./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point_false-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_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/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 31299bfc3ba86bc5db84bf4b0eddff05c227832f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/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 31299bfc3ba86bc5db84bf4b0eddff05c227832f ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:18:45,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:18:45,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:18:45,090 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:18:45,090 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:18:45,091 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:18:45,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:18:45,092 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:18:45,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:18:45,094 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:18:45,095 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:18:45,095 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:18:45,096 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:18:45,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:18:45,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:18:45,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:18:45,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:18:45,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:18:45,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:18:45,102 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:18:45,102 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:18:45,103 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:18:45,105 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:18:45,105 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:18:45,105 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:18:45,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:18:45,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:18:45,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:18:45,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:18:45,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:18:45,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:18:45,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:18:45,109 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:18:45,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:18:45,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:18:45,110 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:18:45,110 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 06:18:45,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:18:45,119 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:18:45,120 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:18:45,120 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:18:45,120 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:18:45,120 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:18:45,120 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:18:45,120 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:18:45,120 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:18:45,121 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:18:45,121 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 06:18:45,121 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:18:45,121 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:18:45,121 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:18:45,121 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:18:45,122 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:18:45,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:18:45,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:18:45,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:18:45,122 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:18:45,122 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:18:45,122 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:18:45,123 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:18:45,123 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:18:45,123 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:18:45,123 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:18:45,123 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:18:45,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:18:45,123 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:18:45,124 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:18:45,124 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:18:45,124 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:18:45,124 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:18:45,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:18:45,124 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:18:45,124 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 06:18:45,124 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_aa190c27-8a0b-45d0-854d-83a7d3139d03/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 -> 31299bfc3ba86bc5db84bf4b0eddff05c227832f [2018-11-23 06:18:45,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:18:45,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:18:45,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:18:45,160 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:18:45,160 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:18:45,161 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 06:18:45,198 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data/68c0933ca/604cfea46c8b448b9aa1fe062d1a871f/FLAG80e28596d [2018-11-23 06:18:45,795 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:18:45,795 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 06:18:45,815 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data/68c0933ca/604cfea46c8b448b9aa1fe062d1a871f/FLAG80e28596d [2018-11-23 06:18:46,180 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data/68c0933ca/604cfea46c8b448b9aa1fe062d1a871f [2018-11-23 06:18:46,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:18:46,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:18:46,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:18:46,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:18:46,187 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:18:46,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:18:46" (1/1) ... [2018-11-23 06:18:46,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211dec57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:46, skipping insertion in model container [2018-11-23 06:18:46,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:18:46" (1/1) ... [2018-11-23 06:18:46,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:18:46,261 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:18:47,358 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:18:47,387 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:18:47,539 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:18:47,613 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:18:47,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47 WrapperNode [2018-11-23 06:18:47,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:18:47,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:18:47,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:18:47,614 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:18:47,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... [2018-11-23 06:18:47,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... [2018-11-23 06:18:47,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:18:47,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:18:47,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:18:47,668 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:18:47,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... [2018-11-23 06:18:47,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... [2018-11-23 06:18:47,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... [2018-11-23 06:18:47,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... [2018-11-23 06:18:47,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... [2018-11-23 06:18:47,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... [2018-11-23 06:18:47,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... [2018-11-23 06:18:47,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:18:47,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:18:47,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:18:47,799 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:18:47,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/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 06:18:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2018-11-23 06:18:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2018-11-23 06:18:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 06:18:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2018-11-23 06:18:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2018-11-23 06:18:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2018-11-23 06:18:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2018-11-23 06:18:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 06:18:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2018-11-23 06:18:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2018-11-23 06:18:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2018-11-23 06:18:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2018-11-23 06:18:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2018-11-23 06:18:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2018-11-23 06:18:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:18:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-11-23 06:18:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-23 06:18:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 06:18:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 06:18:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 06:18:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 06:18:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-23 06:18:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 06:18:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 06:18:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2018-11-23 06:18:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2018-11-23 06:18:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2018-11-23 06:18:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2018-11-23 06:18:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2018-11-23 06:18:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2018-11-23 06:18:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2018-11-23 06:18:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2018-11-23 06:18:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2018-11-23 06:18:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2018-11-23 06:18:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-11-23 06:18:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2018-11-23 06:18:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2018-11-23 06:18:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2018-11-23 06:18:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2018-11-23 06:18:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_23 [2018-11-23 06:18:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_23 [2018-11-23 06:18:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_26 [2018-11-23 06:18:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_26 [2018-11-23 06:18:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 06:18:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 06:18:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2018-11-23 06:18:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2018-11-23 06:18:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2018-11-23 06:18:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2018-11-23 06:18:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2018-11-23 06:18:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-23 06:18:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-23 06:18:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2018-11-23 06:18:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2018-11-23 06:18:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2018-11-23 06:18:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2018-11-23 06:18:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 06:18:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 06:18:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2018-11-23 06:18:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2018-11-23 06:18:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-23 06:18:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-23 06:18:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2018-11-23 06:18:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2018-11-23 06:18:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2018-11-23 06:18:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2018-11-23 06:18:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2018-11-23 06:18:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2018-11-23 06:18:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 06:18:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2018-11-23 06:18:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2018-11-23 06:18:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2018-11-23 06:18:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2018-11-23 06:18:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2018-11-23 06:18:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2018-11-23 06:18:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2018-11-23 06:18:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2018-11-23 06:18:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2018-11-23 06:18:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 06:18:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 06:18:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2018-11-23 06:18:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 06:18:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 06:18:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2018-11-23 06:18:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-11-23 06:18:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2018-11-23 06:18:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2018-11-23 06:18:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2018-11-23 06:18:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2018-11-23 06:18:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2018-11-23 06:18:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 06:18:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 06:18:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2018-11-23 06:18:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2018-11-23 06:18:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 06:18:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 06:18:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2018-11-23 06:18:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2018-11-23 06:18:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2018-11-23 06:18:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2018-11-23 06:18:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2018-11-23 06:18:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2018-11-23 06:18:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:18:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:18:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2018-11-23 06:18:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2018-11-23 06:18:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2018-11-23 06:18:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2018-11-23 06:18:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2018-11-23 06:18:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 06:18:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 06:18:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2018-11-23 06:18:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2018-11-23 06:18:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2018-11-23 06:18:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2018-11-23 06:18:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2018-11-23 06:18:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2018-11-23 06:18:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-23 06:18:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-23 06:18:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 06:18:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 06:18:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:18:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:18:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-23 06:18:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-23 06:18:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-23 06:18:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2018-11-23 06:18:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 06:18:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 06:18:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 06:18:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2018-11-23 06:18:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2018-11-23 06:18:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2018-11-23 06:18:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2018-11-23 06:18:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2018-11-23 06:18:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2018-11-23 06:18:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2018-11-23 06:18:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2018-11-23 06:18:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2018-11-23 06:18:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2018-11-23 06:18:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2018-11-23 06:18:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 06:18:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 06:18:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2018-11-23 06:18:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2018-11-23 06:18:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2018-11-23 06:18:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2018-11-23 06:18:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2018-11-23 06:18:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2018-11-23 06:18:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 06:18:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2018-11-23 06:18:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2018-11-23 06:18:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-23 06:18:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2018-11-23 06:18:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2018-11-23 06:18:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2018-11-23 06:18:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2018-11-23 06:18:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2018-11-23 06:18:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2018-11-23 06:18:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2018-11-23 06:18:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2018-11-23 06:18:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2018-11-23 06:18:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2018-11-23 06:18:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2018-11-23 06:18:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2018-11-23 06:18:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2018-11-23 06:18:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2018-11-23 06:18:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2018-11-23 06:18:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2018-11-23 06:18:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2018-11-23 06:18:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2018-11-23 06:18:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:18:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 06:18:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2018-11-23 06:18:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2018-11-23 06:18:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2018-11-23 06:18:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2018-11-23 06:18:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2018-11-23 06:18:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2018-11-23 06:18:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2018-11-23 06:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2018-11-23 06:18:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2018-11-23 06:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2018-11-23 06:18:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2018-11-23 06:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2018-11-23 06:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-23 06:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2018-11-23 06:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 06:18:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 06:18:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2018-11-23 06:18:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2018-11-23 06:18:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2018-11-23 06:18:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2018-11-23 06:18:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2018-11-23 06:18:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 06:18:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2018-11-23 06:18:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2018-11-23 06:18:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2018-11-23 06:18:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2018-11-23 06:18:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2018-11-23 06:18:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 06:18:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2018-11-23 06:18:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2018-11-23 06:18:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-11-23 06:18:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-11-23 06:18:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 06:18:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 06:18:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2018-11-23 06:18:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2018-11-23 06:18:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 06:18:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 06:18:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2018-11-23 06:18:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:18:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:18:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2018-11-23 06:18:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2018-11-23 06:18:52,311 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:18:52,311 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:18:52,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:18:52 BoogieIcfgContainer [2018-11-23 06:18:52,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:18:52,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:18:52,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:18:52,314 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:18:52,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:18:46" (1/3) ... [2018-11-23 06:18:52,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19779c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:18:52, skipping insertion in model container [2018-11-23 06:18:52,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:47" (2/3) ... [2018-11-23 06:18:52,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19779c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:18:52, skipping insertion in model container [2018-11-23 06:18:52,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:18:52" (3/3) ... [2018-11-23 06:18:52,317 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 06:18:52,323 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:18:52,329 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:18:52,342 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:18:52,367 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:18:52,367 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:18:52,368 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:18:52,368 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:18:52,368 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:18:52,368 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:18:52,368 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:18:52,368 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:18:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states. [2018-11-23 06:18:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 06:18:52,396 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:52,397 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:52,399 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:52,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:52,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1046059109, now seen corresponding path program 1 times [2018-11-23 06:18:52,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:52,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:52,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:52,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:52,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:18:52,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:52,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:52,761 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:52,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:52,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:52,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:52,774 INFO L87 Difference]: Start difference. First operand 843 states. Second operand 3 states. [2018-11-23 06:18:54,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:54,967 INFO L93 Difference]: Finished difference Result 2451 states and 3334 transitions. [2018-11-23 06:18:54,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:18:54,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-23 06:18:54,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:54,991 INFO L225 Difference]: With dead ends: 2451 [2018-11-23 06:18:54,992 INFO L226 Difference]: Without dead ends: 1601 [2018-11-23 06:18:54,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 06:18:55,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2018-11-23 06:18:55,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1601. [2018-11-23 06:18:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1601 states. [2018-11-23 06:18:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2155 transitions. [2018-11-23 06:18:55,122 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2155 transitions. Word has length 36 [2018-11-23 06:18:55,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:55,123 INFO L480 AbstractCegarLoop]: Abstraction has 1601 states and 2155 transitions. [2018-11-23 06:18:55,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:18:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2155 transitions. [2018-11-23 06:18:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 06:18:55,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:55,126 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:55,126 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:55,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:55,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1471016862, now seen corresponding path program 1 times [2018-11-23 06:18:55,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:55,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:55,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:55,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:55,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:18:55,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:55,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:55,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:55,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:55,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:55,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:55,299 INFO L87 Difference]: Start difference. First operand 1601 states and 2155 transitions. Second operand 3 states. [2018-11-23 06:18:55,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:55,400 INFO L93 Difference]: Finished difference Result 1627 states and 2187 transitions. [2018-11-23 06:18:55,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:18:55,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 06:18:55,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:55,408 INFO L225 Difference]: With dead ends: 1627 [2018-11-23 06:18:55,408 INFO L226 Difference]: Without dead ends: 1614 [2018-11-23 06:18:55,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 06:18:55,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2018-11-23 06:18:55,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1601. [2018-11-23 06:18:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1601 states. [2018-11-23 06:18:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2154 transitions. [2018-11-23 06:18:55,469 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2154 transitions. Word has length 52 [2018-11-23 06:18:55,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:55,470 INFO L480 AbstractCegarLoop]: Abstraction has 1601 states and 2154 transitions. [2018-11-23 06:18:55,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:18:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2154 transitions. [2018-11-23 06:18:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 06:18:55,472 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:55,473 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:55,473 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:55,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:55,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1528275164, now seen corresponding path program 1 times [2018-11-23 06:18:55,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:55,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:55,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:55,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:55,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:18:55,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:55,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:55,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:55,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:55,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:55,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:55,648 INFO L87 Difference]: Start difference. First operand 1601 states and 2154 transitions. Second operand 3 states. [2018-11-23 06:18:55,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:55,797 INFO L93 Difference]: Finished difference Result 4756 states and 6495 transitions. [2018-11-23 06:18:55,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:18:55,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 06:18:55,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:55,814 INFO L225 Difference]: With dead ends: 4756 [2018-11-23 06:18:55,815 INFO L226 Difference]: Without dead ends: 3178 [2018-11-23 06:18:55,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 06:18:55,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2018-11-23 06:18:55,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 3168. [2018-11-23 06:18:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3168 states. [2018-11-23 06:18:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 4311 transitions. [2018-11-23 06:18:55,950 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 4311 transitions. Word has length 52 [2018-11-23 06:18:55,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:55,950 INFO L480 AbstractCegarLoop]: Abstraction has 3168 states and 4311 transitions. [2018-11-23 06:18:55,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:18:55,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 4311 transitions. [2018-11-23 06:18:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 06:18:55,952 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:55,952 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:55,952 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:55,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:55,953 INFO L82 PathProgramCache]: Analyzing trace with hash 131494369, now seen corresponding path program 1 times [2018-11-23 06:18:55,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:55,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:55,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:55,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:55,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:18:56,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:56,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:56,138 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:56,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:56,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:56,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:56,141 INFO L87 Difference]: Start difference. First operand 3168 states and 4311 transitions. Second operand 3 states. [2018-11-23 06:18:56,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:56,439 INFO L93 Difference]: Finished difference Result 9449 states and 13230 transitions. [2018-11-23 06:18:56,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:18:56,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 06:18:56,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:56,461 INFO L225 Difference]: With dead ends: 9449 [2018-11-23 06:18:56,461 INFO L226 Difference]: Without dead ends: 6304 [2018-11-23 06:18:56,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 06:18:56,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2018-11-23 06:18:56,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 6295. [2018-11-23 06:18:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6295 states. [2018-11-23 06:18:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8697 transitions. [2018-11-23 06:18:56,655 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8697 transitions. Word has length 53 [2018-11-23 06:18:56,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:56,655 INFO L480 AbstractCegarLoop]: Abstraction has 6295 states and 8697 transitions. [2018-11-23 06:18:56,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:18:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8697 transitions. [2018-11-23 06:18:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 06:18:56,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:56,657 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:56,657 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:56,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:56,657 INFO L82 PathProgramCache]: Analyzing trace with hash -219032449, now seen corresponding path program 1 times [2018-11-23 06:18:56,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:56,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:56,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:56,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:56,661 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:18:56,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:56,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:56,785 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:56,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:56,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:56,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:56,786 INFO L87 Difference]: Start difference. First operand 6295 states and 8697 transitions. Second operand 3 states. [2018-11-23 06:18:56,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:56,909 INFO L93 Difference]: Finished difference Result 6302 states and 8703 transitions. [2018-11-23 06:18:56,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:18:56,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-23 06:18:56,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:56,931 INFO L225 Difference]: With dead ends: 6302 [2018-11-23 06:18:56,931 INFO L226 Difference]: Without dead ends: 6299 [2018-11-23 06:18:56,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 06:18:56,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6299 states. [2018-11-23 06:18:57,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6299 to 6296. [2018-11-23 06:18:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6296 states. [2018-11-23 06:18:57,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6296 states to 6296 states and 8698 transitions. [2018-11-23 06:18:57,107 INFO L78 Accepts]: Start accepts. Automaton has 6296 states and 8698 transitions. Word has length 54 [2018-11-23 06:18:57,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:57,107 INFO L480 AbstractCegarLoop]: Abstraction has 6296 states and 8698 transitions. [2018-11-23 06:18:57,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:18:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6296 states and 8698 transitions. [2018-11-23 06:18:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 06:18:57,108 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:57,109 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:57,109 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:57,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:57,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1799542948, now seen corresponding path program 1 times [2018-11-23 06:18:57,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:57,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:57,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:57,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:57,112 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:18:57,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:57,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:57,232 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:57,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:57,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:57,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:57,233 INFO L87 Difference]: Start difference. First operand 6296 states and 8698 transitions. Second operand 3 states. [2018-11-23 06:18:57,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:57,393 INFO L93 Difference]: Finished difference Result 6298 states and 8699 transitions. [2018-11-23 06:18:57,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:18:57,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-11-23 06:18:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:57,413 INFO L225 Difference]: With dead ends: 6298 [2018-11-23 06:18:57,413 INFO L226 Difference]: Without dead ends: 6295 [2018-11-23 06:18:57,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 06:18:57,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6295 states. [2018-11-23 06:18:57,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6295 to 6295. [2018-11-23 06:18:57,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6295 states. [2018-11-23 06:18:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8696 transitions. [2018-11-23 06:18:57,599 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8696 transitions. Word has length 55 [2018-11-23 06:18:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:57,599 INFO L480 AbstractCegarLoop]: Abstraction has 6295 states and 8696 transitions. [2018-11-23 06:18:57,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:18:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8696 transitions. [2018-11-23 06:18:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 06:18:57,600 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:57,600 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:57,601 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:57,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:57,601 INFO L82 PathProgramCache]: Analyzing trace with hash -49124318, now seen corresponding path program 1 times [2018-11-23 06:18:57,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:57,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:57,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:57,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:57,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:18:57,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:57,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:57,708 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:57,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:57,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:57,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:57,709 INFO L87 Difference]: Start difference. First operand 6295 states and 8696 transitions. Second operand 3 states. [2018-11-23 06:18:57,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:57,818 INFO L93 Difference]: Finished difference Result 6297 states and 8697 transitions. [2018-11-23 06:18:57,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:18:57,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-11-23 06:18:57,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:57,840 INFO L225 Difference]: With dead ends: 6297 [2018-11-23 06:18:57,841 INFO L226 Difference]: Without dead ends: 6280 [2018-11-23 06:18:57,844 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 06:18:57,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6280 states. [2018-11-23 06:18:57,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6280 to 6280. [2018-11-23 06:18:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6280 states. [2018-11-23 06:18:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6280 states to 6280 states and 8677 transitions. [2018-11-23 06:18:58,013 INFO L78 Accepts]: Start accepts. Automaton has 6280 states and 8677 transitions. Word has length 56 [2018-11-23 06:18:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:58,013 INFO L480 AbstractCegarLoop]: Abstraction has 6280 states and 8677 transitions. [2018-11-23 06:18:58,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:18:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 6280 states and 8677 transitions. [2018-11-23 06:18:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 06:18:58,017 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:58,017 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:58,017 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:58,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:58,017 INFO L82 PathProgramCache]: Analyzing trace with hash 252180216, now seen corresponding path program 1 times [2018-11-23 06:18:58,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:58,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:58,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:58,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:58,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 06:18:58,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:58,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:58,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:58,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:58,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:58,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:58,152 INFO L87 Difference]: Start difference. First operand 6280 states and 8677 transitions. Second operand 3 states. [2018-11-23 06:18:58,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:58,454 INFO L93 Difference]: Finished difference Result 12679 states and 17537 transitions. [2018-11-23 06:18:58,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:18:58,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2018-11-23 06:18:58,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:58,473 INFO L225 Difference]: With dead ends: 12679 [2018-11-23 06:18:58,474 INFO L226 Difference]: Without dead ends: 6422 [2018-11-23 06:18:58,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 06:18:58,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6422 states. [2018-11-23 06:18:58,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6422 to 6380. [2018-11-23 06:18:58,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6380 states. [2018-11-23 06:18:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 8820 transitions. [2018-11-23 06:18:58,673 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 8820 transitions. Word has length 163 [2018-11-23 06:18:58,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:58,674 INFO L480 AbstractCegarLoop]: Abstraction has 6380 states and 8820 transitions. [2018-11-23 06:18:58,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:18:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 8820 transitions. [2018-11-23 06:18:58,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 06:18:58,678 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:58,679 INFO L402 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:58,679 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:58,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:58,679 INFO L82 PathProgramCache]: Analyzing trace with hash 921393598, now seen corresponding path program 1 times [2018-11-23 06:18:58,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:58,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:58,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:58,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:58,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 06:18:58,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:58,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:58,808 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:58,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:58,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:58,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:58,809 INFO L87 Difference]: Start difference. First operand 6380 states and 8820 transitions. Second operand 3 states. [2018-11-23 06:19:01,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:01,027 INFO L93 Difference]: Finished difference Result 13127 states and 18143 transitions. [2018-11-23 06:19:01,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:19:01,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-11-23 06:19:01,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:01,045 INFO L225 Difference]: With dead ends: 13127 [2018-11-23 06:19:01,045 INFO L226 Difference]: Without dead ends: 6770 [2018-11-23 06:19:01,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 06:19:01,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6770 states. [2018-11-23 06:19:01,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6770 to 6728. [2018-11-23 06:19:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6728 states. [2018-11-23 06:19:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6728 states to 6728 states and 9235 transitions. [2018-11-23 06:19:01,319 INFO L78 Accepts]: Start accepts. Automaton has 6728 states and 9235 transitions. Word has length 174 [2018-11-23 06:19:01,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:01,320 INFO L480 AbstractCegarLoop]: Abstraction has 6728 states and 9235 transitions. [2018-11-23 06:19:01,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:19:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6728 states and 9235 transitions. [2018-11-23 06:19:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 06:19:01,326 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:01,326 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:01,327 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:01,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:01,327 INFO L82 PathProgramCache]: Analyzing trace with hash -925311830, now seen corresponding path program 1 times [2018-11-23 06:19:01,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:01,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:01,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:01,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:01,331 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 06:19:01,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:01,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:19:01,527 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:01,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:19:01,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:19:01,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:19:01,528 INFO L87 Difference]: Start difference. First operand 6728 states and 9235 transitions. Second operand 3 states. [2018-11-23 06:19:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:01,787 INFO L93 Difference]: Finished difference Result 13481 states and 18549 transitions. [2018-11-23 06:19:01,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:19:01,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-11-23 06:19:01,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:01,810 INFO L225 Difference]: With dead ends: 13481 [2018-11-23 06:19:01,810 INFO L226 Difference]: Without dead ends: 6776 [2018-11-23 06:19:01,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 06:19:01,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6776 states. [2018-11-23 06:19:02,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6776 to 6760. [2018-11-23 06:19:02,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6760 states. [2018-11-23 06:19:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6760 states to 6760 states and 9275 transitions. [2018-11-23 06:19:02,086 INFO L78 Accepts]: Start accepts. Automaton has 6760 states and 9275 transitions. Word has length 197 [2018-11-23 06:19:02,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:02,086 INFO L480 AbstractCegarLoop]: Abstraction has 6760 states and 9275 transitions. [2018-11-23 06:19:02,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:19:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 6760 states and 9275 transitions. [2018-11-23 06:19:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 06:19:02,093 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:02,093 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:02,093 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:02,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:02,093 INFO L82 PathProgramCache]: Analyzing trace with hash -237758326, now seen corresponding path program 1 times [2018-11-23 06:19:02,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:02,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:02,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:02,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:02,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 06:19:02,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:02,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:19:02,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:02,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:19:02,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:19:02,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:19:02,324 INFO L87 Difference]: Start difference. First operand 6760 states and 9275 transitions. Second operand 6 states. [2018-11-23 06:19:02,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:02,602 INFO L93 Difference]: Finished difference Result 13577 states and 18657 transitions. [2018-11-23 06:19:02,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:19:02,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-11-23 06:19:02,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:02,623 INFO L225 Difference]: With dead ends: 13577 [2018-11-23 06:19:02,623 INFO L226 Difference]: Without dead ends: 6840 [2018-11-23 06:19:02,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:19:02,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6840 states. [2018-11-23 06:19:02,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6840 to 6792. [2018-11-23 06:19:02,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6792 states. [2018-11-23 06:19:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6792 states to 6792 states and 9307 transitions. [2018-11-23 06:19:02,907 INFO L78 Accepts]: Start accepts. Automaton has 6792 states and 9307 transitions. Word has length 199 [2018-11-23 06:19:02,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:02,908 INFO L480 AbstractCegarLoop]: Abstraction has 6792 states and 9307 transitions. [2018-11-23 06:19:02,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:19:02,908 INFO L276 IsEmpty]: Start isEmpty. Operand 6792 states and 9307 transitions. [2018-11-23 06:19:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-23 06:19:02,915 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:02,915 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:02,915 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:02,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:02,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1668997788, now seen corresponding path program 1 times [2018-11-23 06:19:02,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:02,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:02,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:02,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:02,920 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 06:19:03,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:19:03,253 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:19:03,253 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-23 06:19:03,255 INFO L202 CegarAbsIntRunner]: [46], [48], [50], [51], [52], [53], [54], [55], [277], [279], [295], [297], [298], [810], [812], [813], [820], [822], [824], [825], [841], [842], [843], [844], [845], [928], [934], [935], [1009], [1010], [1018], [1019], [1041], [1043], [1044], [1058], [1059], [1064], [1066], [1068], [1070], [1073], [1076], [1079], [1082], [1084], [1089], [1187], [1190], [1193], [1196], [1199], [1201], [1205], [1208], [1211], [1213], [1216], [1224], [1257], [1258], [1259], [1260], [1276], [1280], [1282], [1283], [1378], [1380], [1383], [1386], [1397], [1398], [1400], [1405], [1409], [1411], [1415], [1417], [1418], [1420], [1421], [1424], [1425], [1442], [1445], [1447], [1450], [1462], [1463], [1466], [1468], [1472], [1475], [1479], [1546], [1551], [1558], [1561], [1562], [1606], [1608], [1609], [1612], [1621], [1648], [1651], [1655], [1659], [1661], [1664], [1669], [1670], [1683], [1684], [1685], [1686], [1715], [1716], [1721], [1722], [1833], [1834], [1837], [1838], [1839], [1840], [1891], [1892], [1899], [1900], [1901], [1902], [1903], [1904], [1917], [1918], [1919], [1920], [1925], [1927], [1928], [1931], [1932], [1965], [1966], [1967], [1968], [1969], [1970], [1973], [1974], [1977], [1978], [1979], [1980], [1981], [1982], [1983], [1984], [1985], [1986], [1987], [1988], [1989], [1990], [1993], [1994], [2007], [2008], [2011], [2021], [2022], [2023], [2025], [2026] [2018-11-23 06:19:03,298 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:19:03,298 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:19:03,568 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:288) 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.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.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) 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 06:19:03,571 INFO L168 Benchmark]: Toolchain (without parser) took 17387.62 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 750.8 MB). Free memory was 948.1 MB in the beginning and 1.4 GB in the end (delta: -484.7 MB). Peak memory consumption was 266.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:03,573 INFO L168 Benchmark]: CDTParser took 0.11 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 06:19:03,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1428.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.3 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:03,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:03,574 INFO L168 Benchmark]: Boogie Preprocessor took 131.20 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:03,574 INFO L168 Benchmark]: RCFGBuilder took 4512.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 155.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -233.3 MB). Peak memory consumption was 292.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:03,575 INFO L168 Benchmark]: TraceAbstraction took 11258.57 ms. Allocated memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: 362.3 MB). Free memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: -123.4 MB). Peak memory consumption was 238.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:03,578 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 1428.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.3 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 119.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 131.20 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4512.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 155.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -233.3 MB). Peak memory consumption was 292.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11258.57 ms. Allocated memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: 362.3 MB). Free memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: -123.4 MB). Peak memory consumption was 238.9 MB. 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 06:19:05,101 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:19:05,102 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:19:05,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:19:05,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:19:05,112 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:19:05,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:19:05,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:19:05,115 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:19:05,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:19:05,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:19:05,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:19:05,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:19:05,118 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:19:05,119 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:19:05,119 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:19:05,120 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:19:05,121 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:19:05,122 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:19:05,123 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:19:05,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:19:05,125 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:19:05,127 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:19:05,127 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:19:05,128 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:19:05,128 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:19:05,129 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:19:05,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:19:05,130 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:19:05,131 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:19:05,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:19:05,132 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:19:05,132 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:19:05,132 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:19:05,133 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:19:05,133 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:19:05,133 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 06:19:05,144 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:19:05,144 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:19:05,145 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:19:05,145 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:19:05,145 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:19:05,145 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:19:05,145 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:19:05,146 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:19:05,146 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:19:05,147 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:19:05,147 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:19:05,147 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:19:05,147 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:19:05,147 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:19:05,148 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:19:05,148 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 06:19:05,148 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 06:19:05,148 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:19:05,148 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:19:05,148 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:19:05,148 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:19:05,149 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:19:05,149 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:19:05,149 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:19:05,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:19:05,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:19:05,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:19:05,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:19:05,151 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 06:19:05,151 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:19:05,152 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 06:19:05,152 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 06:19:05,152 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_aa190c27-8a0b-45d0-854d-83a7d3139d03/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 -> 31299bfc3ba86bc5db84bf4b0eddff05c227832f [2018-11-23 06:19:05,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:19:05,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:19:05,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:19:05,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:19:05,194 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:19:05,195 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 06:19:05,239 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data/c6e2556eb/c569951484d64635981f976e1d1fdcb0/FLAGfb91d68bd [2018-11-23 06:19:05,762 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:19:05,762 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 06:19:05,789 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data/c6e2556eb/c569951484d64635981f976e1d1fdcb0/FLAGfb91d68bd [2018-11-23 06:19:06,212 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa190c27-8a0b-45d0-854d-83a7d3139d03/bin-2019/utaipan/data/c6e2556eb/c569951484d64635981f976e1d1fdcb0 [2018-11-23 06:19:06,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:19:06,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:19:06,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:19:06,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:19:06,219 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:19:06,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:19:06" (1/1) ... [2018-11-23 06:19:06,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d194f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:06, skipping insertion in model container [2018-11-23 06:19:06,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:19:06" (1/1) ... [2018-11-23 06:19:06,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:19:06,322 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:19:07,594 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:19:07,630 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:19:07,805 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:19:07,835 ERROR L311 MainTranslator]: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8: CACSL2BoogieTranslator: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ProcedureManager.computeFinalProcedureDeclarations(ProcedureManager.java:193) [2018-11-23 06:19:07,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5056c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07, skipping insertion in model container [2018-11-23 06:19:07,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:19:07,836 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-23 06:19:07,836 INFO L168 Benchmark]: Toolchain (without parser) took 1620.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 156.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:07,837 INFO L168 Benchmark]: CDTParser took 0.17 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 06:19:07,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1618.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 156.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:07,839 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 1618.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 156.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8 CACSL2BoogieTranslator: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ProcedureManager.computeFinalProcedureDeclarations(ProcedureManager.java:193) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...