./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--scsi--st.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_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/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 36fbfc26b416d655133faee846328254eb14ea76 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/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 36fbfc26b416d655133faee846328254eb14ea76 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:52:29,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:52:29,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:52:29,671 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:52:29,671 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:52:29,672 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:52:29,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:52:29,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:52:29,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:52:29,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:52:29,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:52:29,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:52:29,677 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:52:29,678 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:52:29,679 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:52:29,679 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:52:29,680 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:52:29,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:52:29,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:52:29,683 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:52:29,684 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:52:29,685 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:52:29,687 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:52:29,687 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:52:29,687 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:52:29,688 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:52:29,688 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:52:29,689 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:52:29,690 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:52:29,690 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:52:29,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:52:29,691 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:52:29,691 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:52:29,691 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:52:29,692 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:52:29,693 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:52:29,693 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 11:52:29,702 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:52:29,702 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:52:29,702 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:52:29,702 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:52:29,703 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 11:52:29,703 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 11:52:29,703 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 11:52:29,703 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 11:52:29,703 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 11:52:29,703 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 11:52:29,704 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 11:52:29,704 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 11:52:29,704 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 11:52:29,704 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 11:52:29,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:52:29,705 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:52:29,705 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:52:29,705 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:52:29,705 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:52:29,705 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:52:29,706 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:52:29,706 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:52:29,706 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:52:29,706 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:52:29,706 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:52:29,706 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:52:29,706 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:52:29,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:52:29,707 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:52:29,707 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:52:29,707 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:52:29,707 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 11:52:29,707 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:52:29,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:52:29,708 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:52:29,708 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 11:52:29,708 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_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/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 -> 36fbfc26b416d655133faee846328254eb14ea76 [2018-11-23 11:52:29,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:52:29,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:52:29,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:52:29,740 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:52:29,740 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:52:29,741 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 11:52:29,777 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data/5a4ee00bd/caed589c21d44ada83a2f4239bc56a87/FLAG1eff6be44 [2018-11-23 11:52:30,387 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:52:30,387 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 11:52:30,416 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data/5a4ee00bd/caed589c21d44ada83a2f4239bc56a87/FLAG1eff6be44 [2018-11-23 11:52:30,805 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data/5a4ee00bd/caed589c21d44ada83a2f4239bc56a87 [2018-11-23 11:52:30,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:52:30,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:52:30,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:52:30,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:52:30,811 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:52:30,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:52:30" (1/1) ... [2018-11-23 11:52:30,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25af0989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:30, skipping insertion in model container [2018-11-23 11:52:30,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:52:30" (1/1) ... [2018-11-23 11:52:30,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:52:30,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:52:32,548 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:52:32,571 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:52:32,849 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:52:33,088 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:52:33,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33 WrapperNode [2018-11-23 11:52:33,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:52:33,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:52:33,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:52:33,089 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:52:33,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... [2018-11-23 11:52:33,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... [2018-11-23 11:52:33,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:52:33,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:52:33,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:52:33,177 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:52:33,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... [2018-11-23 11:52:33,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... [2018-11-23 11:52:33,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... [2018-11-23 11:52:33,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... [2018-11-23 11:52:33,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... [2018-11-23 11:52:33,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... [2018-11-23 11:52:33,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... [2018-11-23 11:52:33,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:52:33,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:52:33,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:52:33,436 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:52:33,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/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 11:52:33,484 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2018-11-23 11:52:33,484 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-11-23 11:52:33,484 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-11-23 11:52:33,484 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2018-11-23 11:52:33,484 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload [2018-11-23 11:52:33,484 INFO L130 BoogieDeclarations]: Found specification of procedure read_cnt_show [2018-11-23 11:52:33,484 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cnt_show [2018-11-23 11:52:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-11-23 11:52:33,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-11-23 11:52:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2018-11-23 11:52:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq_nowait [2018-11-23 11:52:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2018-11-23 11:52:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2018-11-23 11:52:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 11:52:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 11:52:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 11:52:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 11:52:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_unmap_user_pages [2018-11-23 11:52:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_unmap_user_pages [2018-11-23 11:52:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure move_buffer_data [2018-11-23 11:52:33,486 INFO L138 BoogieDeclarations]: Found implementation of procedure move_buffer_data [2018-11-23 11:52:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2018-11-23 11:52:33,487 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2018-11-23 11:52:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2018-11-23 11:52:33,487 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2018-11-23 11:52:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_register_driver [2018-11-23 11:52:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2018-11-23 11:52:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure st_compat_ioctl [2018-11-23 11:52:33,487 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compat_ioctl [2018-11-23 11:52:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2018-11-23 11:52:33,488 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2018-11-23 11:52:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_queue [2018-11-23 11:52:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2018-11-23 11:52:33,488 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2018-11-23 11:52:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 11:52:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-23 11:52:33,488 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-23 11:52:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2018-11-23 11:52:33,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2018-11-23 11:52:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure st_fixed_buffer_size_show [2018-11-23 11:52:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure st_fixed_buffer_size_show [2018-11-23 11:52:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2018-11-23 11:52:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2018-11-23 11:52:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure st_incompatible [2018-11-23 11:52:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure st_incompatible [2018-11-23 11:52:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2018-11-23 11:52:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_cnt_show [2018-11-23 11:52:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_cnt_show [2018-11-23 11:52:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sense_desc_find [2018-11-23 11:52:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 11:52:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 11:52:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 11:52:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-11-23 11:52:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-11-23 11:52:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_cnt_show [2018-11-23 11:52:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_cnt_show [2018-11-23 11:52:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2018-11-23 11:52:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2018-11-23 11:52:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2018-11-23 11:52:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure st_analyze_sense [2018-11-23 11:52:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure st_analyze_sense [2018-11-23 11:52:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 11:52:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 11:52:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2018-11-23 11:52:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2018-11-23 11:52:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2018-11-23 11:52:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2018-11-23 11:52:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2018-11-23 11:52:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2018-11-23 11:52:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2018-11-23 11:52:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:52:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:52:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2018-11-23 11:52:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2018-11-23 11:52:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2018-11-23 11:52:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure st_read [2018-11-23 11:52:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure st_read [2018-11-23 11:52:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2018-11-23 11:52:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2018-11-23 11:52:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-23 11:52:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-23 11:52:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure __class_register [2018-11-23 11:52:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl_block_when_processing_errors [2018-11-23 11:52:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure st_try_direct_io_show [2018-11-23 11:52:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure st_try_direct_io_show [2018-11-23 11:52:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2018-11-23 11:52:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2018-11-23 11:52:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2018-11-23 11:52:33,494 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2018-11-23 11:52:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2018-11-23 11:52:33,494 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2018-11-23 11:52:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_unlocked [2018-11-23 11:52:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure read_ns_show [2018-11-23 11:52:33,494 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ns_show [2018-11-23 11:52:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2018-11-23 11:52:33,494 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2018-11-23 11:52:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 11:52:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2018-11-23 11:52:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure st_remove [2018-11-23 11:52:33,495 INFO L138 BoogieDeclarations]: Found implementation of procedure st_remove [2018-11-23 11:52:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure st_probe [2018-11-23 11:52:33,495 INFO L138 BoogieDeclarations]: Found implementation of procedure st_probe [2018-11-23 11:52:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2018-11-23 11:52:33,495 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2018-11-23 11:52:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2018-11-23 11:52:33,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2018-11-23 11:52:33,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2018-11-23 11:52:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 11:52:33,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 11:52:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2018-11-23 11:52:33,496 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2018-11-23 11:52:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload_end [2018-11-23 11:52:33,496 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload_end [2018-11-23 11:52:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure in_flight_show [2018-11-23 11:52:33,496 INFO L138 BoogieDeclarations]: Found implementation of procedure in_flight_show [2018-11-23 11:52:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2018-11-23 11:52:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 11:52:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2018-11-23 11:52:33,497 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2018-11-23 11:52:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure exit_st [2018-11-23 11:52:33,497 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_st [2018-11-23 11:52:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2018-11-23 11:52:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2018-11-23 11:52:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 11:52:33,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 11:52:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 11:52:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2018-11-23 11:52:33,498 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2018-11-23 11:52:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure write_cnt_show [2018-11-23 11:52:33,498 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cnt_show [2018-11-23 11:52:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 11:52:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2018-11-23 11:52:33,498 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2018-11-23 11:52:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2018-11-23 11:52:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2018-11-23 11:52:33,499 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2018-11-23 11:52:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2018-11-23 11:52:33,499 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2018-11-23 11:52:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2018-11-23 11:52:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2018-11-23 11:52:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_medium_removal [2018-11-23 11:52:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2018-11-23 11:52:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 11:52:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure clear_buffer [2018-11-23 11:52:33,499 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_buffer [2018-11-23 11:52:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2018-11-23 11:52:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2018-11-23 11:52:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 11:52:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 11:52:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2018-11-23 11:52:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2018-11-23 11:52:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageDirty [2018-11-23 11:52:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageDirty [2018-11-23 11:52:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_get [2018-11-23 11:52:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_get [2018-11-23 11:52:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_driver_21 [2018-11-23 11:52:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_driver_21 [2018-11-23 11:52:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-23 11:52:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2018-11-23 11:52:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2018-11-23 11:52:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2018-11-23 11:52:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2018-11-23 11:52:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure test_ready [2018-11-23 11:52:33,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ready [2018-11-23 11:52:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 11:52:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 11:52:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2018-11-23 11:52:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2018-11-23 11:52:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-23 11:52:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2018-11-23 11:52:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure new_tape_buffer [2018-11-23 11:52:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure new_tape_buffer [2018-11-23 11:52:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2018-11-23 11:52:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2018-11-23 11:52:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 11:52:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 11:52:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2018-11-23 11:52:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2018-11-23 11:52:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 11:52:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2018-11-23 11:52:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2018-11-23 11:52:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure other_cnt_show [2018-11-23 11:52:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure other_cnt_show [2018-11-23 11:52:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2018-11-23 11:52:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:52:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2018-11-23 11:52:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2018-11-23 11:52:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 11:52:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2018-11-23 11:52:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2018-11-23 11:52:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 11:52:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2018-11-23 11:52:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2018-11-23 11:52:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure st_scsi_execute [2018-11-23 11:52:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure st_scsi_execute [2018-11-23 11:52:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2018-11-23 11:52:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2018-11-23 11:52:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2018-11-23 11:52:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2018-11-23 11:52:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2018-11-23 11:52:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2018-11-23 11:52:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 11:52:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 11:52:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2018-11-23 11:52:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2018-11-23 11:52:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure do_remove_sysfs_files [2018-11-23 11:52:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure do_remove_sysfs_files [2018-11-23 11:52:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2018-11-23 11:52:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2018-11-23 11:52:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-23 11:52:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-23 11:52:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_alloc [2018-11-23 11:52:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 11:52:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 11:52:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_map_user_pages [2018-11-23 11:52:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_map_user_pages [2018-11-23 11:52:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2018-11-23 11:52:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2018-11-23 11:52:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 11:52:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure st_ioctl [2018-11-23 11:52:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure st_ioctl [2018-11-23 11:52:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2018-11-23 11:52:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2018-11-23 11:52:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2018-11-23 11:52:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2018-11-23 11:52:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2018-11-23 11:52:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2018-11-23 11:52:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 11:52:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-23 11:52:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-23 11:52:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure options_show [2018-11-23 11:52:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure options_show [2018-11-23 11:52:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure st_set_options [2018-11-23 11:52:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure st_set_options [2018-11-23 11:52:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2018-11-23 11:52:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_release [2018-11-23 11:52:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_release [2018-11-23 11:52:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-11-23 11:52:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-11-23 11:52:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 11:52:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 11:52:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2018-11-23 11:52:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2018-11-23 11:52:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure validate_options [2018-11-23 11:52:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_options [2018-11-23 11:52:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_user [2018-11-23 11:52:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure default_blksize_show [2018-11-23 11:52:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure default_blksize_show [2018-11-23 11:52:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 11:52:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 11:52:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure default_compression_show [2018-11-23 11:52:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure default_compression_show [2018-11-23 11:52:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_20 [2018-11-23 11:52:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_20 [2018-11-23 11:52:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 11:52:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 11:52:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_set_block_pc [2018-11-23 11:52:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2018-11-23 11:52:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2018-11-23 11:52:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-23 11:52:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-23 11:52:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure do_create_sysfs_files [2018-11-23 11:52:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure do_create_sysfs_files [2018-11-23 11:52:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2018-11-23 11:52:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2018-11-23 11:52:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure read_tape [2018-11-23 11:52:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure read_tape [2018-11-23 11:52:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2018-11-23 11:52:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2018-11-23 11:52:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:52:33,511 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:52:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2018-11-23 11:52:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2018-11-23 11:52:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2018-11-23 11:52:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 11:52:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2018-11-23 11:52:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2018-11-23 11:52:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 11:52:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write_ns_show [2018-11-23 11:52:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ns_show [2018-11-23 11:52:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 11:52:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 11:52:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-23 11:52:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2018-11-23 11:52:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2018-11-23 11:52:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure resid_cnt_show [2018-11-23 11:52:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure resid_cnt_show [2018-11-23 11:52:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2018-11-23 11:52:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2018-11-23 11:52:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_queue [2018-11-23 11:52:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure st_open [2018-11-23 11:52:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure st_open [2018-11-23 11:52:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_get [2018-11-23 11:52:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 11:52:33,514 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 11:52:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure st_version_show [2018-11-23 11:52:33,514 INFO L138 BoogieDeclarations]: Found implementation of procedure st_version_show [2018-11-23 11:52:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2018-11-23 11:52:33,514 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2018-11-23 11:52:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure nbr_partitions [2018-11-23 11:52:33,514 INFO L138 BoogieDeclarations]: Found implementation of procedure nbr_partitions [2018-11-23 11:52:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2018-11-23 11:52:33,514 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2018-11-23 11:52:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2018-11-23 11:52:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2018-11-23 11:52:33,514 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2018-11-23 11:52:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure st_max_sg_segs_show [2018-11-23 11:52:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure st_max_sg_segs_show [2018-11-23 11:52:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2018-11-23 11:52:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2018-11-23 11:52:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure partition_tape [2018-11-23 11:52:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure partition_tape [2018-11-23 11:52:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_normalize_sense [2018-11-23 11:52:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2018-11-23 11:52:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure st_release [2018-11-23 11:52:33,515 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release [2018-11-23 11:52:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2018-11-23 11:52:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2018-11-23 11:52:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2018-11-23 11:52:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2018-11-23 11:52:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2018-11-23 11:52:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2018-11-23 11:52:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2018-11-23 11:52:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2018-11-23 11:52:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 11:52:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2018-11-23 11:52:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2018-11-23 11:52:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure st_allocate_request [2018-11-23 11:52:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure st_allocate_request [2018-11-23 11:52:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure create_cdevs [2018-11-23 11:52:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cdevs [2018-11-23 11:52:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure init_st [2018-11-23 11:52:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure init_st [2018-11-23 11:52:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2018-11-23 11:52:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2018-11-23 11:52:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2018-11-23 11:52:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2018-11-23 11:52:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2018-11-23 11:52:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 11:52:33,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 11:52:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2018-11-23 11:52:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure from_buffer [2018-11-23 11:52:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure from_buffer [2018-11-23 11:52:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 11:52:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 11:52:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 11:52:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure io_ns_show [2018-11-23 11:52:33,518 INFO L138 BoogieDeclarations]: Found implementation of procedure io_ns_show [2018-11-23 11:52:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2018-11-23 11:52:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 11:52:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 11:52:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure defined_show [2018-11-23 11:52:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure defined_show [2018-11-23 11:52:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2018-11-23 11:52:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_get_sense_info_fld [2018-11-23 11:52:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2018-11-23 11:52:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2018-11-23 11:52:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 11:52:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:52:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:52:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure default_density_show [2018-11-23 11:52:33,519 INFO L138 BoogieDeclarations]: Found implementation of procedure default_density_show [2018-11-23 11:52:33,519 INFO L130 BoogieDeclarations]: Found specification of procedure reset_state [2018-11-23 11:52:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_state [2018-11-23 11:52:33,520 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 11:52:33,520 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 11:52:49,432 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:52:49,432 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:52:49,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:52:49 BoogieIcfgContainer [2018-11-23 11:52:49,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:52:49,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:52:49,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:52:49,436 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:52:49,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:52:30" (1/3) ... [2018-11-23 11:52:49,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bedce0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:52:49, skipping insertion in model container [2018-11-23 11:52:49,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:52:33" (2/3) ... [2018-11-23 11:52:49,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bedce0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:52:49, skipping insertion in model container [2018-11-23 11:52:49,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:52:49" (3/3) ... [2018-11-23 11:52:49,439 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 11:52:49,447 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:52:49,455 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:52:49,468 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:52:49,505 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:52:49,505 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:52:49,505 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:52:49,505 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:52:49,505 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:52:49,505 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:52:49,505 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:52:49,505 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:52:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states. [2018-11-23 11:52:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2018-11-23 11:52:49,583 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:52:49,584 INFO L402 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:49,586 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:52:49,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:52:49,591 INFO L82 PathProgramCache]: Analyzing trace with hash -313345634, now seen corresponding path program 1 times [2018-11-23 11:52:49,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:52:49,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:52:49,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:52:49,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:52:49,652 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:52:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:52:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 13476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13476 trivial. 0 not checked. [2018-11-23 11:52:51,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:52:51,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:52:51,261 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:52:51,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:52:51,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:52:51,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:52:51,279 INFO L87 Difference]: Start difference. First operand 2864 states. Second operand 3 states. [2018-11-23 11:52:52,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:52:52,297 INFO L93 Difference]: Finished difference Result 8114 states and 12321 transitions. [2018-11-23 11:52:52,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:52:52,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 707 [2018-11-23 11:52:52,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:52:52,329 INFO L225 Difference]: With dead ends: 8114 [2018-11-23 11:52:52,330 INFO L226 Difference]: Without dead ends: 5318 [2018-11-23 11:52:52,345 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 11:52:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2018-11-23 11:52:52,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 5314. [2018-11-23 11:52:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5314 states. [2018-11-23 11:52:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 7930 transitions. [2018-11-23 11:52:52,538 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 7930 transitions. Word has length 707 [2018-11-23 11:52:52,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:52:52,539 INFO L480 AbstractCegarLoop]: Abstraction has 5314 states and 7930 transitions. [2018-11-23 11:52:52,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:52:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 7930 transitions. [2018-11-23 11:52:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2018-11-23 11:52:52,554 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:52:52,554 INFO L402 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:52,554 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:52:52,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:52:52,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1025190267, now seen corresponding path program 1 times [2018-11-23 11:52:52,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:52:52,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:52:52,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:52:52,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:52:52,558 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:52:52,750 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 11:52:52,751 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 11:52:52,751 INFO L169 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 11:52:52,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:52:52,765 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-23 11:52:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:52:53,406 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 738 with the following transitions: [2018-11-23 11:52:53,408 INFO L202 CegarAbsIntRunner]: [31], [32], [210], [265], [271], [272], [1039], [1040], [1557], [1560], [1580], [1583], [1881], [2847], [2850], [2854], [2868], [2870], [2898], [2901], [4561], [4563], [4564], [4575], [4577], [4578], [4948], [4950], [4952], [4954], [4956], [4958], [4960], [4962], [4964], [4966], [4968], [4970], [4972], [4974], [4976], [4978], [4980], [4982], [4984], [4986], [4988], [4990], [4992], [4994], [4996], [4998], [5000], [5002], [5004], [5006], [5008], [5010], [5012], [5014], [5016], [5018], [5020], [5022], [5024], [5026], [5028], [5030], [5032], [5034], [5036], [5038], [5040], [5042], [5044], [5046], [5048], [5050], [5052], [5054], [5056], [5058], [5060], [5062], [5064], [5066], [5068], [5070], [5072], [5074], [5076], [5078], [5080], [5082], [5115], [5167], [5200], [5233], [5266], [5299], [5332], [5392], [5425], [5458], [5491], [5524], [5557], [5590], [5593], [5596], [5599], [5606], [5610], [5978], [5982], [5986], [5992], [5996], [5999], [6002], [6666], [6669], [6764], [6765], [6766], [6853], [6857], [6859], [6864], [6867], [6877], [6882], [6885], [7722], [7778], [7950], [7956], [8082], [8083], [8090], [8091], [8128], [8129], [8130], [8131], [8132], [8133], [8134], [8135], [8136], [8137], [8138], [8139], [8140], [8141], [8142], [8143], [8144], [8145], [8146], [8147], [8148], [8149], [8150], [8151], [8152], [8153], [8154], [8155], [8156], [8157], [8158], [8159], [8160], [8161], [8162], [8163], [8164], [8165], [8166], [8167], [8168], [8169], [8170], [8171], [8172], [8173], [8174], [8175], [8176], [8177], [8178], [8179], [8180], [8181], [8182], [8183], [8184], [8185], [8186], [8187], [8188], [8189], [8190], [8191], [8192], [8193], [8194], [8195], [8196], [8197], [8198], [8199], [8200], [8201], [8202], [8203], [8204], [8205], [8206], [8207], [8208], [8209], [8210], [8211], [8212], [8213], [8214], [8215], [8216], [8217], [8218], [8219], [8220], [8221], [8222], [8223], [8224], [8225], [8226], [8227], [8228], [8229], [8230], [8231], [8232], [8233], [8234], [8235], [8236], [8237], [8238], [8239], [8240], [8241], [8242], [8243], [8244], [8245], [8246], [8247], [8248], [8249], [8250], [8251], [8252], [8253], [8254], [8255], [8256], [8257], [8258], [8259], [8326], [8376], [8510], [8526], [8527], [8530], [8596], [8597], [8598] [2018-11-23 11:52:53,454 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:52:53,455 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:52:59,120 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 11:52:59,122 INFO L168 Benchmark]: Toolchain (without parser) took 28314.28 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 943.1 MB in the beginning and 1.7 GB in the end (delta: -712.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-23 11:52:59,124 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:52:59,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2279.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 943.1 MB in the beginning and 1.3 GB in the end (delta: -312.3 MB). Peak memory consumption was 328.2 MB. Max. memory is 11.5 GB. [2018-11-23 11:52:59,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:52:59,125 INFO L168 Benchmark]: Boogie Preprocessor took 259.06 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: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 11.5 GB. [2018-11-23 11:52:59,125 INFO L168 Benchmark]: RCFGBuilder took 15996.51 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 837.8 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -132.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 11:52:59,126 INFO L168 Benchmark]: TraceAbstraction took 9688.61 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 631.2 MB). Free memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: -359.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 11:52:59,131 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2279.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 943.1 MB in the beginning and 1.3 GB in the end (delta: -312.3 MB). Peak memory consumption was 328.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 259.06 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: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15996.51 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 837.8 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -132.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * TraceAbstraction took 9688.61 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 631.2 MB). Free memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: -359.8 MB). Peak memory consumption was 1.2 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 11:53:00,632 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:53:00,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:53:00,641 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:53:00,641 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:53:00,641 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:53:00,642 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:53:00,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:53:00,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:53:00,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:53:00,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:53:00,646 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:53:00,646 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:53:00,647 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:53:00,648 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:53:00,648 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:53:00,650 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:53:00,651 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:53:00,652 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:53:00,653 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:53:00,654 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:53:00,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:53:00,657 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:53:00,657 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:53:00,657 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:53:00,658 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:53:00,659 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:53:00,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:53:00,660 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:53:00,661 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:53:00,661 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:53:00,662 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:53:00,662 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:53:00,662 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:53:00,663 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:53:00,663 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:53:00,663 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 11:53:00,674 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:53:00,674 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:53:00,675 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:53:00,675 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:53:00,675 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 11:53:00,675 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 11:53:00,676 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 11:53:00,676 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 11:53:00,676 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 11:53:00,676 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 11:53:00,676 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:53:00,676 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:53:00,677 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:53:00,677 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:53:00,678 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:53:00,678 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:53:00,678 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:53:00,678 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:53:00,678 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:53:00,678 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:53:00,678 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:53:00,679 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:53:00,679 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:53:00,679 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:53:00,679 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:53:00,679 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:53:00,679 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:53:00,679 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:53:00,679 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 11:53:00,679 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:53:00,679 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:53:00,680 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:53:00,680 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_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/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 -> 36fbfc26b416d655133faee846328254eb14ea76 [2018-11-23 11:53:00,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:53:00,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:53:00,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:53:00,725 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:53:00,726 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:53:00,726 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 11:53:00,767 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data/5a94887eb/2c77517a25144b60bdaea1a12682029b/FLAG975df5201 [2018-11-23 11:53:01,296 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:53:01,297 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 11:53:01,326 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data/5a94887eb/2c77517a25144b60bdaea1a12682029b/FLAG975df5201 [2018-11-23 11:53:01,743 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/data/5a94887eb/2c77517a25144b60bdaea1a12682029b [2018-11-23 11:53:01,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:53:01,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:53:01,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:53:01,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:53:01,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:53:01,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:01" (1/1) ... [2018-11-23 11:53:01,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656f66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:01, skipping insertion in model container [2018-11-23 11:53:01,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:53:01" (1/1) ... [2018-11-23 11:53:01,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:53:01,877 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:53:03,984 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:53:04,015 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:53:04,416 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:53:04,801 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:53:04,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04 WrapperNode [2018-11-23 11:53:04,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:53:04,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:53:04,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:53:04,803 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:53:04,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... [2018-11-23 11:53:04,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... [2018-11-23 11:53:04,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:53:04,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:53:04,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:53:04,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:53:04,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... [2018-11-23 11:53:04,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... [2018-11-23 11:53:04,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... [2018-11-23 11:53:04,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... [2018-11-23 11:53:05,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... [2018-11-23 11:53:05,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... [2018-11-23 11:53:05,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... [2018-11-23 11:53:05,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:53:05,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:53:05,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:53:05,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:53:05,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/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 11:53:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2018-11-23 11:53:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-11-23 11:53:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-11-23 11:53:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2018-11-23 11:53:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 11:53:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload [2018-11-23 11:53:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read_cnt_show [2018-11-23 11:53:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cnt_show [2018-11-23 11:53:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-11-23 11:53:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-11-23 11:53:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2018-11-23 11:53:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 11:53:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq_nowait [2018-11-23 11:53:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 11:53:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2018-11-23 11:53:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 11:53:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2018-11-23 11:53:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 11:53:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 11:53:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 11:53:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 11:53:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_unmap_user_pages [2018-11-23 11:53:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_unmap_user_pages [2018-11-23 11:53:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure move_buffer_data [2018-11-23 11:53:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure move_buffer_data [2018-11-23 11:53:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2018-11-23 11:53:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2018-11-23 11:53:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2018-11-23 11:53:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2018-11-23 11:53:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_register_driver [2018-11-23 11:53:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2018-11-23 11:53:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure st_compat_ioctl [2018-11-23 11:53:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compat_ioctl [2018-11-23 11:53:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2018-11-23 11:53:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2018-11-23 11:53:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_queue [2018-11-23 11:53:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2018-11-23 11:53:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2018-11-23 11:53:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 11:53:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-23 11:53:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-23 11:53:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2018-11-23 11:53:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2018-11-23 11:53:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure st_fixed_buffer_size_show [2018-11-23 11:53:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure st_fixed_buffer_size_show [2018-11-23 11:53:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2018-11-23 11:53:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2018-11-23 11:53:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure st_incompatible [2018-11-23 11:53:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure st_incompatible [2018-11-23 11:53:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2018-11-23 11:53:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_cnt_show [2018-11-23 11:53:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_cnt_show [2018-11-23 11:53:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sense_desc_find [2018-11-23 11:53:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 11:53:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 11:53:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 11:53:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-11-23 11:53:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-11-23 11:53:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_cnt_show [2018-11-23 11:53:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_cnt_show [2018-11-23 11:53:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2018-11-23 11:53:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2018-11-23 11:53:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2018-11-23 11:53:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure st_analyze_sense [2018-11-23 11:53:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure st_analyze_sense [2018-11-23 11:53:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 11:53:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 11:53:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2018-11-23 11:53:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2018-11-23 11:53:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2018-11-23 11:53:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2018-11-23 11:53:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2018-11-23 11:53:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2018-11-23 11:53:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2018-11-23 11:53:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:53:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:53:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2018-11-23 11:53:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2018-11-23 11:53:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2018-11-23 11:53:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure st_read [2018-11-23 11:53:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure st_read [2018-11-23 11:53:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2018-11-23 11:53:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2018-11-23 11:53:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-23 11:53:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-23 11:53:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure __class_register [2018-11-23 11:53:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl_block_when_processing_errors [2018-11-23 11:53:05,236 INFO L130 BoogieDeclarations]: Found specification of procedure st_try_direct_io_show [2018-11-23 11:53:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure st_try_direct_io_show [2018-11-23 11:53:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2018-11-23 11:53:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2018-11-23 11:53:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2018-11-23 11:53:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2018-11-23 11:53:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2018-11-23 11:53:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2018-11-23 11:53:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_unlocked [2018-11-23 11:53:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure read_ns_show [2018-11-23 11:53:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ns_show [2018-11-23 11:53:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2018-11-23 11:53:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2018-11-23 11:53:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 11:53:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2018-11-23 11:53:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure st_remove [2018-11-23 11:53:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure st_remove [2018-11-23 11:53:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure st_probe [2018-11-23 11:53:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure st_probe [2018-11-23 11:53:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2018-11-23 11:53:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2018-11-23 11:53:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2018-11-23 11:53:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2018-11-23 11:53:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2018-11-23 11:53:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 11:53:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 11:53:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2018-11-23 11:53:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2018-11-23 11:53:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload_end [2018-11-23 11:53:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload_end [2018-11-23 11:53:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure in_flight_show [2018-11-23 11:53:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure in_flight_show [2018-11-23 11:53:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2018-11-23 11:53:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 11:53:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2018-11-23 11:53:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2018-11-23 11:53:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure exit_st [2018-11-23 11:53:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_st [2018-11-23 11:53:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2018-11-23 11:53:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 11:53:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2018-11-23 11:53:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 11:53:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 11:53:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 11:53:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 11:53:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 11:53:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 11:53:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2018-11-23 11:53:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2018-11-23 11:53:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write_cnt_show [2018-11-23 11:53:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cnt_show [2018-11-23 11:53:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 11:53:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2018-11-23 11:53:05,241 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2018-11-23 11:53:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-11-23 11:53:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 11:53:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2018-11-23 11:53:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 11:53:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2018-11-23 11:53:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2018-11-23 11:53:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-23 11:53:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2018-11-23 11:53:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2018-11-23 11:53:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2018-11-23 11:53:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2018-11-23 11:53:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_medium_removal [2018-11-23 11:53:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2018-11-23 11:53:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 11:53:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure clear_buffer [2018-11-23 11:53:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_buffer [2018-11-23 11:53:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2018-11-23 11:53:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2018-11-23 11:53:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 11:53:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 11:53:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2018-11-23 11:53:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2018-11-23 11:53:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageDirty [2018-11-23 11:53:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageDirty [2018-11-23 11:53:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_get [2018-11-23 11:53:05,243 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_get [2018-11-23 11:53:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_driver_21 [2018-11-23 11:53:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_driver_21 [2018-11-23 11:53:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-23 11:53:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2018-11-23 11:53:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2018-11-23 11:53:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2018-11-23 11:53:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2018-11-23 11:53:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure test_ready [2018-11-23 11:53:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ready [2018-11-23 11:53:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 11:53:05,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 11:53:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2018-11-23 11:53:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2018-11-23 11:53:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~TO~C_INT [2018-11-23 11:53:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~TO~C_INT [2018-11-23 11:53:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-23 11:53:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2018-11-23 11:53:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure new_tape_buffer [2018-11-23 11:53:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure new_tape_buffer [2018-11-23 11:53:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2018-11-23 11:53:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2018-11-23 11:53:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 11:53:05,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 11:53:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2018-11-23 11:53:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2018-11-23 11:53:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2018-11-23 11:53:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2018-11-23 11:53:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure other_cnt_show [2018-11-23 11:53:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure other_cnt_show [2018-11-23 11:53:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2018-11-23 11:53:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:53:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2018-11-23 11:53:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2018-11-23 11:53:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 11:53:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2018-11-23 11:53:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2018-11-23 11:53:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2018-11-23 11:53:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2018-11-23 11:53:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure st_scsi_execute [2018-11-23 11:53:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure st_scsi_execute [2018-11-23 11:53:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2018-11-23 11:53:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2018-11-23 11:53:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2018-11-23 11:53:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2018-11-23 11:53:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2018-11-23 11:53:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2018-11-23 11:53:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 11:53:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 11:53:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2018-11-23 11:53:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2018-11-23 11:53:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure do_remove_sysfs_files [2018-11-23 11:53:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure do_remove_sysfs_files [2018-11-23 11:53:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2018-11-23 11:53:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2018-11-23 11:53:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-23 11:53:05,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-23 11:53:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_alloc [2018-11-23 11:53:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 11:53:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 11:53:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure sgl_map_user_pages [2018-11-23 11:53:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure sgl_map_user_pages [2018-11-23 11:53:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2018-11-23 11:53:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2018-11-23 11:53:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 11:53:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure st_ioctl [2018-11-23 11:53:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure st_ioctl [2018-11-23 11:53:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2018-11-23 11:53:05,250 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2018-11-23 11:53:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2018-11-23 11:53:05,250 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2018-11-23 11:53:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2018-11-23 11:53:05,250 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2018-11-23 11:53:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-23 11:53:05,250 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-23 11:53:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure options_show [2018-11-23 11:53:05,250 INFO L138 BoogieDeclarations]: Found implementation of procedure options_show [2018-11-23 11:53:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 11:53:05,250 INFO L130 BoogieDeclarations]: Found specification of procedure st_set_options [2018-11-23 11:53:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure st_set_options [2018-11-23 11:53:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 11:53:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2018-11-23 11:53:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 11:53:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_release [2018-11-23 11:53:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_release [2018-11-23 11:53:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 11:53:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-11-23 11:53:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-11-23 11:53:05,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 11:53:05,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 11:53:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2018-11-23 11:53:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2018-11-23 11:53:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure validate_options [2018-11-23 11:53:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_options [2018-11-23 11:53:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_user [2018-11-23 11:53:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure default_blksize_show [2018-11-23 11:53:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure default_blksize_show [2018-11-23 11:53:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 11:53:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 11:53:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure default_compression_show [2018-11-23 11:53:05,252 INFO L138 BoogieDeclarations]: Found implementation of procedure default_compression_show [2018-11-23 11:53:05,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_20 [2018-11-23 11:53:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_20 [2018-11-23 11:53:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 11:53:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 11:53:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_set_block_pc [2018-11-23 11:53:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2018-11-23 11:53:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2018-11-23 11:53:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-23 11:53:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-23 11:53:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure do_create_sysfs_files [2018-11-23 11:53:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure do_create_sysfs_files [2018-11-23 11:53:05,253 INFO L130 BoogieDeclarations]: Found specification of procedure read_tape [2018-11-23 11:53:05,253 INFO L138 BoogieDeclarations]: Found implementation of procedure read_tape [2018-11-23 11:53:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2018-11-23 11:53:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2018-11-23 11:53:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:53:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:53:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2018-11-23 11:53:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2018-11-23 11:53:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2018-11-23 11:53:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 11:53:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2018-11-23 11:53:05,254 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2018-11-23 11:53:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 11:53:05,254 INFO L130 BoogieDeclarations]: Found specification of procedure write_ns_show [2018-11-23 11:53:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ns_show [2018-11-23 11:53:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 11:53:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 11:53:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-23 11:53:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2018-11-23 11:53:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2018-11-23 11:53:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure resid_cnt_show [2018-11-23 11:53:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure resid_cnt_show [2018-11-23 11:53:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2018-11-23 11:53:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2018-11-23 11:53:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_queue [2018-11-23 11:53:05,255 INFO L130 BoogieDeclarations]: Found specification of procedure st_open [2018-11-23 11:53:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure st_open [2018-11-23 11:53:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_get [2018-11-23 11:53:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 11:53:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 11:53:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure st_version_show [2018-11-23 11:53:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure st_version_show [2018-11-23 11:53:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2018-11-23 11:53:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2018-11-23 11:53:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure nbr_partitions [2018-11-23 11:53:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nbr_partitions [2018-11-23 11:53:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2018-11-23 11:53:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2018-11-23 11:53:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2018-11-23 11:53:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2018-11-23 11:53:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2018-11-23 11:53:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure st_max_sg_segs_show [2018-11-23 11:53:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure st_max_sg_segs_show [2018-11-23 11:53:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2018-11-23 11:53:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2018-11-23 11:53:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure partition_tape [2018-11-23 11:53:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure partition_tape [2018-11-23 11:53:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_normalize_sense [2018-11-23 11:53:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2018-11-23 11:53:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure st_release [2018-11-23 11:53:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release [2018-11-23 11:53:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2018-11-23 11:53:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2018-11-23 11:53:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2018-11-23 11:53:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2018-11-23 11:53:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2018-11-23 11:53:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2018-11-23 11:53:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2018-11-23 11:53:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2018-11-23 11:53:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 11:53:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2018-11-23 11:53:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2018-11-23 11:53:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure st_allocate_request [2018-11-23 11:53:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure st_allocate_request [2018-11-23 11:53:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure create_cdevs [2018-11-23 11:53:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cdevs [2018-11-23 11:53:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure init_st [2018-11-23 11:53:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure init_st [2018-11-23 11:53:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2018-11-23 11:53:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2018-11-23 11:53:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2018-11-23 11:53:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2018-11-23 11:53:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2018-11-23 11:53:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 11:53:05,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 11:53:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2018-11-23 11:53:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure from_buffer [2018-11-23 11:53:05,260 INFO L138 BoogieDeclarations]: Found implementation of procedure from_buffer [2018-11-23 11:53:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 11:53:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 11:53:05,260 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 11:53:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure io_ns_show [2018-11-23 11:53:05,260 INFO L138 BoogieDeclarations]: Found implementation of procedure io_ns_show [2018-11-23 11:53:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2018-11-23 11:53:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 11:53:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure defined_show [2018-11-23 11:53:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure defined_show [2018-11-23 11:53:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2018-11-23 11:53:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_get_sense_info_fld [2018-11-23 11:53:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2018-11-23 11:53:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2018-11-23 11:53:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 11:53:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:53:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:53:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure default_density_show [2018-11-23 11:53:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure default_density_show [2018-11-23 11:53:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure reset_state [2018-11-23 11:53:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_state [2018-11-23 11:53:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 11:53:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 11:54:07,840 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:54:07,841 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:54:07,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:07 BoogieIcfgContainer [2018-11-23 11:54:07,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:54:07,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:54:07,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:54:07,845 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:54:07,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:53:01" (1/3) ... [2018-11-23 11:54:07,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65276fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:54:07, skipping insertion in model container [2018-11-23 11:54:07,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:53:04" (2/3) ... [2018-11-23 11:54:07,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65276fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:54:07, skipping insertion in model container [2018-11-23 11:54:07,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:07" (3/3) ... [2018-11-23 11:54:07,848 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--st.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 11:54:07,854 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:54:07,861 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:54:07,871 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:54:07,899 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:54:07,899 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:54:07,899 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:54:07,899 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:54:07,900 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:54:07,900 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:54:07,900 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:54:07,900 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:54:07,900 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:54:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states. [2018-11-23 11:54:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2018-11-23 11:54:07,965 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:54:07,966 INFO L402 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:07,968 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:54:07,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:54:07,971 INFO L82 PathProgramCache]: Analyzing trace with hash 786791080, now seen corresponding path program 1 times [2018-11-23 11:54:07,978 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:54:07,978 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/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 11:54:08,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:54:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:54:10,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:54:10,843 INFO L134 CoverageAnalysis]: Checked inductivity of 13476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13476 trivial. 0 not checked. [2018-11-23 11:54:10,843 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:54:10,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:54:10,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:54:10,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:54:10,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:54:10,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:54:10,865 INFO L87 Difference]: Start difference. First operand 2864 states. Second operand 3 states. [2018-11-23 11:54:23,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:54:23,455 INFO L93 Difference]: Finished difference Result 8114 states and 12321 transitions. [2018-11-23 11:54:23,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:54:23,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 707 [2018-11-23 11:54:23,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:54:23,496 INFO L225 Difference]: With dead ends: 8114 [2018-11-23 11:54:23,496 INFO L226 Difference]: Without dead ends: 5318 [2018-11-23 11:54:23,514 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 706 GetRequests, 705 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 11:54:23,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2018-11-23 11:54:23,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 5314. [2018-11-23 11:54:23,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5314 states. [2018-11-23 11:54:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 7930 transitions. [2018-11-23 11:54:23,758 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 7930 transitions. Word has length 707 [2018-11-23 11:54:23,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:54:23,760 INFO L480 AbstractCegarLoop]: Abstraction has 5314 states and 7930 transitions. [2018-11-23 11:54:23,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:54:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 7930 transitions. [2018-11-23 11:54:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2018-11-23 11:54:23,781 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:54:23,782 INFO L402 BasicCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:23,782 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:54:23,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:54:23,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1677420251, now seen corresponding path program 1 times [2018-11-23 11:54:23,785 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:54:23,786 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/cvc4nyu Starting monitored process 3 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:54:23,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:54:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:54:26,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:54:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 13476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13476 trivial. 0 not checked. [2018-11-23 11:54:26,741 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:54:26,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:54:26,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:54:26,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:54:26,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:54:26,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:54:26,755 INFO L87 Difference]: Start difference. First operand 5314 states and 7930 transitions. Second operand 3 states. [2018-11-23 11:54:39,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:54:39,655 INFO L93 Difference]: Finished difference Result 11467 states and 16974 transitions. [2018-11-23 11:54:39,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:54:39,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 736 [2018-11-23 11:54:39,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:54:39,684 INFO L225 Difference]: With dead ends: 11467 [2018-11-23 11:54:39,685 INFO L226 Difference]: Without dead ends: 6296 [2018-11-23 11:54:39,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 734 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 11:54:39,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6296 states. [2018-11-23 11:54:39,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6296 to 6293. [2018-11-23 11:54:39,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6293 states. [2018-11-23 11:54:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6293 states to 6293 states and 9249 transitions. [2018-11-23 11:54:39,904 INFO L78 Accepts]: Start accepts. Automaton has 6293 states and 9249 transitions. Word has length 736 [2018-11-23 11:54:39,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:54:39,905 INFO L480 AbstractCegarLoop]: Abstraction has 6293 states and 9249 transitions. [2018-11-23 11:54:39,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:54:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand 6293 states and 9249 transitions. [2018-11-23 11:54:39,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2018-11-23 11:54:39,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:54:39,913 INFO L402 BasicCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:39,913 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:54:39,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:54:39,913 INFO L82 PathProgramCache]: Analyzing trace with hash 2023597166, now seen corresponding path program 1 times [2018-11-23 11:54:39,916 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:54:39,917 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc7d35a1-7a3e-4f00-ad07-41f6cc4d92c9/bin-2019/utaipan/cvc4nyu Starting monitored process 4 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 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:54:39,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:54:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:54:42,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:54:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14895 backedges. 1395 proven. 0 refuted. 0 times theorem prover too weak. 13500 trivial. 0 not checked. [2018-11-23 11:54:42,984 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:54:42,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:54:42,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:54:42,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:54:42,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:54:42,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:54:42,994 INFO L87 Difference]: Start difference. First operand 6293 states and 9249 transitions. Second operand 5 states. [2018-11-23 11:54:48,988 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-23 11:54:48,989 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.unAssertPostcondition(IncrementalHoareTripleChecker.java:651) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:255) 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 11:54:48,992 INFO L168 Benchmark]: Toolchain (without parser) took 107246.47 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 932.5 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 304.3 MB. Max. memory is 11.5 GB. [2018-11-23 11:54:48,994 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:54:48,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3054.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.0 MB). Free memory was 932.5 MB in the beginning and 1.2 GB in the end (delta: -264.1 MB). Peak memory consumption was 320.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:54:48,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.13 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-23 11:54:48,995 INFO L168 Benchmark]: Boogie Preprocessor took 290.16 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: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. [2018-11-23 11:54:48,996 INFO L168 Benchmark]: RCFGBuilder took 62662.05 ms. Allocated memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -313.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 11:54:48,996 INFO L168 Benchmark]: TraceAbstraction took 41150.07 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 572.0 MB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:54:48,998 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3054.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.0 MB). Free memory was 932.5 MB in the beginning and 1.2 GB in the end (delta: -264.1 MB). Peak memory consumption was 320.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.13 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 290.16 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: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 62662.05 ms. Allocated memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -313.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * TraceAbstraction took 41150.07 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 572.0 MB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). 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...