b1b251d01d12d58/FLAG8d73d8a18 [2018-11-23 02:13:38,705 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:13:38,706 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 02:13:38,733 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data/7128f39cf/0278a66be6844d9f8b1b251d01d12d58/FLAG8d73d8a18 [2018-11-23 02:13:39,210 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data/7128f39cf/0278a66be6844d9f8b1b251d01d12d58 [2018-11-23 02:13:39,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:13:39,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:13:39,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:13:39,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:13:39,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:13:39,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:39" (1/1) ... [2018-11-23 02:13:39,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b749862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:39, skipping insertion in model container [2018-11-23 02:13:39,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:39" (1/1) ... [2018-11-23 02:13:39,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:13:39,306 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:13:40,902 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:13:40,922 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:13:41,130 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:13:41,334 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:13:41,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41 WrapperNode [2018-11-23 02:13:41,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:13:41,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:13:41,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:13:41,335 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:13:41,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... [2018-11-23 02:13:41,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... [2018-11-23 02:13:41,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:13:41,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:13:41,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:13:41,405 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:13:41,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... [2018-11-23 02:13:41,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... [2018-11-23 02:13:41,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... [2018-11-23 02:13:41,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... [2018-11-23 02:13:41,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... [2018-11-23 02:13:41,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... [2018-11-23 02:13:41,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... [2018-11-23 02:13:41,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:13:41,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:13:41,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:13:41,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:13:41,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:13:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2018-11-23 02:13:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_fir_interrupt [2018-11-23 02:13:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_fir_interrupt [2018-11-23 02:13:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_fir_change_speed [2018-11-23 02:13:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_fir_change_speed [2018-11-23 02:13:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure async_unwrap_char [2018-11-23 02:13:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_37 [2018-11-23 02:13:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_37 [2018-11-23 02:13:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2018-11-23 02:13:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2018-11-23 02:13:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2018-11-23 02:13:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2018-11-23 02:13:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 02:13:41,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 02:13:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 02:13:41,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 02:13:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2018-11-23 02:13:41,654 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2018-11-23 02:13:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2018-11-23 02:13:41,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2018-11-23 02:13:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2018-11-23 02:13:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure irda_qos_bits_to_value [2018-11-23 02:13:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2018-11-23 02:13:41,654 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2018-11-23 02:13:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_setup [2018-11-23 02:13:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_setup [2018-11-23 02:13:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2018-11-23 02:13:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2018-11-23 02:13:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 02:13:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_interrupt [2018-11-23 02:13:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_interrupt [2018-11-23 02:13:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2018-11-23 02:13:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2018-11-23 02:13:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_receive_complete [2018-11-23 02:13:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_receive_complete [2018-11-23 02:13:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_change_speed [2018-11-23 02:13:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_change_speed [2018-11-23 02:13:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure irda_init_max_qos_capabilies [2018-11-23 02:13:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_close [2018-11-23 02:13:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_close [2018-11-23 02:13:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2018-11-23 02:13:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_is_receiving [2018-11-23 02:13:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_is_receiving [2018-11-23 02:13:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_interrupt [2018-11-23 02:13:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_interrupt [2018-11-23 02:13:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 02:13:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 02:13:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2018-11-23 02:13:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 02:13:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 02:13:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2018-11-23 02:13:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2018-11-23 02:13:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 02:13:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 02:13:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2018-11-23 02:13:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2018-11-23 02:13:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_suspend [2018-11-23 02:13:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_suspend [2018-11-23 02:13:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_46 [2018-11-23 02:13:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_46 [2018-11-23 02:13:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_45 [2018-11-23 02:13:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_45 [2018-11-23 02:13:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2018-11-23 02:13:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2018-11-23 02:13:41,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-11-23 02:13:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-11-23 02:13:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:13:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:13:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 02:13:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 02:13:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2018-11-23 02:13:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure switch_bank [2018-11-23 02:13:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_bank [2018-11-23 02:13:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2018-11-23 02:13:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2018-11-23 02:13:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2018-11-23 02:13:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2018-11-23 02:13:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-11-23 02:13:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-11-23 02:13:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-23 02:13:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-23 02:13:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2018-11-23 02:13:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2018-11-23 02:13:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_init_53 [2018-11-23 02:13:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_init_53 [2018-11-23 02:13:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 02:13:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2018-11-23 02:13:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2018-11-23 02:13:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2018-11-23 02:13:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_remove_4 [2018-11-23 02:13:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2018-11-23 02:13:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2018-11-23 02:13:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 02:13:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 02:13:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_hard_xmit [2018-11-23 02:13:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_hard_xmit [2018-11-23 02:13:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_receive [2018-11-23 02:13:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_receive [2018-11-23 02:13:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_init_43 [2018-11-23 02:13:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_init_43 [2018-11-23 02:13:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 02:13:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_divns [2018-11-23 02:13:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_divns [2018-11-23 02:13:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:13:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 02:13:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2018-11-23 02:13:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_to_us [2018-11-23 02:13:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_to_us [2018-11-23 02:13:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_ioctl [2018-11-23 02:13:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_ioctl [2018-11-23 02:13:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure SetCOMInterrupts [2018-11-23 02:13:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure SetCOMInterrupts [2018-11-23 02:13:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2018-11-23 02:13:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-11-23 02:13:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-11-23 02:13:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2018-11-23 02:13:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2018-11-23 02:13:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-11-23 02:13:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-11-23 02:13:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 02:13:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 02:13:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_change_dongle_speed [2018-11-23 02:13:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_change_dongle_speed [2018-11-23 02:13:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure SIR2FIR [2018-11-23 02:13:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure SIR2FIR [2018-11-23 02:13:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_xmit_complete [2018-11-23 02:13:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_xmit_complete [2018-11-23 02:13:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2018-11-23 02:13:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2018-11-23 02:13:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_44 [2018-11-23 02:13:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_44 [2018-11-23 02:13:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 02:13:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 02:13:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure async_wrap_skb [2018-11-23 02:13:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 02:13:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_mtt [2018-11-23 02:13:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_mtt [2018-11-23 02:13:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2018-11-23 02:13:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2018-11-23 02:13:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 02:13:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2018-11-23 02:13:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2018-11-23 02:13:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2018-11-23 02:13:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2018-11-23 02:13:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_cleanup [2018-11-23 02:13:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_cleanup [2018-11-23 02:13:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2018-11-23 02:13:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2018-11-23 02:13:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2018-11-23 02:13:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2018-11-23 02:13:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:13:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_close [2018-11-23 02:13:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_close [2018-11-23 02:13:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 02:13:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-11-23 02:13:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 02:13:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2018-11-23 02:13:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2018-11-23 02:13:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_write_wakeup [2018-11-23 02:13:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_write_wakeup [2018-11-23 02:13:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-11-23 02:13:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-11-23 02:13:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2018-11-23 02:13:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_read_dongle_id [2018-11-23 02:13:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_read_dongle_id [2018-11-23 02:13:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_38 [2018-11-23 02:13:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_38 [2018-11-23 02:13:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_xmit [2018-11-23 02:13:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_xmit [2018-11-23 02:13:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_39 [2018-11-23 02:13:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_39 [2018-11-23 02:13:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2018-11-23 02:13:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2018-11-23 02:13:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 02:13:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 02:13:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2018-11-23 02:13:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 02:13:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 02:13:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2018-11-23 02:13:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2018-11-23 02:13:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2018-11-23 02:13:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_open [2018-11-23 02:13:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_open [2018-11-23 02:13:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2018-11-23 02:13:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_all_tx_empty [2018-11-23 02:13:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_all_tx_empty [2018-11-23 02:13:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 02:13:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2018-11-23 02:13:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2018-11-23 02:13:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2018-11-23 02:13:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2018-11-23 02:13:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_receive [2018-11-23 02:13:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_receive [2018-11-23 02:13:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2018-11-23 02:13:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2018-11-23 02:13:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2018-11-23 02:13:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2018-11-23 02:13:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2018-11-23 02:13:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2018-11-23 02:13:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 02:13:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 02:13:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2018-11-23 02:13:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2018-11-23 02:13:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_write [2018-11-23 02:13:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_write [2018-11-23 02:13:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2018-11-23 02:13:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2018-11-23 02:13:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2018-11-23 02:13:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 02:13:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 02:13:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_irdadev [2018-11-23 02:13:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 02:13:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 02:13:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_open [2018-11-23 02:13:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_open [2018-11-23 02:13:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_init [2018-11-23 02:13:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_init [2018-11-23 02:13:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2018-11-23 02:13:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:13:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:13:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-23 02:13:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 02:13:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2018-11-23 02:13:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2018-11-23 02:13:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2018-11-23 02:13:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2018-11-23 02:13:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2018-11-23 02:13:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_fir_hard_xmit [2018-11-23 02:13:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_fir_hard_xmit [2018-11-23 02:13:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 02:13:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2018-11-23 02:13:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2018-11-23 02:13:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2018-11-23 02:13:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2018-11-23 02:13:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_4 [2018-11-23 02:13:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_4 [2018-11-23 02:13:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure FIR2SIR [2018-11-23 02:13:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure FIR2SIR [2018-11-23 02:13:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 02:13:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-11-23 02:13:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-11-23 02:13:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2018-11-23 02:13:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2018-11-23 02:13:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_probe_53 [2018-11-23 02:13:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_probe_53 [2018-11-23 02:13:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2018-11-23 02:13:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2018-11-23 02:13:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2018-11-23 02:13:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2018-11-23 02:13:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2018-11-23 02:13:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2018-11-23 02:13:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_change_speed [2018-11-23 02:13:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_change_speed [2018-11-23 02:13:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2018-11-23 02:13:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2018-11-23 02:13:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 02:13:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-23 02:13:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2018-11-23 02:13:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2018-11-23 02:13:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2018-11-23 02:13:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 02:13:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 02:13:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_40 [2018-11-23 02:13:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_40 [2018-11-23 02:13:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-23 02:13:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-23 02:13:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2018-11-23 02:13:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2018-11-23 02:13:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 02:13:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 02:13:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2018-11-23 02:13:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2018-11-23 02:13:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 02:13:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:13:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_resume [2018-11-23 02:13:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_resume [2018-11-23 02:13:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2018-11-23 02:13:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2018-11-23 02:13:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2018-11-23 02:13:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2018-11-23 02:13:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 02:13:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-11-23 02:13:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2018-11-23 02:13:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2018-11-23 02:13:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_open [2018-11-23 02:13:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_set_media_busy [2018-11-23 02:13:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:13:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:13:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2018-11-23 02:13:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2018-11-23 02:13:53,340 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:13:53,340 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 02:13:53,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:53 BoogieIcfgContainer [2018-11-23 02:13:53,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:13:53,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:13:53,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:13:53,344 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:13:53,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:13:39" (1/3) ... [2018-11-23 02:13:53,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a8bf1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:53, skipping insertion in model container [2018-11-23 02:13:53,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:41" (2/3) ... [2018-11-23 02:13:53,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a8bf1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:53, skipping insertion in model container [2018-11-23 02:13:53,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:53" (3/3) ... [2018-11-23 02:13:53,347 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 02:13:53,353 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:13:53,360 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:13:53,370 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:13:53,401 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:13:53,401 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:13:53,401 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:13:53,401 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:13:53,401 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:13:53,401 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:13:53,401 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:13:53,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:13:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states. [2018-11-23 02:13:53,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 02:13:53,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:13:53,453 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:13:53,455 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:13:53,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:13:53,459 INFO L82 PathProgramCache]: Analyzing trace with hash 781389454, now seen corresponding path program 1 times [2018-11-23 02:13:53,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:13:53,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:13:53,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:13:53,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:13:53,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:13:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:13:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 02:13:54,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:13:54,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:13:54,417 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:13:54,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:13:54,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:13:54,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:13:54,432 INFO L87 Difference]: Start difference. First operand 1489 states. Second operand 5 states. [2018-11-23 02:13:54,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:13:54,753 INFO L93 Difference]: Finished difference Result 4419 states and 6410 transitions. [2018-11-23 02:13:54,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:13:54,754 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2018-11-23 02:13:54,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:13:54,781 INFO L225 Difference]: With dead ends: 4419 [2018-11-23 02:13:54,782 INFO L226 Difference]: Without dead ends: 2855 [2018-11-23 02:13:54,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:13:54,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states. [2018-11-23 02:13:54,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2842. [2018-11-23 02:13:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2842 states. [2018-11-23 02:13:54,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 4105 transitions. [2018-11-23 02:13:54,993 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 4105 transitions. Word has length 227 [2018-11-23 02:13:54,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:13:54,994 INFO L480 AbstractCegarLoop]: Abstraction has 2842 states and 4105 transitions. [2018-11-23 02:13:54,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:13:54,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 4105 transitions. [2018-11-23 02:13:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-23 02:13:55,006 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:13:55,007 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:13:55,007 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:13:55,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:13:55,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1684957805, now seen corresponding path program 1 times [2018-11-23 02:13:55,008 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:13:55,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:13:55,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:13:55,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:13:55,016 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:13:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:13:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 02:13:55,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:13:55,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:13:55,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:13:55,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:13:55,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:13:55,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:13:55,531 INFO L87 Difference]: Start difference. First operand 2842 states and 4105 transitions. Second operand 5 states. [2018-11-23 02:13:55,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:13:55,835 INFO L93 Difference]: Finished difference Result 8496 states and 12353 transitions. [2018-11-23 02:13:55,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:13:55,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2018-11-23 02:13:55,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:13:55,864 INFO L225 Difference]: With dead ends: 8496 [2018-11-23 02:13:55,864 INFO L226 Difference]: Without dead ends: 5679 [2018-11-23 02:13:55,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:13:55,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5679 states. [2018-11-23 02:13:56,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5679 to 5658. [2018-11-23 02:13:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5658 states. [2018-11-23 02:13:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5658 states to 5658 states and 8209 transitions. [2018-11-23 02:13:56,114 INFO L78 Accepts]: Start accepts. Automaton has 5658 states and 8209 transitions. Word has length 228 [2018-11-23 02:13:56,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:13:56,114 INFO L480 AbstractCegarLoop]: Abstraction has 5658 states and 8209 transitions. [2018-11-23 02:13:56,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:13:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5658 states and 8209 transitions. [2018-11-23 02:13:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 02:13:56,128 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:13:56,128 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:13:56,128 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:13:56,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:13:56,129 INFO L82 PathProgramCache]: Analyzing trace with hash -191882165, now seen corresponding path program 1 times [2018-11-23 02:13:56,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:13:56,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:13:56,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:13:56,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:13:56,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:13:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:13:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 02:13:56,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:13:56,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:13:56,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:13:56,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:13:56,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:13:56,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:13:56,617 INFO L87 Difference]: Start difference. First operand 5658 states and 8209 transitions. Second operand 5 states. [2018-11-23 02:13:57,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:13:57,182 INFO L93 Difference]: Finished difference Result 16967 states and 24769 transitions. [2018-11-23 02:13:57,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:13:57,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2018-11-23 02:13:57,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:13:57,247 INFO L225 Difference]: With dead ends: 16967 [2018-11-23 02:13:57,247 INFO L226 Difference]: Without dead ends: 11334 [2018-11-23 02:13:57,269 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:13:57,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11334 states. [2018-11-23 02:13:57,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11334 to 11295. [2018-11-23 02:13:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11295 states. [2018-11-23 02:13:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11295 states to 11295 states and 16455 transitions. [2018-11-23 02:13:57,787 INFO L78 Accepts]: Start accepts. Automaton has 11295 states and 16455 transitions. Word has length 229 [2018-11-23 02:13:57,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:13:57,788 INFO L480 AbstractCegarLoop]: Abstraction has 11295 states and 16455 transitions. [2018-11-23 02:13:57,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:13:57,788 INFO L276 IsEmpty]: Start isEmpty. Operand 11295 states and 16455 transitions. [2018-11-23 02:13:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-23 02:13:57,802 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:13:57,802 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:13:57,803 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:13:57,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:13:57,803 INFO L82 PathProgramCache]: Analyzing trace with hash -510748240, now seen corresponding path program 1 times [2018-11-23 02:13:57,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:13:57,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:13:57,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:13:57,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:13:57,806 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:13:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:13:58,248 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 02:13:58,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:13:58,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:13:58,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:13:58,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:13:58,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:13:58,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:13:58,249 INFO L87 Difference]: Start difference. First operand 11295 states and 16455 transitions. Second operand 5 states. [2018-11-23 02:13:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:13:58,992 INFO L93 Difference]: Finished difference Result 33474 states and 49052 transitions. [2018-11-23 02:13:58,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:13:58,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2018-11-23 02:13:58,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:13:59,104 INFO L225 Difference]: With dead ends: 33474 [2018-11-23 02:13:59,104 INFO L226 Difference]: Without dead ends: 22204 [2018-11-23 02:13:59,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:13:59,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22204 states. [2018-11-23 02:14:00,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22204 to 22132. [2018-11-23 02:14:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22132 states. [2018-11-23 02:14:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22132 states to 22132 states and 32370 transitions. [2018-11-23 02:14:00,169 INFO L78 Accepts]: Start accepts. Automaton has 22132 states and 32370 transitions. Word has length 230 [2018-11-23 02:14:00,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:14:00,169 INFO L480 AbstractCegarLoop]: Abstraction has 22132 states and 32370 transitions. [2018-11-23 02:14:00,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:14:00,169 INFO L276 IsEmpty]: Start isEmpty. Operand 22132 states and 32370 transitions. [2018-11-23 02:14:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 02:14:00,187 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:14:00,188 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:14:00,188 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:14:00,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:14:00,188 INFO L82 PathProgramCache]: Analyzing trace with hash -35216166, now seen corresponding path program 1 times [2018-11-23 02:14:00,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:14:00,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:14:00,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:14:00,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:14:00,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:14:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:14:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-11-23 02:14:00,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:14:00,910 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:14:00,911 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-23 02:14:00,912 INFO L202 CegarAbsIntRunner]: [0], [3], [5], [7], [9], [12], [16], [18], [21], [25], [27], [32], [34], [36], [39], [46], [77], [79], [82], [86], [99], [288], [289], [298], [577], [578], [579], [582], [595], [597], [645], [647], [650], [738], [765], [767], [785], [834], [837], [998], [1000], [1002], [1005], [1020], [1072], [1078], [1079], [1140], [1146], [1147], [1189], [1191], [1192], [1295], [1296], [1297], [1299], [1300], [1400], [1402], [1530], [1532], [1534], [1536], [1538], [1540], [1542], [1544], [1546], [1661], [1664], [1667], [2183], [2188], [2191], [2194], [2197], [2213], [2215], [2216], [2420], [2421], [2561], [2563], [2566], [2591], [2593], [2600], [2603], [2604], [2605], [2608], [2610], [2643], [2644], [2647], [2672], [2673], [2674], [2675], [2676], [2677], [2935], [2936], [2937], [2938], [2939], [2940], [2941], [2942], [2943], [2944], [2945], [2946], [2947], [2948], [2949], [2950], [2951], [2952], [2961], [2962], [2965], [3021], [3147], [3148], [3149], [3150], [3195], [3231], [3271], [3272], [3273], [3274], [3275], [3289], [3303], [3304], [3317], [3318], [3335], [3336], [3379], [3380], [3381], [3382], [3383], [3384], [3385], [3386], [3387], [3388], [3389], [3390], [3391], [3392], [3399], [3400], [3495], [3499], [3663], [3664], [3669], [3670], [3671], [3672], [3681], [3682], [3683], [3684], [3783], [3784], [3785] [2018-11-23 02:14:00,959 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:14:00,959 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:14:07,612 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-23 02:14:07,615 INFO L168 Benchmark]: Toolchain (without parser) took 28401.68 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 945.7 MB in the beginning and 1.5 GB in the end (delta: -526.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 02:14:07,616 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:14:07,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2120.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 945.7 MB in the beginning and 986.0 MB in the end (delta: -40.3 MB). Peak memory consumption was 193.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:14:07,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.11 ms. Allocated memory is still 1.2 GB. Free memory was 986.0 MB in the beginning and 982.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:14:07,617 INFO L168 Benchmark]: Boogie Preprocessor took 194.91 ms. Allocated memory is still 1.2 GB. Free memory was 982.0 MB in the beginning and 937.3 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:14:07,618 INFO L168 Benchmark]: RCFGBuilder took 11740.53 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 761.3 MB). Free memory was 937.3 MB in the beginning and 1.9 GB in the end (delta: -952.1 MB). Peak memory consumption was 890.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:14:07,618 INFO L168 Benchmark]: TraceAbstraction took 14272.73 ms. Allocated memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: 982.5 MB). Free memory was 1.9 GB in the beginning and 1.5 GB in the end (delta: 417.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 02:14:07,621 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2120.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 945.7 MB in the beginning and 986.0 MB in the end (delta: -40.3 MB). Peak memory consumption was 193.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.11 ms. Allocated memory is still 1.2 GB. Free memory was 986.0 MB in the beginning and 982.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 194.91 ms. Allocated memory is still 1.2 GB. Free memory was 982.0 MB in the beginning and 937.3 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11740.53 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 761.3 MB). Free memory was 937.3 MB in the beginning and 1.9 GB in the end (delta: -952.1 MB). Peak memory consumption was 890.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14272.73 ms. Allocated memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: 982.5 MB). Free memory was 1.9 GB in the beginning and 1.5 GB in the end (delta: 417.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 02:14:09,108 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:14:09,109 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:14:09,117 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:14:09,117 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:14:09,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:14:09,118 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:14:09,119 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:14:09,120 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:14:09,121 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:14:09,122 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:14:09,122 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:14:09,123 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:14:09,124 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:14:09,124 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:14:09,125 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:14:09,126 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:14:09,127 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:14:09,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:14:09,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:14:09,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:14:09,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:14:09,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:14:09,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:14:09,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:14:09,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:14:09,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:14:09,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:14:09,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:14:09,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:14:09,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:14:09,138 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:14:09,138 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:14:09,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:14:09,139 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:14:09,140 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:14:09,140 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 02:14:09,151 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:14:09,152 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:14:09,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:14:09,152 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:14:09,152 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:14:09,153 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:14:09,153 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:14:09,153 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:14:09,153 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:14:09,153 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:14:09,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:14:09,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:14:09,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:14:09,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:14:09,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:14:09,155 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 02:14:09,155 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 02:14:09,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:14:09,155 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:14:09,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:14:09,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:14:09,156 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:14:09,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:14:09,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:14:09,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:14:09,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:14:09,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:14:09,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:14:09,157 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 02:14:09,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:14:09,157 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 02:14:09,157 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 02:14:09,157 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 3a7667ce5c93eeac4f22f6c3a45c95f53de299aa [2018-11-23 02:14:09,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:14:09,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:14:09,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:14:09,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:14:09,202 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:14:09,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 02:14:09,247 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data/9e3f85ed1/09ca97e69c1646f4b1fd14dde3e5ac25/FLAG061be6cff [2018-11-23 02:14:09,764 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:14:09,765 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 02:14:09,793 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data/9e3f85ed1/09ca97e69c1646f4b1fd14dde3e5ac25/FLAG061be6cff [2018-11-23 02:14:10,221 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/data/9e3f85ed1/09ca97e69c1646f4b1fd14dde3e5ac25 [2018-11-23 02:14:10,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:14:10,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:14:10,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:14:10,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:14:10,229 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:14:10,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:10" (1/1) ... [2018-11-23 02:14:10,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1a839f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:10, skipping insertion in model container [2018-11-23 02:14:10,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:10" (1/1) ... [2018-11-23 02:14:10,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:14:10,335 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:14:11,954 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:14:11,979 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:14:12,218 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:14:12,440 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:14:12,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12 WrapperNode [2018-11-23 02:14:12,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:14:12,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:14:12,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:14:12,441 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:14:12,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... [2018-11-23 02:14:12,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... [2018-11-23 02:14:12,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:14:12,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:14:12,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:14:12,510 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:14:12,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... [2018-11-23 02:14:12,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... [2018-11-23 02:14:12,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... [2018-11-23 02:14:12,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... [2018-11-23 02:14:12,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... [2018-11-23 02:14:12,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... [2018-11-23 02:14:12,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... [2018-11-23 02:14:12,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:14:12,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:14:12,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:14:12,676 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:14:12,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:14:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2018-11-23 02:14:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_fir_interrupt [2018-11-23 02:14:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_fir_interrupt [2018-11-23 02:14:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_fir_change_speed [2018-11-23 02:14:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_fir_change_speed [2018-11-23 02:14:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure async_unwrap_char [2018-11-23 02:14:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_37 [2018-11-23 02:14:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_37 [2018-11-23 02:14:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2018-11-23 02:14:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 02:14:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2018-11-23 02:14:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 02:14:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2018-11-23 02:14:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2018-11-23 02:14:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 02:14:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 02:14:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 02:14:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 02:14:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 02:14:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 02:14:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2018-11-23 02:14:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2018-11-23 02:14:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2018-11-23 02:14:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2018-11-23 02:14:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2018-11-23 02:14:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure irda_qos_bits_to_value [2018-11-23 02:14:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2018-11-23 02:14:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2018-11-23 02:14:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_setup [2018-11-23 02:14:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_setup [2018-11-23 02:14:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2018-11-23 02:14:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2018-11-23 02:14:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 02:14:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_interrupt [2018-11-23 02:14:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_interrupt [2018-11-23 02:14:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2018-11-23 02:14:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2018-11-23 02:14:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_receive_complete [2018-11-23 02:14:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_receive_complete [2018-11-23 02:14:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_change_speed [2018-11-23 02:14:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_change_speed [2018-11-23 02:14:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure irda_init_max_qos_capabilies [2018-11-23 02:14:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_close [2018-11-23 02:14:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_close [2018-11-23 02:14:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2018-11-23 02:14:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_is_receiving [2018-11-23 02:14:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_is_receiving [2018-11-23 02:14:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_interrupt [2018-11-23 02:14:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_interrupt [2018-11-23 02:14:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 02:14:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 02:14:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2018-11-23 02:14:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 02:14:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 02:14:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2018-11-23 02:14:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2018-11-23 02:14:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 02:14:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 02:14:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2018-11-23 02:14:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2018-11-23 02:14:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_suspend [2018-11-23 02:14:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_suspend [2018-11-23 02:14:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_46 [2018-11-23 02:14:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_46 [2018-11-23 02:14:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_45 [2018-11-23 02:14:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_45 [2018-11-23 02:14:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2018-11-23 02:14:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2018-11-23 02:14:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-11-23 02:14:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-11-23 02:14:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:14:12,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:14:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 02:14:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 02:14:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2018-11-23 02:14:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure switch_bank [2018-11-23 02:14:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_bank [2018-11-23 02:14:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2018-11-23 02:14:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2018-11-23 02:14:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2018-11-23 02:14:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2018-11-23 02:14:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-11-23 02:14:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-23 02:14:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2018-11-23 02:14:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_init_53 [2018-11-23 02:14:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_init_53 [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2018-11-23 02:14:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_remove_4 [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2018-11-23 02:14:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 02:14:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 02:14:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_hard_xmit [2018-11-23 02:14:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_hard_xmit [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_receive [2018-11-23 02:14:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_receive [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_init_43 [2018-11-23 02:14:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_init_43 [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_divns [2018-11-23 02:14:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_divns [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 02:14:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 02:14:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2018-11-23 02:14:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 02:14:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_to_us [2018-11-23 02:14:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_to_us [2018-11-23 02:14:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_ioctl [2018-11-23 02:14:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_ioctl [2018-11-23 02:14:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure SetCOMInterrupts [2018-11-23 02:14:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure SetCOMInterrupts [2018-11-23 02:14:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2018-11-23 02:14:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-11-23 02:14:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-11-23 02:14:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2018-11-23 02:14:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2018-11-23 02:14:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-11-23 02:14:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-11-23 02:14:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 02:14:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 02:14:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_change_dongle_speed [2018-11-23 02:14:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_change_dongle_speed [2018-11-23 02:14:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure SIR2FIR [2018-11-23 02:14:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure SIR2FIR [2018-11-23 02:14:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_xmit_complete [2018-11-23 02:14:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_xmit_complete [2018-11-23 02:14:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2018-11-23 02:14:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2018-11-23 02:14:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_44 [2018-11-23 02:14:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_44 [2018-11-23 02:14:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 02:14:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 02:14:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure async_wrap_skb [2018-11-23 02:14:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 02:14:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_mtt [2018-11-23 02:14:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_mtt [2018-11-23 02:14:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2018-11-23 02:14:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2018-11-23 02:14:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2018-11-23 02:14:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2018-11-23 02:14:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2018-11-23 02:14:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2018-11-23 02:14:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_cleanup [2018-11-23 02:14:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_cleanup [2018-11-23 02:14:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2018-11-23 02:14:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2018-11-23 02:14:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2018-11-23 02:14:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2018-11-23 02:14:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:14:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_close [2018-11-23 02:14:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_close [2018-11-23 02:14:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 02:14:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-11-23 02:14:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2018-11-23 02:14:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2018-11-23 02:14:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_write_wakeup [2018-11-23 02:14:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_write_wakeup [2018-11-23 02:14:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-11-23 02:14:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-11-23 02:14:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2018-11-23 02:14:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_read_dongle_id [2018-11-23 02:14:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_read_dongle_id [2018-11-23 02:14:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_38 [2018-11-23 02:14:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_38 [2018-11-23 02:14:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_dma_xmit [2018-11-23 02:14:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_dma_xmit [2018-11-23 02:14:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_39 [2018-11-23 02:14:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_39 [2018-11-23 02:14:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2018-11-23 02:14:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2018-11-23 02:14:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 02:14:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 02:14:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2018-11-23 02:14:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 02:14:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 02:14:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2018-11-23 02:14:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2018-11-23 02:14:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2018-11-23 02:14:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_net_open [2018-11-23 02:14:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_net_open [2018-11-23 02:14:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2018-11-23 02:14:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_all_tx_empty [2018-11-23 02:14:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_all_tx_empty [2018-11-23 02:14:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2018-11-23 02:14:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2018-11-23 02:14:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2018-11-23 02:14:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2018-11-23 02:14:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_receive [2018-11-23 02:14:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_receive [2018-11-23 02:14:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2018-11-23 02:14:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2018-11-23 02:14:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 02:14:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2018-11-23 02:14:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2018-11-23 02:14:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 02:14:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 02:14:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 02:14:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2018-11-23 02:14:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2018-11-23 02:14:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-23 02:14:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-23 02:14:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 02:14:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 02:14:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2018-11-23 02:14:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2018-11-23 02:14:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_sir_write [2018-11-23 02:14:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_sir_write [2018-11-23 02:14:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2018-11-23 02:14:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2018-11-23 02:14:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2018-11-23 02:14:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 02:14:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 02:14:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_irdadev [2018-11-23 02:14:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 02:14:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 02:14:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_open [2018-11-23 02:14:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_open [2018-11-23 02:14:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_init [2018-11-23 02:14:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_init [2018-11-23 02:14:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2018-11-23 02:14:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:14:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:14:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-23 02:14:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 02:14:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2018-11-23 02:14:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2018-11-23 02:14:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2018-11-23 02:14:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2018-11-23 02:14:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2018-11-23 02:14:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_fir_hard_xmit [2018-11-23 02:14:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_fir_hard_xmit [2018-11-23 02:14:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 02:14:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2018-11-23 02:14:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2018-11-23 02:14:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2018-11-23 02:14:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2018-11-23 02:14:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_4 [2018-11-23 02:14:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_4 [2018-11-23 02:14:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure FIR2SIR [2018-11-23 02:14:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure FIR2SIR [2018-11-23 02:14:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 02:14:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-11-23 02:14:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-11-23 02:14:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2018-11-23 02:14:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2018-11-23 02:14:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_probe_53 [2018-11-23 02:14:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_probe_53 [2018-11-23 02:14:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2018-11-23 02:14:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2018-11-23 02:14:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2018-11-23 02:14:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2018-11-23 02:14:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2018-11-23 02:14:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2018-11-23 02:14:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_change_speed [2018-11-23 02:14:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_change_speed [2018-11-23 02:14:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2018-11-23 02:14:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2018-11-23 02:14:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 02:14:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-23 02:14:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2018-11-23 02:14:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2018-11-23 02:14:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2018-11-23 02:14:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 02:14:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 02:14:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_40 [2018-11-23 02:14:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_40 [2018-11-23 02:14:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2018-11-23 02:14:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2018-11-23 02:14:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 02:14:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 02:14:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2018-11-23 02:14:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2018-11-23 02:14:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 02:14:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure ali_ircc_resume [2018-11-23 02:14:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ali_ircc_resume [2018-11-23 02:14:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2018-11-23 02:14:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2018-11-23 02:14:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2018-11-23 02:14:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2018-11-23 02:14:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 02:14:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-11-23 02:14:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2018-11-23 02:14:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2018-11-23 02:14:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_open [2018-11-23 02:14:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_set_media_busy [2018-11-23 02:14:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:14:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:14:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2018-11-23 02:14:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2018-11-23 02:15:35,971 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:15:35,971 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 02:15:35,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:35 BoogieIcfgContainer [2018-11-23 02:15:35,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:15:35,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:15:35,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:15:35,974 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:15:35,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:14:10" (1/3) ... [2018-11-23 02:15:35,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4196869c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:15:35, skipping insertion in model container [2018-11-23 02:15:35,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:12" (2/3) ... [2018-11-23 02:15:35,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4196869c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:15:35, skipping insertion in model container [2018-11-23 02:15:35,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:35" (3/3) ... [2018-11-23 02:15:35,976 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 02:15:35,983 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:15:35,989 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:15:36,000 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:15:36,025 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:15:36,026 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:15:36,026 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:15:36,026 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:15:36,026 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:15:36,026 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:15:36,026 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:15:36,026 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:15:36,026 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:15:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states. [2018-11-23 02:15:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 02:15:36,081 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:15:36,082 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:15:36,084 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:15:36,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:15:36,088 INFO L82 PathProgramCache]: Analyzing trace with hash 113162670, now seen corresponding path program 1 times [2018-11-23 02:15:36,093 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:15:36,094 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:15:36,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:15:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:15:38,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:15:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 02:15:38,836 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:15:38,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:15:38,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:15:38,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:15:38,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:15:38,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:15:38,866 INFO L87 Difference]: Start difference. First operand 1489 states. Second operand 3 states. [2018-11-23 02:15:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:15:42,370 INFO L93 Difference]: Finished difference Result 2803 states and 4037 transitions. [2018-11-23 02:15:42,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:15:42,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2018-11-23 02:15:42,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:15:42,395 INFO L225 Difference]: With dead ends: 2803 [2018-11-23 02:15:42,395 INFO L226 Difference]: Without dead ends: 1242 [2018-11-23 02:15:42,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:15:42,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2018-11-23 02:15:42,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1242. [2018-11-23 02:15:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1242 states. [2018-11-23 02:15:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 1779 transitions. [2018-11-23 02:15:42,528 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 1779 transitions. Word has length 227 [2018-11-23 02:15:42,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:15:42,530 INFO L480 AbstractCegarLoop]: Abstraction has 1242 states and 1779 transitions. [2018-11-23 02:15:42,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:15:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1779 transitions. [2018-11-23 02:15:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 02:15:42,538 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:15:42,539 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:15:42,539 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:15:42,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:15:42,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1166701008, now seen corresponding path program 1 times [2018-11-23 02:15:42,542 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:15:42,542 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:15:42,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:15:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:15:44,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:15:44,930 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 02:15:44,930 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:15:44,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:15:44,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:15:44,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:15:44,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:15:44,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:15:44,942 INFO L87 Difference]: Start difference. First operand 1242 states and 1779 transitions. Second operand 5 states. [2018-11-23 02:15:45,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:15:45,189 INFO L93 Difference]: Finished difference Result 3682 states and 5316 transitions. [2018-11-23 02:15:45,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:15:45,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2018-11-23 02:15:45,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:15:45,203 INFO L225 Difference]: With dead ends: 3682 [2018-11-23 02:15:45,204 INFO L226 Difference]: Without dead ends: 2465 [2018-11-23 02:15:45,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:15:45,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2465 states. [2018-11-23 02:15:45,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 2452. [2018-11-23 02:15:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2452 states. [2018-11-23 02:15:45,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 2452 states and 3533 transitions. [2018-11-23 02:15:45,331 INFO L78 Accepts]: Start accepts. Automaton has 2452 states and 3533 transitions. Word has length 227 [2018-11-23 02:15:45,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:15:45,331 INFO L480 AbstractCegarLoop]: Abstraction has 2452 states and 3533 transitions. [2018-11-23 02:15:45,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:15:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 3533 transitions. [2018-11-23 02:15:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-23 02:15:45,348 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:15:45,348 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:15:45,350 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:15:45,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:15:45,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1463027333, now seen corresponding path program 1 times [2018-11-23 02:15:45,352 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:15:45,352 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:15:45,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:15:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:15:47,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:15:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 02:15:47,952 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:15:47,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:15:47,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:15:47,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:15:47,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:15:47,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:15:47,963 INFO L87 Difference]: Start difference. First operand 2452 states and 3533 transitions. Second operand 5 states. [2018-11-23 02:15:48,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:15:48,314 INFO L93 Difference]: Finished difference Result 7326 states and 10637 transitions. [2018-11-23 02:15:48,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:15:48,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2018-11-23 02:15:48,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:15:48,331 INFO L225 Difference]: With dead ends: 7326 [2018-11-23 02:15:48,331 INFO L226 Difference]: Without dead ends: 4899 [2018-11-23 02:15:48,337 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:15:48,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2018-11-23 02:15:48,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 4878. [2018-11-23 02:15:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4878 states. [2018-11-23 02:15:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4878 states to 4878 states and 7065 transitions. [2018-11-23 02:15:48,508 INFO L78 Accepts]: Start accepts. Automaton has 4878 states and 7065 transitions. Word has length 228 [2018-11-23 02:15:48,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:15:48,509 INFO L480 AbstractCegarLoop]: Abstraction has 4878 states and 7065 transitions. [2018-11-23 02:15:48,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:15:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 4878 states and 7065 transitions. [2018-11-23 02:15:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 02:15:48,522 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:15:48,522 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:15:48,522 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:15:48,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:15:48,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2020656621, now seen corresponding path program 1 times [2018-11-23 02:15:48,524 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:15:48,525 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:15:48,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:15:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:15:50,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:15:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 02:15:50,991 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:15:50,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:15:50,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:15:50,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:15:50,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:15:51,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:15:51,000 INFO L87 Difference]: Start difference. First operand 4878 states and 7065 transitions. Second operand 5 states. [2018-11-23 02:15:51,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:15:51,252 INFO L93 Difference]: Finished difference Result 14627 states and 21337 transitions. [2018-11-23 02:15:51,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:15:51,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2018-11-23 02:15:51,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:15:51,286 INFO L225 Difference]: With dead ends: 14627 [2018-11-23 02:15:51,286 INFO L226 Difference]: Without dead ends: 9774 [2018-11-23 02:15:51,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:15:51,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9774 states. [2018-11-23 02:15:51,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9774 to 9735. [2018-11-23 02:15:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9735 states. [2018-11-23 02:15:51,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9735 states to 9735 states and 14167 transitions. [2018-11-23 02:15:51,581 INFO L78 Accepts]: Start accepts. Automaton has 9735 states and 14167 transitions. Word has length 229 [2018-11-23 02:15:51,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:15:51,581 INFO L480 AbstractCegarLoop]: Abstraction has 9735 states and 14167 transitions. [2018-11-23 02:15:51,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:15:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 9735 states and 14167 transitions. [2018-11-23 02:15:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-23 02:15:51,591 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:15:51,592 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:15:51,592 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:15:51,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:15:51,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1527242590, now seen corresponding path program 1 times [2018-11-23 02:15:51,593 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:15:51,594 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:15:51,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:15:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:15:53,921 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:15:53,988 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 02:15:53,988 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:15:53,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:15:53,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:15:53,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:15:53,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:15:53,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:15:53,997 INFO L87 Difference]: Start difference. First operand 9735 states and 14167 transitions. Second operand 5 states. [2018-11-23 02:15:54,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:15:54,631 INFO L93 Difference]: Finished difference Result 28989 states and 42474 transitions. [2018-11-23 02:15:54,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:15:54,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2018-11-23 02:15:54,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:15:54,741 INFO L225 Difference]: With dead ends: 28989 [2018-11-23 02:15:54,741 INFO L226 Difference]: Without dead ends: 19279 [2018-11-23 02:15:54,786 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 02:15:54,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19279 states. [2018-11-23 02:15:55,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19279 to 19207. [2018-11-23 02:15:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19207 states. [2018-11-23 02:15:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19207 states to 19207 states and 28080 transitions. [2018-11-23 02:15:55,591 INFO L78 Accepts]: Start accepts. Automaton has 19207 states and 28080 transitions. Word has length 230 [2018-11-23 02:15:55,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:15:55,591 INFO L480 AbstractCegarLoop]: Abstraction has 19207 states and 28080 transitions. [2018-11-23 02:15:55,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:15:55,592 INFO L276 IsEmpty]: Start isEmpty. Operand 19207 states and 28080 transitions. [2018-11-23 02:15:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 02:15:55,608 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:15:55,609 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:15:55,609 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:15:55,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:15:55,609 INFO L82 PathProgramCache]: Analyzing trace with hash -141519364, now seen corresponding path program 1 times [2018-11-23 02:15:55,611 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:15:55,611 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8b8075-655c-44c5-af3b-2bea2284fa92/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:15:55,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:15:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:15:57,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:15:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-11-23 02:15:58,019 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:15:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-11-23 02:15:58,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:15:58,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 13 [2018-11-23 02:15:58,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 02:15:58,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 02:15:58,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:15:58,312 INFO L87 Difference]: Start difference. First operand 19207 states and 28080 transitions. Second operand 13 states. [2018-11-23 02:16:04,733 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-23 02:16:04,734 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:334) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:258) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:715) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-11-23 02:16:04,737 INFO L168 Benchmark]: Toolchain (without parser) took 114512.31 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 932.9 MB in the beginning and 1.3 GB in the end (delta: -388.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 02:16:04,738 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:16:04,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2214.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 932.9 MB in the beginning and 944.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 183.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:04,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.66 ms. Allocated memory is still 1.2 GB. Free memory was 944.1 MB in the beginning and 938.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:04,739 INFO L168 Benchmark]: Boogie Preprocessor took 166.12 ms. Allocated memory is still 1.2 GB. Free memory was 938.2 MB in the beginning and 890.9 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:04,740 INFO L168 Benchmark]: RCFGBuilder took 83295.41 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 890.9 MB in the beginning and 1.2 GB in the end (delta: -293.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 02:16:04,740 INFO L168 Benchmark]: TraceAbstraction took 28764.32 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 299.4 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -137.2 MB). Peak memory consumption was 162.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:04,743 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2214.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 932.9 MB in the beginning and 944.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 183.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.66 ms. Allocated memory is still 1.2 GB. Free memory was 944.1 MB in the beginning and 938.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 166.12 ms. Allocated memory is still 1.2 GB. Free memory was 938.2 MB in the beginning and 890.9 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 83295.41 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 890.9 MB in the beginning and 1.2 GB in the end (delta: -293.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * TraceAbstraction took 28764.32 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 299.4 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -137.2 MB). Peak memory consumption was 162.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...