./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 295163d72c56e20afabce1d8cebf3c8edea3ec4d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 295163d72c56e20afabce1d8cebf3c8edea3ec4d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:21:43,410 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:21:43,411 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:21:43,418 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:21:43,418 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:21:43,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:21:43,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:21:43,420 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:21:43,422 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:21:43,422 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:21:43,423 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:21:43,423 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:21:43,424 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:21:43,424 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:21:43,425 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:21:43,426 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:21:43,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:21:43,428 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:21:43,429 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:21:43,430 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:21:43,431 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:21:43,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:21:43,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:21:43,433 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:21:43,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:21:43,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:21:43,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:21:43,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:21:43,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:21:43,437 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:21:43,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:21:43,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:21:43,438 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:21:43,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:21:43,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:21:43,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:21:43,439 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 07:21:43,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:21:43,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:21:43,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:21:43,450 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:21:43,450 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:21:43,451 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:21:43,451 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:21:43,451 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:21:43,451 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:21:43,451 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:21:43,451 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 07:21:43,452 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:21:43,452 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:21:43,452 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:21:43,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:21:43,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:21:43,453 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:21:43,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:21:43,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:21:43,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:21:43,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:21:43,453 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:21:43,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:21:43,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:21:43,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:21:43,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:21:43,454 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:21:43,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:21:43,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:21:43,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:21:43,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:21:43,455 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:21:43,455 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:21:43,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:21:43,455 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:21:43,456 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 07:21:43,456 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295163d72c56e20afabce1d8cebf3c8edea3ec4d [2018-11-23 07:21:43,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:21:43,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:21:43,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:21:43,492 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:21:43,492 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:21:43,493 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 07:21:43,541 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data/e9b2956d4/1b2e7d8c054742d98f0285ca7daa3a24/FLAGf7c0383c6 [2018-11-23 07:21:44,102 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:21:44,102 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 07:21:44,132 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data/e9b2956d4/1b2e7d8c054742d98f0285ca7daa3a24/FLAGf7c0383c6 [2018-11-23 07:21:44,298 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data/e9b2956d4/1b2e7d8c054742d98f0285ca7daa3a24 [2018-11-23 07:21:44,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:21:44,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:21:44,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:21:44,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:21:44,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:21:44,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:21:44" (1/1) ... [2018-11-23 07:21:44,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33309dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:44, skipping insertion in model container [2018-11-23 07:21:44,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:21:44" (1/1) ... [2018-11-23 07:21:44,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:21:44,417 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:21:46,019 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:21:46,031 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:21:46,316 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:21:46,608 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:21:46,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46 WrapperNode [2018-11-23 07:21:46,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:21:46,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:21:46,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:21:46,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:21:46,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... [2018-11-23 07:21:46,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... [2018-11-23 07:21:46,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:21:46,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:21:46,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:21:46,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:21:46,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... [2018-11-23 07:21:46,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... [2018-11-23 07:21:46,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... [2018-11-23 07:21:46,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... [2018-11-23 07:21:46,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... [2018-11-23 07:21:46,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... [2018-11-23 07:21:46,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... [2018-11-23 07:21:46,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:21:46,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:21:46,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:21:46,973 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:21:46,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:21:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bd_list_xfr [2018-11-23 07:21:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bd_list_xfr [2018-11-23 07:21:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_queue_status_stage [2018-11-23 07:21:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_queue_status_stage [2018-11-23 07:21:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_alloc_request [2018-11-23 07:21:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_alloc_request [2018-11-23 07:21:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_mem_alloc [2018-11-23 07:21:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_mem_alloc [2018-11-23 07:21:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_queue [2018-11-23 07:21:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_queue [2018-11-23 07:21:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2018-11-23 07:21:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bd_list_free [2018-11-23 07:21:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bd_list_free [2018-11-23 07:21:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 07:21:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 07:21:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_99 [2018-11-23 07:21:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_99 [2018-11-23 07:21:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure init_ep [2018-11-23 07:21:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ep [2018-11-23 07:21:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 07:21:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 07:21:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2018-11-23 07:21:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2018-11-23 07:21:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2018-11-23 07:21:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2018-11-23 07:21:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dump_epsts [2018-11-23 07:21:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dump_epsts [2018-11-23 07:21:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2018-11-23 07:21:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2018-11-23 07:21:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_issue_cmd [2018-11-23 07:21:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_issue_cmd [2018-11-23 07:21:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_reset [2018-11-23 07:21:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_reset [2018-11-23 07:21:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2018-11-23 07:21:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2018-11-23 07:21:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_queue [2018-11-23 07:21:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_queue [2018-11-23 07:21:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2018-11-23 07:21:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2018-11-23 07:21:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_disable [2018-11-23 07:21:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_disable [2018-11-23 07:21:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2018-11-23 07:21:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 07:21:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 07:21:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2018-11-23 07:21:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 07:21:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 07:21:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2018-11-23 07:21:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2018-11-23 07:21:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_29 [2018-11-23 07:21:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_29 [2018-11-23 07:21:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2018-11-23 07:21:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2018-11-23 07:21:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_bla [2018-11-23 07:21:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_bla [2018-11-23 07:21:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2018-11-23 07:21:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2018-11-23 07:21:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:21:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:21:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure scratchpad_setup [2018-11-23 07:21:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure scratchpad_setup [2018-11-23 07:21:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_set_selfpowered [2018-11-23 07:21:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_set_selfpowered [2018-11-23 07:21:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 07:21:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 07:21:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_2 [2018-11-23 07:21:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_2 [2018-11-23 07:21:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_req_complete [2018-11-23 07:21:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_req_complete [2018-11-23 07:21:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_free_request [2018-11-23 07:21:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_free_request [2018-11-23 07:21:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure bd_add_to_bdi [2018-11-23 07:21:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_add_to_bdi [2018-11-23 07:21:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_remove [2018-11-23 07:21:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_remove [2018-11-23 07:21:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2018-11-23 07:21:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2018-11-23 07:21:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-23 07:21:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-23 07:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 07:21:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 07:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_stop [2018-11-23 07:21:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_stop [2018-11-23 07:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2018-11-23 07:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 07:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2018-11-23 07:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2018-11-23 07:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bd_list_alloc [2018-11-23 07:21:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bd_list_alloc [2018-11-23 07:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2018-11-23 07:21:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2018-11-23 07:21:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 07:21:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 07:21:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2018-11-23 07:21:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2018-11-23 07:21:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 07:21:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 07:21:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2018-11-23 07:21:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 07:21:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2018-11-23 07:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 07:21:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 07:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 07:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_free_ep [2018-11-23 07:21:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_free_ep [2018-11-23 07:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_set_halt [2018-11-23 07:21:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_set_halt [2018-11-23 07:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure bd_available_ep [2018-11-23 07:21:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_available_ep [2018-11-23 07:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_notify_xfr [2018-11-23 07:21:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_notify_xfr [2018-11-23 07:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-23 07:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-23 07:21:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-23 07:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2018-11-23 07:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_stop_ep [2018-11-23 07:21:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_stop_ep [2018-11-23 07:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dconfig_ep [2018-11-23 07:21:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dconfig_ep [2018-11-23 07:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-23 07:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 07:21:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 07:21:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_set_stall [2018-11-23 07:21:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_set_stall [2018-11-23 07:21:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_map_request [2018-11-23 07:21:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_mem_free [2018-11-23 07:21:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_mem_free [2018-11-23 07:21:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dbg_bd_list [2018-11-23 07:21:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dbg_bd_list [2018-11-23 07:21:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_driver_init [2018-11-23 07:21:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_driver_init [2018-11-23 07:21:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 07:21:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 07:21:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 07:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure ep_set_halt [2018-11-23 07:21:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_set_halt [2018-11-23 07:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-11-23 07:21:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-11-23 07:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc [2018-11-23 07:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_pullup [2018-11-23 07:21:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_pullup [2018-11-23 07:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_to_tbi [2018-11-23 07:21:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_to_tbi [2018-11-23 07:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2018-11-23 07:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 07:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-11-23 07:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_giveback_request [2018-11-23 07:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_mem_init [2018-11-23 07:21:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_mem_init [2018-11-23 07:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_driver_exit [2018-11-23 07:21:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_driver_exit [2018-11-23 07:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_config_ep [2018-11-23 07:21:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_config_ep [2018-11-23 07:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_enable [2018-11-23 07:21:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_enable [2018-11-23 07:21:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_3 [2018-11-23 07:21:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_3 [2018-11-23 07:21:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2018-11-23 07:21:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2018-11-23 07:21:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_30 [2018-11-23 07:21:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_30 [2018-11-23 07:21:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_hw_init [2018-11-23 07:21:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_hw_init [2018-11-23 07:21:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_75 [2018-11-23 07:21:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_75 [2018-11-23 07:21:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_queue_xfr [2018-11-23 07:21:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_queue_xfr [2018-11-23 07:21:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_hw_exit [2018-11-23 07:21:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_hw_exit [2018-11-23 07:21:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_init_ep [2018-11-23 07:21:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_init_ep [2018-11-23 07:21:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 07:21:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 07:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dbg_regs [2018-11-23 07:21:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dbg_regs [2018-11-23 07:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 07:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bd_list_reinit [2018-11-23 07:21:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bd_list_reinit [2018-11-23 07:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bdlist_eqp_adv [2018-11-23 07:21:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bdlist_eqp_adv [2018-11-23 07:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_disable [2018-11-23 07:21:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_disable [2018-11-23 07:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-23 07:21:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-23 07:21:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:21:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 07:21:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 07:21:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure ep_queue [2018-11-23 07:21:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_queue [2018-11-23 07:21:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2018-11-23 07:21:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2018-11-23 07:21:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 07:21:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 07:21:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2018-11-23 07:21:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2018-11-23 07:21:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 07:21:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 07:21:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2018-11-23 07:21:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2018-11-23 07:21:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2018-11-23 07:21:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2018-11-23 07:21:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2018-11-23 07:21:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2018-11-23 07:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 07:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_dequeue [2018-11-23 07:21:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_dequeue [2018-11-23 07:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:21:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2018-11-23 07:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_clear_stall [2018-11-23 07:21:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_clear_stall [2018-11-23 07:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-23 07:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 07:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_init [2018-11-23 07:21:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_init [2018-11-23 07:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_start [2018-11-23 07:21:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_start [2018-11-23 07:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_4 [2018-11-23 07:21:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_4 [2018-11-23 07:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure poll_oip [2018-11-23 07:21:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_oip [2018-11-23 07:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 07:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2018-11-23 07:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_stop [2018-11-23 07:21:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_stop [2018-11-23 07:21:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure setup_first_bd_ep0 [2018-11-23 07:21:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_first_bd_ep0 [2018-11-23 07:21:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure ep_dequeue [2018-11-23 07:21:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_dequeue [2018-11-23 07:21:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_exit [2018-11-23 07:21:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_exit [2018-11-23 07:21:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2018-11-23 07:21:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2018-11-23 07:21:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2018-11-23 07:21:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2018-11-23 07:21:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2018-11-23 07:21:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2018-11-23 07:21:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2018-11-23 07:21:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-23 07:21:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_softconn [2018-11-23 07:21:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_softconn [2018-11-23 07:21:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_run [2018-11-23 07:21:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_run [2018-11-23 07:21:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_softdisconn [2018-11-23 07:21:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_softdisconn [2018-11-23 07:21:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2018-11-23 07:21:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2018-11-23 07:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_submit_cmd [2018-11-23 07:21:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_submit_cmd [2018-11-23 07:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup_srr [2018-11-23 07:21:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_srr [2018-11-23 07:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_wakeup [2018-11-23 07:21:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_wakeup [2018-11-23 07:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 07:21:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 07:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure find_end_bdi [2018-11-23 07:21:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure find_end_bdi [2018-11-23 07:21:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2018-11-23 07:21:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2018-11-23 07:21:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2018-11-23 07:21:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2018-11-23 07:21:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_to_bd [2018-11-23 07:21:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_to_bd [2018-11-23 07:21:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 07:21:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:21:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_writel [2018-11-23 07:21:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_writel [2018-11-23 07:21:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unmap_request [2018-11-23 07:21:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 07:21:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure bd_needed_req [2018-11-23 07:21:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_needed_req [2018-11-23 07:21:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:21:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:21:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure chain_table [2018-11-23 07:21:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_table [2018-11-23 07:21:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_readl [2018-11-23 07:21:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_readl [2018-11-23 07:21:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_enable [2018-11-23 07:21:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_enable [2018-11-23 07:21:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2018-11-23 07:21:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2018-11-23 07:21:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2018-11-23 07:21:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 07:21:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 07:21:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_probe [2018-11-23 07:21:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_probe [2018-11-23 07:22:47,495 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:22:47,496 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 07:22:47,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:22:47 BoogieIcfgContainer [2018-11-23 07:22:47,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:22:47,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:22:47,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:22:47,498 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:22:47,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:21:44" (1/3) ... [2018-11-23 07:22:47,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65dfefcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:22:47, skipping insertion in model container [2018-11-23 07:22:47,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:46" (2/3) ... [2018-11-23 07:22:47,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65dfefcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:22:47, skipping insertion in model container [2018-11-23 07:22:47,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:22:47" (3/3) ... [2018-11-23 07:22:47,501 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 07:22:47,507 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:22:47,512 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:22:47,522 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:22:47,550 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:22:47,550 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:22:47,550 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:22:47,550 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:22:47,550 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:22:47,550 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:22:47,550 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:22:47,550 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:22:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states. [2018-11-23 07:22:47,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 07:22:47,588 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:22:47,589 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:22:47,590 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:22:47,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:47,594 INFO L82 PathProgramCache]: Analyzing trace with hash 238710212, now seen corresponding path program 1 times [2018-11-23 07:22:47,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:22:47,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:47,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:47,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:47,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:22:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 07:22:49,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:22:49,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:22:49,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:22:49,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:22:49,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:22:49,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:22:49,424 INFO L87 Difference]: Start difference. First operand 1553 states. Second operand 3 states. [2018-11-23 07:22:56,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:22:56,247 INFO L93 Difference]: Finished difference Result 4176 states and 5791 transitions. [2018-11-23 07:22:56,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:22:56,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-11-23 07:22:56,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:22:56,274 INFO L225 Difference]: With dead ends: 4176 [2018-11-23 07:22:56,274 INFO L226 Difference]: Without dead ends: 2597 [2018-11-23 07:22:56,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:22:56,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2597 states. [2018-11-23 07:22:56,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2597 to 2593. [2018-11-23 07:22:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2593 states. [2018-11-23 07:22:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2593 states and 3553 transitions. [2018-11-23 07:22:56,448 INFO L78 Accepts]: Start accepts. Automaton has 2593 states and 3553 transitions. Word has length 77 [2018-11-23 07:22:56,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:22:56,449 INFO L480 AbstractCegarLoop]: Abstraction has 2593 states and 3553 transitions. [2018-11-23 07:22:56,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:22:56,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 3553 transitions. [2018-11-23 07:22:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 07:22:56,457 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:22:56,457 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:22:56,457 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:22:56,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:56,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2021654098, now seen corresponding path program 1 times [2018-11-23 07:22:56,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:22:56,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:56,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:56,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:56,461 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:22:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:57,344 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-23 07:22:57,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:22:57,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:22:57,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:22:57,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:22:57,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:22:57,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:22:57,346 INFO L87 Difference]: Start difference. First operand 2593 states and 3553 transitions. Second operand 3 states. [2018-11-23 07:22:57,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:22:57,445 INFO L93 Difference]: Finished difference Result 4616 states and 6353 transitions. [2018-11-23 07:22:57,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:22:57,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2018-11-23 07:22:57,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:22:57,467 INFO L225 Difference]: With dead ends: 4616 [2018-11-23 07:22:57,468 INFO L226 Difference]: Without dead ends: 4613 [2018-11-23 07:22:57,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:22:57,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4613 states. [2018-11-23 07:22:57,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4613 to 4570. [2018-11-23 07:22:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4570 states. [2018-11-23 07:22:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4570 states to 4570 states and 6279 transitions. [2018-11-23 07:22:57,643 INFO L78 Accepts]: Start accepts. Automaton has 4570 states and 6279 transitions. Word has length 151 [2018-11-23 07:22:57,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:22:57,644 INFO L480 AbstractCegarLoop]: Abstraction has 4570 states and 6279 transitions. [2018-11-23 07:22:57,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:22:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4570 states and 6279 transitions. [2018-11-23 07:22:57,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 07:22:57,650 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:22:57,650 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:22:57,650 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:22:57,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:57,650 INFO L82 PathProgramCache]: Analyzing trace with hash 210350096, now seen corresponding path program 1 times [2018-11-23 07:22:57,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:22:57,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:57,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:57,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:57,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:22:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-23 07:22:58,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:22:58,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:22:58,502 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:22:58,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:22:58,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:22:58,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:22:58,503 INFO L87 Difference]: Start difference. First operand 4570 states and 6279 transitions. Second operand 3 states. [2018-11-23 07:22:58,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:22:58,667 INFO L93 Difference]: Finished difference Result 9131 states and 12557 transitions. [2018-11-23 07:22:58,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:22:58,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2018-11-23 07:22:58,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:22:58,688 INFO L225 Difference]: With dead ends: 9131 [2018-11-23 07:22:58,688 INFO L226 Difference]: Without dead ends: 4572 [2018-11-23 07:22:58,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:22:58,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4572 states. [2018-11-23 07:22:58,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4572 to 4572. [2018-11-23 07:22:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4572 states. [2018-11-23 07:22:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4572 states to 4572 states and 6281 transitions. [2018-11-23 07:22:58,860 INFO L78 Accepts]: Start accepts. Automaton has 4572 states and 6281 transitions. Word has length 192 [2018-11-23 07:22:58,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:22:58,861 INFO L480 AbstractCegarLoop]: Abstraction has 4572 states and 6281 transitions. [2018-11-23 07:22:58,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:22:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 4572 states and 6281 transitions. [2018-11-23 07:22:58,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 07:22:58,867 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:22:58,867 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:22:58,868 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:22:58,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:58,868 INFO L82 PathProgramCache]: Analyzing trace with hash -142738286, now seen corresponding path program 1 times [2018-11-23 07:22:58,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:22:58,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:58,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:58,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:58,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:22:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 07:22:59,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:22:59,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 07:22:59,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:22:59,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 07:22:59,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 07:22:59,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:22:59,965 INFO L87 Difference]: Start difference. First operand 4572 states and 6281 transitions. Second operand 11 states. [2018-11-23 07:23:24,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:24,709 INFO L93 Difference]: Finished difference Result 9344 states and 12902 transitions. [2018-11-23 07:23:24,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 07:23:24,709 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2018-11-23 07:23:24,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:24,723 INFO L225 Difference]: With dead ends: 9344 [2018-11-23 07:23:24,723 INFO L226 Difference]: Without dead ends: 4783 [2018-11-23 07:23:24,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-23 07:23:24,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2018-11-23 07:23:24,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4652. [2018-11-23 07:23:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4652 states. [2018-11-23 07:23:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4652 states and 6422 transitions. [2018-11-23 07:23:24,848 INFO L78 Accepts]: Start accepts. Automaton has 4652 states and 6422 transitions. Word has length 192 [2018-11-23 07:23:24,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:24,849 INFO L480 AbstractCegarLoop]: Abstraction has 4652 states and 6422 transitions. [2018-11-23 07:23:24,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 07:23:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 4652 states and 6422 transitions. [2018-11-23 07:23:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 07:23:24,854 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:24,854 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:24,854 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:24,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:24,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1273820724, now seen corresponding path program 1 times [2018-11-23 07:23:24,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:24,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:24,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:24,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:24,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:25,778 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 07:23:25,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:23:25,778 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:23:25,779 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-11-23 07:23:25,780 INFO L202 CegarAbsIntRunner]: [0], [2], [3], [433], [434], [695], [700], [714], [727], [731], [736], [741], [743], [746], [751], [757], [759], [761], [762], [763], [764], [803], [804], [1039], [1042], [1169], [1172], [1173], [1192], [1196], [1198], [1199], [1208], [1210], [1211], [1217], [1219], [1220], [1244], [1245], [1395], [1397], [1398], [1403], [1405], [1407], [1409], [1411], [1424], [1437], [1450], [1463], [1476], [1479], [1482], [1525], [1527], [1528], [1664], [1666], [1668], [1740], [1745], [1748], [1751], [1763], [1766], [1769], [1771], [1776], [1779], [1781], [1804], [1807], [1810], [1976], [1978], [1979], [2093], [2095], [2098], [2102], [2104], [2107], [2284], [2285], [2587], [2810], [2812], [2817], [2940], [2941], [3146], [3147], [3148], [3149], [3150], [3154], [3155], [3156], [3157], [3236], [3280], [3281], [3286], [3287], [3332], [3333], [3334], [3335], [3336], [3337], [3338], [3339], [3340], [3341], [3352], [3360], [3361], [3402], [3403], [3414], [3415], [3416], [3417], [3418], [3419], [3422], [3468], [3469], [3484], [3485], [3486], [3487], [3488], [3604], [3652], [3653], [3654], [3658], [3659], [3660] [2018-11-23 07:23:25,821 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:23:25,821 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:24:08,122 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-23 07:24:08,125 INFO L168 Benchmark]: Toolchain (without parser) took 143823.45 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 945.7 MB in the beginning and 3.4 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-23 07:24:08,127 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:24:08,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2305.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -248.0 MB). Peak memory consumption was 322.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:24:08,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:24:08,128 INFO L168 Benchmark]: Boogie Preprocessor took 268.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 75.9 MB). Peak memory consumption was 75.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:24:08,129 INFO L168 Benchmark]: RCFGBuilder took 60523.93 ms. Allocated memory was 1.3 GB in the beginning and 4.1 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -326.1 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-11-23 07:24:08,129 INFO L168 Benchmark]: TraceAbstraction took 80627.55 ms. Allocated memory was 4.1 GB in the beginning and 4.8 GB in the end (delta: 764.9 MB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 07:24:08,137 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2305.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -248.0 MB). Peak memory consumption was 322.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 268.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 75.9 MB). Peak memory consumption was 75.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 60523.93 ms. Allocated memory was 1.3 GB in the beginning and 4.1 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -326.1 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * TraceAbstraction took 80627.55 ms. Allocated memory was 4.1 GB in the beginning and 4.8 GB in the end (delta: 764.9 MB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 07:24:10,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:24:10,031 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:24:10,041 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:24:10,042 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:24:10,042 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:24:10,043 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:24:10,045 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:24:10,046 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:24:10,047 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:24:10,048 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:24:10,048 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:24:10,049 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:24:10,050 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:24:10,051 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:24:10,052 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:24:10,053 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:24:10,055 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:24:10,056 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:24:10,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:24:10,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:24:10,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:24:10,063 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:24:10,063 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:24:10,063 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:24:10,064 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:24:10,065 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:24:10,065 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:24:10,067 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:24:10,068 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:24:10,068 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:24:10,069 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:24:10,069 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:24:10,069 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:24:10,071 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:24:10,071 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:24:10,072 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 07:24:10,084 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:24:10,084 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:24:10,085 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:24:10,085 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:24:10,086 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:24:10,086 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:24:10,086 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:24:10,086 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:24:10,086 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:24:10,087 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:24:10,087 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:24:10,087 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:24:10,088 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:24:10,088 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:24:10,088 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:24:10,088 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 07:24:10,088 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 07:24:10,088 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:24:10,089 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:24:10,089 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:24:10,089 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:24:10,089 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:24:10,089 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:24:10,091 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:24:10,092 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:24:10,092 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:24:10,092 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:24:10,092 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:24:10,092 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 07:24:10,092 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:24:10,093 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 07:24:10,093 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 07:24:10,093 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295163d72c56e20afabce1d8cebf3c8edea3ec4d [2018-11-23 07:24:10,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:24:10,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:24:10,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:24:10,146 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:24:10,147 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:24:10,147 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 07:24:10,199 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data/9ed548b09/4cd3bac1d27c4448895ea65a9f47fbd3/FLAGfa17d9864 [2018-11-23 07:24:10,816 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:24:10,817 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 07:24:10,852 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data/9ed548b09/4cd3bac1d27c4448895ea65a9f47fbd3/FLAGfa17d9864 [2018-11-23 07:24:11,168 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/data/9ed548b09/4cd3bac1d27c4448895ea65a9f47fbd3 [2018-11-23 07:24:11,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:24:11,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:24:11,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:24:11,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:24:11,176 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:24:11,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:24:11" (1/1) ... [2018-11-23 07:24:11,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7b0cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:11, skipping insertion in model container [2018-11-23 07:24:11,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:24:11" (1/1) ... [2018-11-23 07:24:11,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:24:11,290 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:24:13,274 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:24:13,298 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:24:13,798 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:24:14,307 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:24:14,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14 WrapperNode [2018-11-23 07:24:14,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:24:14,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:24:14,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:24:14,309 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:24:14,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... [2018-11-23 07:24:14,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... [2018-11-23 07:24:14,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:24:14,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:24:14,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:24:14,425 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:24:14,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... [2018-11-23 07:24:14,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... [2018-11-23 07:24:14,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... [2018-11-23 07:24:14,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... [2018-11-23 07:24:14,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... [2018-11-23 07:24:14,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... [2018-11-23 07:24:14,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... [2018-11-23 07:24:14,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:24:14,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:24:14,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:24:14,675 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:24:14,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:24:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bd_list_xfr [2018-11-23 07:24:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bd_list_xfr [2018-11-23 07:24:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_queue_status_stage [2018-11-23 07:24:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_queue_status_stage [2018-11-23 07:24:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 07:24:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_alloc_request [2018-11-23 07:24:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_alloc_request [2018-11-23 07:24:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_mem_alloc [2018-11-23 07:24:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_mem_alloc [2018-11-23 07:24:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_queue [2018-11-23 07:24:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_queue [2018-11-23 07:24:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2018-11-23 07:24:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bd_list_free [2018-11-23 07:24:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bd_list_free [2018-11-23 07:24:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 07:24:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 07:24:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 07:24:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 07:24:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 07:24:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_99 [2018-11-23 07:24:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_99 [2018-11-23 07:24:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure init_ep [2018-11-23 07:24:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ep [2018-11-23 07:24:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 07:24:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 07:24:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2018-11-23 07:24:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2018-11-23 07:24:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2018-11-23 07:24:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2018-11-23 07:24:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dump_epsts [2018-11-23 07:24:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dump_epsts [2018-11-23 07:24:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2018-11-23 07:24:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2018-11-23 07:24:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_issue_cmd [2018-11-23 07:24:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_issue_cmd [2018-11-23 07:24:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_reset [2018-11-23 07:24:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_reset [2018-11-23 07:24:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2018-11-23 07:24:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2018-11-23 07:24:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_queue [2018-11-23 07:24:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_queue [2018-11-23 07:24:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2018-11-23 07:24:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2018-11-23 07:24:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_disable [2018-11-23 07:24:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_disable [2018-11-23 07:24:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2018-11-23 07:24:14,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 07:24:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 07:24:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2018-11-23 07:24:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 07:24:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 07:24:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2018-11-23 07:24:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2018-11-23 07:24:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_29 [2018-11-23 07:24:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_29 [2018-11-23 07:24:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2018-11-23 07:24:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2018-11-23 07:24:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_bla [2018-11-23 07:24:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_bla [2018-11-23 07:24:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2018-11-23 07:24:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2018-11-23 07:24:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:24:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:24:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure scratchpad_setup [2018-11-23 07:24:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure scratchpad_setup [2018-11-23 07:24:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_set_selfpowered [2018-11-23 07:24:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_set_selfpowered [2018-11-23 07:24:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 07:24:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 07:24:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_2 [2018-11-23 07:24:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_2 [2018-11-23 07:24:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_req_complete [2018-11-23 07:24:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_req_complete [2018-11-23 07:24:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_free_request [2018-11-23 07:24:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_free_request [2018-11-23 07:24:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure bd_add_to_bdi [2018-11-23 07:24:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_add_to_bdi [2018-11-23 07:24:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_remove [2018-11-23 07:24:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_remove [2018-11-23 07:24:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2018-11-23 07:24:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2018-11-23 07:24:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-23 07:24:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-23 07:24:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 07:24:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 07:24:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_stop [2018-11-23 07:24:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_stop [2018-11-23 07:24:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2018-11-23 07:24:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 07:24:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2018-11-23 07:24:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2018-11-23 07:24:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bd_list_alloc [2018-11-23 07:24:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bd_list_alloc [2018-11-23 07:24:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2018-11-23 07:24:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2018-11-23 07:24:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 07:24:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 07:24:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2018-11-23 07:24:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2018-11-23 07:24:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 07:24:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 07:24:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2018-11-23 07:24:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 07:24:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2018-11-23 07:24:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 07:24:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 07:24:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 07:24:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:24:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 07:24:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 07:24:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 07:24:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 07:24:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_free_ep [2018-11-23 07:24:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_free_ep [2018-11-23 07:24:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_set_halt [2018-11-23 07:24:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_set_halt [2018-11-23 07:24:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-11-23 07:24:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure bd_available_ep [2018-11-23 07:24:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_available_ep [2018-11-23 07:24:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 07:24:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 07:24:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_notify_xfr [2018-11-23 07:24:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_notify_xfr [2018-11-23 07:24:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-23 07:24:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-23 07:24:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-23 07:24:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2018-11-23 07:24:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_stop_ep [2018-11-23 07:24:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_stop_ep [2018-11-23 07:24:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dconfig_ep [2018-11-23 07:24:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dconfig_ep [2018-11-23 07:24:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-23 07:24:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 07:24:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 07:24:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_set_stall [2018-11-23 07:24:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_set_stall [2018-11-23 07:24:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_map_request [2018-11-23 07:24:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_mem_free [2018-11-23 07:24:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_mem_free [2018-11-23 07:24:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dbg_bd_list [2018-11-23 07:24:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dbg_bd_list [2018-11-23 07:24:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_driver_init [2018-11-23 07:24:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_driver_init [2018-11-23 07:24:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 07:24:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 07:24:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 07:24:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure ep_set_halt [2018-11-23 07:24:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_set_halt [2018-11-23 07:24:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-11-23 07:24:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-11-23 07:24:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc [2018-11-23 07:24:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_pullup [2018-11-23 07:24:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_pullup [2018-11-23 07:24:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_to_tbi [2018-11-23 07:24:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_to_tbi [2018-11-23 07:24:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2018-11-23 07:24:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:24:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 07:24:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2018-11-23 07:24:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_giveback_request [2018-11-23 07:24:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_mem_init [2018-11-23 07:24:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_mem_init [2018-11-23 07:24:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_driver_exit [2018-11-23 07:24:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_driver_exit [2018-11-23 07:24:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_config_ep [2018-11-23 07:24:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_config_ep [2018-11-23 07:24:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_enable [2018-11-23 07:24:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_enable [2018-11-23 07:24:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_3 [2018-11-23 07:24:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_3 [2018-11-23 07:24:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2018-11-23 07:24:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2018-11-23 07:24:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_30 [2018-11-23 07:24:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_30 [2018-11-23 07:24:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_hw_init [2018-11-23 07:24:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_hw_init [2018-11-23 07:24:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_75 [2018-11-23 07:24:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_75 [2018-11-23 07:24:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_queue_xfr [2018-11-23 07:24:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_queue_xfr [2018-11-23 07:24:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_hw_exit [2018-11-23 07:24:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_hw_exit [2018-11-23 07:24:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_init_ep [2018-11-23 07:24:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_init_ep [2018-11-23 07:24:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 07:24:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 07:24:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_dbg_regs [2018-11-23 07:24:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_dbg_regs [2018-11-23 07:24:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 07:24:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bd_list_reinit [2018-11-23 07:24:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bd_list_reinit [2018-11-23 07:24:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure ep_bdlist_eqp_adv [2018-11-23 07:24:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_bdlist_eqp_adv [2018-11-23 07:24:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_disable [2018-11-23 07:24:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_disable [2018-11-23 07:24:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-23 07:24:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-23 07:24:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 07:24:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 07:24:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure ep_queue [2018-11-23 07:24:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_queue [2018-11-23 07:24:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2018-11-23 07:24:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2018-11-23 07:24:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 07:24:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 07:24:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2018-11-23 07:24:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2018-11-23 07:24:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 07:24:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 07:24:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2018-11-23 07:24:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2018-11-23 07:24:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2018-11-23 07:24:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2018-11-23 07:24:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2018-11-23 07:24:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2018-11-23 07:24:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 07:24:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_gadget_ep_dequeue [2018-11-23 07:24:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_gadget_ep_dequeue [2018-11-23 07:24:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:24:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:24:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2018-11-23 07:24:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_clear_stall [2018-11-23 07:24:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_clear_stall [2018-11-23 07:24:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-11-23 07:24:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 07:24:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_init [2018-11-23 07:24:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_init [2018-11-23 07:24:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_start [2018-11-23 07:24:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_start [2018-11-23 07:24:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_4 [2018-11-23 07:24:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_4 [2018-11-23 07:24:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure poll_oip [2018-11-23 07:24:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_oip [2018-11-23 07:24:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 07:24:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2018-11-23 07:24:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_stop [2018-11-23 07:24:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_stop [2018-11-23 07:24:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure setup_first_bd_ep0 [2018-11-23 07:24:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_first_bd_ep0 [2018-11-23 07:24:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure ep_dequeue [2018-11-23 07:24:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_dequeue [2018-11-23 07:24:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_exit [2018-11-23 07:24:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_exit [2018-11-23 07:24:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2018-11-23 07:24:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2018-11-23 07:24:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2018-11-23 07:24:14,752 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2018-11-23 07:24:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2018-11-23 07:24:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2018-11-23 07:24:14,752 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2018-11-23 07:24:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-23 07:24:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_softconn [2018-11-23 07:24:14,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_softconn [2018-11-23 07:24:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_run [2018-11-23 07:24:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_run [2018-11-23 07:24:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_softdisconn [2018-11-23 07:24:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_softdisconn [2018-11-23 07:24:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2018-11-23 07:24:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2018-11-23 07:24:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_submit_cmd [2018-11-23 07:24:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_submit_cmd [2018-11-23 07:24:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure setup_srr [2018-11-23 07:24:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_srr [2018-11-23 07:24:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_udc_wakeup [2018-11-23 07:24:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_udc_wakeup [2018-11-23 07:24:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 07:24:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 07:24:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure find_end_bdi [2018-11-23 07:24:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure find_end_bdi [2018-11-23 07:24:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2018-11-23 07:24:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2018-11-23 07:24:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2018-11-23 07:24:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2018-11-23 07:24:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_to_bd [2018-11-23 07:24:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_to_bd [2018-11-23 07:24:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 07:24:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_writel [2018-11-23 07:24:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_writel [2018-11-23 07:24:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unmap_request [2018-11-23 07:24:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 07:24:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure bd_needed_req [2018-11-23 07:24:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_needed_req [2018-11-23 07:24:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:24:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:24:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure chain_table [2018-11-23 07:24:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_table [2018-11-23 07:24:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_readl [2018-11-23 07:24:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_readl [2018-11-23 07:24:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_ep_enable [2018-11-23 07:24:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_ep_enable [2018-11-23 07:24:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2018-11-23 07:24:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2018-11-23 07:24:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2018-11-23 07:24:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 07:24:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 07:24:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure bdc_probe [2018-11-23 07:24:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure bdc_probe [2018-11-23 07:27:34,039 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:27:34,040 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 07:27:34,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:27:34 BoogieIcfgContainer [2018-11-23 07:27:34,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:27:34,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:27:34,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:27:34,045 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:27:34,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:24:11" (1/3) ... [2018-11-23 07:27:34,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf6e965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:27:34, skipping insertion in model container [2018-11-23 07:27:34,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:24:14" (2/3) ... [2018-11-23 07:27:34,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf6e965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:27:34, skipping insertion in model container [2018-11-23 07:27:34,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:27:34" (3/3) ... [2018-11-23 07:27:34,048 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--bdc--bdc.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 07:27:34,059 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:27:34,070 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:27:34,088 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:27:34,129 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:27:34,129 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:27:34,129 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:27:34,130 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:27:34,130 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:27:34,130 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:27:34,130 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:27:34,130 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:27:34,130 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:27:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states. [2018-11-23 07:27:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 07:27:34,185 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:27:34,187 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:27:34,189 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:27:34,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:27:34,195 INFO L82 PathProgramCache]: Analyzing trace with hash 238710212, now seen corresponding path program 1 times [2018-11-23 07:27:34,208 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 07:27:34,208 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bffa1e8-2d4d-41e2-9df5-ca7e35f661e0/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 07:27:34,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:27:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:27:46,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:27:46,904 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 07:27:46,904 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:27:46,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:27:46,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:27:46,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:27:46,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:27:46,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:27:46,936 INFO L87 Difference]: Start difference. First operand 1553 states. Second operand 3 states. [2018-11-23 07:28:03,923 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-23 07:28:03,925 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:334) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:258) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:715) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-11-23 07:28:03,928 INFO L168 Benchmark]: Toolchain (without parser) took 232756.66 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 935.7 MB in the beginning and 1.6 GB in the end (delta: -690.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 07:28:03,930 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:28:03,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3134.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 316.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:28:03,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:28:03,931 INFO L168 Benchmark]: Boogie Preprocessor took 249.10 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:28:03,932 INFO L168 Benchmark]: RCFGBuilder took 199365.97 ms. Allocated memory was 1.3 GB in the beginning and 3.3 GB in the end (delta: 2.0 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -222.9 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-11-23 07:28:03,932 INFO L168 Benchmark]: TraceAbstraction took 29886.57 ms. Allocated memory was 3.3 GB in the beginning and 3.2 GB in the end (delta: -68.2 MB). Free memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: -356.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:28:03,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3134.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 316.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 249.10 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 199365.97 ms. Allocated memory was 1.3 GB in the beginning and 3.3 GB in the end (delta: 2.0 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -222.9 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * TraceAbstraction took 29886.57 ms. Allocated memory was 3.3 GB in the beginning and 3.2 GB in the end (delta: -68.2 MB). Free memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: -356.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...