./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--wan--hdlc_ppp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/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--wan--hdlc_ppp.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/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 cb707188c16c164350650888a29f60678584414b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:22,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:22,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:22,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:22,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:22,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:22,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:22,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:22,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:22,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:22,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:22,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:22,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:22,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:22,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:22,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:22,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:22,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:22,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:22,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:22,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:22,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:22,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:22,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:22,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:22,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:22,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:22,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:22,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:22,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:22,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:22,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:22,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:22,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:22,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:22,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:22,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:22,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:22,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:22,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:22,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:22,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-10-22 11:23:22,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:22,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:22,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:22,386 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:22,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:22,387 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:22,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:22,387 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:22,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:22,387 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:22,388 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:22,388 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:22,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:22,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:22,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:22,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:22,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:22,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:22,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:22,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:22,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:22,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:22,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:22,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:22,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:22,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:22,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:22,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:22,392 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:22,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:22,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:22,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:22,393 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-10-22 11:23:22,393 INFO L138 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_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/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 -> cb707188c16c164350650888a29f60678584414b [2019-10-22 11:23:22,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:22,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:22,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:22,450 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:22,450 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:22,451 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2019-10-22 11:23:22,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/data/86e1e24f2/b50de59b84e64184942ee7ca3009e2be/FLAGea41dee2b [2019-10-22 11:23:23,155 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:23,158 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2019-10-22 11:23:23,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/data/86e1e24f2/b50de59b84e64184942ee7ca3009e2be/FLAGea41dee2b [2019-10-22 11:23:23,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/data/86e1e24f2/b50de59b84e64184942ee7ca3009e2be [2019-10-22 11:23:23,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:23,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:23,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:23,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:23,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:23,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:23" (1/1) ... [2019-10-22 11:23:23,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2653a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:23, skipping insertion in model container [2019-10-22 11:23:23,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:23" (1/1) ... [2019-10-22 11:23:23,534 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:23,626 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:24,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:24,730 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:24,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:25,058 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:25,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25 WrapperNode [2019-10-22 11:23:25,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:25,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:25,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:25,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:25,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... [2019-10-22 11:23:25,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... [2019-10-22 11:23:25,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:25,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:25,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:25,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:25,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... [2019-10-22 11:23:25,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... [2019-10-22 11:23:25,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... [2019-10-22 11:23:25,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... [2019-10-22 11:23:25,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... [2019-10-22 11:23:25,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... [2019-10-22 11:23:25,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... [2019-10-22 11:23:25,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:25,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:25,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:25,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:25,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/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 [2019-10-22 11:23:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-22 11:23:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-22 11:23:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-22 11:23:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:23:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:23:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:23:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:23:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-22 11:23:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:23:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:23:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_event [2019-10-22 11:23:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_event [2019-10-22 11:23:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-22 11:23:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:32,579 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:32,580 INFO L284 CfgBuilder]: Removed 1560 assume(true) statements. [2019-10-22 11:23:32,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:32 BoogieIcfgContainer [2019-10-22 11:23:32,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:32,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:32,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:32,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:32,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:23" (1/3) ... [2019-10-22 11:23:32,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab7322f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:32, skipping insertion in model container [2019-10-22 11:23:32,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:25" (2/3) ... [2019-10-22 11:23:32,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab7322f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:32, skipping insertion in model container [2019-10-22 11:23:32,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:32" (3/3) ... [2019-10-22 11:23:32,595 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2019-10-22 11:23:32,603 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:32,616 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:23:32,625 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:23:32,664 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:32,665 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:32,665 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:32,665 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:32,665 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:32,665 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:32,665 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:32,665 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states. [2019-10-22 11:23:32,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:32,712 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:32,712 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:32,714 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:32,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:32,720 INFO L82 PathProgramCache]: Analyzing trace with hash 311567886, now seen corresponding path program 1 times [2019-10-22 11:23:32,728 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:32,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263549683] [2019-10-22 11:23:32,729 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:32,729 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:32,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:33,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263549683] [2019-10-22 11:23:33,094 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:33,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:33,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870500977] [2019-10-22 11:23:33,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:33,100 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:33,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:33,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:33,116 INFO L87 Difference]: Start difference. First operand 1959 states. Second operand 3 states. [2019-10-22 11:23:33,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:33,455 INFO L93 Difference]: Finished difference Result 5806 states and 8820 transitions. [2019-10-22 11:23:33,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:33,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:23:33,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:33,517 INFO L225 Difference]: With dead ends: 5806 [2019-10-22 11:23:33,517 INFO L226 Difference]: Without dead ends: 3854 [2019-10-22 11:23:33,587 INFO L600 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 [2019-10-22 11:23:33,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3854 states. [2019-10-22 11:23:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3854 to 3854. [2019-10-22 11:23:33,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3854 states. [2019-10-22 11:23:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 5673 transitions. [2019-10-22 11:23:33,838 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 5673 transitions. Word has length 24 [2019-10-22 11:23:33,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:33,839 INFO L462 AbstractCegarLoop]: Abstraction has 3854 states and 5673 transitions. [2019-10-22 11:23:33,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 5673 transitions. [2019-10-22 11:23:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:23:33,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:33,842 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:33,842 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:33,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:33,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1570827614, now seen corresponding path program 1 times [2019-10-22 11:23:33,842 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:33,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100747796] [2019-10-22 11:23:33,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:33,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:33,977 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100747796] [2019-10-22 11:23:33,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:33,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:33,978 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913737353] [2019-10-22 11:23:33,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:33,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:33,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:33,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:33,983 INFO L87 Difference]: Start difference. First operand 3854 states and 5673 transitions. Second operand 4 states. [2019-10-22 11:23:34,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,526 INFO L93 Difference]: Finished difference Result 7684 states and 11311 transitions. [2019-10-22 11:23:34,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:34,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-10-22 11:23:34,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,575 INFO L225 Difference]: With dead ends: 7684 [2019-10-22 11:23:34,576 INFO L226 Difference]: Without dead ends: 3853 [2019-10-22 11:23:34,615 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:34,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2019-10-22 11:23:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 3853. [2019-10-22 11:23:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3853 states. [2019-10-22 11:23:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3853 states and 5669 transitions. [2019-10-22 11:23:34,789 INFO L78 Accepts]: Start accepts. Automaton has 3853 states and 5669 transitions. Word has length 32 [2019-10-22 11:23:34,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,789 INFO L462 AbstractCegarLoop]: Abstraction has 3853 states and 5669 transitions. [2019-10-22 11:23:34,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 5669 transitions. [2019-10-22 11:23:34,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 11:23:34,794 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,794 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:23:34,794 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,795 INFO L82 PathProgramCache]: Analyzing trace with hash 2122739034, now seen corresponding path program 1 times [2019-10-22 11:23:34,795 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,795 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973949693] [2019-10-22 11:23:34,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:23:34,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973949693] [2019-10-22 11:23:34,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:34,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053547919] [2019-10-22 11:23:34,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:34,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:34,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:34,930 INFO L87 Difference]: Start difference. First operand 3853 states and 5669 transitions. Second operand 5 states. [2019-10-22 11:23:35,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,810 INFO L93 Difference]: Finished difference Result 11511 states and 17180 transitions. [2019-10-22 11:23:35,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:35,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2019-10-22 11:23:35,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,898 INFO L225 Difference]: With dead ends: 11511 [2019-10-22 11:23:35,898 INFO L226 Difference]: Without dead ends: 7677 [2019-10-22 11:23:35,958 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:35,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7677 states. [2019-10-22 11:23:36,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7677 to 7677. [2019-10-22 11:23:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7677 states. [2019-10-22 11:23:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7677 states to 7677 states and 11371 transitions. [2019-10-22 11:23:36,259 INFO L78 Accepts]: Start accepts. Automaton has 7677 states and 11371 transitions. Word has length 43 [2019-10-22 11:23:36,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:36,260 INFO L462 AbstractCegarLoop]: Abstraction has 7677 states and 11371 transitions. [2019-10-22 11:23:36,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:36,260 INFO L276 IsEmpty]: Start isEmpty. Operand 7677 states and 11371 transitions. [2019-10-22 11:23:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 11:23:36,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:36,271 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:36,271 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:36,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:36,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1935042275, now seen corresponding path program 1 times [2019-10-22 11:23:36,272 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:36,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180662429] [2019-10-22 11:23:36,272 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:36,272 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:36,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:23:36,355 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180662429] [2019-10-22 11:23:36,355 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:36,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:36,356 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444493571] [2019-10-22 11:23:36,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:36,356 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:36,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:36,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:36,357 INFO L87 Difference]: Start difference. First operand 7677 states and 11371 transitions. Second operand 3 states. [2019-10-22 11:23:36,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:36,674 INFO L93 Difference]: Finished difference Result 13559 states and 19969 transitions. [2019-10-22 11:23:36,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:36,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-10-22 11:23:36,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:36,733 INFO L225 Difference]: With dead ends: 13559 [2019-10-22 11:23:36,733 INFO L226 Difference]: Without dead ends: 5905 [2019-10-22 11:23:36,818 INFO L600 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 [2019-10-22 11:23:36,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5905 states. [2019-10-22 11:23:37,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5905 to 5885. [2019-10-22 11:23:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5885 states. [2019-10-22 11:23:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5885 states to 5885 states and 8608 transitions. [2019-10-22 11:23:37,250 INFO L78 Accepts]: Start accepts. Automaton has 5885 states and 8608 transitions. Word has length 67 [2019-10-22 11:23:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:37,250 INFO L462 AbstractCegarLoop]: Abstraction has 5885 states and 8608 transitions. [2019-10-22 11:23:37,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 5885 states and 8608 transitions. [2019-10-22 11:23:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 11:23:37,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:37,256 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:37,256 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:37,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:37,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1468483191, now seen corresponding path program 2 times [2019-10-22 11:23:37,257 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:37,257 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438899371] [2019-10-22 11:23:37,257 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:37,257 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:37,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:37,347 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438899371] [2019-10-22 11:23:37,347 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:37,348 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:37,348 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483076070] [2019-10-22 11:23:37,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:37,349 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:37,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:37,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:37,349 INFO L87 Difference]: Start difference. First operand 5885 states and 8608 transitions. Second operand 3 states. [2019-10-22 11:23:37,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:37,718 INFO L93 Difference]: Finished difference Result 11839 states and 17349 transitions. [2019-10-22 11:23:37,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:37,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-10-22 11:23:37,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:37,800 INFO L225 Difference]: With dead ends: 11839 [2019-10-22 11:23:37,800 INFO L226 Difference]: Without dead ends: 6985 [2019-10-22 11:23:37,850 INFO L600 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 [2019-10-22 11:23:37,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6985 states. [2019-10-22 11:23:38,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6985 to 6965. [2019-10-22 11:23:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6965 states. [2019-10-22 11:23:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6965 states to 6965 states and 10143 transitions. [2019-10-22 11:23:38,098 INFO L78 Accepts]: Start accepts. Automaton has 6965 states and 10143 transitions. Word has length 67 [2019-10-22 11:23:38,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:38,099 INFO L462 AbstractCegarLoop]: Abstraction has 6965 states and 10143 transitions. [2019-10-22 11:23:38,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 6965 states and 10143 transitions. [2019-10-22 11:23:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-22 11:23:38,105 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:38,105 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2019-10-22 11:23:38,105 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:38,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:38,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1715276838, now seen corresponding path program 1 times [2019-10-22 11:23:38,106 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:38,106 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018496962] [2019-10-22 11:23:38,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:38,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:38,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 11:23:38,221 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018496962] [2019-10-22 11:23:38,222 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:38,222 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:38,222 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535996195] [2019-10-22 11:23:38,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:38,222 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:38,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:38,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:38,223 INFO L87 Difference]: Start difference. First operand 6965 states and 10143 transitions. Second operand 4 states. [2019-10-22 11:23:39,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:39,457 INFO L93 Difference]: Finished difference Result 23022 states and 33884 transitions. [2019-10-22 11:23:39,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:39,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2019-10-22 11:23:39,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:39,603 INFO L225 Difference]: With dead ends: 23022 [2019-10-22 11:23:39,603 INFO L226 Difference]: Without dead ends: 16080 [2019-10-22 11:23:39,678 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:39,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16080 states. [2019-10-22 11:23:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16080 to 7061. [2019-10-22 11:23:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7061 states. [2019-10-22 11:23:40,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 10239 transitions. [2019-10-22 11:23:40,060 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 10239 transitions. Word has length 74 [2019-10-22 11:23:40,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:40,061 INFO L462 AbstractCegarLoop]: Abstraction has 7061 states and 10239 transitions. [2019-10-22 11:23:40,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 10239 transitions. [2019-10-22 11:23:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-22 11:23:40,067 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:40,067 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-10-22 11:23:40,068 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:40,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:40,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1625003734, now seen corresponding path program 1 times [2019-10-22 11:23:40,068 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:40,068 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412981383] [2019-10-22 11:23:40,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 11:23:40,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412981383] [2019-10-22 11:23:40,132 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:40,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:40,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915642376] [2019-10-22 11:23:40,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:40,133 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:40,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:40,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:40,133 INFO L87 Difference]: Start difference. First operand 7061 states and 10239 transitions. Second operand 3 states. [2019-10-22 11:23:40,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:40,528 INFO L93 Difference]: Finished difference Result 17577 states and 25575 transitions. [2019-10-22 11:23:40,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:40,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-10-22 11:23:40,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:40,601 INFO L225 Difference]: With dead ends: 17577 [2019-10-22 11:23:40,601 INFO L226 Difference]: Without dead ends: 10539 [2019-10-22 11:23:40,657 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:40,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10539 states. [2019-10-22 11:23:40,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10539 to 7109. [2019-10-22 11:23:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7109 states. [2019-10-22 11:23:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7109 states to 7109 states and 10287 transitions. [2019-10-22 11:23:40,953 INFO L78 Accepts]: Start accepts. Automaton has 7109 states and 10287 transitions. Word has length 76 [2019-10-22 11:23:40,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:40,954 INFO L462 AbstractCegarLoop]: Abstraction has 7109 states and 10287 transitions. [2019-10-22 11:23:40,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:40,954 INFO L276 IsEmpty]: Start isEmpty. Operand 7109 states and 10287 transitions. [2019-10-22 11:23:40,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-22 11:23:40,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:40,960 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-10-22 11:23:40,960 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:40,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:40,961 INFO L82 PathProgramCache]: Analyzing trace with hash -738586736, now seen corresponding path program 1 times [2019-10-22 11:23:40,961 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:40,961 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570998429] [2019-10-22 11:23:40,961 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,961 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 11:23:41,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570998429] [2019-10-22 11:23:41,282 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:41,282 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:41,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272950064] [2019-10-22 11:23:41,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:41,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:41,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:41,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:41,283 INFO L87 Difference]: Start difference. First operand 7109 states and 10287 transitions. Second operand 4 states. [2019-10-22 11:23:41,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:41,773 INFO L93 Difference]: Finished difference Result 16460 states and 24066 transitions. [2019-10-22 11:23:41,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:41,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 76 [2019-10-22 11:23:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:41,842 INFO L225 Difference]: With dead ends: 16460 [2019-10-22 11:23:41,842 INFO L226 Difference]: Without dead ends: 9374 [2019-10-22 11:23:41,898 INFO L600 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 [2019-10-22 11:23:41,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9374 states. [2019-10-22 11:23:42,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9374 to 7157. [2019-10-22 11:23:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7157 states. [2019-10-22 11:23:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7157 states to 7157 states and 10335 transitions. [2019-10-22 11:23:42,212 INFO L78 Accepts]: Start accepts. Automaton has 7157 states and 10335 transitions. Word has length 76 [2019-10-22 11:23:42,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:42,213 INFO L462 AbstractCegarLoop]: Abstraction has 7157 states and 10335 transitions. [2019-10-22 11:23:42,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 7157 states and 10335 transitions. [2019-10-22 11:23:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-22 11:23:42,219 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:42,219 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:42,219 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:42,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:42,219 INFO L82 PathProgramCache]: Analyzing trace with hash -2061187998, now seen corresponding path program 1 times [2019-10-22 11:23:42,220 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:42,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36339060] [2019-10-22 11:23:42,220 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:42,220 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:42,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:23:42,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36339060] [2019-10-22 11:23:42,587 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:42,588 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:23:42,588 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496257471] [2019-10-22 11:23:42,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:23:42,588 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:42,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:23:42,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:42,589 INFO L87 Difference]: Start difference. First operand 7157 states and 10335 transitions. Second operand 8 states. [2019-10-22 11:23:44,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:44,580 INFO L93 Difference]: Finished difference Result 18110 states and 26162 transitions. [2019-10-22 11:23:44,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:23:44,580 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2019-10-22 11:23:44,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:44,667 INFO L225 Difference]: With dead ends: 18110 [2019-10-22 11:23:44,667 INFO L226 Difference]: Without dead ends: 10976 [2019-10-22 11:23:44,879 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2019-10-22 11:23:44,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10976 states. [2019-10-22 11:23:45,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10976 to 7217. [2019-10-22 11:23:45,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7217 states. [2019-10-22 11:23:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7217 states to 7217 states and 10347 transitions. [2019-10-22 11:23:45,236 INFO L78 Accepts]: Start accepts. Automaton has 7217 states and 10347 transitions. Word has length 77 [2019-10-22 11:23:45,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:45,236 INFO L462 AbstractCegarLoop]: Abstraction has 7217 states and 10347 transitions. [2019-10-22 11:23:45,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:23:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 7217 states and 10347 transitions. [2019-10-22 11:23:45,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-22 11:23:45,247 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:45,248 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:45,248 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:45,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:45,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1979231226, now seen corresponding path program 1 times [2019-10-22 11:23:45,248 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:45,248 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771336962] [2019-10-22 11:23:45,249 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,249 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:45,679 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:23:45,679 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:23:45,745 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,747 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,747 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,748 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,748 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,748 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,749 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,750 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,751 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,751 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,752 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,753 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,754 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,754 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,755 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,755 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,756 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,756 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,757 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,760 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,760 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,761 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,761 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,761 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,762 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,762 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,763 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,763 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,764 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,764 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,765 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,765 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,765 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,766 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,766 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,766 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,767 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,770 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,771 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,771 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,771 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,772 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,772 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,773 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,773 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,774 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,774 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,774 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,775 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,775 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,776 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,776 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,777 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,777 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,778 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,778 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,778 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,779 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,779 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,780 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,780 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,781 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,782 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,783 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,783 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,784 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,784 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,785 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:45 BoogieIcfgContainer [2019-10-22 11:23:45,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:45,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:45,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:45,898 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:45,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:32" (3/4) ... [2019-10-22 11:23:45,901 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:23:45,925 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,926 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,926 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,926 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,927 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,927 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,928 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,928 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,929 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,929 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,929 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,930 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,930 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,931 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,931 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,932 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,932 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,932 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,933 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,933 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,934 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,934 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,935 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,935 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,936 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,936 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,937 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,937 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,937 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,938 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,938 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,938 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,939 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,939 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,940 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,940 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,941 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,941 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,942 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,942 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,942 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,943 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,944 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,944 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,944 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,945 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,945 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,945 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,946 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,946 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,947 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,947 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,948 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,948 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,948 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,949 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,949 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,949 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,950 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,950 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,951 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,951 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,952 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,952 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:45,954 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-10-22 11:23:46,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a8e055fc-527a-4760-bf1b-8c7f9c20dfdb/bin/utaipan/witness.graphml [2019-10-22 11:23:46,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:46,103 INFO L168 Benchmark]: Toolchain (without parser) took 22579.43 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 933.8 MB in the beginning and 1.3 GB in the end (delta: -415.4 MB). Peak memory consumption was 684.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,103 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:46,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1535.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 933.8 MB in the beginning and 1.0 GB in the end (delta: -88.3 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 298.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 973.7 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,104 INFO L168 Benchmark]: Boogie Preprocessor took 373.80 ms. Allocated memory is still 1.2 GB. Free memory was 973.7 MB in the beginning and 925.4 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,104 INFO L168 Benchmark]: RCFGBuilder took 6849.02 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 310.4 MB). Free memory was 925.4 MB in the beginning and 1.3 GB in the end (delta: -373.2 MB). Peak memory consumption was 232.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,104 INFO L168 Benchmark]: TraceAbstraction took 13315.28 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 646.4 MB). Free memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: -125.4 MB). Peak memory consumption was 521.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,104 INFO L168 Benchmark]: Witness Printer took 202.76 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:46,106 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1535.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 933.8 MB in the beginning and 1.0 GB in the end (delta: -88.3 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 298.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 973.7 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 373.80 ms. Allocated memory is still 1.2 GB. Free memory was 973.7 MB in the beginning and 925.4 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6849.02 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 310.4 MB). Free memory was 925.4 MB in the beginning and 1.3 GB in the end (delta: -373.2 MB). Peak memory consumption was 232.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13315.28 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 646.4 MB). Free memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: -125.4 MB). Peak memory consumption was 521.0 MB. Max. memory is 11.5 GB. * Witness Printer took 202.76 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5277]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5300] int LDV_IN_INTERRUPT = 1; [L5301] struct net_device *proto_group1 ; [L5302] int ldv_state_variable_0 ; [L5303] int ldv_state_variable_3 ; [L5304] int ldv_timer_state_1 = 0; [L5305] int ldv_state_variable_2 ; [L5306] struct sk_buff *proto_group0 ; [L5307] int ref_cnt ; [L5308] int ldv_state_variable_1 ; [L5309] struct timer_list *ldv_timer_list_1 ; [L5368] static struct sk_buff_head tx_queue ; [L5537-L5563] static int cp_table[13U][7U] = { { 163, 16, 16, 16, 16, 16, 16}, { 16, 0, 0, 0, 0, 0, 0}, { 16, 16, 1026, 131, 131, 133, 16}, { 16, 16, 1, 1, 1, 1, 16}, { 2048, 421, 2, 261, 262, 261, 389}, { 2048, 675, 2, 515, 516, 515, 643}, { 2048, 2049, 2, 36, 131, 6, 131}, { 2048, 2049, 2, 163, 131, 165, 131}, { 2048, 2049, 2050, 2051, 2051, 2051, 2114}, { 0, 1, 1, 3, 3, 5, 131}, { 4096, 4097, 4098, 4099, 4100, 4101, 4102}, { 0, 1, 2, 3, 3, 5, 6}, { 0, 1, 1, 1, 1, 1, 1058}}; [L5999-L6001] static struct hdlc_proto proto = {0, & ppp_close, & ppp_start, & ppp_stop, 0, & ppp_ioctl, & ppp_type_trans, & ppp_rx, 0, & __this_module, 0}; [L6002] static struct header_ops const ppp_header_ops = {& ppp_hard_header, 0, 0, 0, 0}; [L6082] int ldv_retval_0 ; [L6502] Element set_impl[15] ; [L6503] int last_index = 0; [L6637] Set LDV_SKBS ; VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6150] struct ifreq *ldvarg0 ; [L6151] void *tmp ; [L6152] unsigned int ldvarg1 ; [L6153] unsigned int tmp___0 ; [L6154] unsigned short ldvarg4 ; [L6155] unsigned short tmp___1 ; [L6156] struct sk_buff *ldvarg3 ; [L6157] void *tmp___2 ; [L6158] struct net_device *ldvarg5 ; [L6159] void *tmp___3 ; [L6160] void *ldvarg2 ; [L6161] void *tmp___4 ; [L6162] void *ldvarg6 ; [L6163] void *tmp___5 ; [L6164] int tmp___6 ; [L6165] int tmp___7 ; [L6166] int tmp___8 ; [L6167] int tmp___9 ; [L5234] void *p ; [L5235] void *tmp ; [L5236] int tmp___0 ; [L5238] tmp___0 = __VERIFIER_nondet_int() [L5239] COND TRUE tmp___0 != 0 [L5240] return ((void *)0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6169] tmp = ldv_zalloc(40UL) [L6170] ldvarg0 = (struct ifreq *)tmp [L6171] tmp___0 = __VERIFIER_nondet_uint() [L6172] ldvarg1 = tmp___0 [L6173] tmp___1 = __VERIFIER_nondet_ushort() [L6174] ldvarg4 = tmp___1 [L5234] void *p ; [L5235] void *tmp ; [L5236] int tmp___0 ; [L5238] tmp___0 = __VERIFIER_nondet_int() [L5239] COND TRUE tmp___0 != 0 [L5240] return ((void *)0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6175] tmp___2 = ldv_zalloc(232UL) [L6176] ldvarg3 = (struct sk_buff *)tmp___2 [L5234] void *p ; [L5235] void *tmp ; [L5236] int tmp___0 ; [L5238] tmp___0 = __VERIFIER_nondet_int() [L5239] COND TRUE tmp___0 != 0 [L5240] return ((void *)0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6177] tmp___3 = ldv_zalloc(3264UL) [L6178] ldvarg5 = (struct net_device *)tmp___3 [L5234] void *p ; [L5235] void *tmp ; [L5236] int tmp___0 ; [L5238] tmp___0 = __VERIFIER_nondet_int() [L5239] COND TRUE tmp___0 != 0 [L5240] return ((void *)0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6179] tmp___4 = ldv_zalloc(1UL) [L6180] ldvarg2 = tmp___4 [L5234] void *p ; [L5235] void *tmp ; [L5236] int tmp___0 ; [L5238] tmp___0 = __VERIFIER_nondet_int() [L5239] COND TRUE tmp___0 != 0 [L5240] return ((void *)0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6181] tmp___5 = ldv_zalloc(1UL) [L6182] ldvarg6 = tmp___5 [L6508] set = set_impl [L6509] last_index = 0 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6184] ldv_state_variable_1 = 1 [L6185] ref_cnt = 0 [L6186] ldv_state_variable_0 = 1 [L6187] ldv_state_variable_3 = 0 [L6188] ldv_state_variable_2 = 0 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6190] tmp___6 = __VERIFIER_nondet_int() [L6192] case 0: [L6198] case 1: VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6199] COND TRUE ldv_state_variable_0 != 0 [L6200] tmp___7 = __VERIFIER_nondet_int() [L6202] case 0: [L6210] case 1: VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6211] COND TRUE ldv_state_variable_0 == 1 [L5176] struct lock_class_key __key ; [L5126] return (& lock->ldv_6338.rlock); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5165] struct sk_buff *tmp ; [L5167] tmp = (struct sk_buff *)list [L5168] list->next = tmp [L5169] list->prev = tmp [L5170] list->qlen = 0U VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5181] return; VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6072] return (0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6212] ldv_retval_0 = mod_init() [L6213] COND TRUE ldv_retval_0 == 0 [L6214] ldv_state_variable_0 = 3 [L6215] ldv_state_variable_2 = 1 [L6216] ldv_state_variable_3 = 1 [L6109] void *tmp ; [L6110] void *tmp___0 ; [L5234] void *p ; [L5235] void *tmp ; [L5236] int tmp___0 ; [L5238] tmp___0 = __VERIFIER_nondet_int() [L5239] COND TRUE tmp___0 != 0 [L5240] return ((void *)0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6112] tmp = ldv_zalloc(3264UL) [L6113] proto_group1 = (struct net_device *)tmp [L5234] void *p ; [L5235] void *tmp ; [L5236] int tmp___0 ; [L5238] tmp___0 = __VERIFIER_nondet_int() [L5239] COND TRUE tmp___0 != 0 [L5240] return ((void *)0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6114] tmp___0 = ldv_zalloc(232UL) [L6115] proto_group0 = (struct sk_buff *)tmp___0 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6220] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6190] tmp___6 = __VERIFIER_nondet_int() [L6192] case 0: VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6193] COND TRUE ldv_state_variable_1 != 0 [L6122] LDV_IN_INTERRUPT = 2 [L6123] timer->data [L6123] timer->function [L5907] struct proto *proto___0 ; [L5908] struct ppp *ppp ; [L5909] struct ppp *tmp ; [L5910] unsigned long flags ; [L5911] raw_spinlock_t *tmp___0 ; [L5913] proto___0 = (struct proto *)arg [L5914] EXPR proto___0->dev [L5372] struct hdlc_device *tmp ; [L5361] void *tmp ; [L5318] return ((void *)dev + 3264U); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5363] tmp = netdev_priv((struct net_device const *)dev) [L5364] return ((struct hdlc_device *)tmp); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5374] tmp = dev_to_hdlc(dev) [L5375] EXPR tmp->state [L5375] return ((struct ppp *)tmp->state); [L5914] tmp = get_ppp(proto___0->dev) [L5915] ppp = tmp [L5126] return (& lock->ldv_6338.rlock); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5916] tmp___0 = spinlock_check(& ppp->lock) [L6725] return __VERIFIER_nondet_ulong(); [L5917] flags = _raw_spin_lock_irqsave(tmp___0) [L5918] proto___0->state [L5919] case 2: VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5920] case 3: VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5921] case 4: VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5922] case 5: [L5930] case 6: VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5469] struct sk_buff *skb ; VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6454] struct sk_buff *tmp ; [L6640] void *skb ; [L6641] void *tmp___7 ; [L5234] void *p ; [L5235] void *tmp ; [L5236] int tmp___0 ; [L5238] tmp___0 = __VERIFIER_nondet_int() [L5239] COND FALSE !(tmp___0 != 0) [L5242] tmp = calloc(1UL, size) [L5243] p = tmp [L5245] return (p); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6643] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L6644] skb = (struct sk_buff___0 *)tmp___7 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6645] COND FALSE !(! skb) [L6516] int i ; [L6518] i = 0 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6519] COND TRUE 1 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6520] COND FALSE !(i < last_index) VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6530] COND TRUE last_index < 15 [L6531] set_impl[last_index] = e [L6532] last_index = last_index + 1 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6649] return (skb); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6456] tmp = ldv_skb_alloc() [L6457] return (tmp); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5475] skb = ldv_skb_dequeue_12(& tx_queue) [L5476] COND TRUE (unsigned long )skb != (unsigned long )((struct sk_buff *)0) VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6747] return __VERIFIER_nondet_int(); [L6454] struct sk_buff *tmp ; [L6640] void *skb ; [L6641] void *tmp___7 ; [L5234] void *p ; [L5235] void *tmp ; [L5236] int tmp___0 ; [L5238] tmp___0 = __VERIFIER_nondet_int() [L5239] COND TRUE tmp___0 != 0 [L5240] return ((void *)0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6643] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L6644] skb = (struct sk_buff___0 *)tmp___7 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6645] COND TRUE ! skb [L6646] return ((void *)0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6456] tmp = ldv_skb_alloc() [L6457] return (tmp); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5475] skb = ldv_skb_dequeue_12(& tx_queue) [L5476] COND FALSE !((unsigned long )skb != (unsigned long )((struct sk_buff *)0)) VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6124] LDV_IN_INTERRUPT = 1 [L6125] ldv_timer_state_1 = 2 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6190] tmp___6 = __VERIFIER_nondet_int() [L6192] case 0: [L6198] case 1: VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6199] COND TRUE ldv_state_variable_0 != 0 [L6200] tmp___7 = __VERIFIER_nondet_int() [L6202] case 0: VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6203] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L6205] ldv_state_variable_0 = 2 VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6707] int tmp___7 ; [L6598] return (last_index == 0); VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L6709] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6710] COND FALSE !(\read(tmp___7)) VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] [L5277] __VERIFIER_error() VAL [__this_module={18446744073709551621:18446744073709551614}, cp_table={-18446744073709551618:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ppp_header_ops={-18446744073709551619:0}, proto={-18446744073709551631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={-18446744073709551624:0}, tx_queue={-18446744073709551621:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 1959 locations, 1 error locations. Result: UNSAFE, OverallTime: 13.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 35750 SDtfs, 28301 SDslu, 58402 SDs, 0 SdLazy, 1907 SolverSat, 617 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7677occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 18465 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 622 NumberOfCodeBlocks, 622 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 51653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 64/64 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...