./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/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 0de7475e00f374e67fc99009efc13708f1536ba3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/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 0de7475e00f374e67fc99009efc13708f1536ba3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:56:42,361 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:56:42,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:56:42,369 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:56:42,369 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:56:42,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:56:42,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:56:42,371 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:56:42,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:56:42,373 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:56:42,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:56:42,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:56:42,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:56:42,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:56:42,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:56:42,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:56:42,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:56:42,377 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:56:42,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:56:42,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:56:42,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:56:42,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:56:42,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:56:42,383 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:56:42,383 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:56:42,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:56:42,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:56:42,384 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:56:42,385 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:56:42,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:56:42,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:56:42,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:56:42,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:56:42,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:56:42,386 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:56:42,387 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:56:42,387 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-18 16:56:42,394 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:56:42,394 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:56:42,395 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:56:42,395 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:56:42,395 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:56:42,395 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:56:42,396 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:56:42,396 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:56:42,396 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:56:42,396 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:56:42,396 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-18 16:56:42,396 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:56:42,396 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:56:42,397 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:56:42,397 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:56:42,397 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:56:42,397 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:56:42,397 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:56:42,398 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:56:42,398 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:56:42,398 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:56:42,398 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:56:42,398 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:56:42,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:56:42,398 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:56:42,398 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:56:42,399 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:56:42,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:56:42,399 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:56:42,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:56:42,399 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:56:42,399 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:56:42,399 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:56:42,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:56:42,399 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:56:42,400 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-18 16:56:42,400 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_e61bf42c-35f2-444b-9fc5-ad6111e93627/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 -> 0de7475e00f374e67fc99009efc13708f1536ba3 [2018-11-18 16:56:42,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:56:42,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:56:42,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:56:42,436 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:56:42,436 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:56:42,436 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 16:56:42,475 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data/89f7b2465/7e23f417e9284009add666125a7b78c2/FLAGcd0357740 [2018-11-18 16:56:43,032 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:56:43,032 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 16:56:43,053 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data/89f7b2465/7e23f417e9284009add666125a7b78c2/FLAGcd0357740 [2018-11-18 16:56:43,457 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data/89f7b2465/7e23f417e9284009add666125a7b78c2 [2018-11-18 16:56:43,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:56:43,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:56:43,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:56:43,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:56:43,463 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:56:43,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:56:43" (1/1) ... [2018-11-18 16:56:43,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7778fa30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:43, skipping insertion in model container [2018-11-18 16:56:43,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:56:43" (1/1) ... [2018-11-18 16:56:43,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:56:43,530 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:56:44,481 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:56:44,520 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:56:44,781 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:56:44,834 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:56:44,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44 WrapperNode [2018-11-18 16:56:44,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:56:44,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:56:44,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:56:44,835 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:56:44,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... [2018-11-18 16:56:44,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... [2018-11-18 16:56:44,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:56:44,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:56:44,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:56:44,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:56:44,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... [2018-11-18 16:56:44,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... [2018-11-18 16:56:44,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... [2018-11-18 16:56:44,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... [2018-11-18 16:56:44,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... [2018-11-18 16:56:44,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... [2018-11-18 16:56:44,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... [2018-11-18 16:56:44,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:56:44,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:56:44,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:56:44,935 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:56:44,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/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 [2018-11-18 16:56:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-11-18 16:56:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_init [2018-11-18 16:56:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_init [2018-11-18 16:56:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:56:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:56:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 16:56:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 16:56:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-18 16:56:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-18 16:56:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:56:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-18 16:56:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-18 16:56:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-18 16:56:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-18 16:56:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-18 16:56:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-18 16:56:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:56:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-18 16:56:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-18 16:56:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-18 16:56:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-11-18 16:56:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 16:56:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-11-18 16:56:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-11-18 16:56:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-18 16:56:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-18 16:56:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-11-18 16:56:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-11-18 16:56:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-11-18 16:56:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-11-18 16:56:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-18 16:56:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2018-11-18 16:56:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2018-11-18 16:56:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2018-11-18 16:56:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2018-11-18 16:56:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2018-11-18 16:56:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2018-11-18 16:56:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2018-11-18 16:56:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2018-11-18 16:56:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-18 16:56:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-18 16:56:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2018-11-18 16:56:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2018-11-18 16:56:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2018-11-18 16:56:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2018-11-18 16:56:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-18 16:56:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-18 16:56:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-11-18 16:56:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-18 16:56:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-18 16:56:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_exit [2018-11-18 16:56:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_exit [2018-11-18 16:56:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-11-18 16:56:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-11-18 16:56:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:56:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2018-11-18 16:56:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2018-11-18 16:56:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-18 16:56:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-18 16:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-18 16:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-18 16:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-18 16:56:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-18 16:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-11-18 16:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2018-11-18 16:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2018-11-18 16:56:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2018-11-18 16:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2018-11-18 16:56:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2018-11-18 16:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_bind [2018-11-18 16:56:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_bind [2018-11-18 16:56:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-18 16:56:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-18 16:56:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2018-11-18 16:56:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2018-11-18 16:56:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-11-18 16:56:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-11-18 16:56:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-18 16:56:44,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-18 16:56:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-11-18 16:56:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:56:44,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:56:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-18 16:56:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-18 16:56:44,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-18 16:56:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-11-18 16:56:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-18 16:56:44,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-18 16:56:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2018-11-18 16:56:44,996 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2018-11-18 16:56:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:56:44,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:56:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-18 16:56:44,997 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-18 16:56:48,135 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:56:48,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:56:48 BoogieIcfgContainer [2018-11-18 16:56:48,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:56:48,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:56:48,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:56:48,139 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:56:48,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:56:43" (1/3) ... [2018-11-18 16:56:48,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e4a52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:56:48, skipping insertion in model container [2018-11-18 16:56:48,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:44" (2/3) ... [2018-11-18 16:56:48,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e4a52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:56:48, skipping insertion in model container [2018-11-18 16:56:48,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:56:48" (3/3) ... [2018-11-18 16:56:48,141 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 16:56:48,147 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:56:48,152 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:56:48,162 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:56:48,184 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:56:48,184 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:56:48,184 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:56:48,185 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:56:48,185 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:56:48,185 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:56:48,185 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:56:48,185 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:56:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states. [2018-11-18 16:56:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 16:56:48,208 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:56:48,209 INFO L375 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] [2018-11-18 16:56:48,211 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:56:48,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:56:48,214 INFO L82 PathProgramCache]: Analyzing trace with hash -394839393, now seen corresponding path program 1 times [2018-11-18 16:56:48,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:56:48,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:48,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:56:48,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:48,257 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:56:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 16:56:48,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:56:48,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:56:48,499 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:56:48,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:56:48,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:56:48,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:56:48,512 INFO L87 Difference]: Start difference. First operand 280 states. Second operand 3 states. [2018-11-18 16:56:50,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:56:50,602 INFO L93 Difference]: Finished difference Result 734 states and 968 transitions. [2018-11-18 16:56:50,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:56:50,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 16:56:50,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:56:50,611 INFO L225 Difference]: With dead ends: 734 [2018-11-18 16:56:50,611 INFO L226 Difference]: Without dead ends: 462 [2018-11-18 16:56:50,614 INFO L604 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 [2018-11-18 16:56:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2018-11-18 16:56:50,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2018-11-18 16:56:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-11-18 16:56:50,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 596 transitions. [2018-11-18 16:56:50,672 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 596 transitions. Word has length 61 [2018-11-18 16:56:50,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:56:50,672 INFO L480 AbstractCegarLoop]: Abstraction has 462 states and 596 transitions. [2018-11-18 16:56:50,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:56:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 596 transitions. [2018-11-18 16:56:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 16:56:50,676 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:56:50,676 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:56:50,676 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:56:50,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:56:50,677 INFO L82 PathProgramCache]: Analyzing trace with hash 438082953, now seen corresponding path program 1 times [2018-11-18 16:56:50,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:56:50,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:50,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:56:50,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:50,681 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:56:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 16:56:50,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:56:50,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:56:50,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:56:50,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:56:50,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:56:50,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:56:50,830 INFO L87 Difference]: Start difference. First operand 462 states and 596 transitions. Second operand 7 states. [2018-11-18 16:56:55,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:56:55,282 INFO L93 Difference]: Finished difference Result 1337 states and 1752 transitions. [2018-11-18 16:56:55,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:56:55,282 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2018-11-18 16:56:55,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:56:55,287 INFO L225 Difference]: With dead ends: 1337 [2018-11-18 16:56:55,288 INFO L226 Difference]: Without dead ends: 884 [2018-11-18 16:56:55,289 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:56:55,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-18 16:56:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2018-11-18 16:56:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2018-11-18 16:56:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1154 transitions. [2018-11-18 16:56:55,327 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1154 transitions. Word has length 77 [2018-11-18 16:56:55,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:56:55,327 INFO L480 AbstractCegarLoop]: Abstraction has 884 states and 1154 transitions. [2018-11-18 16:56:55,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:56:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1154 transitions. [2018-11-18 16:56:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 16:56:55,332 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:56:55,332 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2018-11-18 16:56:55,332 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:56:55,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:56:55,332 INFO L82 PathProgramCache]: Analyzing trace with hash 476398722, now seen corresponding path program 1 times [2018-11-18 16:56:55,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:56:55,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:55,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:56:55,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:55,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:56:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:55,418 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 16:56:55,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:56:55,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:56:55,419 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:56:55,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:56:55,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:56:55,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:56:55,419 INFO L87 Difference]: Start difference. First operand 884 states and 1154 transitions. Second operand 3 states. [2018-11-18 16:56:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:56:55,472 INFO L93 Difference]: Finished difference Result 1955 states and 2588 transitions. [2018-11-18 16:56:55,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:56:55,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-11-18 16:56:55,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:56:55,477 INFO L225 Difference]: With dead ends: 1955 [2018-11-18 16:56:55,477 INFO L226 Difference]: Without dead ends: 1096 [2018-11-18 16:56:55,479 INFO L604 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 [2018-11-18 16:56:55,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2018-11-18 16:56:55,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1077. [2018-11-18 16:56:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2018-11-18 16:56:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1441 transitions. [2018-11-18 16:56:55,508 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1441 transitions. Word has length 125 [2018-11-18 16:56:55,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:56:55,508 INFO L480 AbstractCegarLoop]: Abstraction has 1077 states and 1441 transitions. [2018-11-18 16:56:55,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:56:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1441 transitions. [2018-11-18 16:56:55,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 16:56:55,511 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:56:55,512 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:56:55,512 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:56:55,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:56:55,512 INFO L82 PathProgramCache]: Analyzing trace with hash 908879858, now seen corresponding path program 1 times [2018-11-18 16:56:55,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:56:55,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:55,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:56:55,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:55,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:56:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:55,603 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 16:56:55,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:56:55,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:56:55,604 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:56:55,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:56:55,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:56:55,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:56:55,605 INFO L87 Difference]: Start difference. First operand 1077 states and 1441 transitions. Second operand 3 states. [2018-11-18 16:56:57,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:56:57,700 INFO L93 Difference]: Finished difference Result 2877 states and 3834 transitions. [2018-11-18 16:56:57,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:56:57,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-11-18 16:56:57,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:56:57,707 INFO L225 Difference]: With dead ends: 2877 [2018-11-18 16:56:57,707 INFO L226 Difference]: Without dead ends: 1834 [2018-11-18 16:56:57,710 INFO L604 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 [2018-11-18 16:56:57,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2018-11-18 16:56:57,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1815. [2018-11-18 16:56:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2018-11-18 16:56:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2385 transitions. [2018-11-18 16:56:57,767 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2385 transitions. Word has length 155 [2018-11-18 16:56:57,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:56:57,767 INFO L480 AbstractCegarLoop]: Abstraction has 1815 states and 2385 transitions. [2018-11-18 16:56:57,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:56:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2385 transitions. [2018-11-18 16:56:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 16:56:57,771 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:56:57,771 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:56:57,771 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:56:57,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:56:57,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1859661234, now seen corresponding path program 1 times [2018-11-18 16:56:57,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:56:57,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:57,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:56:57,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:57,774 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:56:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 16:56:57,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:56:57,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:56:57,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:56:57,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:56:57,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:56:57,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:56:57,897 INFO L87 Difference]: Start difference. First operand 1815 states and 2385 transitions. Second operand 5 states. [2018-11-18 16:56:57,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:56:57,963 INFO L93 Difference]: Finished difference Result 3650 states and 4839 transitions. [2018-11-18 16:56:57,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:56:57,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-11-18 16:56:57,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:56:57,970 INFO L225 Difference]: With dead ends: 3650 [2018-11-18 16:56:57,970 INFO L226 Difference]: Without dead ends: 1869 [2018-11-18 16:56:57,973 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:56:57,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2018-11-18 16:56:58,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1855. [2018-11-18 16:56:58,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2018-11-18 16:56:58,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2433 transitions. [2018-11-18 16:56:58,070 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2433 transitions. Word has length 155 [2018-11-18 16:56:58,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:56:58,071 INFO L480 AbstractCegarLoop]: Abstraction has 1855 states and 2433 transitions. [2018-11-18 16:56:58,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:56:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2433 transitions. [2018-11-18 16:56:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 16:56:58,074 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:56:58,075 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:56:58,075 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:56:58,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:56:58,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1286066294, now seen corresponding path program 1 times [2018-11-18 16:56:58,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:56:58,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:58,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:56:58,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:58,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:56:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 16:56:58,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:56:58,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:56:58,215 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:56:58,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:56:58,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:56:58,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:56:58,215 INFO L87 Difference]: Start difference. First operand 1855 states and 2433 transitions. Second operand 4 states. [2018-11-18 16:56:58,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:56:58,273 INFO L93 Difference]: Finished difference Result 3686 states and 4841 transitions. [2018-11-18 16:56:58,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:56:58,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2018-11-18 16:56:58,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:56:58,279 INFO L225 Difference]: With dead ends: 3686 [2018-11-18 16:56:58,279 INFO L226 Difference]: Without dead ends: 1856 [2018-11-18 16:56:58,282 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:56:58,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2018-11-18 16:56:58,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1856. [2018-11-18 16:56:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2018-11-18 16:56:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2434 transitions. [2018-11-18 16:56:58,335 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2434 transitions. Word has length 160 [2018-11-18 16:56:58,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:56:58,335 INFO L480 AbstractCegarLoop]: Abstraction has 1856 states and 2434 transitions. [2018-11-18 16:56:58,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:56:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2434 transitions. [2018-11-18 16:56:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 16:56:58,338 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:56:58,339 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 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] [2018-11-18 16:56:58,339 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:56:58,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:56:58,339 INFO L82 PathProgramCache]: Analyzing trace with hash -529699804, now seen corresponding path program 1 times [2018-11-18 16:56:58,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:56:58,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:58,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:56:58,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:56:58,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:56:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 16:56:58,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:56:58,492 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:56:58,492 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-18 16:56:58,494 INFO L202 CegarAbsIntRunner]: [0], [2], [3], [4], [6], [8], [11], [13], [15], [120], [123], [126], [129], [132], [134], [138], [141], [144], [146], [149], [158], [177], [180], [183], [186], [189], [191], [201], [283], [284], [285], [289], [295], [300], [312], [316], [320], [321], [322], [323], [325], [327], [328], [329], [330], [404], [408], [421], [423], [436], [438], [445], [447], [451], [453], [466], [467], [470], [472], [473], [475], [476], [478], [479], [491], [493], [497], [499], [500], [501], [512], [513], [522], [524], [525], [528], [532], [534], [535], [536], [537], [538], [540], [545], [549], [552], [553], [555], [556], [566], [567], [568], [569], [570], [571], [572], [573], [574], [575], [576], [577], [580], [581], [582], [583], [584], [585], [588], [589], [602], [604], [605], [606], [607], [608], [609], [630], [631], [636], [637], [638], [639], [640], [641], [644], [645], [646], [647], [652], [653], [654], [655], [656], [658], [659], [662], [663], [664] [2018-11-18 16:56:58,528 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:56:58,529 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:56:58,628 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:429) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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.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.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 [2018-11-18 16:56:58,632 INFO L168 Benchmark]: Toolchain (without parser) took 15173.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 287.3 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -103.2 MB). Peak memory consumption was 184.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:56:58,634 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:56:58,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1374.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 951.2 MB in the beginning and 898.3 MB in the end (delta: 52.9 MB). Peak memory consumption was 245.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:56:58,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.31 ms. Allocated memory is still 1.2 GB. Free memory is still 898.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:56:58,635 INFO L168 Benchmark]: Boogie Preprocessor took 66.04 ms. Allocated memory is still 1.2 GB. Free memory was 898.3 MB in the beginning and 887.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:56:58,635 INFO L168 Benchmark]: RCFGBuilder took 3201.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 887.8 MB in the beginning and 995.8 MB in the end (delta: -108.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:56:58,636 INFO L168 Benchmark]: TraceAbstraction took 10495.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 989.3 MB in the beginning and 1.1 GB in the end (delta: -65.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:56:58,639 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1374.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 951.2 MB in the beginning and 898.3 MB in the end (delta: 52.9 MB). Peak memory consumption was 245.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.31 ms. Allocated memory is still 1.2 GB. Free memory is still 898.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.04 ms. Allocated memory is still 1.2 GB. Free memory was 898.3 MB in the beginning and 887.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3201.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 887.8 MB in the beginning and 995.8 MB in the end (delta: -108.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10495.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 989.3 MB in the beginning and 1.1 GB in the end (delta: -65.1 MB). Peak memory consumption was 7.7 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 0.1.23-5842f4b [2018-11-18 16:57:00,048 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:57:00,049 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:57:00,057 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:57:00,057 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:57:00,058 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:57:00,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:57:00,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:57:00,061 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:57:00,062 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:57:00,063 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:57:00,063 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:57:00,063 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:57:00,064 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:57:00,065 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:57:00,065 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:57:00,067 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:57:00,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:57:00,069 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:57:00,071 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:57:00,072 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:57:00,072 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:57:00,074 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:57:00,074 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:57:00,074 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:57:00,075 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:57:00,076 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:57:00,076 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:57:00,077 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:57:00,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:57:00,078 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:57:00,079 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:57:00,079 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:57:00,079 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:57:00,080 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:57:00,080 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:57:00,081 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-18 16:57:00,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:57:00,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:57:00,092 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:57:00,092 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:57:00,093 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:57:00,093 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:57:00,093 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:57:00,093 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:57:00,093 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:57:00,093 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:57:00,094 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:57:00,095 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:57:00,095 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:57:00,095 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:57:00,095 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:57:00,096 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:57:00,096 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:57:00,096 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:57:00,096 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:57:00,096 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:57:00,096 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:57:00,096 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:57:00,097 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:57:00,097 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:57:00,097 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:57:00,097 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:57:00,097 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:57:00,097 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:57:00,098 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 16:57:00,098 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:57:00,098 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:57:00,100 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:57:00,100 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_e61bf42c-35f2-444b-9fc5-ad6111e93627/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 -> 0de7475e00f374e67fc99009efc13708f1536ba3 [2018-11-18 16:57:00,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:57:00,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:57:00,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:57:00,146 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:57:00,147 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:57:00,147 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 16:57:00,194 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data/e0a4aaa62/84be1cd870174e73853c1ce0072b00f6/FLAG2d9fd5383 [2018-11-18 16:57:00,657 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:57:00,658 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 16:57:00,675 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data/e0a4aaa62/84be1cd870174e73853c1ce0072b00f6/FLAG2d9fd5383 [2018-11-18 16:57:00,959 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/data/e0a4aaa62/84be1cd870174e73853c1ce0072b00f6 [2018-11-18 16:57:00,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:57:00,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:57:00,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:57:00,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:57:00,964 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:57:00,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:57:00" (1/1) ... [2018-11-18 16:57:00,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f4e00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:00, skipping insertion in model container [2018-11-18 16:57:00,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:57:00" (1/1) ... [2018-11-18 16:57:00,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:57:01,031 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:57:01,943 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:57:02,069 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:57:02,293 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:57:02,345 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:57:02,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02 WrapperNode [2018-11-18 16:57:02,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:57:02,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:57:02,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:57:02,346 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:57:02,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... [2018-11-18 16:57:02,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... [2018-11-18 16:57:02,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:57:02,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:57:02,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:57:02,382 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:57:02,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... [2018-11-18 16:57:02,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... [2018-11-18 16:57:02,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... [2018-11-18 16:57:02,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... [2018-11-18 16:57:02,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... [2018-11-18 16:57:02,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... [2018-11-18 16:57:02,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... [2018-11-18 16:57:02,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:57:02,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:57:02,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:57:02,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:57:02,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/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 [2018-11-18 16:57:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-11-18 16:57:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 16:57:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-18 16:57:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-18 16:57:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-18 16:57:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:57:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 16:57:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-18 16:57:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-18 16:57:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-18 16:57:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-18 16:57:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-18 16:57:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-18 16:57:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-18 16:57:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-18 16:57:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-11-18 16:57:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-11-18 16:57:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-11-18 16:57:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-11-18 16:57:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-11-18 16:57:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-11-18 16:57:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-18 16:57:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-18 16:57:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2018-11-18 16:57:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2018-11-18 16:57:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-18 16:57:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-18 16:57:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-11-18 16:57:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-18 16:57:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-18 16:57:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-11-18 16:57:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-18 16:57:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-18 16:57:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2018-11-18 16:57:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-18 16:57:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-18 16:57:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-18 16:57:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-11-18 16:57:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-11-18 16:57:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-18 16:57:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-18 16:57:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-11-18 16:57:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:57:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:57:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-11-18 16:57:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2018-11-18 16:57:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2018-11-18 16:57:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-18 16:57:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-18 16:57:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_init [2018-11-18 16:57:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_init [2018-11-18 16:57:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:57:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:57:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 16:57:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-18 16:57:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-18 16:57:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-11-18 16:57:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 16:57:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-18 16:57:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-18 16:57:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-18 16:57:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2018-11-18 16:57:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2018-11-18 16:57:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2018-11-18 16:57:02,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2018-11-18 16:57:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2018-11-18 16:57:02,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2018-11-18 16:57:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2018-11-18 16:57:02,504 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2018-11-18 16:57:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2018-11-18 16:57:02,504 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2018-11-18 16:57:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_exit [2018-11-18 16:57:02,505 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_exit [2018-11-18 16:57:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 16:57:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-18 16:57:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:57:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2018-11-18 16:57:02,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2018-11-18 16:57:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 16:57:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-18 16:57:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2018-11-18 16:57:02,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2018-11-18 16:57:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_bind [2018-11-18 16:57:02,506 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_bind [2018-11-18 16:57:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2018-11-18 16:57:02,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2018-11-18 16:57:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-18 16:57:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-18 16:57:02,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-18 16:57:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-18 16:57:02,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-18 16:57:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:57:02,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:57:04,196 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:57:04,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:57:04 BoogieIcfgContainer [2018-11-18 16:57:04,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:57:04,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:57:04,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:57:04,200 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:57:04,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:57:00" (1/3) ... [2018-11-18 16:57:04,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7424e761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:57:04, skipping insertion in model container [2018-11-18 16:57:04,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:57:02" (2/3) ... [2018-11-18 16:57:04,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7424e761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:57:04, skipping insertion in model container [2018-11-18 16:57:04,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:57:04" (3/3) ... [2018-11-18 16:57:04,203 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 16:57:04,210 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:57:04,216 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:57:04,227 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:57:04,252 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:57:04,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:57:04,252 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:57:04,252 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:57:04,253 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:57:04,253 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:57:04,253 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:57:04,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:57:04,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:57:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states. [2018-11-18 16:57:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 16:57:04,278 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:57:04,279 INFO L375 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] [2018-11-18 16:57:04,280 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:57:04,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:57:04,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1297736535, now seen corresponding path program 1 times [2018-11-18 16:57:04,288 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 16:57:04,289 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 16:57:04,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:57:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:04,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:57:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 16:57:04,498 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 16:57:04,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:57:04,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:57:04,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:57:04,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:57:04,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:57:04,519 INFO L87 Difference]: Start difference. First operand 280 states. Second operand 2 states. [2018-11-18 16:57:04,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:57:04,545 INFO L93 Difference]: Finished difference Result 280 states and 358 transitions. [2018-11-18 16:57:04,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:57:04,547 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 61 [2018-11-18 16:57:04,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:57:04,552 INFO L225 Difference]: With dead ends: 280 [2018-11-18 16:57:04,553 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:57:04,556 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:57:04,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:57:04,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:57:04,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:57:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:57:04,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-18 16:57:04,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:57:04,576 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:57:04,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:57:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:57:04,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:57:04,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:57:04,726 INFO L428 ceAbstractionStarter]: At program point ldv_skb_allocENTRY(lines 6430 6445) the Hoare annotation is: true [2018-11-18 16:57:04,727 INFO L425 ceAbstractionStarter]: For program point ldv_skb_allocEXIT(lines 6430 6445) no Hoare annotation was computed. [2018-11-18 16:57:04,727 INFO L425 ceAbstractionStarter]: For program point L6438(lines 6438 6443) no Hoare annotation was computed. [2018-11-18 16:57:04,727 INFO L425 ceAbstractionStarter]: For program point L6441-1(line 6441) no Hoare annotation was computed. [2018-11-18 16:57:04,727 INFO L428 ceAbstractionStarter]: At program point L6441(line 6441) the Hoare annotation is: true [2018-11-18 16:57:04,727 INFO L425 ceAbstractionStarter]: For program point ldv_skb_allocFINAL(lines 6430 6445) no Hoare annotation was computed. [2018-11-18 16:57:04,727 INFO L425 ceAbstractionStarter]: For program point L6436-1(line 6436) no Hoare annotation was computed. [2018-11-18 16:57:04,727 INFO L428 ceAbstractionStarter]: At program point L6436(line 6436) the Hoare annotation is: true [2018-11-18 16:57:04,727 INFO L425 ceAbstractionStarter]: For program point gl620a_driver_initFINAL(lines 5922 5930) no Hoare annotation was computed. [2018-11-18 16:57:04,727 INFO L425 ceAbstractionStarter]: For program point gl620a_driver_initEXIT(lines 5922 5930) no Hoare annotation was computed. [2018-11-18 16:57:04,727 INFO L428 ceAbstractionStarter]: At program point L5927(line 5927) the Hoare annotation is: true [2018-11-18 16:57:04,727 INFO L425 ceAbstractionStarter]: For program point L5927-1(line 5927) no Hoare annotation was computed. [2018-11-18 16:57:04,728 INFO L428 ceAbstractionStarter]: At program point gl620a_driver_initENTRY(lines 5922 5930) the Hoare annotation is: true [2018-11-18 16:57:04,728 INFO L425 ceAbstractionStarter]: For program point L6047(lines 6047 6056) no Hoare annotation was computed. [2018-11-18 16:57:04,728 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 5973 6190) no Hoare annotation was computed. [2018-11-18 16:57:04,728 INFO L428 ceAbstractionStarter]: At program point L6097(line 6097) the Hoare annotation is: true [2018-11-18 16:57:04,728 INFO L425 ceAbstractionStarter]: For program point L6081(lines 6081 6113) no Hoare annotation was computed. [2018-11-18 16:57:04,728 INFO L428 ceAbstractionStarter]: At program point L6131(line 6131) the Hoare annotation is: true [2018-11-18 16:57:04,728 INFO L425 ceAbstractionStarter]: For program point L6131-1(line 6131) no Hoare annotation was computed. [2018-11-18 16:57:04,728 INFO L425 ceAbstractionStarter]: For program point L6164(line 6164) no Hoare annotation was computed. [2018-11-18 16:57:04,728 INFO L425 ceAbstractionStarter]: For program point L6082(line 6082) no Hoare annotation was computed. [2018-11-18 16:57:04,728 INFO L425 ceAbstractionStarter]: For program point L6181(line 6181) no Hoare annotation was computed. [2018-11-18 16:57:04,728 INFO L425 ceAbstractionStarter]: For program point L6049(lines 6049 6053) no Hoare annotation was computed. [2018-11-18 16:57:04,728 INFO L425 ceAbstractionStarter]: For program point L6165(lines 6165 6171) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6000(lines 6000 6183) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 5973 6190) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L428 ceAbstractionStarter]: At program point L6182(line 6182) the Hoare annotation is: true [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6083(lines 6083 6089) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6034(line 6034) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6001(line 6001) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6150(line 6150) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6084-1(line 6084) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6018(line 6018) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L428 ceAbstractionStarter]: At program point L6084(line 6084) the Hoare annotation is: true [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6035(lines 6035 6044) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6002(lines 6002 6076) no Hoare annotation was computed. [2018-11-18 16:57:04,729 INFO L425 ceAbstractionStarter]: For program point L6151(lines 6151 6156) no Hoare annotation was computed. [2018-11-18 16:57:04,730 INFO L428 ceAbstractionStarter]: At program point L6184(lines 5986 6189) the Hoare annotation is: true [2018-11-18 16:57:04,730 INFO L425 ceAbstractionStarter]: For program point L6019(lines 6019 6025) no Hoare annotation was computed. [2018-11-18 16:57:04,730 INFO L425 ceAbstractionStarter]: For program point L6151-2(lines 6122 6175) no Hoare annotation was computed. [2018-11-18 16:57:04,730 INFO L425 ceAbstractionStarter]: For program point L6019-2(lines 6004 6072) no Hoare annotation was computed. [2018-11-18 16:57:04,730 INFO L425 ceAbstractionStarter]: For program point L6119(line 6119) no Hoare annotation was computed. [2018-11-18 16:57:04,730 INFO L425 ceAbstractionStarter]: For program point L6152-1(line 6152) no Hoare annotation was computed. [2018-11-18 16:57:04,730 INFO L428 ceAbstractionStarter]: At program point L6152(line 6152) the Hoare annotation is: true [2018-11-18 16:57:04,730 INFO L428 ceAbstractionStarter]: At program point L5987(line 5987) the Hoare annotation is: true [2018-11-18 16:57:04,730 INFO L425 ceAbstractionStarter]: For program point L5987-1(line 5987) no Hoare annotation was computed. [2018-11-18 16:57:04,730 INFO L428 ceAbstractionStarter]: At program point L6103(lines 5986 6189) the Hoare annotation is: true [2018-11-18 16:57:04,730 INFO L425 ceAbstractionStarter]: For program point L6070(line 6070) no Hoare annotation was computed. [2018-11-18 16:57:04,730 INFO L425 ceAbstractionStarter]: For program point L6037(lines 6037 6041) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L425 ceAbstractionStarter]: For program point L6004(lines 6004 6072) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L425 ceAbstractionStarter]: For program point L6120(lines 6120 6179) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L428 ceAbstractionStarter]: At program point L6071(line 6071) the Hoare annotation is: true [2018-11-18 16:57:04,731 INFO L425 ceAbstractionStarter]: For program point L6137(line 6137) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L425 ceAbstractionStarter]: For program point L6005(line 6005) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L425 ceAbstractionStarter]: For program point L6187(line 6187) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L428 ceAbstractionStarter]: At program point L5989(line 5989) the Hoare annotation is: true [2018-11-18 16:57:04,731 INFO L425 ceAbstractionStarter]: For program point L5989-1(line 5989) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L425 ceAbstractionStarter]: For program point L6138(lines 6138 6148) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L425 ceAbstractionStarter]: For program point L6006(lines 6006 6016) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L425 ceAbstractionStarter]: For program point L6122(lines 6122 6175) no Hoare annotation was computed. [2018-11-18 16:57:04,731 INFO L428 ceAbstractionStarter]: At program point L6139(line 6139) the Hoare annotation is: true [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L6139-1(line 6139) no Hoare annotation was computed. [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L6123(line 6123) no Hoare annotation was computed. [2018-11-18 16:57:04,732 INFO L428 ceAbstractionStarter]: At program point L5991(line 5991) the Hoare annotation is: true [2018-11-18 16:57:04,732 INFO L428 ceAbstractionStarter]: At program point L5991-1(line 5991) the Hoare annotation is: true [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L6173(line 6173) no Hoare annotation was computed. [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L6140(lines 6140 6145) no Hoare annotation was computed. [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L6008(lines 6008 6013) no Hoare annotation was computed. [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L6091(line 6091) no Hoare annotation was computed. [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L6058(line 6058) no Hoare annotation was computed. [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L6124-2(lines 6122 6175) no Hoare annotation was computed. [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L6124(lines 6124 6129) no Hoare annotation was computed. [2018-11-18 16:57:04,732 INFO L425 ceAbstractionStarter]: For program point L5992(line 5992) no Hoare annotation was computed. [2018-11-18 16:57:04,733 INFO L428 ceAbstractionStarter]: At program point L6174(line 6174) the Hoare annotation is: true [2018-11-18 16:57:04,733 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 5973 6190) the Hoare annotation is: true [2018-11-18 16:57:04,733 INFO L428 ceAbstractionStarter]: At program point L6158(line 6158) the Hoare annotation is: true [2018-11-18 16:57:04,733 INFO L425 ceAbstractionStarter]: For program point L6059(lines 6059 6068) no Hoare annotation was computed. [2018-11-18 16:57:04,733 INFO L428 ceAbstractionStarter]: At program point L6125(line 6125) the Hoare annotation is: true [2018-11-18 16:57:04,733 INFO L425 ceAbstractionStarter]: For program point L6158-1(line 6158) no Hoare annotation was computed. [2018-11-18 16:57:04,733 INFO L425 ceAbstractionStarter]: For program point L6092(lines 6092 6109) no Hoare annotation was computed. [2018-11-18 16:57:04,733 INFO L425 ceAbstractionStarter]: For program point L6125-1(line 6125) no Hoare annotation was computed. [2018-11-18 16:57:04,733 INFO L428 ceAbstractionStarter]: At program point L5993(line 5993) the Hoare annotation is: true [2018-11-18 16:57:04,733 INFO L425 ceAbstractionStarter]: For program point L5993-1(line 5993) no Hoare annotation was computed. [2018-11-18 16:57:04,733 INFO L428 ceAbstractionStarter]: At program point L6093(line 6093) the Hoare annotation is: true [2018-11-18 16:57:04,733 INFO L425 ceAbstractionStarter]: For program point L6093-1(line 6093) no Hoare annotation was computed. [2018-11-18 16:57:04,733 INFO L425 ceAbstractionStarter]: For program point L6094(lines 6094 6100) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L425 ceAbstractionStarter]: For program point L6061(lines 6061 6065) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L425 ceAbstractionStarter]: For program point L6094-1(lines 6092 6107) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L425 ceAbstractionStarter]: For program point L6111(line 6111) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L425 ceAbstractionStarter]: For program point L6078(line 6078) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L425 ceAbstractionStarter]: For program point L6079(lines 6079 6117) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L425 ceAbstractionStarter]: For program point L6046(line 6046) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L428 ceAbstractionStarter]: At program point L6112(line 6112) the Hoare annotation is: true [2018-11-18 16:57:04,734 INFO L428 ceAbstractionStarter]: At program point ldv_set_initENTRY(lines 6274 6283) the Hoare annotation is: true [2018-11-18 16:57:04,734 INFO L425 ceAbstractionStarter]: For program point ldv_set_initEXIT(lines 6274 6283) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L425 ceAbstractionStarter]: For program point ldv_set_initFINAL(lines 6274 6283) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L425 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 5654 5662) no Hoare annotation was computed. [2018-11-18 16:57:04,734 INFO L428 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 5654 5662) the Hoare annotation is: true [2018-11-18 16:57:04,735 INFO L425 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5660) no Hoare annotation was computed. [2018-11-18 16:57:04,735 INFO L425 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 5654 5662) no Hoare annotation was computed. [2018-11-18 16:57:04,735 INFO L425 ceAbstractionStarter]: For program point ldv_set_addEXIT(lines 6285 6312) no Hoare annotation was computed. [2018-11-18 16:57:04,735 INFO L425 ceAbstractionStarter]: For program point L6297(lines 6297 6301) no Hoare annotation was computed. [2018-11-18 16:57:04,735 INFO L425 ceAbstractionStarter]: For program point L6291-1(lines 6291 6303) no Hoare annotation was computed. [2018-11-18 16:57:04,735 INFO L425 ceAbstractionStarter]: For program point L6291-4(lines 6289 6311) no Hoare annotation was computed. [2018-11-18 16:57:04,735 INFO L428 ceAbstractionStarter]: At program point L6291-3(lines 6291 6303) the Hoare annotation is: true [2018-11-18 16:57:04,735 INFO L425 ceAbstractionStarter]: For program point L6304-1(lines 6285 6312) no Hoare annotation was computed. [2018-11-18 16:57:04,735 INFO L425 ceAbstractionStarter]: For program point L6292-1(lines 6292 6296) no Hoare annotation was computed. [2018-11-18 16:57:04,735 INFO L425 ceAbstractionStarter]: For program point L6292(lines 6292 6296) no Hoare annotation was computed. [2018-11-18 16:57:04,735 INFO L428 ceAbstractionStarter]: At program point ldv_set_addENTRY(lines 6285 6312) the Hoare annotation is: true [2018-11-18 16:57:04,736 INFO L428 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-18 16:57:04,736 INFO L428 ceAbstractionStarter]: At program point #Ultimate.C_memmoveENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:57:04,736 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memmoveFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,736 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memmoveEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,736 INFO L425 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5663 5671) no Hoare annotation was computed. [2018-11-18 16:57:04,736 INFO L425 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5663 5671) no Hoare annotation was computed. [2018-11-18 16:57:04,736 INFO L428 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5663 5671) the Hoare annotation is: true [2018-11-18 16:57:04,736 INFO L428 ceAbstractionStarter]: At program point ldv_initializeENTRY(lines 6446 6454) the Hoare annotation is: true [2018-11-18 16:57:04,736 INFO L425 ceAbstractionStarter]: For program point ldv_initializeFINAL(lines 6446 6454) no Hoare annotation was computed. [2018-11-18 16:57:04,736 INFO L425 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 6446 6454) no Hoare annotation was computed. [2018-11-18 16:57:04,736 INFO L428 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:57:04,736 INFO L425 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,737 INFO L425 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,737 INFO L425 ceAbstractionStarter]: For program point ldv_usb_deregister_14FINAL(lines 6260 6269) no Hoare annotation was computed. [2018-11-18 16:57:04,737 INFO L425 ceAbstractionStarter]: For program point ldv_usb_deregister_14EXIT(lines 6260 6269) no Hoare annotation was computed. [2018-11-18 16:57:04,737 INFO L428 ceAbstractionStarter]: At program point ldv_usb_deregister_14ENTRY(lines 6260 6269) the Hoare annotation is: true [2018-11-18 16:57:04,737 INFO L425 ceAbstractionStarter]: For program point L5900-1(line 5900) no Hoare annotation was computed. [2018-11-18 16:57:04,737 INFO L428 ceAbstractionStarter]: At program point L5898(line 5898) the Hoare annotation is: true [2018-11-18 16:57:04,737 INFO L428 ceAbstractionStarter]: At program point L5900(line 5900) the Hoare annotation is: true [2018-11-18 16:57:04,737 INFO L425 ceAbstractionStarter]: For program point genelink_bindEXIT(lines 5890 5904) no Hoare annotation was computed. [2018-11-18 16:57:04,737 INFO L425 ceAbstractionStarter]: For program point L5898-1(line 5898) no Hoare annotation was computed. [2018-11-18 16:57:04,737 INFO L428 ceAbstractionStarter]: At program point genelink_bindENTRY(lines 5890 5904) the Hoare annotation is: true [2018-11-18 16:57:04,737 INFO L425 ceAbstractionStarter]: For program point genelink_bindFINAL(lines 5890 5904) no Hoare annotation was computed. [2018-11-18 16:57:04,737 INFO L425 ceAbstractionStarter]: For program point ldv__builtin_expectFINAL(lines 5672 5679) no Hoare annotation was computed. [2018-11-18 16:57:04,738 INFO L428 ceAbstractionStarter]: At program point ldv__builtin_expectENTRY(lines 5672 5679) the Hoare annotation is: true [2018-11-18 16:57:04,738 INFO L425 ceAbstractionStarter]: For program point ldv__builtin_expectEXIT(lines 5672 5679) no Hoare annotation was computed. [2018-11-18 16:57:04,738 INFO L425 ceAbstractionStarter]: For program point L6256-1(line 6256) no Hoare annotation was computed. [2018-11-18 16:57:04,738 INFO L425 ceAbstractionStarter]: For program point ldv_usb_register_driver_13FINAL(lines 6245 6259) no Hoare annotation was computed. [2018-11-18 16:57:04,738 INFO L428 ceAbstractionStarter]: At program point L6256(line 6256) the Hoare annotation is: true [2018-11-18 16:57:04,738 INFO L425 ceAbstractionStarter]: For program point ldv_usb_register_driver_13EXIT(lines 6245 6259) no Hoare annotation was computed. [2018-11-18 16:57:04,738 INFO L428 ceAbstractionStarter]: At program point ldv_usb_register_driver_13ENTRY(lines 6245 6259) the Hoare annotation is: true [2018-11-18 16:57:04,738 INFO L428 ceAbstractionStarter]: At program point ldv_initialize_driver_info_2ENTRY(lines 5950 5962) the Hoare annotation is: true [2018-11-18 16:57:04,738 INFO L425 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2EXIT(lines 5950 5962) no Hoare annotation was computed. [2018-11-18 16:57:04,738 INFO L428 ceAbstractionStarter]: At program point L5958(line 5958) the Hoare annotation is: true [2018-11-18 16:57:04,738 INFO L425 ceAbstractionStarter]: For program point L5956-1(line 5956) no Hoare annotation was computed. [2018-11-18 16:57:04,738 INFO L425 ceAbstractionStarter]: For program point L5958-1(line 5958) no Hoare annotation was computed. [2018-11-18 16:57:04,739 INFO L425 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2FINAL(lines 5950 5962) no Hoare annotation was computed. [2018-11-18 16:57:04,739 INFO L428 ceAbstractionStarter]: At program point L5956(line 5956) the Hoare annotation is: true [2018-11-18 16:57:04,739 INFO L425 ceAbstractionStarter]: For program point skb_headroomFINAL(lines 5566 5573) no Hoare annotation was computed. [2018-11-18 16:57:04,739 INFO L425 ceAbstractionStarter]: For program point skb_headroomEXIT(lines 5566 5573) no Hoare annotation was computed. [2018-11-18 16:57:04,739 INFO L428 ceAbstractionStarter]: At program point skb_headroomENTRY(lines 5566 5573) the Hoare annotation is: true [2018-11-18 16:57:04,739 INFO L425 ceAbstractionStarter]: For program point ldv_set_is_emptyEXIT(lines 6378 6385) no Hoare annotation was computed. [2018-11-18 16:57:04,739 INFO L428 ceAbstractionStarter]: At program point ldv_set_is_emptyENTRY(lines 6378 6385) the Hoare annotation is: true [2018-11-18 16:57:04,739 INFO L425 ceAbstractionStarter]: For program point ldv_set_is_emptyFINAL(lines 6378 6385) no Hoare annotation was computed. [2018-11-18 16:57:04,739 INFO L425 ceAbstractionStarter]: For program point atomic_readFINAL(lines 5492 5499) no Hoare annotation was computed. [2018-11-18 16:57:04,739 INFO L425 ceAbstractionStarter]: For program point atomic_readEXIT(lines 5492 5499) no Hoare annotation was computed. [2018-11-18 16:57:04,739 INFO L428 ceAbstractionStarter]: At program point atomic_readENTRY(lines 5492 5499) the Hoare annotation is: true [2018-11-18 16:57:04,739 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,739 INFO L428 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-18 16:57:04,740 INFO L428 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:57:04,740 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,740 INFO L428 ceAbstractionStarter]: At program point skb_reset_tail_pointerENTRY(lines 5544 5552) the Hoare annotation is: true [2018-11-18 16:57:04,740 INFO L425 ceAbstractionStarter]: For program point skb_reset_tail_pointerFINAL(lines 5544 5552) no Hoare annotation was computed. [2018-11-18 16:57:04,740 INFO L425 ceAbstractionStarter]: For program point skb_reset_tail_pointerEXIT(lines 5544 5552) no Hoare annotation was computed. [2018-11-18 16:57:04,740 INFO L428 ceAbstractionStarter]: At program point skb_is_nonlinearENTRY(lines 5536 5543) the Hoare annotation is: true [2018-11-18 16:57:04,740 INFO L425 ceAbstractionStarter]: For program point skb_is_nonlinearFINAL(lines 5536 5543) no Hoare annotation was computed. [2018-11-18 16:57:04,740 INFO L425 ceAbstractionStarter]: For program point skb_is_nonlinearEXIT(lines 5536 5543) no Hoare annotation was computed. [2018-11-18 16:57:04,740 INFO L428 ceAbstractionStarter]: At program point skb_end_pointerENTRY(lines 5507 5514) the Hoare annotation is: true [2018-11-18 16:57:04,740 INFO L425 ceAbstractionStarter]: For program point skb_end_pointerEXIT(lines 5507 5514) no Hoare annotation was computed. [2018-11-18 16:57:04,740 INFO L425 ceAbstractionStarter]: For program point skb_end_pointerFINAL(lines 5507 5514) no Hoare annotation was computed. [2018-11-18 16:57:04,740 INFO L428 ceAbstractionStarter]: At program point L5855(line 5855) the Hoare annotation is: true [2018-11-18 16:57:04,740 INFO L425 ceAbstractionStarter]: For program point L5855-1(line 5855) no Hoare annotation was computed. [2018-11-18 16:57:04,741 INFO L425 ceAbstractionStarter]: For program point genelink_tx_fixupEXIT(lines 5835 5889) no Hoare annotation was computed. [2018-11-18 16:57:04,741 INFO L425 ceAbstractionStarter]: For program point L5882(lines 5882 5886) no Hoare annotation was computed. [2018-11-18 16:57:04,741 INFO L428 ceAbstractionStarter]: At program point L5853(line 5853) the Hoare annotation is: true [2018-11-18 16:57:04,741 INFO L425 ceAbstractionStarter]: For program point L5853-1(line 5853) no Hoare annotation was computed. [2018-11-18 16:57:04,741 INFO L425 ceAbstractionStarter]: For program point L5882-2(lines 5882 5886) no Hoare annotation was computed. [2018-11-18 16:57:04,741 INFO L428 ceAbstractionStarter]: At program point L5858(line 5858) the Hoare annotation is: true [2018-11-18 16:57:04,741 INFO L425 ceAbstractionStarter]: For program point L5860(lines 5860 5866) no Hoare annotation was computed. [2018-11-18 16:57:04,741 INFO L428 ceAbstractionStarter]: At program point genelink_tx_fixupENTRY(lines 5835 5889) the Hoare annotation is: true [2018-11-18 16:57:04,741 INFO L425 ceAbstractionStarter]: For program point L5858-1(line 5858) no Hoare annotation was computed. [2018-11-18 16:57:04,741 INFO L425 ceAbstractionStarter]: For program point genelink_tx_fixupFINAL(lines 5835 5889) no Hoare annotation was computed. [2018-11-18 16:57:04,741 INFO L425 ceAbstractionStarter]: For program point L5871(lines 5871 5875) no Hoare annotation was computed. [2018-11-18 16:57:04,741 INFO L428 ceAbstractionStarter]: At program point L5869(line 5869) the Hoare annotation is: true [2018-11-18 16:57:04,741 INFO L425 ceAbstractionStarter]: For program point L5869-1(line 5869) no Hoare annotation was computed. [2018-11-18 16:57:04,742 INFO L428 ceAbstractionStarter]: At program point L5863(line 5863) the Hoare annotation is: true [2018-11-18 16:57:04,742 INFO L425 ceAbstractionStarter]: For program point L5863-1(line 5863) no Hoare annotation was computed. [2018-11-18 16:57:04,742 INFO L425 ceAbstractionStarter]: For program point L5859(lines 5859 5876) no Hoare annotation was computed. [2018-11-18 16:57:04,742 INFO L425 ceAbstractionStarter]: For program point L5859-1(lines 5859 5876) no Hoare annotation was computed. [2018-11-18 16:57:04,742 INFO L428 ceAbstractionStarter]: At program point L5861(line 5861) the Hoare annotation is: true [2018-11-18 16:57:04,742 INFO L425 ceAbstractionStarter]: For program point L5861-1(line 5861) no Hoare annotation was computed. [2018-11-18 16:57:04,742 INFO L428 ceAbstractionStarter]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:57:04,742 INFO L428 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-18 16:57:04,742 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,742 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,742 INFO L425 ceAbstractionStarter]: For program point skb_clonedFINAL(lines 5515 5535) no Hoare annotation was computed. [2018-11-18 16:57:04,742 INFO L428 ceAbstractionStarter]: At program point L5523(line 5523) the Hoare annotation is: true [2018-11-18 16:57:04,742 INFO L425 ceAbstractionStarter]: For program point L5524-1(line 5524) no Hoare annotation was computed. [2018-11-18 16:57:04,743 INFO L425 ceAbstractionStarter]: For program point L5522(lines 5522 5532) no Hoare annotation was computed. [2018-11-18 16:57:04,743 INFO L425 ceAbstractionStarter]: For program point L5523-1(line 5523) no Hoare annotation was computed. [2018-11-18 16:57:04,743 INFO L425 ceAbstractionStarter]: For program point L5525(lines 5525 5529) no Hoare annotation was computed. [2018-11-18 16:57:04,743 INFO L428 ceAbstractionStarter]: At program point L5524(line 5524) the Hoare annotation is: true [2018-11-18 16:57:04,743 INFO L428 ceAbstractionStarter]: At program point skb_clonedENTRY(lines 5515 5535) the Hoare annotation is: true [2018-11-18 16:57:04,743 INFO L425 ceAbstractionStarter]: For program point L5522-1(lines 5522 5532) no Hoare annotation was computed. [2018-11-18 16:57:04,743 INFO L425 ceAbstractionStarter]: For program point skb_clonedEXIT(lines 5515 5535) no Hoare annotation was computed. [2018-11-18 16:57:04,743 INFO L425 ceAbstractionStarter]: For program point L5795-2(lines 5795 5803) no Hoare annotation was computed. [2018-11-18 16:57:04,743 INFO L428 ceAbstractionStarter]: At program point L5783(line 5783) the Hoare annotation is: true [2018-11-18 16:57:04,743 INFO L425 ceAbstractionStarter]: For program point L5783-1(line 5783) no Hoare annotation was computed. [2018-11-18 16:57:04,743 INFO L425 ceAbstractionStarter]: For program point L5746(lines 5746 5750) no Hoare annotation was computed. [2018-11-18 16:57:04,743 INFO L428 ceAbstractionStarter]: At program point L5821(line 5821) the Hoare annotation is: true [2018-11-18 16:57:04,743 INFO L425 ceAbstractionStarter]: For program point L5821-1(line 5821) no Hoare annotation was computed. [2018-11-18 16:57:04,744 INFO L425 ceAbstractionStarter]: For program point L5784-2(lines 5784 5789) no Hoare annotation was computed. [2018-11-18 16:57:04,744 INFO L425 ceAbstractionStarter]: For program point L5784(lines 5784 5789) no Hoare annotation was computed. [2018-11-18 16:57:04,744 INFO L428 ceAbstractionStarter]: At program point L5809(lines 5745 5833) the Hoare annotation is: true [2018-11-18 16:57:04,744 INFO L425 ceAbstractionStarter]: For program point L5776(lines 5776 5793) no Hoare annotation was computed. [2018-11-18 16:57:04,744 INFO L425 ceAbstractionStarter]: For program point L5760-1(line 5760) no Hoare annotation was computed. [2018-11-18 16:57:04,744 INFO L425 ceAbstractionStarter]: For program point L5822(lines 5822 5827) no Hoare annotation was computed. [2018-11-18 16:57:04,744 INFO L428 ceAbstractionStarter]: At program point L5760(line 5760) the Hoare annotation is: true [2018-11-18 16:57:04,744 INFO L425 ceAbstractionStarter]: For program point L5822-2(lines 5822 5827) no Hoare annotation was computed. [2018-11-18 16:57:04,744 INFO L425 ceAbstractionStarter]: For program point L5814(lines 5814 5831) no Hoare annotation was computed. [2018-11-18 16:57:04,744 INFO L425 ceAbstractionStarter]: For program point genelink_rx_fixupEXIT(lines 5728 5834) no Hoare annotation was computed. [2018-11-18 16:57:04,744 INFO L428 ceAbstractionStarter]: At program point L5798(lines 5798 5799) the Hoare annotation is: true [2018-11-18 16:57:04,744 INFO L428 ceAbstractionStarter]: At program point L5794(line 5794) the Hoare annotation is: true [2018-11-18 16:57:04,744 INFO L425 ceAbstractionStarter]: For program point L5798-1(lines 5798 5799) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L425 ceAbstractionStarter]: For program point L5761-2(lines 5761 5766) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L425 ceAbstractionStarter]: For program point genelink_rx_fixupFINAL(lines 5728 5834) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L425 ceAbstractionStarter]: For program point L5761(lines 5761 5766) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L425 ceAbstractionStarter]: For program point L5794-1(line 5794) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L428 ceAbstractionStarter]: At program point genelink_rx_fixupENTRY(lines 5728 5834) the Hoare annotation is: true [2018-11-18 16:57:04,745 INFO L425 ceAbstractionStarter]: For program point L5753(lines 5753 5770) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L428 ceAbstractionStarter]: At program point L5807(lines 5745 5833) the Hoare annotation is: true [2018-11-18 16:57:04,745 INFO L425 ceAbstractionStarter]: For program point L5795(lines 5795 5803) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L428 ceAbstractionStarter]: At program point __create_pipeENTRY(lines 5715 5722) the Hoare annotation is: true [2018-11-18 16:57:04,745 INFO L425 ceAbstractionStarter]: For program point __create_pipeFINAL(lines 5715 5722) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L425 ceAbstractionStarter]: For program point __create_pipeEXIT(lines 5715 5722) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,745 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:57:04,746 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,746 INFO L428 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 6507 6520) the Hoare annotation is: true [2018-11-18 16:57:04,746 INFO L425 ceAbstractionStarter]: For program point L6512-1(line 6512) no Hoare annotation was computed. [2018-11-18 16:57:04,746 INFO L428 ceAbstractionStarter]: At program point L6512(line 6512) the Hoare annotation is: true [2018-11-18 16:57:04,746 INFO L425 ceAbstractionStarter]: For program point L6513(lines 6513 6517) no Hoare annotation was computed. [2018-11-18 16:57:04,746 INFO L425 ceAbstractionStarter]: For program point L6516-1(lines 6507 6520) no Hoare annotation was computed. [2018-11-18 16:57:04,746 INFO L425 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 6507 6520) no Hoare annotation was computed. [2018-11-18 16:57:04,746 INFO L428 ceAbstractionStarter]: At program point L6516(line 6516) the Hoare annotation is: true [2018-11-18 16:57:04,746 INFO L425 ceAbstractionStarter]: For program point L5968-1(line 5968) no Hoare annotation was computed. [2018-11-18 16:57:04,746 INFO L428 ceAbstractionStarter]: At program point L5968(line 5968) the Hoare annotation is: true [2018-11-18 16:57:04,746 INFO L425 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 5963 5972) no Hoare annotation was computed. [2018-11-18 16:57:04,746 INFO L428 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 5963 5972) the Hoare annotation is: true [2018-11-18 16:57:04,746 INFO L425 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 5963 5972) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L428 ceAbstractionStarter]: At program point skb_set_tail_pointerENTRY(lines 5553 5562) the Hoare annotation is: true [2018-11-18 16:57:04,747 INFO L428 ceAbstractionStarter]: At program point L5558(line 5558) the Hoare annotation is: true [2018-11-18 16:57:04,747 INFO L425 ceAbstractionStarter]: For program point skb_set_tail_pointerFINAL(lines 5553 5562) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L425 ceAbstractionStarter]: For program point skb_set_tail_pointerEXIT(lines 5553 5562) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L425 ceAbstractionStarter]: For program point L5558-1(line 5558) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L425 ceAbstractionStarter]: For program point L5617(lines 5617 5624) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L425 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 5609 5626) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L425 ceAbstractionStarter]: For program point L5620-1(line 5620) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L428 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 5609 5626) the Hoare annotation is: true [2018-11-18 16:57:04,747 INFO L425 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 5609 5626) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L428 ceAbstractionStarter]: At program point L5620(line 5620) the Hoare annotation is: true [2018-11-18 16:57:04,747 INFO L425 ceAbstractionStarter]: For program point gl620a_driver_exitFINAL(lines 5931 5939) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L425 ceAbstractionStarter]: For program point gl620a_driver_exitEXIT(lines 5931 5939) no Hoare annotation was computed. [2018-11-18 16:57:04,747 INFO L428 ceAbstractionStarter]: At program point gl620a_driver_exitENTRY(lines 5931 5939) the Hoare annotation is: true [2018-11-18 16:57:04,748 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,748 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 16:57:04,748 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:57:04,748 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:57:04,748 INFO L428 ceAbstractionStarter]: At program point dev_kfree_skb_anyENTRY(lines 5701 5709) the Hoare annotation is: true [2018-11-18 16:57:04,748 INFO L425 ceAbstractionStarter]: For program point dev_kfree_skb_anyEXIT(lines 5701 5709) no Hoare annotation was computed. [2018-11-18 16:57:04,748 INFO L425 ceAbstractionStarter]: For program point dev_kfree_skb_anyFINAL(lines 5701 5709) no Hoare annotation was computed. [2018-11-18 16:57:04,748 INFO L425 ceAbstractionStarter]: For program point ldv_alloc_skb_12FINAL(lines 6236 6244) no Hoare annotation was computed. [2018-11-18 16:57:04,748 INFO L428 ceAbstractionStarter]: At program point L6241(line 6241) the Hoare annotation is: true [2018-11-18 16:57:04,748 INFO L425 ceAbstractionStarter]: For program point L6241-1(line 6241) no Hoare annotation was computed. [2018-11-18 16:57:04,748 INFO L425 ceAbstractionStarter]: For program point ldv_alloc_skb_12EXIT(lines 6236 6244) no Hoare annotation was computed. [2018-11-18 16:57:04,748 INFO L428 ceAbstractionStarter]: At program point ldv_alloc_skb_12ENTRY(lines 6236 6244) the Hoare annotation is: true [2018-11-18 16:57:04,748 INFO L428 ceAbstractionStarter]: At program point skb_tailroomENTRY(lines 5574 5582) the Hoare annotation is: true [2018-11-18 16:57:04,749 INFO L428 ceAbstractionStarter]: At program point L5579(line 5579) the Hoare annotation is: true [2018-11-18 16:57:04,749 INFO L425 ceAbstractionStarter]: For program point L5579-1(line 5579) no Hoare annotation was computed. [2018-11-18 16:57:04,749 INFO L425 ceAbstractionStarter]: For program point L5580-2(line 5580) no Hoare annotation was computed. [2018-11-18 16:57:04,749 INFO L425 ceAbstractionStarter]: For program point L5580(line 5580) no Hoare annotation was computed. [2018-11-18 16:57:04,749 INFO L425 ceAbstractionStarter]: For program point skb_tailroomFINAL(lines 5574 5582) no Hoare annotation was computed. [2018-11-18 16:57:04,749 INFO L425 ceAbstractionStarter]: For program point skb_tailroomEXIT(lines 5574 5582) no Hoare annotation was computed. [2018-11-18 16:57:04,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:57:04 BoogieIcfgContainer [2018-11-18 16:57:04,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:57:04,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:57:04,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:57:04,757 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:57:04,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:57:04" (3/4) ... [2018-11-18 16:57:04,760 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_alloc [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure gl620a_driver_init [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_init [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_add [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2018-11-18 16:57:04,766 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_14 [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure genelink_bind [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_13 [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize_driver_info_2 [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_headroom [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_is_empty [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_reset_tail_pointer [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_is_nonlinear [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_end_pointer [2018-11-18 16:57:04,767 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure genelink_tx_fixup [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_cloned [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure genelink_rx_fixup [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_set_tail_pointer [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-18 16:57:04,768 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure gl620a_driver_exit [2018-11-18 16:57:04,769 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2018-11-18 16:57:04,769 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_alloc_skb_12 [2018-11-18 16:57:04,769 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_tailroom [2018-11-18 16:57:04,780 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 189 nodes and edges [2018-11-18 16:57:04,781 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2018-11-18 16:57:04,781 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-11-18 16:57:04,782 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-18 16:57:04,783 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 16:57:04,783 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 16:57:04,784 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:57:04,870 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e61bf42c-35f2-444b-9fc5-ad6111e93627/bin-2019/utaipan/witness.graphml [2018-11-18 16:57:04,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:57:04,871 INFO L168 Benchmark]: Toolchain (without parser) took 3909.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.3 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 124.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:04,872 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-18 16:57:04,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1383.05 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 248.5 MB). Free memory was 939.0 MB in the beginning and 961.1 MB in the end (delta: -22.1 MB). Peak memory consumption was 250.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:04,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.44 ms. Allocated memory is still 1.3 GB. Free memory was 961.1 MB in the beginning and 951.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:04,873 INFO L168 Benchmark]: Boogie Preprocessor took 67.62 ms. Allocated memory is still 1.3 GB. Free memory was 951.8 MB in the beginning and 942.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:04,873 INFO L168 Benchmark]: RCFGBuilder took 1747.77 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.8 MB). Free memory was 942.4 MB in the beginning and 1.2 GB in the end (delta: -254.5 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:04,873 INFO L168 Benchmark]: TraceAbstraction took 558.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 97.1 MB). Peak memory consumption was 97.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:04,873 INFO L168 Benchmark]: Witness Printer took 113.89 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:57:04,875 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 1383.05 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 248.5 MB). Free memory was 939.0 MB in the beginning and 961.1 MB in the end (delta: -22.1 MB). Peak memory consumption was 250.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.44 ms. Allocated memory is still 1.3 GB. Free memory was 961.1 MB in the beginning and 951.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.62 ms. Allocated memory is still 1.3 GB. Free memory was 951.8 MB in the beginning and 942.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1747.77 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.8 MB). Free memory was 942.4 MB in the beginning and 1.2 GB in the end (delta: -254.5 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 558.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 97.1 MB). Peak memory consumption was 97.1 MB. Max. memory is 11.5 GB. * Witness Printer took 113.89 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5660]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5986]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 282 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 91 LocationsWithAnnotation, 124 PreInvPairs, 124 NumberOfFragments, 91 HoareAnnotationTreeSize, 124 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 91 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 3600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 365 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...