./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/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_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/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_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/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_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/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-aa41828 [2018-11-22 22:11:29,598 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:11:29,599 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:11:29,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:11:29,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:11:29,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:11:29,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:11:29,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:11:29,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:11:29,611 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:11:29,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:11:29,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:11:29,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:11:29,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:11:29,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:11:29,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:11:29,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:11:29,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:11:29,617 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:11:29,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:11:29,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:11:29,619 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:11:29,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:11:29,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:11:29,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:11:29,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:11:29,622 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:11:29,623 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:11:29,624 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:11:29,624 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:11:29,624 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:11:29,625 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:11:29,625 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:11:29,625 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:11:29,626 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:11:29,626 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:11:29,627 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-22 22:11:29,636 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:11:29,636 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:11:29,637 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:11:29,637 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:11:29,637 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:11:29,637 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:11:29,637 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:11:29,637 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:11:29,637 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:11:29,637 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:11:29,637 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-22 22:11:29,638 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:11:29,638 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:11:29,638 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:11:29,638 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:11:29,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:11:29,638 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:11:29,638 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:11:29,639 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:11:29,639 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:11:29,639 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:11:29,639 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:11:29,639 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:11:29,639 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:11:29,639 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:11:29,639 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:11:29,640 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:11:29,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:11:29,640 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:11:29,640 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:11:29,640 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:11:29,640 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:11:29,640 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:11:29,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:11:29,640 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:11:29,640 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-22 22:11:29,640 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_b2cadf51-9bd7-474d-8261-1eb905146b6b/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 [2018-11-22 22:11:29,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:11:29,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:11:29,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:11:29,673 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:11:29,673 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:11:29,674 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-22 22:11:29,709 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data/6290604ca/3114b83d945d410e9aa49ea06734e8f4/FLAGa57db5365 [2018-11-22 22:11:30,162 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:11:30,162 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-22 22:11:30,180 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data/6290604ca/3114b83d945d410e9aa49ea06734e8f4/FLAGa57db5365 [2018-11-22 22:11:30,689 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data/6290604ca/3114b83d945d410e9aa49ea06734e8f4 [2018-11-22 22:11:30,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:11:30,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:11:30,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:11:30,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:11:30,695 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:11:30,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:11:30" (1/1) ... [2018-11-22 22:11:30,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c996d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:30, skipping insertion in model container [2018-11-22 22:11:30,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:11:30" (1/1) ... [2018-11-22 22:11:30,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:11:30,764 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:11:31,478 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:11:31,496 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:11:31,622 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:11:31,659 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:11:31,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31 WrapperNode [2018-11-22 22:11:31,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:11:31,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:11:31,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:11:31,660 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:11:31,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... [2018-11-22 22:11:31,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... [2018-11-22 22:11:31,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:11:31,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:11:31,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:11:31,697 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:11:31,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... [2018-11-22 22:11:31,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... [2018-11-22 22:11:31,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... [2018-11-22 22:11:31,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... [2018-11-22 22:11:31,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... [2018-11-22 22:11:31,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... [2018-11-22 22:11:31,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... [2018-11-22 22:11:31,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:11:31,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:11:31,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:11:31,762 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:11:31,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/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 [2018-11-22 22:11:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-11-22 22:11:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_init [2018-11-22 22:11:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_init [2018-11-22 22:11:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:11:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:11:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-22 22:11:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 22:11:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-22 22:11:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-22 22:11:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:11:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-22 22:11:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-22 22:11:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-22 22:11:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-22 22:11:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-22 22:11:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-22 22:11:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 22:11:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-22 22:11:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-22 22:11:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-22 22:11:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-11-22 22:11:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 22:11:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-11-22 22:11:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-11-22 22:11:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-22 22:11:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-22 22:11:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-11-22 22:11:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-11-22 22:11:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-11-22 22:11:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-11-22 22:11:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-22 22:11:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2018-11-22 22:11:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2018-11-22 22:11:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2018-11-22 22:11:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2018-11-22 22:11:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2018-11-22 22:11:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2018-11-22 22:11:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2018-11-22 22:11:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2018-11-22 22:11:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-22 22:11:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-22 22:11:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2018-11-22 22:11:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2018-11-22 22:11:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2018-11-22 22:11:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2018-11-22 22:11:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-22 22:11:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-22 22:11:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-11-22 22:11:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-22 22:11:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-22 22:11:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_exit [2018-11-22 22:11:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_exit [2018-11-22 22:11:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-11-22 22:11:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-11-22 22:11:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:11:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2018-11-22 22:11:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2018-11-22 22:11:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 22:11:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-22 22:11:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-22 22:11:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-22 22:11:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-22 22:11:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 22:11:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-22 22:11:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-22 22:11:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-11-22 22:11:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2018-11-22 22:11:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2018-11-22 22:11:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2018-11-22 22:11:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2018-11-22 22:11:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2018-11-22 22:11:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_bind [2018-11-22 22:11:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_bind [2018-11-22 22:11:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-22 22:11:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-22 22:11:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2018-11-22 22:11:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2018-11-22 22:11:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-11-22 22:11:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-11-22 22:11:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-22 22:11:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-22 22:11:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-11-22 22:11:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:11:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:11:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:11:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-22 22:11:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-22 22:11:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-22 22:11:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-11-22 22:11:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-22 22:11:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-22 22:11:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2018-11-22 22:11:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2018-11-22 22:11:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:11:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:11:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-22 22:11:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-22 22:11:32,872 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:11:32,872 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 22:11:32,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:11:32 BoogieIcfgContainer [2018-11-22 22:11:32,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:11:32,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:11:32,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:11:32,876 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:11:32,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:11:30" (1/3) ... [2018-11-22 22:11:32,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e95c571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:11:32, skipping insertion in model container [2018-11-22 22:11:32,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:31" (2/3) ... [2018-11-22 22:11:32,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e95c571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:11:32, skipping insertion in model container [2018-11-22 22:11:32,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:11:32" (3/3) ... [2018-11-22 22:11:32,879 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 [2018-11-22 22:11:32,886 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:11:32,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:11:32,902 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:11:32,925 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:11:32,925 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:11:32,925 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:11:32,925 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:11:32,926 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:11:32,926 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:11:32,926 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:11:32,926 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:11:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2018-11-22 22:11:32,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-22 22:11:32,952 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:11:32,952 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:11:32,954 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:11:32,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:11:32,958 INFO L82 PathProgramCache]: Analyzing trace with hash -394839393, now seen corresponding path program 1 times [2018-11-22 22:11:32,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:11:33,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:33,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:11:33,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:33,005 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:11:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:11:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 22:11:33,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:11:33,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:11:33,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:11:33,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:11:33,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:11:33,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:11:33,265 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 3 states. [2018-11-22 22:11:33,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:11:33,661 INFO L93 Difference]: Finished difference Result 731 states and 968 transitions. [2018-11-22 22:11:33,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:11:33,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-22 22:11:33,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:11:33,673 INFO L225 Difference]: With dead ends: 731 [2018-11-22 22:11:33,674 INFO L226 Difference]: Without dead ends: 460 [2018-11-22 22:11:33,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:11:33,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-11-22 22:11:33,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2018-11-22 22:11:33,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2018-11-22 22:11:33,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 594 transitions. [2018-11-22 22:11:33,737 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 594 transitions. Word has length 61 [2018-11-22 22:11:33,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:11:33,737 INFO L480 AbstractCegarLoop]: Abstraction has 460 states and 594 transitions. [2018-11-22 22:11:33,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:11:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 594 transitions. [2018-11-22 22:11:33,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-22 22:11:33,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:11:33,742 INFO L402 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] [2018-11-22 22:11:33,743 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:11:33,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:11:33,743 INFO L82 PathProgramCache]: Analyzing trace with hash 438082953, now seen corresponding path program 1 times [2018-11-22 22:11:33,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:11:33,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:33,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:11:33,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:33,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:11:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:11:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-22 22:11:33,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:11:33,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:11:33,891 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:11:33,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:11:33,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:11:33,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:11:33,893 INFO L87 Difference]: Start difference. First operand 460 states and 594 transitions. Second operand 7 states. [2018-11-22 22:11:34,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:11:34,715 INFO L93 Difference]: Finished difference Result 1331 states and 1746 transitions. [2018-11-22 22:11:34,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:11:34,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2018-11-22 22:11:34,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:11:34,722 INFO L225 Difference]: With dead ends: 1331 [2018-11-22 22:11:34,722 INFO L226 Difference]: Without dead ends: 880 [2018-11-22 22:11:34,724 INFO L631 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 [2018-11-22 22:11:34,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2018-11-22 22:11:34,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2018-11-22 22:11:34,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2018-11-22 22:11:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1150 transitions. [2018-11-22 22:11:34,767 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1150 transitions. Word has length 77 [2018-11-22 22:11:34,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:11:34,768 INFO L480 AbstractCegarLoop]: Abstraction has 880 states and 1150 transitions. [2018-11-22 22:11:34,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:11:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1150 transitions. [2018-11-22 22:11:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-22 22:11:34,772 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:11:34,773 INFO L402 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] [2018-11-22 22:11:34,773 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:11:34,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:11:34,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1356810009, now seen corresponding path program 1 times [2018-11-22 22:11:34,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:11:34,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:34,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:11:34,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:34,777 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:11:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:11:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-22 22:11:34,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:11:34,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:11:34,864 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:11:34,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:11:34,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:11:34,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:11:34,865 INFO L87 Difference]: Start difference. First operand 880 states and 1150 transitions. Second operand 3 states. [2018-11-22 22:11:34,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:11:34,936 INFO L93 Difference]: Finished difference Result 1947 states and 2580 transitions. [2018-11-22 22:11:34,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:11:34,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-11-22 22:11:34,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:11:34,941 INFO L225 Difference]: With dead ends: 1947 [2018-11-22 22:11:34,941 INFO L226 Difference]: Without dead ends: 1092 [2018-11-22 22:11:34,943 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:11:34,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2018-11-22 22:11:34,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1073. [2018-11-22 22:11:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1073 states. [2018-11-22 22:11:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1437 transitions. [2018-11-22 22:11:34,982 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1437 transitions. Word has length 124 [2018-11-22 22:11:34,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:11:34,983 INFO L480 AbstractCegarLoop]: Abstraction has 1073 states and 1437 transitions. [2018-11-22 22:11:34,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:11:34,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1437 transitions. [2018-11-22 22:11:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-22 22:11:34,986 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:11:34,986 INFO L402 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] [2018-11-22 22:11:34,986 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:11:34,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:11:34,987 INFO L82 PathProgramCache]: Analyzing trace with hash 111635043, now seen corresponding path program 1 times [2018-11-22 22:11:34,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:11:34,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:34,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:11:34,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:34,990 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:11:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:11:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-22 22:11:35,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:11:35,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:11:35,126 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:11:35,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:11:35,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:11:35,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:11:35,127 INFO L87 Difference]: Start difference. First operand 1073 states and 1437 transitions. Second operand 3 states. [2018-11-22 22:11:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:11:35,545 INFO L93 Difference]: Finished difference Result 2865 states and 3822 transitions. [2018-11-22 22:11:35,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:11:35,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-22 22:11:35,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:11:35,552 INFO L225 Difference]: With dead ends: 2865 [2018-11-22 22:11:35,552 INFO L226 Difference]: Without dead ends: 1826 [2018-11-22 22:11:35,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:11:35,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2018-11-22 22:11:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1807. [2018-11-22 22:11:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1807 states. [2018-11-22 22:11:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2377 transitions. [2018-11-22 22:11:35,614 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2377 transitions. Word has length 154 [2018-11-22 22:11:35,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:11:35,614 INFO L480 AbstractCegarLoop]: Abstraction has 1807 states and 2377 transitions. [2018-11-22 22:11:35,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:11:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2377 transitions. [2018-11-22 22:11:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-22 22:11:35,618 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:11:35,618 INFO L402 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] [2018-11-22 22:11:35,618 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:11:35,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:11:35,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1932507, now seen corresponding path program 1 times [2018-11-22 22:11:35,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:11:35,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:35,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:11:35,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:35,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:11:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:11:35,740 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-22 22:11:35,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:11:35,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:11:35,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:11:35,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:11:35,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:11:35,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:11:35,742 INFO L87 Difference]: Start difference. First operand 1807 states and 2377 transitions. Second operand 5 states. [2018-11-22 22:11:35,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:11:35,799 INFO L93 Difference]: Finished difference Result 3634 states and 4823 transitions. [2018-11-22 22:11:35,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:11:35,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2018-11-22 22:11:35,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:11:35,805 INFO L225 Difference]: With dead ends: 3634 [2018-11-22 22:11:35,806 INFO L226 Difference]: Without dead ends: 1861 [2018-11-22 22:11:35,809 INFO L631 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 [2018-11-22 22:11:35,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2018-11-22 22:11:35,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1847. [2018-11-22 22:11:35,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2018-11-22 22:11:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2425 transitions. [2018-11-22 22:11:35,863 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2425 transitions. Word has length 154 [2018-11-22 22:11:35,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:11:35,867 INFO L480 AbstractCegarLoop]: Abstraction has 1847 states and 2425 transitions. [2018-11-22 22:11:35,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:11:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2425 transitions. [2018-11-22 22:11:35,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-22 22:11:35,870 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:11:35,870 INFO L402 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] [2018-11-22 22:11:35,870 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:11:35,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:11:35,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1563025411, now seen corresponding path program 1 times [2018-11-22 22:11:35,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:11:35,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:35,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:11:35,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:35,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:11:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:11:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-22 22:11:35,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:11:35,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:11:35,992 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:11:35,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:11:35,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:11:35,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:11:35,993 INFO L87 Difference]: Start difference. First operand 1847 states and 2425 transitions. Second operand 4 states. [2018-11-22 22:11:36,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:11:36,052 INFO L93 Difference]: Finished difference Result 3670 states and 4825 transitions. [2018-11-22 22:11:36,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 22:11:36,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2018-11-22 22:11:36,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:11:36,059 INFO L225 Difference]: With dead ends: 3670 [2018-11-22 22:11:36,059 INFO L226 Difference]: Without dead ends: 1848 [2018-11-22 22:11:36,063 INFO L631 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 [2018-11-22 22:11:36,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2018-11-22 22:11:36,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 1848. [2018-11-22 22:11:36,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1848 states. [2018-11-22 22:11:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 2426 transitions. [2018-11-22 22:11:36,116 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 2426 transitions. Word has length 159 [2018-11-22 22:11:36,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:11:36,117 INFO L480 AbstractCegarLoop]: Abstraction has 1848 states and 2426 transitions. [2018-11-22 22:11:36,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:11:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2426 transitions. [2018-11-22 22:11:36,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-22 22:11:36,120 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:11:36,120 INFO L402 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] [2018-11-22 22:11:36,120 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:11:36,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:11:36,121 INFO L82 PathProgramCache]: Analyzing trace with hash 479045673, now seen corresponding path program 1 times [2018-11-22 22:11:36,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:11:36,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:36,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:11:36,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:11:36,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:11:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:11:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-22 22:11:36,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:11:36,299 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:11:36,300 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-22 22:11:36,302 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], [294], [299], [311], [315], [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] [2018-11-22 22:11:36,336 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:11:36,336 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:11:36,519 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java: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.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 [2018-11-22 22:11:36,522 INFO L168 Benchmark]: Toolchain (without parser) took 5830.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:36,524 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:11:36,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 100.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:36,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:36,525 INFO L168 Benchmark]: Boogie Preprocessor took 65.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:36,525 INFO L168 Benchmark]: RCFGBuilder took 1111.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.6 MB in the end (delta: 151.8 MB). Peak memory consumption was 151.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:36,526 INFO L168 Benchmark]: TraceAbstraction took 3648.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 919.6 MB in the beginning and 1.1 GB in the end (delta: -212.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:11:36,529 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 966.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 100.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1111.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.6 MB in the end (delta: 151.8 MB). Peak memory consumption was 151.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3648.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 919.6 MB in the beginning and 1.1 GB in the end (delta: -212.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-22 22:11:37,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:11:37,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:11:37,938 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:11:37,938 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:11:37,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:11:37,939 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:11:37,940 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:11:37,941 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:11:37,942 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:11:37,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:11:37,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:11:37,944 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:11:37,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:11:37,945 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:11:37,946 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:11:37,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:11:37,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:11:37,949 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:11:37,950 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:11:37,951 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:11:37,952 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:11:37,954 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:11:37,954 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:11:37,955 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:11:37,956 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:11:37,956 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:11:37,957 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:11:37,957 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:11:37,958 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:11:37,958 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:11:37,959 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:11:37,959 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:11:37,959 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:11:37,960 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:11:37,961 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:11:37,961 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-22 22:11:37,972 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:11:37,972 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:11:37,973 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:11:37,973 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:11:37,973 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:11:37,973 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:11:37,973 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:11:37,973 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:11:37,973 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:11:37,974 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:11:37,974 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:11:37,974 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:11:37,975 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:11:37,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:11:37,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:11:37,975 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 22:11:37,976 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 22:11:37,976 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:11:37,976 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:11:37,976 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:11:37,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:11:37,976 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:11:37,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:11:37,976 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:11:37,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:11:37,977 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:11:37,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:11:37,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:11:37,977 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-22 22:11:37,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:11:37,977 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 22:11:37,977 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 22:11:37,977 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_b2cadf51-9bd7-474d-8261-1eb905146b6b/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 [2018-11-22 22:11:38,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:11:38,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:11:38,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:11:38,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:11:38,017 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:11:38,018 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-22 22:11:38,052 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data/8efb47ecc/215edc29f6264fbcbdd04ca45012b344/FLAG5ff911a68 [2018-11-22 22:11:38,531 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:11:38,532 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point_false-unreach-call.cil.out.c [2018-11-22 22:11:38,552 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data/8efb47ecc/215edc29f6264fbcbdd04ca45012b344/FLAG5ff911a68 [2018-11-22 22:11:38,810 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/data/8efb47ecc/215edc29f6264fbcbdd04ca45012b344 [2018-11-22 22:11:38,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:11:38,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:11:38,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:11:38,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:11:38,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:11:38,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:11:38" (1/1) ... [2018-11-22 22:11:38,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4429310d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:38, skipping insertion in model container [2018-11-22 22:11:38,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:11:38" (1/1) ... [2018-11-22 22:11:38,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:11:38,895 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:11:39,590 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:11:39,711 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:11:39,841 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:11:39,896 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:11:39,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39 WrapperNode [2018-11-22 22:11:39,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:11:39,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:11:39,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:11:39,897 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:11:39,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... [2018-11-22 22:11:39,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... [2018-11-22 22:11:39,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:11:39,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:11:39,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:11:39,935 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:11:39,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... [2018-11-22 22:11:39,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... [2018-11-22 22:11:39,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... [2018-11-22 22:11:39,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... [2018-11-22 22:11:39,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... [2018-11-22 22:11:39,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... [2018-11-22 22:11:40,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... [2018-11-22 22:11:40,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:11:40,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:11:40,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:11:40,010 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:11:40,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/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 [2018-11-22 22:11:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-11-22 22:11:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-22 22:11:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-22 22:11:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-22 22:11:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-22 22:11:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:11:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 22:11:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-22 22:11:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-22 22:11:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-22 22:11:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-22 22:11:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-22 22:11:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-22 22:11:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-22 22:11:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-22 22:11:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-11-22 22:11:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-11-22 22:11:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-11-22 22:11:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-11-22 22:11:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-11-22 22:11:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-11-22 22:11:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-22 22:11:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-22 22:11:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2018-11-22 22:11:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2018-11-22 22:11:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-22 22:11:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-22 22:11:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-11-22 22:11:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-22 22:11:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-22 22:11:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-11-22 22:11:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-11-22 22:11:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-22 22:11:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-22 22:11:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-22 22:11:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-22 22:11:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-22 22:11:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-11-22 22:11:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2018-11-22 22:11:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-22 22:11:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-22 22:11:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-22 22:11:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2018-11-22 22:11:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2018-11-22 22:11:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-22 22:11:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-22 22:11:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-22 22:11:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-11-22 22:11:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-11-22 22:11:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-22 22:11:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-22 22:11:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-11-22 22:11:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:11:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:11:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-11-22 22:11:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2018-11-22 22:11:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2018-11-22 22:11:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-22 22:11:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-22 22:11:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_init [2018-11-22 22:11:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_init [2018-11-22 22:11:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:11:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:11:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 22:11:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-22 22:11:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-22 22:11:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-11-22 22:11:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 22:11:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-22 22:11:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-22 22:11:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-22 22:11:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2018-11-22 22:11:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2018-11-22 22:11:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2018-11-22 22:11:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2018-11-22 22:11:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2018-11-22 22:11:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2018-11-22 22:11:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2018-11-22 22:11:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2018-11-22 22:11:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2018-11-22 22:11:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2018-11-22 22:11:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_exit [2018-11-22 22:11:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_exit [2018-11-22 22:11:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-22 22:11:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-22 22:11:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:11:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2018-11-22 22:11:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2018-11-22 22:11:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-22 22:11:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 22:11:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-22 22:11:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-22 22:11:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-22 22:11:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-22 22:11:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2018-11-22 22:11:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2018-11-22 22:11:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_bind [2018-11-22 22:11:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_bind [2018-11-22 22:11:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2018-11-22 22:11:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2018-11-22 22:11:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-22 22:11:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-22 22:11:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-22 22:11:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-22 22:11:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-22 22:11:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:11:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:11:44,224 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:11:44,225 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 22:11:44,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:11:44 BoogieIcfgContainer [2018-11-22 22:11:44,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:11:44,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:11:44,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:11:44,229 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:11:44,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:11:38" (1/3) ... [2018-11-22 22:11:44,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aeeca99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:11:44, skipping insertion in model container [2018-11-22 22:11:44,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:11:39" (2/3) ... [2018-11-22 22:11:44,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aeeca99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:11:44, skipping insertion in model container [2018-11-22 22:11:44,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:11:44" (3/3) ... [2018-11-22 22:11:44,231 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 [2018-11-22 22:11:44,238 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:11:44,243 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:11:44,252 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:11:44,275 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:11:44,276 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:11:44,276 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:11:44,276 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:11:44,276 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:11:44,277 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:11:44,277 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:11:44,277 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:11:44,277 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:11:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2018-11-22 22:11:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-22 22:11:44,299 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:11:44,300 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:11:44,301 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:11:44,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:11:44,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1297736535, now seen corresponding path program 1 times [2018-11-22 22:11:44,309 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:11:44,309 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/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 [2018-11-22 22:11:44,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:11:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:11:44,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:11:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 22:11:44,493 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:11:44,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:11:44,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:11:44,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:11:44,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:11:44,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:11:44,508 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 2 states. [2018-11-22 22:11:44,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:11:44,531 INFO L93 Difference]: Finished difference Result 279 states and 358 transitions. [2018-11-22 22:11:44,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:11:44,532 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 61 [2018-11-22 22:11:44,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:11:44,536 INFO L225 Difference]: With dead ends: 279 [2018-11-22 22:11:44,536 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:11:44,539 INFO L631 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 [2018-11-22 22:11:44,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:11:44,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:11:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:11:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:11:44,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-22 22:11:44,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:11:44,556 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:11:44,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:11:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:11:44,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:11:44,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:11:44,689 INFO L451 ceAbstractionStarter]: At program point ldv_skb_allocENTRY(lines 6430 6445) the Hoare annotation is: true [2018-11-22 22:11:44,689 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocEXIT(lines 6430 6445) no Hoare annotation was computed. [2018-11-22 22:11:44,689 INFO L448 ceAbstractionStarter]: For program point L6438(lines 6438 6443) no Hoare annotation was computed. [2018-11-22 22:11:44,689 INFO L448 ceAbstractionStarter]: For program point L6441-1(line 6441) no Hoare annotation was computed. [2018-11-22 22:11:44,689 INFO L451 ceAbstractionStarter]: At program point L6441(line 6441) the Hoare annotation is: true [2018-11-22 22:11:44,690 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocFINAL(lines 6430 6445) no Hoare annotation was computed. [2018-11-22 22:11:44,690 INFO L448 ceAbstractionStarter]: For program point L6436-1(line 6436) no Hoare annotation was computed. [2018-11-22 22:11:44,690 INFO L451 ceAbstractionStarter]: At program point L6436(line 6436) the Hoare annotation is: true [2018-11-22 22:11:44,690 INFO L448 ceAbstractionStarter]: For program point gl620a_driver_initFINAL(lines 5922 5930) no Hoare annotation was computed. [2018-11-22 22:11:44,690 INFO L448 ceAbstractionStarter]: For program point gl620a_driver_initEXIT(lines 5922 5930) no Hoare annotation was computed. [2018-11-22 22:11:44,690 INFO L451 ceAbstractionStarter]: At program point L5927(line 5927) the Hoare annotation is: true [2018-11-22 22:11:44,690 INFO L448 ceAbstractionStarter]: For program point L5927-1(line 5927) no Hoare annotation was computed. [2018-11-22 22:11:44,692 INFO L451 ceAbstractionStarter]: At program point gl620a_driver_initENTRY(lines 5922 5930) the Hoare annotation is: true [2018-11-22 22:11:44,692 INFO L448 ceAbstractionStarter]: For program point L6047(lines 6047 6056) no Hoare annotation was computed. [2018-11-22 22:11:44,692 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 5973 6190) no Hoare annotation was computed. [2018-11-22 22:11:44,692 INFO L451 ceAbstractionStarter]: At program point L6097(line 6097) the Hoare annotation is: true [2018-11-22 22:11:44,692 INFO L448 ceAbstractionStarter]: For program point L6081(lines 6081 6113) no Hoare annotation was computed. [2018-11-22 22:11:44,692 INFO L451 ceAbstractionStarter]: At program point L6131(line 6131) the Hoare annotation is: true [2018-11-22 22:11:44,692 INFO L448 ceAbstractionStarter]: For program point L6131-1(line 6131) no Hoare annotation was computed. [2018-11-22 22:11:44,692 INFO L448 ceAbstractionStarter]: For program point L6164(line 6164) no Hoare annotation was computed. [2018-11-22 22:11:44,693 INFO L448 ceAbstractionStarter]: For program point L6082(line 6082) no Hoare annotation was computed. [2018-11-22 22:11:44,693 INFO L448 ceAbstractionStarter]: For program point L6181(line 6181) no Hoare annotation was computed. [2018-11-22 22:11:44,693 INFO L448 ceAbstractionStarter]: For program point L6049(lines 6049 6053) no Hoare annotation was computed. [2018-11-22 22:11:44,693 INFO L448 ceAbstractionStarter]: For program point L6165(lines 6165 6171) no Hoare annotation was computed. [2018-11-22 22:11:44,693 INFO L448 ceAbstractionStarter]: For program point L6000(lines 6000 6183) no Hoare annotation was computed. [2018-11-22 22:11:44,693 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 5973 6190) no Hoare annotation was computed. [2018-11-22 22:11:44,693 INFO L451 ceAbstractionStarter]: At program point L6182(line 6182) the Hoare annotation is: true [2018-11-22 22:11:44,693 INFO L448 ceAbstractionStarter]: For program point L6083(lines 6083 6089) no Hoare annotation was computed. [2018-11-22 22:11:44,693 INFO L448 ceAbstractionStarter]: For program point L6034(line 6034) no Hoare annotation was computed. [2018-11-22 22:11:44,693 INFO L448 ceAbstractionStarter]: For program point L6001(line 6001) no Hoare annotation was computed. [2018-11-22 22:11:44,694 INFO L448 ceAbstractionStarter]: For program point L6150(line 6150) no Hoare annotation was computed. [2018-11-22 22:11:44,694 INFO L448 ceAbstractionStarter]: For program point L6084-1(line 6084) no Hoare annotation was computed. [2018-11-22 22:11:44,694 INFO L448 ceAbstractionStarter]: For program point L6018(line 6018) no Hoare annotation was computed. [2018-11-22 22:11:44,694 INFO L451 ceAbstractionStarter]: At program point L6084(line 6084) the Hoare annotation is: true [2018-11-22 22:11:44,694 INFO L448 ceAbstractionStarter]: For program point L6035(lines 6035 6044) no Hoare annotation was computed. [2018-11-22 22:11:44,694 INFO L448 ceAbstractionStarter]: For program point L6002(lines 6002 6076) no Hoare annotation was computed. [2018-11-22 22:11:44,694 INFO L448 ceAbstractionStarter]: For program point L6151(lines 6151 6156) no Hoare annotation was computed. [2018-11-22 22:11:44,694 INFO L451 ceAbstractionStarter]: At program point L6184(lines 5986 6189) the Hoare annotation is: true [2018-11-22 22:11:44,694 INFO L448 ceAbstractionStarter]: For program point L6019(lines 6019 6025) no Hoare annotation was computed. [2018-11-22 22:11:44,695 INFO L448 ceAbstractionStarter]: For program point L6151-2(lines 6122 6175) no Hoare annotation was computed. [2018-11-22 22:11:44,695 INFO L448 ceAbstractionStarter]: For program point L6019-2(lines 6004 6072) no Hoare annotation was computed. [2018-11-22 22:11:44,695 INFO L448 ceAbstractionStarter]: For program point L6119(line 6119) no Hoare annotation was computed. [2018-11-22 22:11:44,695 INFO L448 ceAbstractionStarter]: For program point L6152-1(line 6152) no Hoare annotation was computed. [2018-11-22 22:11:44,695 INFO L451 ceAbstractionStarter]: At program point L6152(line 6152) the Hoare annotation is: true [2018-11-22 22:11:44,695 INFO L451 ceAbstractionStarter]: At program point L5987(line 5987) the Hoare annotation is: true [2018-11-22 22:11:44,695 INFO L448 ceAbstractionStarter]: For program point L5987-1(line 5987) no Hoare annotation was computed. [2018-11-22 22:11:44,695 INFO L451 ceAbstractionStarter]: At program point L6103(lines 5986 6189) the Hoare annotation is: true [2018-11-22 22:11:44,695 INFO L448 ceAbstractionStarter]: For program point L6070(line 6070) no Hoare annotation was computed. [2018-11-22 22:11:44,695 INFO L448 ceAbstractionStarter]: For program point L6037(lines 6037 6041) no Hoare annotation was computed. [2018-11-22 22:11:44,696 INFO L448 ceAbstractionStarter]: For program point L6004(lines 6004 6072) no Hoare annotation was computed. [2018-11-22 22:11:44,696 INFO L448 ceAbstractionStarter]: For program point L6120(lines 6120 6179) no Hoare annotation was computed. [2018-11-22 22:11:44,696 INFO L451 ceAbstractionStarter]: At program point L6071(line 6071) the Hoare annotation is: true [2018-11-22 22:11:44,696 INFO L448 ceAbstractionStarter]: For program point L6137(line 6137) no Hoare annotation was computed. [2018-11-22 22:11:44,696 INFO L448 ceAbstractionStarter]: For program point L6005(line 6005) no Hoare annotation was computed. [2018-11-22 22:11:44,696 INFO L448 ceAbstractionStarter]: For program point L6187(line 6187) no Hoare annotation was computed. [2018-11-22 22:11:44,696 INFO L451 ceAbstractionStarter]: At program point L5989(line 5989) the Hoare annotation is: true [2018-11-22 22:11:44,696 INFO L448 ceAbstractionStarter]: For program point L5989-1(line 5989) no Hoare annotation was computed. [2018-11-22 22:11:44,696 INFO L448 ceAbstractionStarter]: For program point L6138(lines 6138 6148) no Hoare annotation was computed. [2018-11-22 22:11:44,696 INFO L448 ceAbstractionStarter]: For program point L6006(lines 6006 6016) no Hoare annotation was computed. [2018-11-22 22:11:44,697 INFO L448 ceAbstractionStarter]: For program point L6122(lines 6122 6175) no Hoare annotation was computed. [2018-11-22 22:11:44,697 INFO L451 ceAbstractionStarter]: At program point L6139(line 6139) the Hoare annotation is: true [2018-11-22 22:11:44,697 INFO L448 ceAbstractionStarter]: For program point L6139-1(line 6139) no Hoare annotation was computed. [2018-11-22 22:11:44,697 INFO L448 ceAbstractionStarter]: For program point L6123(line 6123) no Hoare annotation was computed. [2018-11-22 22:11:44,697 INFO L451 ceAbstractionStarter]: At program point L5991(line 5991) the Hoare annotation is: true [2018-11-22 22:11:44,697 INFO L451 ceAbstractionStarter]: At program point L5991-1(line 5991) the Hoare annotation is: true [2018-11-22 22:11:44,697 INFO L448 ceAbstractionStarter]: For program point L6173(line 6173) no Hoare annotation was computed. [2018-11-22 22:11:44,697 INFO L448 ceAbstractionStarter]: For program point L6140(lines 6140 6145) no Hoare annotation was computed. [2018-11-22 22:11:44,697 INFO L448 ceAbstractionStarter]: For program point L6008(lines 6008 6013) no Hoare annotation was computed. [2018-11-22 22:11:44,697 INFO L448 ceAbstractionStarter]: For program point L6091(line 6091) no Hoare annotation was computed. [2018-11-22 22:11:44,698 INFO L448 ceAbstractionStarter]: For program point L6058(line 6058) no Hoare annotation was computed. [2018-11-22 22:11:44,698 INFO L448 ceAbstractionStarter]: For program point L6124-2(lines 6122 6175) no Hoare annotation was computed. [2018-11-22 22:11:44,698 INFO L448 ceAbstractionStarter]: For program point L6124(lines 6124 6129) no Hoare annotation was computed. [2018-11-22 22:11:44,698 INFO L448 ceAbstractionStarter]: For program point L5992(line 5992) no Hoare annotation was computed. [2018-11-22 22:11:44,698 INFO L451 ceAbstractionStarter]: At program point L6174(line 6174) the Hoare annotation is: true [2018-11-22 22:11:44,698 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 5973 6190) the Hoare annotation is: true [2018-11-22 22:11:44,698 INFO L451 ceAbstractionStarter]: At program point L6158(line 6158) the Hoare annotation is: true [2018-11-22 22:11:44,698 INFO L448 ceAbstractionStarter]: For program point L6059(lines 6059 6068) no Hoare annotation was computed. [2018-11-22 22:11:44,703 INFO L451 ceAbstractionStarter]: At program point L6125(line 6125) the Hoare annotation is: true [2018-11-22 22:11:44,703 INFO L448 ceAbstractionStarter]: For program point L6158-1(line 6158) no Hoare annotation was computed. [2018-11-22 22:11:44,703 INFO L448 ceAbstractionStarter]: For program point L6092(lines 6092 6109) no Hoare annotation was computed. [2018-11-22 22:11:44,703 INFO L448 ceAbstractionStarter]: For program point L6125-1(line 6125) no Hoare annotation was computed. [2018-11-22 22:11:44,703 INFO L451 ceAbstractionStarter]: At program point L5993(line 5993) the Hoare annotation is: true [2018-11-22 22:11:44,703 INFO L448 ceAbstractionStarter]: For program point L5993-1(line 5993) no Hoare annotation was computed. [2018-11-22 22:11:44,703 INFO L451 ceAbstractionStarter]: At program point L6093(line 6093) the Hoare annotation is: true [2018-11-22 22:11:44,703 INFO L448 ceAbstractionStarter]: For program point L6093-1(line 6093) no Hoare annotation was computed. [2018-11-22 22:11:44,703 INFO L448 ceAbstractionStarter]: For program point L6094(lines 6094 6100) no Hoare annotation was computed. [2018-11-22 22:11:44,704 INFO L448 ceAbstractionStarter]: For program point L6061(lines 6061 6065) no Hoare annotation was computed. [2018-11-22 22:11:44,704 INFO L448 ceAbstractionStarter]: For program point L6094-1(lines 6092 6107) no Hoare annotation was computed. [2018-11-22 22:11:44,704 INFO L448 ceAbstractionStarter]: For program point L6111(line 6111) no Hoare annotation was computed. [2018-11-22 22:11:44,704 INFO L448 ceAbstractionStarter]: For program point L6078(line 6078) no Hoare annotation was computed. [2018-11-22 22:11:44,704 INFO L448 ceAbstractionStarter]: For program point L6079(lines 6079 6117) no Hoare annotation was computed. [2018-11-22 22:11:44,704 INFO L448 ceAbstractionStarter]: For program point L6046(line 6046) no Hoare annotation was computed. [2018-11-22 22:11:44,704 INFO L451 ceAbstractionStarter]: At program point L6112(line 6112) the Hoare annotation is: true [2018-11-22 22:11:44,704 INFO L451 ceAbstractionStarter]: At program point ldv_set_initENTRY(lines 6274 6283) the Hoare annotation is: true [2018-11-22 22:11:44,704 INFO L448 ceAbstractionStarter]: For program point ldv_set_initEXIT(lines 6274 6283) no Hoare annotation was computed. [2018-11-22 22:11:44,704 INFO L448 ceAbstractionStarter]: For program point ldv_set_initFINAL(lines 6274 6283) no Hoare annotation was computed. [2018-11-22 22:11:44,705 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5660) no Hoare annotation was computed. [2018-11-22 22:11:44,705 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 5654 5662) no Hoare annotation was computed. [2018-11-22 22:11:44,705 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 5654 5662) the Hoare annotation is: true [2018-11-22 22:11:44,705 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 5654 5662) no Hoare annotation was computed. [2018-11-22 22:11:44,705 INFO L448 ceAbstractionStarter]: For program point ldv_set_addEXIT(lines 6285 6312) no Hoare annotation was computed. [2018-11-22 22:11:44,705 INFO L448 ceAbstractionStarter]: For program point L6297(lines 6297 6301) no Hoare annotation was computed. [2018-11-22 22:11:44,705 INFO L451 ceAbstractionStarter]: At program point L6291-2(lines 6291 6303) the Hoare annotation is: true [2018-11-22 22:11:44,705 INFO L448 ceAbstractionStarter]: For program point L6291-3(lines 6289 6311) no Hoare annotation was computed. [2018-11-22 22:11:44,705 INFO L448 ceAbstractionStarter]: For program point L6304-1(lines 6285 6312) no Hoare annotation was computed. [2018-11-22 22:11:44,705 INFO L448 ceAbstractionStarter]: For program point L6292-1(lines 6292 6296) no Hoare annotation was computed. [2018-11-22 22:11:44,705 INFO L448 ceAbstractionStarter]: For program point L6292(lines 6292 6296) no Hoare annotation was computed. [2018-11-22 22:11:44,706 INFO L451 ceAbstractionStarter]: At program point ldv_set_addENTRY(lines 6285 6312) the Hoare annotation is: true [2018-11-22 22:11:44,706 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-22 22:11:44,706 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memmoveENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:11:44,706 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memmoveFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,706 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memmoveEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,706 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5663 5671) no Hoare annotation was computed. [2018-11-22 22:11:44,706 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5663 5671) no Hoare annotation was computed. [2018-11-22 22:11:44,709 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5663 5671) the Hoare annotation is: true [2018-11-22 22:11:44,710 INFO L451 ceAbstractionStarter]: At program point ldv_initializeENTRY(lines 6446 6454) the Hoare annotation is: true [2018-11-22 22:11:44,710 INFO L448 ceAbstractionStarter]: For program point ldv_initializeFINAL(lines 6446 6454) no Hoare annotation was computed. [2018-11-22 22:11:44,710 INFO L448 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 6446 6454) no Hoare annotation was computed. [2018-11-22 22:11:44,710 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:11:44,710 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,710 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,710 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_14FINAL(lines 6260 6269) no Hoare annotation was computed. [2018-11-22 22:11:44,710 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_14EXIT(lines 6260 6269) no Hoare annotation was computed. [2018-11-22 22:11:44,710 INFO L451 ceAbstractionStarter]: At program point ldv_usb_deregister_14ENTRY(lines 6260 6269) the Hoare annotation is: true [2018-11-22 22:11:44,710 INFO L448 ceAbstractionStarter]: For program point L5900-1(line 5900) no Hoare annotation was computed. [2018-11-22 22:11:44,710 INFO L451 ceAbstractionStarter]: At program point L5898(line 5898) the Hoare annotation is: true [2018-11-22 22:11:44,711 INFO L451 ceAbstractionStarter]: At program point L5900(line 5900) the Hoare annotation is: true [2018-11-22 22:11:44,711 INFO L448 ceAbstractionStarter]: For program point genelink_bindEXIT(lines 5890 5904) no Hoare annotation was computed. [2018-11-22 22:11:44,711 INFO L448 ceAbstractionStarter]: For program point L5898-1(line 5898) no Hoare annotation was computed. [2018-11-22 22:11:44,711 INFO L451 ceAbstractionStarter]: At program point genelink_bindENTRY(lines 5890 5904) the Hoare annotation is: true [2018-11-22 22:11:44,711 INFO L448 ceAbstractionStarter]: For program point genelink_bindFINAL(lines 5890 5904) no Hoare annotation was computed. [2018-11-22 22:11:44,711 INFO L448 ceAbstractionStarter]: For program point ldv__builtin_expectFINAL(lines 5672 5679) no Hoare annotation was computed. [2018-11-22 22:11:44,711 INFO L451 ceAbstractionStarter]: At program point ldv__builtin_expectENTRY(lines 5672 5679) the Hoare annotation is: true [2018-11-22 22:11:44,711 INFO L448 ceAbstractionStarter]: For program point ldv__builtin_expectEXIT(lines 5672 5679) no Hoare annotation was computed. [2018-11-22 22:11:44,711 INFO L448 ceAbstractionStarter]: For program point L6256-1(line 6256) no Hoare annotation was computed. [2018-11-22 22:11:44,711 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_13FINAL(lines 6245 6259) no Hoare annotation was computed. [2018-11-22 22:11:44,711 INFO L451 ceAbstractionStarter]: At program point L6256(line 6256) the Hoare annotation is: true [2018-11-22 22:11:44,712 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_13EXIT(lines 6245 6259) no Hoare annotation was computed. [2018-11-22 22:11:44,712 INFO L451 ceAbstractionStarter]: At program point ldv_usb_register_driver_13ENTRY(lines 6245 6259) the Hoare annotation is: true [2018-11-22 22:11:44,712 INFO L451 ceAbstractionStarter]: At program point ldv_initialize_driver_info_2ENTRY(lines 5950 5962) the Hoare annotation is: true [2018-11-22 22:11:44,712 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2EXIT(lines 5950 5962) no Hoare annotation was computed. [2018-11-22 22:11:44,712 INFO L451 ceAbstractionStarter]: At program point L5958(line 5958) the Hoare annotation is: true [2018-11-22 22:11:44,712 INFO L448 ceAbstractionStarter]: For program point L5956-1(line 5956) no Hoare annotation was computed. [2018-11-22 22:11:44,712 INFO L448 ceAbstractionStarter]: For program point L5958-1(line 5958) no Hoare annotation was computed. [2018-11-22 22:11:44,712 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2FINAL(lines 5950 5962) no Hoare annotation was computed. [2018-11-22 22:11:44,712 INFO L451 ceAbstractionStarter]: At program point L5956(line 5956) the Hoare annotation is: true [2018-11-22 22:11:44,712 INFO L448 ceAbstractionStarter]: For program point skb_headroomFINAL(lines 5566 5573) no Hoare annotation was computed. [2018-11-22 22:11:44,712 INFO L448 ceAbstractionStarter]: For program point skb_headroomEXIT(lines 5566 5573) no Hoare annotation was computed. [2018-11-22 22:11:44,713 INFO L451 ceAbstractionStarter]: At program point skb_headroomENTRY(lines 5566 5573) the Hoare annotation is: true [2018-11-22 22:11:44,713 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyEXIT(lines 6378 6385) no Hoare annotation was computed. [2018-11-22 22:11:44,713 INFO L451 ceAbstractionStarter]: At program point ldv_set_is_emptyENTRY(lines 6378 6385) the Hoare annotation is: true [2018-11-22 22:11:44,713 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyFINAL(lines 6378 6385) no Hoare annotation was computed. [2018-11-22 22:11:44,713 INFO L448 ceAbstractionStarter]: For program point atomic_readFINAL(lines 5492 5499) no Hoare annotation was computed. [2018-11-22 22:11:44,713 INFO L448 ceAbstractionStarter]: For program point atomic_readEXIT(lines 5492 5499) no Hoare annotation was computed. [2018-11-22 22:11:44,713 INFO L451 ceAbstractionStarter]: At program point atomic_readENTRY(lines 5492 5499) the Hoare annotation is: true [2018-11-22 22:11:44,713 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,713 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-22 22:11:44,713 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:11:44,713 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,714 INFO L451 ceAbstractionStarter]: At program point skb_reset_tail_pointerENTRY(lines 5544 5552) the Hoare annotation is: true [2018-11-22 22:11:44,714 INFO L448 ceAbstractionStarter]: For program point skb_reset_tail_pointerFINAL(lines 5544 5552) no Hoare annotation was computed. [2018-11-22 22:11:44,714 INFO L448 ceAbstractionStarter]: For program point skb_reset_tail_pointerEXIT(lines 5544 5552) no Hoare annotation was computed. [2018-11-22 22:11:44,714 INFO L451 ceAbstractionStarter]: At program point skb_is_nonlinearENTRY(lines 5536 5543) the Hoare annotation is: true [2018-11-22 22:11:44,714 INFO L448 ceAbstractionStarter]: For program point skb_is_nonlinearFINAL(lines 5536 5543) no Hoare annotation was computed. [2018-11-22 22:11:44,714 INFO L448 ceAbstractionStarter]: For program point skb_is_nonlinearEXIT(lines 5536 5543) no Hoare annotation was computed. [2018-11-22 22:11:44,714 INFO L451 ceAbstractionStarter]: At program point skb_end_pointerENTRY(lines 5507 5514) the Hoare annotation is: true [2018-11-22 22:11:44,715 INFO L448 ceAbstractionStarter]: For program point skb_end_pointerEXIT(lines 5507 5514) no Hoare annotation was computed. [2018-11-22 22:11:44,715 INFO L448 ceAbstractionStarter]: For program point skb_end_pointerFINAL(lines 5507 5514) no Hoare annotation was computed. [2018-11-22 22:11:44,715 INFO L451 ceAbstractionStarter]: At program point L5855(line 5855) the Hoare annotation is: true [2018-11-22 22:11:44,715 INFO L448 ceAbstractionStarter]: For program point L5855-1(line 5855) no Hoare annotation was computed. [2018-11-22 22:11:44,715 INFO L448 ceAbstractionStarter]: For program point genelink_tx_fixupEXIT(lines 5835 5889) no Hoare annotation was computed. [2018-11-22 22:11:44,715 INFO L448 ceAbstractionStarter]: For program point L5882(lines 5882 5886) no Hoare annotation was computed. [2018-11-22 22:11:44,715 INFO L451 ceAbstractionStarter]: At program point L5853(line 5853) the Hoare annotation is: true [2018-11-22 22:11:44,716 INFO L448 ceAbstractionStarter]: For program point L5853-1(line 5853) no Hoare annotation was computed. [2018-11-22 22:11:44,716 INFO L448 ceAbstractionStarter]: For program point L5882-2(lines 5882 5886) no Hoare annotation was computed. [2018-11-22 22:11:44,716 INFO L451 ceAbstractionStarter]: At program point L5858(line 5858) the Hoare annotation is: true [2018-11-22 22:11:44,716 INFO L448 ceAbstractionStarter]: For program point L5860(lines 5860 5866) no Hoare annotation was computed. [2018-11-22 22:11:44,716 INFO L451 ceAbstractionStarter]: At program point genelink_tx_fixupENTRY(lines 5835 5889) the Hoare annotation is: true [2018-11-22 22:11:44,716 INFO L448 ceAbstractionStarter]: For program point L5858-1(line 5858) no Hoare annotation was computed. [2018-11-22 22:11:44,716 INFO L448 ceAbstractionStarter]: For program point genelink_tx_fixupFINAL(lines 5835 5889) no Hoare annotation was computed. [2018-11-22 22:11:44,716 INFO L448 ceAbstractionStarter]: For program point L5871(lines 5871 5875) no Hoare annotation was computed. [2018-11-22 22:11:44,716 INFO L451 ceAbstractionStarter]: At program point L5869(line 5869) the Hoare annotation is: true [2018-11-22 22:11:44,716 INFO L448 ceAbstractionStarter]: For program point L5869-1(line 5869) no Hoare annotation was computed. [2018-11-22 22:11:44,716 INFO L451 ceAbstractionStarter]: At program point L5863(line 5863) the Hoare annotation is: true [2018-11-22 22:11:44,717 INFO L448 ceAbstractionStarter]: For program point L5863-1(line 5863) no Hoare annotation was computed. [2018-11-22 22:11:44,717 INFO L448 ceAbstractionStarter]: For program point L5859(lines 5859 5876) no Hoare annotation was computed. [2018-11-22 22:11:44,717 INFO L448 ceAbstractionStarter]: For program point L5859-1(lines 5859 5876) no Hoare annotation was computed. [2018-11-22 22:11:44,717 INFO L451 ceAbstractionStarter]: At program point L5861(line 5861) the Hoare annotation is: true [2018-11-22 22:11:44,717 INFO L448 ceAbstractionStarter]: For program point L5861-1(line 5861) no Hoare annotation was computed. [2018-11-22 22:11:44,717 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:11:44,717 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-22 22:11:44,717 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,717 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,717 INFO L448 ceAbstractionStarter]: For program point skb_clonedFINAL(lines 5515 5535) no Hoare annotation was computed. [2018-11-22 22:11:44,717 INFO L451 ceAbstractionStarter]: At program point L5523(line 5523) the Hoare annotation is: true [2018-11-22 22:11:44,718 INFO L448 ceAbstractionStarter]: For program point L5524-1(line 5524) no Hoare annotation was computed. [2018-11-22 22:11:44,718 INFO L448 ceAbstractionStarter]: For program point L5522(lines 5522 5532) no Hoare annotation was computed. [2018-11-22 22:11:44,718 INFO L448 ceAbstractionStarter]: For program point L5523-1(line 5523) no Hoare annotation was computed. [2018-11-22 22:11:44,718 INFO L448 ceAbstractionStarter]: For program point L5525(lines 5525 5529) no Hoare annotation was computed. [2018-11-22 22:11:44,718 INFO L451 ceAbstractionStarter]: At program point L5524(line 5524) the Hoare annotation is: true [2018-11-22 22:11:44,718 INFO L451 ceAbstractionStarter]: At program point skb_clonedENTRY(lines 5515 5535) the Hoare annotation is: true [2018-11-22 22:11:44,718 INFO L448 ceAbstractionStarter]: For program point L5522-1(lines 5522 5532) no Hoare annotation was computed. [2018-11-22 22:11:44,718 INFO L448 ceAbstractionStarter]: For program point skb_clonedEXIT(lines 5515 5535) no Hoare annotation was computed. [2018-11-22 22:11:44,718 INFO L448 ceAbstractionStarter]: For program point L5795-2(lines 5795 5803) no Hoare annotation was computed. [2018-11-22 22:11:44,718 INFO L451 ceAbstractionStarter]: At program point L5783(line 5783) the Hoare annotation is: true [2018-11-22 22:11:44,719 INFO L448 ceAbstractionStarter]: For program point L5783-1(line 5783) no Hoare annotation was computed. [2018-11-22 22:11:44,719 INFO L448 ceAbstractionStarter]: For program point L5746(lines 5746 5750) no Hoare annotation was computed. [2018-11-22 22:11:44,719 INFO L451 ceAbstractionStarter]: At program point L5821(line 5821) the Hoare annotation is: true [2018-11-22 22:11:44,719 INFO L448 ceAbstractionStarter]: For program point L5821-1(line 5821) no Hoare annotation was computed. [2018-11-22 22:11:44,719 INFO L448 ceAbstractionStarter]: For program point L5784-2(lines 5784 5789) no Hoare annotation was computed. [2018-11-22 22:11:44,719 INFO L448 ceAbstractionStarter]: For program point L5784(lines 5784 5789) no Hoare annotation was computed. [2018-11-22 22:11:44,719 INFO L451 ceAbstractionStarter]: At program point L5809(lines 5745 5833) the Hoare annotation is: true [2018-11-22 22:11:44,719 INFO L448 ceAbstractionStarter]: For program point L5776(lines 5776 5793) no Hoare annotation was computed. [2018-11-22 22:11:44,719 INFO L448 ceAbstractionStarter]: For program point L5760-1(line 5760) no Hoare annotation was computed. [2018-11-22 22:11:44,719 INFO L448 ceAbstractionStarter]: For program point L5822(lines 5822 5827) no Hoare annotation was computed. [2018-11-22 22:11:44,720 INFO L451 ceAbstractionStarter]: At program point L5760(line 5760) the Hoare annotation is: true [2018-11-22 22:11:44,720 INFO L448 ceAbstractionStarter]: For program point L5822-2(lines 5822 5827) no Hoare annotation was computed. [2018-11-22 22:11:44,720 INFO L448 ceAbstractionStarter]: For program point L5814(lines 5814 5831) no Hoare annotation was computed. [2018-11-22 22:11:44,720 INFO L448 ceAbstractionStarter]: For program point genelink_rx_fixupEXIT(lines 5728 5834) no Hoare annotation was computed. [2018-11-22 22:11:44,720 INFO L451 ceAbstractionStarter]: At program point L5798(lines 5798 5799) the Hoare annotation is: true [2018-11-22 22:11:44,720 INFO L451 ceAbstractionStarter]: At program point L5794(line 5794) the Hoare annotation is: true [2018-11-22 22:11:44,720 INFO L448 ceAbstractionStarter]: For program point L5798-1(lines 5798 5799) no Hoare annotation was computed. [2018-11-22 22:11:44,720 INFO L448 ceAbstractionStarter]: For program point L5761-2(lines 5761 5766) no Hoare annotation was computed. [2018-11-22 22:11:44,720 INFO L448 ceAbstractionStarter]: For program point genelink_rx_fixupFINAL(lines 5728 5834) no Hoare annotation was computed. [2018-11-22 22:11:44,720 INFO L448 ceAbstractionStarter]: For program point L5761(lines 5761 5766) no Hoare annotation was computed. [2018-11-22 22:11:44,721 INFO L448 ceAbstractionStarter]: For program point L5794-1(line 5794) no Hoare annotation was computed. [2018-11-22 22:11:44,721 INFO L451 ceAbstractionStarter]: At program point genelink_rx_fixupENTRY(lines 5728 5834) the Hoare annotation is: true [2018-11-22 22:11:44,721 INFO L448 ceAbstractionStarter]: For program point L5753(lines 5753 5770) no Hoare annotation was computed. [2018-11-22 22:11:44,721 INFO L451 ceAbstractionStarter]: At program point L5807(lines 5745 5833) the Hoare annotation is: true [2018-11-22 22:11:44,721 INFO L448 ceAbstractionStarter]: For program point L5795(lines 5795 5803) no Hoare annotation was computed. [2018-11-22 22:11:44,721 INFO L451 ceAbstractionStarter]: At program point __create_pipeENTRY(lines 5715 5722) the Hoare annotation is: true [2018-11-22 22:11:44,721 INFO L448 ceAbstractionStarter]: For program point __create_pipeFINAL(lines 5715 5722) no Hoare annotation was computed. [2018-11-22 22:11:44,721 INFO L448 ceAbstractionStarter]: For program point __create_pipeEXIT(lines 5715 5722) no Hoare annotation was computed. [2018-11-22 22:11:44,721 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,721 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:11:44,721 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,722 INFO L451 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 6507 6520) the Hoare annotation is: true [2018-11-22 22:11:44,722 INFO L448 ceAbstractionStarter]: For program point L6512-1(line 6512) no Hoare annotation was computed. [2018-11-22 22:11:44,722 INFO L451 ceAbstractionStarter]: At program point L6512(line 6512) the Hoare annotation is: true [2018-11-22 22:11:44,722 INFO L448 ceAbstractionStarter]: For program point L6513(lines 6513 6517) no Hoare annotation was computed. [2018-11-22 22:11:44,722 INFO L448 ceAbstractionStarter]: For program point L6516-1(lines 6507 6520) no Hoare annotation was computed. [2018-11-22 22:11:44,722 INFO L448 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 6507 6520) no Hoare annotation was computed. [2018-11-22 22:11:44,722 INFO L451 ceAbstractionStarter]: At program point L6516(line 6516) the Hoare annotation is: true [2018-11-22 22:11:44,722 INFO L448 ceAbstractionStarter]: For program point L5968-1(line 5968) no Hoare annotation was computed. [2018-11-22 22:11:44,726 INFO L451 ceAbstractionStarter]: At program point L5968(line 5968) the Hoare annotation is: true [2018-11-22 22:11:44,727 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 5963 5972) no Hoare annotation was computed. [2018-11-22 22:11:44,727 INFO L451 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 5963 5972) the Hoare annotation is: true [2018-11-22 22:11:44,727 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 5963 5972) no Hoare annotation was computed. [2018-11-22 22:11:44,727 INFO L451 ceAbstractionStarter]: At program point skb_set_tail_pointerENTRY(lines 5553 5562) the Hoare annotation is: true [2018-11-22 22:11:44,727 INFO L451 ceAbstractionStarter]: At program point L5558(line 5558) the Hoare annotation is: true [2018-11-22 22:11:44,727 INFO L448 ceAbstractionStarter]: For program point skb_set_tail_pointerFINAL(lines 5553 5562) no Hoare annotation was computed. [2018-11-22 22:11:44,727 INFO L448 ceAbstractionStarter]: For program point skb_set_tail_pointerEXIT(lines 5553 5562) no Hoare annotation was computed. [2018-11-22 22:11:44,727 INFO L448 ceAbstractionStarter]: For program point L5558-1(line 5558) no Hoare annotation was computed. [2018-11-22 22:11:44,727 INFO L448 ceAbstractionStarter]: For program point L5617(lines 5617 5624) no Hoare annotation was computed. [2018-11-22 22:11:44,727 INFO L448 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 5609 5626) no Hoare annotation was computed. [2018-11-22 22:11:44,728 INFO L448 ceAbstractionStarter]: For program point L5620-1(line 5620) no Hoare annotation was computed. [2018-11-22 22:11:44,728 INFO L451 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 5609 5626) the Hoare annotation is: true [2018-11-22 22:11:44,728 INFO L448 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 5609 5626) no Hoare annotation was computed. [2018-11-22 22:11:44,728 INFO L451 ceAbstractionStarter]: At program point L5620(line 5620) the Hoare annotation is: true [2018-11-22 22:11:44,728 INFO L448 ceAbstractionStarter]: For program point gl620a_driver_exitFINAL(lines 5931 5939) no Hoare annotation was computed. [2018-11-22 22:11:44,728 INFO L448 ceAbstractionStarter]: For program point gl620a_driver_exitEXIT(lines 5931 5939) no Hoare annotation was computed. [2018-11-22 22:11:44,728 INFO L451 ceAbstractionStarter]: At program point gl620a_driver_exitENTRY(lines 5931 5939) the Hoare annotation is: true [2018-11-22 22:11:44,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,728 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-22 22:11:44,728 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:11:44,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:11:44,729 INFO L451 ceAbstractionStarter]: At program point dev_kfree_skb_anyENTRY(lines 5701 5709) the Hoare annotation is: true [2018-11-22 22:11:44,729 INFO L448 ceAbstractionStarter]: For program point dev_kfree_skb_anyEXIT(lines 5701 5709) no Hoare annotation was computed. [2018-11-22 22:11:44,729 INFO L448 ceAbstractionStarter]: For program point dev_kfree_skb_anyFINAL(lines 5701 5709) no Hoare annotation was computed. [2018-11-22 22:11:44,729 INFO L448 ceAbstractionStarter]: For program point ldv_alloc_skb_12FINAL(lines 6236 6244) no Hoare annotation was computed. [2018-11-22 22:11:44,729 INFO L451 ceAbstractionStarter]: At program point L6241(line 6241) the Hoare annotation is: true [2018-11-22 22:11:44,729 INFO L448 ceAbstractionStarter]: For program point L6241-1(line 6241) no Hoare annotation was computed. [2018-11-22 22:11:44,729 INFO L448 ceAbstractionStarter]: For program point ldv_alloc_skb_12EXIT(lines 6236 6244) no Hoare annotation was computed. [2018-11-22 22:11:44,729 INFO L451 ceAbstractionStarter]: At program point ldv_alloc_skb_12ENTRY(lines 6236 6244) the Hoare annotation is: true [2018-11-22 22:11:44,729 INFO L451 ceAbstractionStarter]: At program point skb_tailroomENTRY(lines 5574 5582) the Hoare annotation is: true [2018-11-22 22:11:44,729 INFO L451 ceAbstractionStarter]: At program point L5579(line 5579) the Hoare annotation is: true [2018-11-22 22:11:44,730 INFO L448 ceAbstractionStarter]: For program point L5579-1(line 5579) no Hoare annotation was computed. [2018-11-22 22:11:44,730 INFO L448 ceAbstractionStarter]: For program point L5580-2(line 5580) no Hoare annotation was computed. [2018-11-22 22:11:44,730 INFO L448 ceAbstractionStarter]: For program point L5580(line 5580) no Hoare annotation was computed. [2018-11-22 22:11:44,730 INFO L448 ceAbstractionStarter]: For program point skb_tailroomFINAL(lines 5574 5582) no Hoare annotation was computed. [2018-11-22 22:11:44,730 INFO L448 ceAbstractionStarter]: For program point skb_tailroomEXIT(lines 5574 5582) no Hoare annotation was computed. [2018-11-22 22:11:44,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:11:44 BoogieIcfgContainer [2018-11-22 22:11:44,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:11:44,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:11:44,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:11:44,741 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:11:44,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:11:44" (3/4) ... [2018-11-22 22:11:44,745 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:11:44,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_alloc [2018-11-22 22:11:44,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gl620a_driver_init [2018-11-22 22:11:44,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:11:44,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_init [2018-11-22 22:11:44,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-22 22:11:44,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_add [2018-11-22 22:11:44,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove [2018-11-22 22:11:44,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-22 22:11:44,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_14 [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure genelink_bind [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_13 [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize_driver_info_2 [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_headroom [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_is_empty [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-22 22:11:44,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_reset_tail_pointer [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_is_nonlinear [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_end_pointer [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure genelink_tx_fixup [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_cloned [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure genelink_rx_fixup [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-22 22:11:44,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-11-22 22:11:44,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_set_tail_pointer [2018-11-22 22:11:44,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-22 22:11:44,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gl620a_driver_exit [2018-11-22 22:11:44,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2018-11-22 22:11:44,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_alloc_skb_12 [2018-11-22 22:11:44,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_tailroom [2018-11-22 22:11:44,766 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 173 nodes and edges [2018-11-22 22:11:44,767 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2018-11-22 22:11:44,768 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-22 22:11:44,768 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-22 22:11:44,769 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 22:11:44,770 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 22:11:44,771 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:11:44,869 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b2cadf51-9bd7-474d-8261-1eb905146b6b/bin-2019/utaipan/witness.graphml [2018-11-22 22:11:44,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:11:44,870 INFO L168 Benchmark]: Toolchain (without parser) took 6057.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 937.9 MB in the beginning and 826.5 MB in the end (delta: 111.4 MB). Peak memory consumption was 287.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:44,871 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-22 22:11:44,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1082.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:44,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:44,871 INFO L168 Benchmark]: Boogie Preprocessor took 74.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:44,872 INFO L168 Benchmark]: RCFGBuilder took 4215.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.1 MB in the end (delta: 163.9 MB). Peak memory consumption was 163.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:44,872 INFO L168 Benchmark]: TraceAbstraction took 514.59 ms. Allocated memory is still 1.2 GB. Free memory was 931.1 MB in the beginning and 846.3 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:44,872 INFO L168 Benchmark]: Witness Printer took 128.20 ms. Allocated memory is still 1.2 GB. Free memory was 846.3 MB in the beginning and 826.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:11:44,874 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 1082.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4215.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.1 MB in the end (delta: 163.9 MB). Peak memory consumption was 163.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 514.59 ms. Allocated memory is still 1.2 GB. Free memory was 931.1 MB in the beginning and 846.3 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 11.5 GB. * Witness Printer took 128.20 ms. Allocated memory is still 1.2 GB. Free memory was 846.3 MB in the beginning and 826.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 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: 5745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5663]: 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: 6291]: 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, 281 locations, 1 error locations. SAFE Result, 0.4s 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=279occurred 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...