./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.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_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/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 e9810509250a4773f668577f093add45ba9ea317 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/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 e9810509250a4773f668577f093add45ba9ea317 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:24:18,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:24:18,600 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:24:18,607 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:24:18,608 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:24:18,608 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:24:18,609 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:24:18,610 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:24:18,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:24:18,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:24:18,612 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:24:18,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:24:18,613 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:24:18,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:24:18,614 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:24:18,615 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:24:18,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:24:18,617 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:24:18,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:24:18,619 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:24:18,620 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:24:18,621 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:24:18,622 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:24:18,622 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:24:18,623 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:24:18,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:24:18,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:24:18,624 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:24:18,625 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:24:18,626 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:24:18,626 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:24:18,626 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:24:18,627 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:24:18,627 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:24:18,627 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:24:18,628 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:24:18,628 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 08:24:18,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:24:18,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:24:18,639 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:24:18,639 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:24:18,639 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:24:18,639 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:24:18,639 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:24:18,640 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:24:18,640 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:24:18,640 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:24:18,640 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 08:24:18,640 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:24:18,640 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:24:18,640 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:24:18,641 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:24:18,641 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:24:18,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:24:18,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:24:18,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:24:18,641 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:24:18,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:24:18,642 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:24:18,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:24:18,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:24:18,642 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:24:18,642 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:24:18,642 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:24:18,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:24:18,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:24:18,643 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:24:18,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:24:18,643 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:24:18,643 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:24:18,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:24:18,643 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:24:18,643 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 08:24:18,644 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_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/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 -> e9810509250a4773f668577f093add45ba9ea317 [2018-11-23 08:24:18,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:24:18,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:24:18,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:24:18,679 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:24:18,679 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:24:18,680 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:24:18,716 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data/945c2a79f/e5bad9d4cbb24f0aa98308016b1d599d/FLAG37e8138c8 [2018-11-23 08:24:19,205 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:24:19,206 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:24:19,228 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data/945c2a79f/e5bad9d4cbb24f0aa98308016b1d599d/FLAG37e8138c8 [2018-11-23 08:24:19,697 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data/945c2a79f/e5bad9d4cbb24f0aa98308016b1d599d [2018-11-23 08:24:19,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:24:19,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:24:19,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:24:19,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:24:19,703 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:24:19,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:19" (1/1) ... [2018-11-23 08:24:19,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2af7e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:19, skipping insertion in model container [2018-11-23 08:24:19,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:19" (1/1) ... [2018-11-23 08:24:19,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:24:19,780 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:24:20,800 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:24:20,821 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:24:20,973 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:24:21,120 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:24:21,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21 WrapperNode [2018-11-23 08:24:21,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:24:21,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:24:21,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:24:21,121 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:24:21,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... [2018-11-23 08:24:21,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... [2018-11-23 08:24:21,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:24:21,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:24:21,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:24:21,175 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:24:21,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... [2018-11-23 08:24:21,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... [2018-11-23 08:24:21,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... [2018-11-23 08:24:21,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... [2018-11-23 08:24:21,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... [2018-11-23 08:24:21,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... [2018-11-23 08:24:21,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... [2018-11-23 08:24:21,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:24:21,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:24:21,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:24:21,291 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:24:21,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/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 08:24:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure read_bulk_callback [2018-11-23 08:24:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure read_bulk_callback [2018-11-23 08:24:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 08:24:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 08:24:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_13 [2018-11-23 08:24:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_13 [2018-11-23 08:24:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 08:24:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2018-11-23 08:24:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 08:24:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-11-23 08:24:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-11-23 08:24:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-23 08:24:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-23 08:24:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-23 08:24:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2018-11-23 08:24:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2018-11-23 08:24:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2018-11-23 08:24:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2018-11-23 08:24:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_tx_timeout [2018-11-23 08:24:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_tx_timeout [2018-11-23 08:24:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:24:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 08:24:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 08:24:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 08:24:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-23 08:24:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 08:24:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-23 08:24:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 08:24:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 08:24:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-11-23 08:24:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-11-23 08:24:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2018-11-23 08:24:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure write_mii_word [2018-11-23 08:24:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mii_word [2018-11-23 08:24:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2018-11-23 08:24:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2018-11-23 08:24:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure intr_callback [2018-11-23 08:24:21,344 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_callback [2018-11-23 08:24:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_ioctl [2018-11-23 08:24:21,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_ioctl [2018-11-23 08:24:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 08:24:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 08:24:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2018-11-23 08:24:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2018-11-23 08:24:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2018-11-23 08:24:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2018-11-23 08:24:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2018-11-23 08:24:21,345 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_probe [2018-11-23 08:24:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_probe [2018-11-23 08:24:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2018-11-23 08:24:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure set_ethernet_addr [2018-11-23 08:24:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ethernet_addr [2018-11-23 08:24:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2018-11-23 08:24:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2018-11-23 08:24:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2018-11-23 08:24:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2018-11-23 08:24:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-23 08:24:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-23 08:24:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_all_urbs [2018-11-23 08:24:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_all_urbs [2018-11-23 08:24:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 08:24:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 08:24:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-23 08:24:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-23 08:24:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure pull_skb [2018-11-23 08:24:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pull_skb [2018-11-23 08:24:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-23 08:24:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-23 08:24:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-11-23 08:24:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2018-11-23 08:24:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_close [2018-11-23 08:24:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_close [2018-11-23 08:24:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-11-23 08:24:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-11-23 08:24:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_20 [2018-11-23 08:24:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_20 [2018-11-23 08:24:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-23 08:24:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-23 08:24:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-23 08:24:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 08:24:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2018-11-23 08:24:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2018-11-23 08:24:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:24:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure free_skb_pool [2018-11-23 08:24:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure free_skb_pool [2018-11-23 08:24:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-11-23 08:24:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-11-23 08:24:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 08:24:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 08:24:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_reset [2018-11-23 08:24:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_reset [2018-11-23 08:24:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2018-11-23 08:24:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2018-11-23 08:24:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2018-11-23 08:24:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2018-11-23 08:24:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_3 [2018-11-23 08:24:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_3 [2018-11-23 08:24:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2018-11-23 08:24:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2018-11-23 08:24:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure read_mii_word [2018-11-23 08:24:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mii_word [2018-11-23 08:24:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 08:24:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 08:24:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 08:24:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 08:24:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2018-11-23 08:24:21,352 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_driver_init [2018-11-23 08:24:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_driver_init [2018-11-23 08:24:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_15 [2018-11-23 08:24:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_15 [2018-11-23 08:24:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 08:24:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 08:24:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2018-11-23 08:24:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2018-11-23 08:24:21,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2018-11-23 08:24:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2018-11-23 08:24:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_disconnect [2018-11-23 08:24:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_disconnect [2018-11-23 08:24:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_14 [2018-11-23 08:24:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_14 [2018-11-23 08:24:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2018-11-23 08:24:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2018-11-23 08:24:21,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-11-23 08:24:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-11-23 08:24:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:24:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:24:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2018-11-23 08:24:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_driver_exit [2018-11-23 08:24:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_driver_exit [2018-11-23 08:24:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 08:24:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 08:24:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2018-11-23 08:24:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 08:24:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 08:24:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2018-11-23 08:24:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2018-11-23 08:24:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2018-11-23 08:24:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2018-11-23 08:24:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_12 [2018-11-23 08:24:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_12 [2018-11-23 08:24:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_resume [2018-11-23 08:24:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_resume [2018-11-23 08:24:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2018-11-23 08:24:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 08:24:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 08:24:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:24:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:24:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-11-23 08:24:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-11-23 08:24:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 08:24:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2018-11-23 08:24:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure fill_skb_pool [2018-11-23 08:24:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_skb_pool [2018-11-23 08:24:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-23 08:24:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-23 08:24:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2018-11-23 08:24:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2018-11-23 08:24:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-11-23 08:24:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-11-23 08:24:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2018-11-23 08:24:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2018-11-23 08:24:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 08:24:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-23 08:24:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-23 08:24:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2018-11-23 08:24:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2018-11-23 08:24:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2018-11-23 08:24:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure async_set_registers [2018-11-23 08:24:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure async_set_registers [2018-11-23 08:24:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-23 08:24:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2018-11-23 08:24:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_get_settings [2018-11-23 08:24:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_get_settings [2018-11-23 08:24:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2018-11-23 08:24:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-23 08:24:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure enable_net_traffic [2018-11-23 08:24:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_net_traffic [2018-11-23 08:24:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_set_mac_address [2018-11-23 08:24:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_set_mac_address [2018-11-23 08:24:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 08:24:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2018-11-23 08:24:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2018-11-23 08:24:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2018-11-23 08:24:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:24:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 08:24:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 08:24:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 08:24:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_get_drvinfo [2018-11-23 08:24:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_get_drvinfo [2018-11-23 08:24:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2018-11-23 08:24:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_start_xmit [2018-11-23 08:24:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_start_xmit [2018-11-23 08:24:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 08:24:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2018-11-23 08:24:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-23 08:24:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure disable_net_traffic [2018-11-23 08:24:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_net_traffic [2018-11-23 08:24:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_set_multicast [2018-11-23 08:24:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_set_multicast [2018-11-23 08:24:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2018-11-23 08:24:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 08:24:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 08:24:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 08:24:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 08:24:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2018-11-23 08:24:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2018-11-23 08:24:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2018-11-23 08:24:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_open [2018-11-23 08:24:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_open [2018-11-23 08:24:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-11-23 08:24:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-11-23 08:24:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2018-11-23 08:24:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-11-23 08:24:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-11-23 08:24:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-11-23 08:24:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-11-23 08:24:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 08:24:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 08:24:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_19 [2018-11-23 08:24:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_19 [2018-11-23 08:24:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urbs [2018-11-23 08:24:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urbs [2018-11-23 08:24:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_suspend [2018-11-23 08:24:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_suspend [2018-11-23 08:24:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 08:24:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 08:24:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 08:24:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:24:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2018-11-23 08:24:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2018-11-23 08:24:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2018-11-23 08:24:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-11-23 08:24:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-11-23 08:24:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2018-11-23 08:24:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2018-11-23 08:24:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 08:24:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 08:24:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-11-23 08:24:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-11-23 08:24:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 08:24:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 08:24:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:24:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:24:23,543 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:24:23,544 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-23 08:24:23,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:23 BoogieIcfgContainer [2018-11-23 08:24:23,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:24:23,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:24:23,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:24:23,547 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:24:23,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:24:19" (1/3) ... [2018-11-23 08:24:23,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7daa4b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:24:23, skipping insertion in model container [2018-11-23 08:24:23,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:21" (2/3) ... [2018-11-23 08:24:23,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7daa4b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:24:23, skipping insertion in model container [2018-11-23 08:24:23,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:23" (3/3) ... [2018-11-23 08:24:23,550 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:24:23,557 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:24:23,567 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:24:23,580 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:24:23,609 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:24:23,610 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:24:23,610 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:24:23,610 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:24:23,610 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:24:23,610 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:24:23,610 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:24:23,610 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:24:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states. [2018-11-23 08:24:23,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 08:24:23,646 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:23,647 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:23,649 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:23,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:23,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1683459976, now seen corresponding path program 1 times [2018-11-23 08:24:23,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:23,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:23,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:23,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:23,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 08:24:23,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:23,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:24:23,995 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:23,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:24:24,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:24:24,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:24:24,013 INFO L87 Difference]: Start difference. First operand 886 states. Second operand 3 states. [2018-11-23 08:24:24,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:24,272 INFO L93 Difference]: Finished difference Result 2542 states and 3419 transitions. [2018-11-23 08:24:24,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:24:24,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2018-11-23 08:24:24,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:24,293 INFO L225 Difference]: With dead ends: 2542 [2018-11-23 08:24:24,293 INFO L226 Difference]: Without dead ends: 1668 [2018-11-23 08:24:24,299 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 08:24:24,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2018-11-23 08:24:24,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2018-11-23 08:24:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2018-11-23 08:24:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2204 transitions. [2018-11-23 08:24:24,405 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2204 transitions. Word has length 79 [2018-11-23 08:24:24,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:24,405 INFO L480 AbstractCegarLoop]: Abstraction has 1668 states and 2204 transitions. [2018-11-23 08:24:24,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:24:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2204 transitions. [2018-11-23 08:24:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 08:24:24,411 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:24,411 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:24,411 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:24,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:24,412 INFO L82 PathProgramCache]: Analyzing trace with hash 732178005, now seen corresponding path program 1 times [2018-11-23 08:24:24,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:24,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:24,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:24,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:24,417 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-23 08:24:24,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:24,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:24:24,657 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:24,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:24:24,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:24:24,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:24:24,659 INFO L87 Difference]: Start difference. First operand 1668 states and 2204 transitions. Second operand 7 states. [2018-11-23 08:24:26,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:26,198 INFO L93 Difference]: Finished difference Result 4947 states and 6584 transitions. [2018-11-23 08:24:26,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:24:26,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-11-23 08:24:26,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:26,209 INFO L225 Difference]: With dead ends: 4947 [2018-11-23 08:24:26,209 INFO L226 Difference]: Without dead ends: 3294 [2018-11-23 08:24:26,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:24:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2018-11-23 08:24:26,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2018-11-23 08:24:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3294 states. [2018-11-23 08:24:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4387 transitions. [2018-11-23 08:24:26,290 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4387 transitions. Word has length 95 [2018-11-23 08:24:26,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:26,290 INFO L480 AbstractCegarLoop]: Abstraction has 3294 states and 4387 transitions. [2018-11-23 08:24:26,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:24:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4387 transitions. [2018-11-23 08:24:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 08:24:26,296 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:26,296 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2018-11-23 08:24:26,296 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:26,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:26,297 INFO L82 PathProgramCache]: Analyzing trace with hash 674154889, now seen corresponding path program 1 times [2018-11-23 08:24:26,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:26,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:26,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:26,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:26,302 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-23 08:24:26,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:26,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:24:26,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:26,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:24:26,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:24:26,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:24:26,429 INFO L87 Difference]: Start difference. First operand 3294 states and 4387 transitions. Second operand 3 states. [2018-11-23 08:24:26,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:26,689 INFO L93 Difference]: Finished difference Result 8380 states and 11185 transitions. [2018-11-23 08:24:26,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:24:26,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2018-11-23 08:24:26,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:26,710 INFO L225 Difference]: With dead ends: 8380 [2018-11-23 08:24:26,710 INFO L226 Difference]: Without dead ends: 5117 [2018-11-23 08:24:26,720 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 08:24:26,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5117 states. [2018-11-23 08:24:26,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5117 to 5093. [2018-11-23 08:24:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5093 states. [2018-11-23 08:24:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5093 states to 5093 states and 6803 transitions. [2018-11-23 08:24:26,889 INFO L78 Accepts]: Start accepts. Automaton has 5093 states and 6803 transitions. Word has length 173 [2018-11-23 08:24:26,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:26,890 INFO L480 AbstractCegarLoop]: Abstraction has 5093 states and 6803 transitions. [2018-11-23 08:24:26,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:24:26,890 INFO L276 IsEmpty]: Start isEmpty. Operand 5093 states and 6803 transitions. [2018-11-23 08:24:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 08:24:26,900 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:26,901 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:26,901 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:26,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:26,901 INFO L82 PathProgramCache]: Analyzing trace with hash -2039029938, now seen corresponding path program 1 times [2018-11-23 08:24:26,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:26,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:26,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:26,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:26,906 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 08:24:27,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:27,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:24:27,058 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:27,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:24:27,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:24:27,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:24:27,059 INFO L87 Difference]: Start difference. First operand 5093 states and 6803 transitions. Second operand 3 states. [2018-11-23 08:24:27,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:27,398 INFO L93 Difference]: Finished difference Result 12156 states and 16253 transitions. [2018-11-23 08:24:27,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:24:27,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-11-23 08:24:27,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:27,429 INFO L225 Difference]: With dead ends: 12156 [2018-11-23 08:24:27,429 INFO L226 Difference]: Without dead ends: 7103 [2018-11-23 08:24:27,444 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 08:24:27,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7103 states. [2018-11-23 08:24:27,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7103 to 7079. [2018-11-23 08:24:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7079 states. [2018-11-23 08:24:27,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 9440 transitions. [2018-11-23 08:24:27,686 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 9440 transitions. Word has length 197 [2018-11-23 08:24:27,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:27,687 INFO L480 AbstractCegarLoop]: Abstraction has 7079 states and 9440 transitions. [2018-11-23 08:24:27,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:24:27,687 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 9440 transitions. [2018-11-23 08:24:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 08:24:27,703 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:27,703 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:27,703 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:27,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:27,704 INFO L82 PathProgramCache]: Analyzing trace with hash -681454709, now seen corresponding path program 1 times [2018-11-23 08:24:27,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:27,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:27,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:27,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:27,707 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-23 08:24:27,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:27,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:24:27,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:27,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:24:27,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:24:27,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:24:27,897 INFO L87 Difference]: Start difference. First operand 7079 states and 9440 transitions. Second operand 3 states. [2018-11-23 08:24:28,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:28,021 INFO L93 Difference]: Finished difference Result 14166 states and 18935 transitions. [2018-11-23 08:24:28,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:24:28,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2018-11-23 08:24:28,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:28,040 INFO L225 Difference]: With dead ends: 14166 [2018-11-23 08:24:28,040 INFO L226 Difference]: Without dead ends: 7127 [2018-11-23 08:24:28,051 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 08:24:28,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7127 states. [2018-11-23 08:24:28,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7127 to 7087. [2018-11-23 08:24:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7087 states. [2018-11-23 08:24:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7087 states to 7087 states and 9448 transitions. [2018-11-23 08:24:28,204 INFO L78 Accepts]: Start accepts. Automaton has 7087 states and 9448 transitions. Word has length 214 [2018-11-23 08:24:28,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:28,204 INFO L480 AbstractCegarLoop]: Abstraction has 7087 states and 9448 transitions. [2018-11-23 08:24:28,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:24:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7087 states and 9448 transitions. [2018-11-23 08:24:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 08:24:28,214 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:28,214 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:28,214 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:28,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:28,214 INFO L82 PathProgramCache]: Analyzing trace with hash -436371850, now seen corresponding path program 1 times [2018-11-23 08:24:28,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:28,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:28,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:28,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:28,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-23 08:24:28,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:28,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:24:28,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:28,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:24:28,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:24:28,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:24:28,332 INFO L87 Difference]: Start difference. First operand 7087 states and 9448 transitions. Second operand 3 states. [2018-11-23 08:24:28,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:28,501 INFO L93 Difference]: Finished difference Result 10658 states and 14252 transitions. [2018-11-23 08:24:28,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:24:28,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2018-11-23 08:24:28,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:28,520 INFO L225 Difference]: With dead ends: 10658 [2018-11-23 08:24:28,520 INFO L226 Difference]: Without dead ends: 7103 [2018-11-23 08:24:28,526 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 08:24:28,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7103 states. [2018-11-23 08:24:28,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7103 to 7095. [2018-11-23 08:24:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7095 states. [2018-11-23 08:24:28,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7095 states to 7095 states and 9456 transitions. [2018-11-23 08:24:28,659 INFO L78 Accepts]: Start accepts. Automaton has 7095 states and 9456 transitions. Word has length 218 [2018-11-23 08:24:28,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:28,660 INFO L480 AbstractCegarLoop]: Abstraction has 7095 states and 9456 transitions. [2018-11-23 08:24:28,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:24:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 7095 states and 9456 transitions. [2018-11-23 08:24:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 08:24:28,668 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:28,668 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:28,669 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:28,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:28,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1686083209, now seen corresponding path program 1 times [2018-11-23 08:24:28,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:28,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:28,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:28,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:28,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-23 08:24:28,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:28,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:24:28,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:28,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:24:28,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:24:28,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:24:28,805 INFO L87 Difference]: Start difference. First operand 7095 states and 9456 transitions. Second operand 5 states. [2018-11-23 08:24:29,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:29,049 INFO L93 Difference]: Finished difference Result 16729 states and 22228 transitions. [2018-11-23 08:24:29,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:24:29,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2018-11-23 08:24:29,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:29,071 INFO L225 Difference]: With dead ends: 16729 [2018-11-23 08:24:29,071 INFO L226 Difference]: Without dead ends: 9674 [2018-11-23 08:24:29,083 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:24:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9674 states. [2018-11-23 08:24:29,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9674 to 7111. [2018-11-23 08:24:29,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7111 states. [2018-11-23 08:24:29,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7111 states to 7111 states and 9472 transitions. [2018-11-23 08:24:29,258 INFO L78 Accepts]: Start accepts. Automaton has 7111 states and 9472 transitions. Word has length 220 [2018-11-23 08:24:29,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:29,258 INFO L480 AbstractCegarLoop]: Abstraction has 7111 states and 9472 transitions. [2018-11-23 08:24:29,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:24:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 7111 states and 9472 transitions. [2018-11-23 08:24:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 08:24:29,267 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:29,267 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:29,268 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:29,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:29,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1788880943, now seen corresponding path program 1 times [2018-11-23 08:24:29,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:29,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:29,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:29,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:29,270 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-23 08:24:29,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:29,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:24:29,523 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:29,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:24:29,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:24:29,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:24:29,524 INFO L87 Difference]: Start difference. First operand 7111 states and 9472 transitions. Second operand 5 states. [2018-11-23 08:24:29,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:29,822 INFO L93 Difference]: Finished difference Result 16773 states and 22276 transitions. [2018-11-23 08:24:29,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:24:29,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2018-11-23 08:24:29,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:29,846 INFO L225 Difference]: With dead ends: 16773 [2018-11-23 08:24:29,846 INFO L226 Difference]: Without dead ends: 9702 [2018-11-23 08:24:29,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:24:29,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9702 states. [2018-11-23 08:24:30,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9702 to 7115. [2018-11-23 08:24:30,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7115 states. [2018-11-23 08:24:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7115 states to 7115 states and 9478 transitions. [2018-11-23 08:24:30,051 INFO L78 Accepts]: Start accepts. Automaton has 7115 states and 9478 transitions. Word has length 260 [2018-11-23 08:24:30,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:30,051 INFO L480 AbstractCegarLoop]: Abstraction has 7115 states and 9478 transitions. [2018-11-23 08:24:30,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:24:30,051 INFO L276 IsEmpty]: Start isEmpty. Operand 7115 states and 9478 transitions. [2018-11-23 08:24:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-23 08:24:30,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:30,061 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:30,061 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:30,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:30,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1489398599, now seen corresponding path program 1 times [2018-11-23 08:24:30,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:30,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:30,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:30,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:30,064 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-23 08:24:30,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:30,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:24:30,187 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:30,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:24:30,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:24:30,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:24:30,188 INFO L87 Difference]: Start difference. First operand 7115 states and 9478 transitions. Second operand 5 states. [2018-11-23 08:24:30,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:30,341 INFO L93 Difference]: Finished difference Result 14226 states and 18965 transitions. [2018-11-23 08:24:30,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:24:30,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2018-11-23 08:24:30,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:30,356 INFO L225 Difference]: With dead ends: 14226 [2018-11-23 08:24:30,356 INFO L226 Difference]: Without dead ends: 7151 [2018-11-23 08:24:30,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:24:30,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7151 states. [2018-11-23 08:24:30,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7151 to 7137. [2018-11-23 08:24:30,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7137 states. [2018-11-23 08:24:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7137 states to 7137 states and 9502 transitions. [2018-11-23 08:24:30,589 INFO L78 Accepts]: Start accepts. Automaton has 7137 states and 9502 transitions. Word has length 279 [2018-11-23 08:24:30,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:30,590 INFO L480 AbstractCegarLoop]: Abstraction has 7137 states and 9502 transitions. [2018-11-23 08:24:30,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:24:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 7137 states and 9502 transitions. [2018-11-23 08:24:30,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-23 08:24:30,599 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:30,599 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:30,599 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:30,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:30,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1472892820, now seen corresponding path program 1 times [2018-11-23 08:24:30,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:24:30,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:30,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:30,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:30,602 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:24:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-23 08:24:30,752 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:24:30,753 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:24:30,753 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-11-23 08:24:30,755 INFO L202 CegarAbsIntRunner]: [102], [104], [105], [110], [111], [132], [331], [337], [338], [347], [349], [353], [355], [357], [363], [365], [367], [372], [374], [379], [383], [385], [390], [399], [400], [402], [405], [407], [413], [414], [426], [427], [428], [432], [436], [440], [441], [442], [445], [447], [448], [450], [451], [513], [514], [515], [517], [521], [523], [524], [559], [562], [564], [567], [577], [579], [580], [587], [589], [590], [621], [623], [624], [625], [627], [628], [629], [635], [636], [637], [639], [640], [682], [683], [685], [688], [689], [717], [719], [720], [721], [723], [725], [727], [729], [731], [733], [736], [738], [741], [744], [747], [750], [752], [755], [853], [856], [859], [862], [865], [867], [871], [874], [877], [879], [882], [891], [1235], [1237], [1242], [1244], [1247], [1256], [1259], [1260], [1269], [1274], [1286], [1290], [1322], [1323], [1495], [1496], [1573], [1575], [1576], [1579], [1581], [1582], [1637], [1638], [1639], [1641], [1646], [1648], [1649], [1667], [1669], [1670], [1671], [1672], [1675], [1677], [1682], [1686], [1689], [1693], [1719], [1720], [1727], [1728], [1759], [1760], [1761], [1762], [1763], [1764], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1775], [1776], [1777], [1778], [1779], [1780], [1789], [1790], [1791], [1792], [1795], [1796], [1807], [1808], [1809], [1810], [1817], [1818], [1819], [1820], [1823], [1824], [1833], [1834], [1835], [1836], [1837], [1838], [1861], [1862], [1875], [1876], [1877], [1878], [1879], [1880], [1881], [1882], [1883], [1884], [1885], [1886], [1887], [1888], [1889], [1890], [1891], [1892], [1893], [1894], [1905], [1906], [1907], [1908], [1909], [1910], [1953], [1959], [1960], [2037], [2038], [2039], [2040], [2061], [2062], [2063], [2064], [2069], [2070], [2071], [2072], [2073], [2077], [2078], [2079] [2018-11-23 08:24:30,789 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:24:30,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:24:31,475 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:24:31,476 INFO L272 AbstractInterpreter]: Visited 37 different actions 52 times. Never merged. Never widened. Performed 4857 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4857 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 401 variables. [2018-11-23 08:24:31,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:31,506 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:24:31,941 INFO L227 lantSequenceWeakener]: Weakened 50 states. On average, predicates are now at 95.21% of their original sizes. [2018-11-23 08:24:31,941 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:24:32,417 INFO L415 sIntCurrentIteration]: We unified 280 AI predicates to 280 [2018-11-23 08:24:32,417 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:24:32,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:24:32,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [5] total 24 [2018-11-23 08:24:32,419 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:24:32,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-23 08:24:32,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-23 08:24:32,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2018-11-23 08:24:32,420 INFO L87 Difference]: Start difference. First operand 7137 states and 9502 transitions. Second operand 21 states. [2018-11-23 08:25:07,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:25:07,493 INFO L93 Difference]: Finished difference Result 14294 states and 19031 transitions. [2018-11-23 08:25:07,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-23 08:25:07,493 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 281 [2018-11-23 08:25:07,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:25:07,509 INFO L225 Difference]: With dead ends: 14294 [2018-11-23 08:25:07,509 INFO L226 Difference]: Without dead ends: 7194 [2018-11-23 08:25:07,518 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 299 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=193, Invalid=1367, Unknown=0, NotChecked=0, Total=1560 [2018-11-23 08:25:07,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7194 states. [2018-11-23 08:25:07,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7194 to 7168. [2018-11-23 08:25:07,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7168 states. [2018-11-23 08:25:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7168 states to 7168 states and 9538 transitions. [2018-11-23 08:25:07,882 INFO L78 Accepts]: Start accepts. Automaton has 7168 states and 9538 transitions. Word has length 281 [2018-11-23 08:25:07,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:25:07,883 INFO L480 AbstractCegarLoop]: Abstraction has 7168 states and 9538 transitions. [2018-11-23 08:25:07,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-23 08:25:07,883 INFO L276 IsEmpty]: Start isEmpty. Operand 7168 states and 9538 transitions. [2018-11-23 08:25:07,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 08:25:07,899 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:25:07,899 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:07,899 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:25:07,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:25:07,900 INFO L82 PathProgramCache]: Analyzing trace with hash -365966163, now seen corresponding path program 1 times [2018-11-23 08:25:07,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:25:07,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:25:07,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:25:07,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:25:07,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:25:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:25:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-23 08:25:08,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:25:08,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:25:08,120 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-11-23 08:25:08,121 INFO L202 CegarAbsIntRunner]: [102], [104], [105], [110], [111], [132], [331], [337], [338], [347], [349], [353], [355], [357], [363], [365], [367], [372], [374], [379], [383], [385], [390], [399], [400], [402], [405], [407], [413], [414], [426], [427], [428], [432], [436], [440], [441], [442], [445], [447], [448], [450], [451], [513], [514], [515], [517], [521], [523], [524], [559], [562], [564], [567], [577], [579], [580], [587], [589], [590], [621], [623], [624], [625], [627], [628], [629], [633], [635], [636], [637], [639], [640], [682], [683], [685], [688], [689], [717], [719], [720], [721], [723], [725], [727], [729], [731], [733], [736], [738], [741], [744], [747], [750], [752], [755], [853], [856], [859], [862], [865], [867], [871], [874], [877], [879], [882], [891], [1235], [1237], [1242], [1244], [1247], [1256], [1259], [1260], [1269], [1274], [1286], [1290], [1322], [1323], [1495], [1496], [1573], [1575], [1576], [1579], [1581], [1582], [1637], [1638], [1639], [1641], [1646], [1648], [1649], [1667], [1669], [1670], [1671], [1672], [1675], [1677], [1682], [1686], [1689], [1693], [1719], [1720], [1727], [1728], [1759], [1760], [1761], [1762], [1763], [1764], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1775], [1776], [1777], [1778], [1779], [1780], [1789], [1790], [1791], [1792], [1795], [1796], [1807], [1808], [1809], [1810], [1817], [1818], [1819], [1820], [1823], [1824], [1833], [1834], [1835], [1836], [1837], [1838], [1861], [1862], [1875], [1876], [1877], [1878], [1879], [1880], [1881], [1882], [1883], [1884], [1885], [1886], [1887], [1888], [1889], [1890], [1891], [1892], [1893], [1894], [1905], [1906], [1907], [1908], [1909], [1910], [1953], [1959], [1960], [2037], [2038], [2039], [2040], [2061], [2062], [2063], [2064], [2069], [2070], [2071], [2072], [2073], [2077], [2078], [2079] [2018-11-23 08:25:08,127 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:25:08,127 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:25:10,841 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:25:10,841 INFO L272 AbstractInterpreter]: Visited 203 different actions 418 times. Merged at 20 different actions 30 times. Widened at 1 different actions 1 times. Performed 25727 root evaluator evaluations with a maximum evaluation depth of 6. Performed 25727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 3 different actions. Largest state had 401 variables. [2018-11-23 08:25:10,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:25:10,854 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:25:11,735 INFO L227 lantSequenceWeakener]: Weakened 239 states. On average, predicates are now at 96.08% of their original sizes. [2018-11-23 08:25:11,735 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:25:14,248 INFO L415 sIntCurrentIteration]: We unified 281 AI predicates to 281 [2018-11-23 08:25:14,248 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:25:14,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:25:14,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [89] imperfect sequences [5] total 92 [2018-11-23 08:25:14,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:25:14,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-11-23 08:25:14,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-11-23 08:25:14,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=7373, Unknown=0, NotChecked=0, Total=7832 [2018-11-23 08:25:14,251 INFO L87 Difference]: Start difference. First operand 7168 states and 9538 transitions. Second operand 89 states. [2018-11-23 08:31:33,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:33,133 INFO L93 Difference]: Finished difference Result 22301 states and 29704 transitions. [2018-11-23 08:31:33,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-11-23 08:31:33,133 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 282 [2018-11-23 08:31:33,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:33,186 INFO L225 Difference]: With dead ends: 22301 [2018-11-23 08:31:33,186 INFO L226 Difference]: Without dead ends: 15170 [2018-11-23 08:31:33,210 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 423 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18313 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=2779, Invalid=50351, Unknown=0, NotChecked=0, Total=53130 [2018-11-23 08:31:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15170 states. [2018-11-23 08:31:33,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15170 to 14274. [2018-11-23 08:31:33,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14274 states. [2018-11-23 08:31:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14274 states to 14274 states and 18961 transitions. [2018-11-23 08:31:33,978 INFO L78 Accepts]: Start accepts. Automaton has 14274 states and 18961 transitions. Word has length 282 [2018-11-23 08:31:33,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:33,978 INFO L480 AbstractCegarLoop]: Abstraction has 14274 states and 18961 transitions. [2018-11-23 08:31:33,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-11-23 08:31:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 14274 states and 18961 transitions. [2018-11-23 08:31:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 08:31:34,003 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:34,003 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:31:34,003 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:34,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:34,004 INFO L82 PathProgramCache]: Analyzing trace with hash 536009385, now seen corresponding path program 1 times [2018-11-23 08:31:34,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:31:34,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:34,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:34,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:34,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:31:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-23 08:31:34,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:31:34,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:31:34,220 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-11-23 08:31:34,221 INFO L202 CegarAbsIntRunner]: [102], [104], [105], [110], [111], [132], [331], [337], [338], [347], [349], [353], [355], [357], [363], [365], [367], [372], [374], [379], [383], [385], [390], [399], [400], [402], [409], [411], [413], [414], [426], [427], [428], [432], [436], [440], [441], [442], [445], [447], [448], [450], [451], [513], [514], [515], [517], [521], [523], [524], [559], [562], [564], [567], [577], [579], [580], [587], [589], [590], [621], [623], [624], [625], [627], [628], [629], [633], [635], [636], [637], [639], [640], [682], [683], [685], [688], [689], [717], [719], [720], [721], [723], [725], [727], [729], [731], [733], [736], [738], [741], [744], [747], [750], [752], [755], [853], [856], [859], [862], [865], [867], [871], [874], [877], [879], [882], [891], [1235], [1237], [1242], [1244], [1247], [1256], [1259], [1260], [1269], [1274], [1286], [1290], [1322], [1323], [1495], [1496], [1573], [1575], [1576], [1579], [1581], [1582], [1637], [1638], [1639], [1641], [1646], [1648], [1649], [1667], [1669], [1670], [1671], [1672], [1675], [1677], [1682], [1686], [1689], [1693], [1719], [1720], [1727], [1728], [1759], [1760], [1761], [1762], [1763], [1764], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1775], [1776], [1777], [1778], [1779], [1780], [1789], [1790], [1793], [1794], [1795], [1796], [1807], [1808], [1809], [1810], [1817], [1818], [1819], [1820], [1823], [1824], [1833], [1834], [1835], [1836], [1837], [1838], [1861], [1862], [1875], [1876], [1877], [1878], [1879], [1880], [1881], [1882], [1883], [1884], [1885], [1886], [1887], [1888], [1889], [1890], [1891], [1892], [1893], [1894], [1905], [1906], [1907], [1908], [1909], [1910], [1953], [1959], [1960], [2037], [2038], [2039], [2040], [2061], [2062], [2063], [2064], [2069], [2070], [2071], [2072], [2073], [2077], [2078], [2079] [2018-11-23 08:31:34,224 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:31:34,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:31:38,821 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:31:38,821 INFO L272 AbstractInterpreter]: Visited 241 different actions 894 times. Merged at 26 different actions 69 times. Widened at 1 different actions 1 times. Performed 56957 root evaluator evaluations with a maximum evaluation depth of 7. Performed 56957 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 9 fixpoints after 6 different actions. Largest state had 401 variables. [2018-11-23 08:31:38,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:38,827 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:31:38,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:31:38,827 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:31:38,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:38,838 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:31:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:39,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:31:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-23 08:31:39,209 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:31:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 08:31:39,514 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:31:39,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 08:31:39,514 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:31:39,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 08:31:39,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 08:31:39,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:31:39,515 INFO L87 Difference]: Start difference. First operand 14274 states and 18961 transitions. Second operand 8 states. [2018-11-23 08:31:40,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:40,060 INFO L93 Difference]: Finished difference Result 28527 states and 37995 transitions. [2018-11-23 08:31:40,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:31:40,060 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 282 [2018-11-23 08:31:40,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:40,096 INFO L225 Difference]: With dead ends: 28527 [2018-11-23 08:31:40,096 INFO L226 Difference]: Without dead ends: 14321 [2018-11-23 08:31:40,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 558 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-11-23 08:31:40,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14321 states. [2018-11-23 08:31:40,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14321 to 14289. [2018-11-23 08:31:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2018-11-23 08:31:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 18979 transitions. [2018-11-23 08:31:40,743 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 18979 transitions. Word has length 282 [2018-11-23 08:31:40,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:40,743 INFO L480 AbstractCegarLoop]: Abstraction has 14289 states and 18979 transitions. [2018-11-23 08:31:40,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 08:31:40,743 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 18979 transitions. [2018-11-23 08:31:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-23 08:31:40,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:40,751 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:31:40,751 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:40,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:40,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1922222815, now seen corresponding path program 1 times [2018-11-23 08:31:40,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:31:40,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:40,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:40,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:40,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:31:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-11-23 08:31:40,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:40,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 08:31:40,967 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:31:40,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:31:40,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:31:40,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:31:40,967 INFO L87 Difference]: Start difference. First operand 14289 states and 18979 transitions. Second operand 9 states. [2018-11-23 08:31:41,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:41,662 INFO L93 Difference]: Finished difference Result 28287 states and 37566 transitions. [2018-11-23 08:31:41,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:31:41,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 288 [2018-11-23 08:31:41,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:41,692 INFO L225 Difference]: With dead ends: 28287 [2018-11-23 08:31:41,692 INFO L226 Difference]: Without dead ends: 14517 [2018-11-23 08:31:41,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:31:41,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14517 states. [2018-11-23 08:31:42,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14517 to 14389. [2018-11-23 08:31:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14389 states. [2018-11-23 08:31:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14389 states to 14389 states and 19087 transitions. [2018-11-23 08:31:42,314 INFO L78 Accepts]: Start accepts. Automaton has 14389 states and 19087 transitions. Word has length 288 [2018-11-23 08:31:42,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:42,315 INFO L480 AbstractCegarLoop]: Abstraction has 14389 states and 19087 transitions. [2018-11-23 08:31:42,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:31:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 14389 states and 19087 transitions. [2018-11-23 08:31:42,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-23 08:31:42,327 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:42,327 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:31:42,327 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:42,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:42,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1668881506, now seen corresponding path program 1 times [2018-11-23 08:31:42,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:31:42,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:42,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:42,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:42,330 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:31:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:42,551 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-11-23 08:31:42,551 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:31:42,552 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:31:42,552 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 289 with the following transitions: [2018-11-23 08:31:42,552 INFO L202 CegarAbsIntRunner]: [102], [104], [105], [110], [111], [132], [133], [134], [331], [337], [338], [347], [349], [353], [355], [357], [363], [365], [367], [372], [374], [379], [383], [385], [390], [399], [400], [402], [409], [411], [413], [414], [426], [427], [428], [432], [436], [440], [441], [442], [446], [447], [448], [450], [451], [513], [514], [515], [517], [521], [523], [524], [559], [562], [564], [567], [577], [579], [580], [587], [589], [590], [621], [623], [624], [625], [627], [628], [629], [633], [635], [636], [637], [639], [640], [682], [683], [685], [688], [689], [717], [719], [720], [721], [723], [725], [727], [729], [731], [733], [736], [738], [741], [744], [747], [750], [752], [755], [853], [856], [859], [862], [865], [867], [871], [874], [877], [879], [882], [891], [1235], [1237], [1242], [1244], [1247], [1256], [1259], [1260], [1269], [1274], [1286], [1290], [1322], [1323], [1495], [1496], [1573], [1575], [1576], [1579], [1581], [1582], [1637], [1638], [1639], [1641], [1646], [1648], [1649], [1667], [1669], [1670], [1671], [1672], [1675], [1677], [1682], [1686], [1689], [1690], [1692], [1693], [1719], [1720], [1727], [1728], [1759], [1760], [1761], [1762], [1763], [1764], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1775], [1776], [1777], [1778], [1779], [1780], [1789], [1790], [1793], [1794], [1795], [1796], [1807], [1808], [1809], [1810], [1817], [1818], [1819], [1820], [1823], [1824], [1833], [1834], [1835], [1836], [1837], [1838], [1861], [1862], [1875], [1876], [1877], [1878], [1879], [1880], [1881], [1882], [1883], [1884], [1885], [1886], [1887], [1888], [1889], [1890], [1891], [1892], [1893], [1894], [1905], [1906], [1907], [1908], [1909], [1910], [1953], [1959], [1960], [2037], [2038], [2039], [2040], [2061], [2062], [2063], [2064], [2069], [2070], [2071], [2072], [2073], [2075], [2076], [2077], [2078], [2079] [2018-11-23 08:31:42,556 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:31:42,556 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:31:42,877 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 08:31:42,880 INFO L168 Benchmark]: Toolchain (without parser) took 443179.67 ms. Allocated memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: 3.3 GB). Free memory was 952.3 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-23 08:31:42,881 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:31:42,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1419.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 952.3 MB in the beginning and 990.9 MB in the end (delta: -38.6 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:42,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.16 ms. Allocated memory is still 1.2 GB. Free memory was 990.9 MB in the beginning and 985.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:42,882 INFO L168 Benchmark]: Boogie Preprocessor took 116.13 ms. Allocated memory is still 1.2 GB. Free memory was 985.5 MB in the beginning and 969.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:42,882 INFO L168 Benchmark]: RCFGBuilder took 2253.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 969.4 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 123.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:42,883 INFO L168 Benchmark]: TraceAbstraction took 439334.73 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-23 08:31:42,886 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1419.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 952.3 MB in the beginning and 990.9 MB in the end (delta: -38.6 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.16 ms. Allocated memory is still 1.2 GB. Free memory was 990.9 MB in the beginning and 985.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.13 ms. Allocated memory is still 1.2 GB. Free memory was 985.5 MB in the beginning and 969.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2253.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 969.4 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 123.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 439334.73 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.9 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 08:31:44,375 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:31:44,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:31:44,385 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:31:44,385 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:31:44,386 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:31:44,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:31:44,388 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:31:44,389 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:31:44,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:31:44,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:31:44,390 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:31:44,391 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:31:44,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:31:44,392 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:31:44,393 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:31:44,393 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:31:44,395 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:31:44,396 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:31:44,397 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:31:44,398 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:31:44,399 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:31:44,401 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:31:44,401 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:31:44,401 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:31:44,402 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:31:44,402 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:31:44,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:31:44,403 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:31:44,404 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:31:44,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:31:44,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:31:44,405 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:31:44,405 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:31:44,406 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:31:44,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:31:44,406 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 08:31:44,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:31:44,415 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:31:44,415 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:31:44,415 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:31:44,416 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:31:44,416 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:31:44,416 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:31:44,416 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:31:44,416 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:31:44,416 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:31:44,417 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:31:44,417 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:31:44,417 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:31:44,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:31:44,417 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:31:44,417 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 08:31:44,417 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 08:31:44,418 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:31:44,419 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:31:44,419 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:31:44,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:31:44,420 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:31:44,420 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:31:44,420 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:31:44,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:31:44,420 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:31:44,420 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:31:44,421 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:31:44,421 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 08:31:44,421 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:31:44,421 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 08:31:44,421 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 08:31:44,421 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_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/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 -> e9810509250a4773f668577f093add45ba9ea317 [2018-11-23 08:31:44,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:31:44,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:31:44,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:31:44,465 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:31:44,466 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:31:44,466 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:31:44,511 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data/ad7e42e22/3e0ba4557f364e5bac1f7a07bfc819ca/FLAG301dcd295 [2018-11-23 08:31:45,008 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:31:45,008 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:31:45,033 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data/ad7e42e22/3e0ba4557f364e5bac1f7a07bfc819ca/FLAG301dcd295 [2018-11-23 08:31:45,275 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/data/ad7e42e22/3e0ba4557f364e5bac1f7a07bfc819ca [2018-11-23 08:31:45,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:31:45,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:31:45,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:31:45,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:31:45,281 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:31:45,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:45" (1/1) ... [2018-11-23 08:31:45,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1a839f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:45, skipping insertion in model container [2018-11-23 08:31:45,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:45" (1/1) ... [2018-11-23 08:31:45,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:31:45,356 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:31:46,393 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:31:46,418 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:31:46,585 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:31:46,756 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:31:46,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46 WrapperNode [2018-11-23 08:31:46,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:31:46,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:31:46,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:31:46,757 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:31:46,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... [2018-11-23 08:31:46,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... [2018-11-23 08:31:46,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:31:46,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:31:46,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:31:46,807 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:31:46,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... [2018-11-23 08:31:46,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... [2018-11-23 08:31:46,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... [2018-11-23 08:31:46,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... [2018-11-23 08:31:46,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... [2018-11-23 08:31:46,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... [2018-11-23 08:31:46,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... [2018-11-23 08:31:46,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:31:46,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:31:46,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:31:46,910 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:31:46,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/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 08:31:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure read_bulk_callback [2018-11-23 08:31:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure read_bulk_callback [2018-11-23 08:31:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_13 [2018-11-23 08:31:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_13 [2018-11-23 08:31:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2018-11-23 08:31:46,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 08:31:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-11-23 08:31:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-11-23 08:31:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-23 08:31:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-23 08:31:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-23 08:31:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 08:31:46,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2018-11-23 08:31:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2018-11-23 08:31:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 08:31:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 08:31:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 08:31:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 08:31:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 08:31:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 08:31:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure write_mii_word [2018-11-23 08:31:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mii_word [2018-11-23 08:31:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2018-11-23 08:31:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2018-11-23 08:31:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2018-11-23 08:31:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2018-11-23 08:31:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2018-11-23 08:31:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2018-11-23 08:31:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2018-11-23 08:31:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2018-11-23 08:31:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2018-11-23 08:31:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_all_urbs [2018-11-23 08:31:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_all_urbs [2018-11-23 08:31:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 08:31:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 08:31:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-23 08:31:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-23 08:31:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure pull_skb [2018-11-23 08:31:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pull_skb [2018-11-23 08:31:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2018-11-23 08:31:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_close [2018-11-23 08:31:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_close [2018-11-23 08:31:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_20 [2018-11-23 08:31:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_20 [2018-11-23 08:31:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-23 08:31:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-23 08:31:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-23 08:31:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2018-11-23 08:31:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2018-11-23 08:31:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure free_skb_pool [2018-11-23 08:31:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure free_skb_pool [2018-11-23 08:31:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-11-23 08:31:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-11-23 08:31:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 08:31:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 08:31:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2018-11-23 08:31:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2018-11-23 08:31:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2018-11-23 08:31:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2018-11-23 08:31:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2018-11-23 08:31:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure read_mii_word [2018-11-23 08:31:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mii_word [2018-11-23 08:31:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 08:31:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 08:31:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2018-11-23 08:31:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_15 [2018-11-23 08:31:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_15 [2018-11-23 08:31:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 08:31:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 08:31:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2018-11-23 08:31:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2018-11-23 08:31:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_14 [2018-11-23 08:31:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_14 [2018-11-23 08:31:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2018-11-23 08:31:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2018-11-23 08:31:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-11-23 08:31:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-11-23 08:31:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:31:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:31:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2018-11-23 08:31:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2018-11-23 08:31:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 08:31:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 08:31:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_12 [2018-11-23 08:31:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_12 [2018-11-23 08:31:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2018-11-23 08:31:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 08:31:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 08:31:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-11-23 08:31:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-11-23 08:31:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2018-11-23 08:31:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure fill_skb_pool [2018-11-23 08:31:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_skb_pool [2018-11-23 08:31:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2018-11-23 08:31:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2018-11-23 08:31:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 08:31:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2018-11-23 08:31:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2018-11-23 08:31:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure async_set_registers [2018-11-23 08:31:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure async_set_registers [2018-11-23 08:31:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2018-11-23 08:31:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_get_settings [2018-11-23 08:31:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_get_settings [2018-11-23 08:31:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2018-11-23 08:31:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure enable_net_traffic [2018-11-23 08:31:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_net_traffic [2018-11-23 08:31:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_set_mac_address [2018-11-23 08:31:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_set_mac_address [2018-11-23 08:31:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 08:31:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2018-11-23 08:31:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2018-11-23 08:31:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 08:31:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 08:31:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 08:31:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2018-11-23 08:31:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:31:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 08:31:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 08:31:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 08:31:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 08:31:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_get_drvinfo [2018-11-23 08:31:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_get_drvinfo [2018-11-23 08:31:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2018-11-23 08:31:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_start_xmit [2018-11-23 08:31:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_start_xmit [2018-11-23 08:31:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-11-23 08:31:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 08:31:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2018-11-23 08:31:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 08:31:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-23 08:31:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure disable_net_traffic [2018-11-23 08:31:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_net_traffic [2018-11-23 08:31:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_set_multicast [2018-11-23 08:31:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_set_multicast [2018-11-23 08:31:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2018-11-23 08:31:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 08:31:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 08:31:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2018-11-23 08:31:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_open [2018-11-23 08:31:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_open [2018-11-23 08:31:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-11-23 08:31:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-11-23 08:31:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2018-11-23 08:31:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-11-23 08:31:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-11-23 08:31:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-11-23 08:31:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-11-23 08:31:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urbs [2018-11-23 08:31:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urbs [2018-11-23 08:31:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 08:31:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 08:31:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2018-11-23 08:31:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-11-23 08:31:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 08:31:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 08:31:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 08:31:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 08:31:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 08:31:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2018-11-23 08:31:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2018-11-23 08:31:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_tx_timeout [2018-11-23 08:31:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_tx_timeout [2018-11-23 08:31:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:31:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 08:31:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-23 08:31:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-23 08:31:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-11-23 08:31:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-11-23 08:31:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2018-11-23 08:31:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure intr_callback [2018-11-23 08:31:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_callback [2018-11-23 08:31:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_ioctl [2018-11-23 08:31:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_ioctl [2018-11-23 08:31:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 08:31:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 08:31:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2018-11-23 08:31:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2018-11-23 08:31:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2018-11-23 08:31:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_probe [2018-11-23 08:31:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_probe [2018-11-23 08:31:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure set_ethernet_addr [2018-11-23 08:31:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ethernet_addr [2018-11-23 08:31:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-23 08:31:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-23 08:31:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-23 08:31:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-23 08:31:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-11-23 08:31:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-11-23 08:31:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-11-23 08:31:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 08:31:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_reset [2018-11-23 08:31:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_reset [2018-11-23 08:31:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 08:31:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 08:31:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 08:31:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 08:31:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_3 [2018-11-23 08:31:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_3 [2018-11-23 08:31:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2018-11-23 08:31:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 08:31:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 08:31:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_driver_init [2018-11-23 08:31:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_driver_init [2018-11-23 08:31:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2018-11-23 08:31:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2018-11-23 08:31:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_disconnect [2018-11-23 08:31:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_disconnect [2018-11-23 08:31:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_driver_exit [2018-11-23 08:31:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_driver_exit [2018-11-23 08:31:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 08:31:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 08:31:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2018-11-23 08:31:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2018-11-23 08:31:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2018-11-23 08:31:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2018-11-23 08:31:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_resume [2018-11-23 08:31:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_resume [2018-11-23 08:31:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:31:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:31:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 08:31:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-23 08:31:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-23 08:31:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-11-23 08:31:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-11-23 08:31:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2018-11-23 08:31:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2018-11-23 08:31:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-23 08:31:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-23 08:31:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2018-11-23 08:31:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-23 08:31:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-23 08:31:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 08:31:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-23 08:31:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 08:31:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 08:31:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2018-11-23 08:31:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2018-11-23 08:31:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 08:31:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 08:31:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_19 [2018-11-23 08:31:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_19 [2018-11-23 08:31:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_suspend [2018-11-23 08:31:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_suspend [2018-11-23 08:31:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 08:31:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2018-11-23 08:31:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2018-11-23 08:31:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-11-23 08:31:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-11-23 08:31:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2018-11-23 08:31:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2018-11-23 08:31:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 08:31:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 08:31:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-11-23 08:31:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:31:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:31:59,253 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:31:59,253 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-23 08:31:59,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:59 BoogieIcfgContainer [2018-11-23 08:31:59,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:31:59,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:31:59,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:31:59,256 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:31:59,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:45" (1/3) ... [2018-11-23 08:31:59,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dda919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:59, skipping insertion in model container [2018-11-23 08:31:59,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:46" (2/3) ... [2018-11-23 08:31:59,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dda919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:59, skipping insertion in model container [2018-11-23 08:31:59,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:59" (3/3) ... [2018-11-23 08:31:59,258 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 08:31:59,266 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:31:59,272 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:31:59,283 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:31:59,306 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:31:59,307 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:31:59,307 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:31:59,307 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:31:59,307 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:31:59,307 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:31:59,307 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:31:59,307 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:31:59,307 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:31:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states. [2018-11-23 08:31:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 08:31:59,338 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:59,339 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:31:59,340 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:59,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:59,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1683459976, now seen corresponding path program 1 times [2018-11-23 08:31:59,347 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:31:59,348 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/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 08:31:59,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:59,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:31:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 08:31:59,745 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:31:59,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:59,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:31:59,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:31:59,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:31:59,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:31:59,768 INFO L87 Difference]: Start difference. First operand 886 states. Second operand 3 states. [2018-11-23 08:32:00,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:00,606 INFO L93 Difference]: Finished difference Result 2498 states and 3369 transitions. [2018-11-23 08:32:00,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:32:00,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2018-11-23 08:32:00,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:00,627 INFO L225 Difference]: With dead ends: 2498 [2018-11-23 08:32:00,628 INFO L226 Difference]: Without dead ends: 1588 [2018-11-23 08:32:00,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 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 08:32:00,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2018-11-23 08:32:00,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1588. [2018-11-23 08:32:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1588 states. [2018-11-23 08:32:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2090 transitions. [2018-11-23 08:32:00,793 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2090 transitions. Word has length 79 [2018-11-23 08:32:00,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:00,793 INFO L480 AbstractCegarLoop]: Abstraction has 1588 states and 2090 transitions. [2018-11-23 08:32:00,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:32:00,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2090 transitions. [2018-11-23 08:32:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 08:32:00,799 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:00,799 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:00,800 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:00,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:00,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1366689107, now seen corresponding path program 1 times [2018-11-23 08:32:00,801 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:00,801 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/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 08:32:00,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:01,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 08:32:01,231 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:01,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:01,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:32:01,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:32:01,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:32:01,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:32:01,235 INFO L87 Difference]: Start difference. First operand 1588 states and 2090 transitions. Second operand 6 states. [2018-11-23 08:32:03,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:03,282 INFO L93 Difference]: Finished difference Result 4699 states and 6226 transitions. [2018-11-23 08:32:03,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:32:03,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-11-23 08:32:03,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:03,298 INFO L225 Difference]: With dead ends: 4699 [2018-11-23 08:32:03,298 INFO L226 Difference]: Without dead ends: 3126 [2018-11-23 08:32:03,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:32:03,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3126 states. [2018-11-23 08:32:03,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3126 to 3118. [2018-11-23 08:32:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3118 states. [2018-11-23 08:32:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 4133 transitions. [2018-11-23 08:32:03,401 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 4133 transitions. Word has length 95 [2018-11-23 08:32:03,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:03,401 INFO L480 AbstractCegarLoop]: Abstraction has 3118 states and 4133 transitions. [2018-11-23 08:32:03,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:32:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 4133 transitions. [2018-11-23 08:32:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 08:32:03,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:03,411 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2018-11-23 08:32:03,411 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:03,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:03,411 INFO L82 PathProgramCache]: Analyzing trace with hash 98277961, now seen corresponding path program 1 times [2018-11-23 08:32:03,412 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:03,412 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/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 08:32:03,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:03,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 08:32:03,857 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (4)] Exception during sending of exit command (exit): Broken pipe [2018-11-23 08:32:03,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:03,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:32:03,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:32:03,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:32:03,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:32:03,862 INFO L87 Difference]: Start difference. First operand 3118 states and 4133 transitions. Second operand 3 states. [2018-11-23 08:32:04,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:04,194 INFO L93 Difference]: Finished difference Result 7980 states and 10593 transitions. [2018-11-23 08:32:04,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:32:04,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2018-11-23 08:32:04,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:04,208 INFO L225 Difference]: With dead ends: 7980 [2018-11-23 08:32:04,208 INFO L226 Difference]: Without dead ends: 4893 [2018-11-23 08:32:04,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 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 08:32:04,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4893 states. [2018-11-23 08:32:04,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4893 to 4869. [2018-11-23 08:32:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4869 states. [2018-11-23 08:32:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4869 states to 4869 states and 6465 transitions. [2018-11-23 08:32:04,368 INFO L78 Accepts]: Start accepts. Automaton has 4869 states and 6465 transitions. Word has length 173 [2018-11-23 08:32:04,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:04,368 INFO L480 AbstractCegarLoop]: Abstraction has 4869 states and 6465 transitions. [2018-11-23 08:32:04,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:32:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 4869 states and 6465 transitions. [2018-11-23 08:32:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 08:32:04,376 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:04,376 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:04,376 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:04,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:04,376 INFO L82 PathProgramCache]: Analyzing trace with hash -512584318, now seen corresponding path program 1 times [2018-11-23 08:32:04,377 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:04,377 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 5 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:04,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:04,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-23 08:32:04,727 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:04,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:04,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:32:04,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:32:04,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:32:04,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:32:04,730 INFO L87 Difference]: Start difference. First operand 4869 states and 6465 transitions. Second operand 3 states. [2018-11-23 08:32:04,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:04,807 INFO L93 Difference]: Finished difference Result 7305 states and 9723 transitions. [2018-11-23 08:32:04,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:32:04,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-11-23 08:32:04,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:04,820 INFO L225 Difference]: With dead ends: 7305 [2018-11-23 08:32:04,820 INFO L226 Difference]: Without dead ends: 4877 [2018-11-23 08:32:04,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 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 08:32:04,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2018-11-23 08:32:04,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2018-11-23 08:32:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4877 states. [2018-11-23 08:32:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 6473 transitions. [2018-11-23 08:32:04,928 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 6473 transitions. Word has length 197 [2018-11-23 08:32:04,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:04,929 INFO L480 AbstractCegarLoop]: Abstraction has 4877 states and 6473 transitions. [2018-11-23 08:32:04,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:32:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 6473 transitions. [2018-11-23 08:32:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 08:32:04,936 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:04,936 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:04,936 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:04,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:04,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1310068099, now seen corresponding path program 1 times [2018-11-23 08:32:04,937 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:04,937 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 6 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 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:04,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:05,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 08:32:05,304 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:05,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:05,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:32:05,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:32:05,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:32:05,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:32:05,308 INFO L87 Difference]: Start difference. First operand 4877 states and 6473 transitions. Second operand 3 states. [2018-11-23 08:32:06,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:06,317 INFO L93 Difference]: Finished difference Result 11672 states and 15505 transitions. [2018-11-23 08:32:06,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:32:06,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2018-11-23 08:32:06,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:06,335 INFO L225 Difference]: With dead ends: 11672 [2018-11-23 08:32:06,335 INFO L226 Difference]: Without dead ends: 6835 [2018-11-23 08:32:06,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 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 08:32:06,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6835 states. [2018-11-23 08:32:06,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6835 to 6811. [2018-11-23 08:32:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6811 states. [2018-11-23 08:32:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6811 states to 6811 states and 9022 transitions. [2018-11-23 08:32:06,494 INFO L78 Accepts]: Start accepts. Automaton has 6811 states and 9022 transitions. Word has length 199 [2018-11-23 08:32:06,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:06,495 INFO L480 AbstractCegarLoop]: Abstraction has 6811 states and 9022 transitions. [2018-11-23 08:32:06,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:32:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6811 states and 9022 transitions. [2018-11-23 08:32:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 08:32:06,503 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:06,503 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:06,503 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:06,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:06,504 INFO L82 PathProgramCache]: Analyzing trace with hash 925020380, now seen corresponding path program 1 times [2018-11-23 08:32:06,504 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:06,504 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:06,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:06,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-23 08:32:06,895 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:06,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:06,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:32:06,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:32:06,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:32:06,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:32:06,898 INFO L87 Difference]: Start difference. First operand 6811 states and 9022 transitions. Second operand 5 states. [2018-11-23 08:32:07,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:07,995 INFO L93 Difference]: Finished difference Result 16097 states and 21260 transitions. [2018-11-23 08:32:07,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:32:07,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2018-11-23 08:32:07,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:08,026 INFO L225 Difference]: With dead ends: 16097 [2018-11-23 08:32:08,026 INFO L226 Difference]: Without dead ends: 9326 [2018-11-23 08:32:08,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:32:08,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9326 states. [2018-11-23 08:32:08,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9326 to 6827. [2018-11-23 08:32:08,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6827 states. [2018-11-23 08:32:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6827 states to 6827 states and 9038 transitions. [2018-11-23 08:32:08,351 INFO L78 Accepts]: Start accepts. Automaton has 6827 states and 9038 transitions. Word has length 216 [2018-11-23 08:32:08,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:08,352 INFO L480 AbstractCegarLoop]: Abstraction has 6827 states and 9038 transitions. [2018-11-23 08:32:08,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:32:08,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6827 states and 9038 transitions. [2018-11-23 08:32:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-11-23 08:32:08,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:08,365 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:08,365 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:08,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:08,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1044227476, now seen corresponding path program 1 times [2018-11-23 08:32:08,366 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:08,367 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:08,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:08,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-23 08:32:08,822 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:08,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:08,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:32:08,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:32:08,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:32:08,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:32:08,827 INFO L87 Difference]: Start difference. First operand 6827 states and 9038 transitions. Second operand 5 states. [2018-11-23 08:32:09,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:09,823 INFO L93 Difference]: Finished difference Result 16141 states and 21308 transitions. [2018-11-23 08:32:09,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:32:09,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 256 [2018-11-23 08:32:09,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:09,844 INFO L225 Difference]: With dead ends: 16141 [2018-11-23 08:32:09,844 INFO L226 Difference]: Without dead ends: 9354 [2018-11-23 08:32:09,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:32:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9354 states. [2018-11-23 08:32:10,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9354 to 6831. [2018-11-23 08:32:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6831 states. [2018-11-23 08:32:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6831 states to 6831 states and 9044 transitions. [2018-11-23 08:32:10,107 INFO L78 Accepts]: Start accepts. Automaton has 6831 states and 9044 transitions. Word has length 256 [2018-11-23 08:32:10,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:10,108 INFO L480 AbstractCegarLoop]: Abstraction has 6831 states and 9044 transitions. [2018-11-23 08:32:10,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:32:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 6831 states and 9044 transitions. [2018-11-23 08:32:10,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-23 08:32:10,122 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:10,122 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:10,122 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:10,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:10,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1783361542, now seen corresponding path program 1 times [2018-11-23 08:32:10,123 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:10,123 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:10,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:10,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-23 08:32:10,607 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:10,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:10,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:32:10,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:32:10,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:32:10,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:32:10,612 INFO L87 Difference]: Start difference. First operand 6831 states and 9044 transitions. Second operand 5 states. [2018-11-23 08:32:10,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:10,762 INFO L93 Difference]: Finished difference Result 13658 states and 18097 transitions. [2018-11-23 08:32:10,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:32:10,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2018-11-23 08:32:10,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:10,778 INFO L225 Difference]: With dead ends: 13658 [2018-11-23 08:32:10,778 INFO L226 Difference]: Without dead ends: 6867 [2018-11-23 08:32:10,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:32:10,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6867 states. [2018-11-23 08:32:10,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6867 to 6853. [2018-11-23 08:32:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6853 states. [2018-11-23 08:32:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6853 states to 6853 states and 9068 transitions. [2018-11-23 08:32:10,931 INFO L78 Accepts]: Start accepts. Automaton has 6853 states and 9068 transitions. Word has length 279 [2018-11-23 08:32:10,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:10,931 INFO L480 AbstractCegarLoop]: Abstraction has 6853 states and 9068 transitions. [2018-11-23 08:32:10,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:32:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 6853 states and 9068 transitions. [2018-11-23 08:32:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-23 08:32:10,940 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:10,940 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:10,940 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:10,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:10,941 INFO L82 PathProgramCache]: Analyzing trace with hash -859916703, now seen corresponding path program 1 times [2018-11-23 08:32:10,941 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:10,942 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 10 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 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:10,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:11,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 96 proven. 7 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 08:32:11,464 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:32:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-23 08:32:11,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:32:11,703 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:32:11,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:12,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 96 proven. 7 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 08:32:12,064 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:32:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-23 08:32:12,229 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-23 08:32:12,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4] total 6 [2018-11-23 08:32:12,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:32:12,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:32:12,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:32:12,230 INFO L87 Difference]: Start difference. First operand 6853 states and 9068 transitions. Second operand 6 states. [2018-11-23 08:32:17,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:17,530 INFO L93 Difference]: Finished difference Result 40897 states and 54151 transitions. [2018-11-23 08:32:17,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:32:17,530 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 281 [2018-11-23 08:32:17,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:17,596 INFO L225 Difference]: With dead ends: 40897 [2018-11-23 08:32:17,597 INFO L226 Difference]: Without dead ends: 40878 [2018-11-23 08:32:17,604 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1124 GetRequests, 1119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:32:17,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40878 states. [2018-11-23 08:32:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40878 to 40807. [2018-11-23 08:32:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40807 states. [2018-11-23 08:32:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40807 states to 40807 states and 54058 transitions. [2018-11-23 08:32:18,648 INFO L78 Accepts]: Start accepts. Automaton has 40807 states and 54058 transitions. Word has length 281 [2018-11-23 08:32:18,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:18,648 INFO L480 AbstractCegarLoop]: Abstraction has 40807 states and 54058 transitions. [2018-11-23 08:32:18,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:32:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 40807 states and 54058 transitions. [2018-11-23 08:32:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-23 08:32:18,685 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:18,685 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:18,686 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:18,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:18,686 INFO L82 PathProgramCache]: Analyzing trace with hash -719368093, now seen corresponding path program 1 times [2018-11-23 08:32:18,687 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:18,687 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 12 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 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:18,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:19,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-23 08:32:19,132 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:19,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:19,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:32:19,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:32:19,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:32:19,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:32:19,135 INFO L87 Difference]: Start difference. First operand 40807 states and 54058 transitions. Second operand 5 states. [2018-11-23 08:32:20,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:20,649 INFO L93 Difference]: Finished difference Result 96629 states and 127614 transitions. [2018-11-23 08:32:20,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:32:20,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2018-11-23 08:32:20,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:20,753 INFO L225 Difference]: With dead ends: 96629 [2018-11-23 08:32:20,753 INFO L226 Difference]: Without dead ends: 55862 [2018-11-23 08:32:20,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:32:20,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55862 states. [2018-11-23 08:32:21,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55862 to 40791. [2018-11-23 08:32:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40791 states. [2018-11-23 08:32:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40791 states to 40791 states and 54018 transitions. [2018-11-23 08:32:22,032 INFO L78 Accepts]: Start accepts. Automaton has 40791 states and 54018 transitions. Word has length 281 [2018-11-23 08:32:22,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:22,033 INFO L480 AbstractCegarLoop]: Abstraction has 40791 states and 54018 transitions. [2018-11-23 08:32:22,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:32:22,033 INFO L276 IsEmpty]: Start isEmpty. Operand 40791 states and 54018 transitions. [2018-11-23 08:32:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 08:32:22,071 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:22,071 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:22,071 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:22,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:22,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1634264405, now seen corresponding path program 1 times [2018-11-23 08:32:22,073 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:22,073 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 13 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 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:22,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:22,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 08:32:22,454 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:22,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:22,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:32:22,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:32:22,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:32:22,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:32:22,457 INFO L87 Difference]: Start difference. First operand 40791 states and 54018 transitions. Second operand 3 states. [2018-11-23 08:32:23,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:23,928 INFO L93 Difference]: Finished difference Result 64079 states and 84843 transitions. [2018-11-23 08:32:23,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:32:23,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 287 [2018-11-23 08:32:23,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:23,975 INFO L225 Difference]: With dead ends: 64079 [2018-11-23 08:32:23,976 INFO L226 Difference]: Without dead ends: 23322 [2018-11-23 08:32:24,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 285 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 08:32:24,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23322 states. [2018-11-23 08:32:24,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23322 to 23306. [2018-11-23 08:32:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23306 states. [2018-11-23 08:32:24,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23306 states to 23306 states and 30839 transitions. [2018-11-23 08:32:24,573 INFO L78 Accepts]: Start accepts. Automaton has 23306 states and 30839 transitions. Word has length 287 [2018-11-23 08:32:24,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:24,573 INFO L480 AbstractCegarLoop]: Abstraction has 23306 states and 30839 transitions. [2018-11-23 08:32:24,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:32:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 23306 states and 30839 transitions. [2018-11-23 08:32:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-23 08:32:24,588 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:24,588 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:24,588 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:24,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:24,588 INFO L82 PathProgramCache]: Analyzing trace with hash 599620036, now seen corresponding path program 1 times [2018-11-23 08:32:24,589 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:24,589 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 14 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 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:24,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:25,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:25,914 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-23 08:32:25,914 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:25,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:25,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:32:25,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:32:25,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:32:25,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:32:25,920 INFO L87 Difference]: Start difference. First operand 23306 states and 30839 transitions. Second operand 4 states. [2018-11-23 08:32:26,099 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-23 08:32:26,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:26,558 INFO L93 Difference]: Finished difference Result 46576 states and 61636 transitions. [2018-11-23 08:32:26,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:32:26,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 297 [2018-11-23 08:32:26,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:26,596 INFO L225 Difference]: With dead ends: 46576 [2018-11-23 08:32:26,596 INFO L226 Difference]: Without dead ends: 23307 [2018-11-23 08:32:26,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:32:26,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23307 states. [2018-11-23 08:32:27,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23307 to 23307. [2018-11-23 08:32:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23307 states. [2018-11-23 08:32:27,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23307 states to 23307 states and 30840 transitions. [2018-11-23 08:32:27,178 INFO L78 Accepts]: Start accepts. Automaton has 23307 states and 30840 transitions. Word has length 297 [2018-11-23 08:32:27,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:27,178 INFO L480 AbstractCegarLoop]: Abstraction has 23307 states and 30840 transitions. [2018-11-23 08:32:27,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:32:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 23307 states and 30840 transitions. [2018-11-23 08:32:27,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-23 08:32:27,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:27,190 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:27,191 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:27,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:27,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1499503395, now seen corresponding path program 1 times [2018-11-23 08:32:27,192 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:27,192 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 15 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 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:27,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:28,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 72 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-23 08:32:28,517 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:32:28,686 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-23 08:32:28,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:32:28,691 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:32:28,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:29,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-11-23 08:32:29,072 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:29,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:32:29,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2018-11-23 08:32:29,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:32:29,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:32:29,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:32:29,092 INFO L87 Difference]: Start difference. First operand 23307 states and 30840 transitions. Second operand 9 states. [2018-11-23 08:32:29,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:29,792 INFO L93 Difference]: Finished difference Result 46557 states and 61655 transitions. [2018-11-23 08:32:29,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:32:29,793 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 298 [2018-11-23 08:32:29,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:29,825 INFO L225 Difference]: With dead ends: 46557 [2018-11-23 08:32:29,825 INFO L226 Difference]: Without dead ends: 23286 [2018-11-23 08:32:29,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 884 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:32:29,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23286 states. [2018-11-23 08:32:30,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23286 to 23286. [2018-11-23 08:32:30,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23286 states. [2018-11-23 08:32:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23286 states to 23286 states and 30795 transitions. [2018-11-23 08:32:30,381 INFO L78 Accepts]: Start accepts. Automaton has 23286 states and 30795 transitions. Word has length 298 [2018-11-23 08:32:30,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:30,382 INFO L480 AbstractCegarLoop]: Abstraction has 23286 states and 30795 transitions. [2018-11-23 08:32:30,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:32:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand 23286 states and 30795 transitions. [2018-11-23 08:32:30,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-23 08:32:30,393 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:30,393 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:30,393 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:30,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:30,393 INFO L82 PathProgramCache]: Analyzing trace with hash -3212288, now seen corresponding path program 1 times [2018-11-23 08:32:30,394 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:30,394 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 17 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 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:30,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:31,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 08:32:31,755 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:31,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:31,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:32:31,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:32:31,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:32:31,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:32:31,760 INFO L87 Difference]: Start difference. First operand 23286 states and 30795 transitions. Second operand 3 states. [2018-11-23 08:32:32,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:32,317 INFO L93 Difference]: Finished difference Result 44044 states and 58305 transitions. [2018-11-23 08:32:32,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:32:32,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2018-11-23 08:32:32,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:32,347 INFO L225 Difference]: With dead ends: 44044 [2018-11-23 08:32:32,347 INFO L226 Difference]: Without dead ends: 23418 [2018-11-23 08:32:32,363 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 299 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 08:32:32,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23418 states. [2018-11-23 08:32:32,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23418 to 23298. [2018-11-23 08:32:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23298 states. [2018-11-23 08:32:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23298 states to 23298 states and 30807 transitions. [2018-11-23 08:32:32,878 INFO L78 Accepts]: Start accepts. Automaton has 23298 states and 30807 transitions. Word has length 301 [2018-11-23 08:32:32,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:32,878 INFO L480 AbstractCegarLoop]: Abstraction has 23298 states and 30807 transitions. [2018-11-23 08:32:32,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:32:32,878 INFO L276 IsEmpty]: Start isEmpty. Operand 23298 states and 30807 transitions. [2018-11-23 08:32:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-11-23 08:32:32,891 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:32,892 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:32,892 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:32,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:32,892 INFO L82 PathProgramCache]: Analyzing trace with hash -425258841, now seen corresponding path program 1 times [2018-11-23 08:32:32,893 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:32:32,893 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 18 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 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:32:32,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:34,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 08:32:34,242 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:32:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-23 08:32:34,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:32:34,414 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:32:34,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:34,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:34,797 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2018-11-23 08:32:34,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 08:32:34,800 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 08:32:34,802 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 08:32:34,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 08:32:34,804 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2018-11-23 08:32:34,933 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-23 08:32:34,935 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-11-23 08:32:34,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 08:32:34,936 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 08:32:34,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 08:32:34,937 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-11-23 08:32:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-23 08:32:34,989 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:32:35,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:32:35,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 9 [2018-11-23 08:32:35,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:32:35,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:32:35,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:32:35,010 INFO L87 Difference]: Start difference. First operand 23298 states and 30807 transitions. Second operand 9 states. [2018-11-23 08:33:13,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:13,819 INFO L93 Difference]: Finished difference Result 52638 states and 70147 transitions. [2018-11-23 08:33:13,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 08:33:13,819 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 305 [2018-11-23 08:33:13,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:13,875 INFO L225 Difference]: With dead ends: 52638 [2018-11-23 08:33:13,875 INFO L226 Difference]: Without dead ends: 29384 [2018-11-23 08:33:13,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 919 GetRequests, 902 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2018-11-23 08:33:13,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29384 states. [2018-11-23 08:33:14,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29384 to 28734. [2018-11-23 08:33:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28734 states. [2018-11-23 08:33:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28734 states to 28734 states and 38172 transitions. [2018-11-23 08:33:14,820 INFO L78 Accepts]: Start accepts. Automaton has 28734 states and 38172 transitions. Word has length 305 [2018-11-23 08:33:14,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:14,821 INFO L480 AbstractCegarLoop]: Abstraction has 28734 states and 38172 transitions. [2018-11-23 08:33:14,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:33:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 28734 states and 38172 transitions. [2018-11-23 08:33:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-11-23 08:33:14,836 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:14,836 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:33:14,837 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:14,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:14,837 INFO L82 PathProgramCache]: Analyzing trace with hash 413984365, now seen corresponding path program 1 times [2018-11-23 08:33:14,838 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:33:14,838 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 20 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 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:33:14,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:15,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-23 08:33:15,273 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:33:15,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:33:15,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:33:15,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:33:15,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:33:15,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:33:15,276 INFO L87 Difference]: Start difference. First operand 28734 states and 38172 transitions. Second operand 3 states. [2018-11-23 08:33:16,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:16,779 INFO L93 Difference]: Finished difference Result 54177 states and 72062 transitions. [2018-11-23 08:33:16,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:33:16,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2018-11-23 08:33:16,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:16,822 INFO L225 Difference]: With dead ends: 54177 [2018-11-23 08:33:16,823 INFO L226 Difference]: Without dead ends: 25487 [2018-11-23 08:33:16,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 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 08:33:16,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25487 states. [2018-11-23 08:33:17,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25487 to 25487. [2018-11-23 08:33:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25487 states. [2018-11-23 08:33:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25487 states to 25487 states and 33839 transitions. [2018-11-23 08:33:17,748 INFO L78 Accepts]: Start accepts. Automaton has 25487 states and 33839 transitions. Word has length 306 [2018-11-23 08:33:17,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:17,748 INFO L480 AbstractCegarLoop]: Abstraction has 25487 states and 33839 transitions. [2018-11-23 08:33:17,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:33:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 25487 states and 33839 transitions. [2018-11-23 08:33:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-11-23 08:33:17,763 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:17,764 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:33:17,764 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:17,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:17,764 INFO L82 PathProgramCache]: Analyzing trace with hash -713995402, now seen corresponding path program 1 times [2018-11-23 08:33:17,765 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:33:17,765 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 21 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 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:33:17,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:18,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-11-23 08:33:18,252 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:33:18,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:33:18,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:33:18,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:33:18,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:33:18,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:33:18,256 INFO L87 Difference]: Start difference. First operand 25487 states and 33839 transitions. Second operand 4 states. [2018-11-23 08:33:19,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:19,012 INFO L93 Difference]: Finished difference Result 51182 states and 68215 transitions. [2018-11-23 08:33:19,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:33:19,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 413 [2018-11-23 08:33:19,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:19,055 INFO L225 Difference]: With dead ends: 51182 [2018-11-23 08:33:19,055 INFO L226 Difference]: Without dead ends: 25739 [2018-11-23 08:33:19,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:33:19,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25739 states. [2018-11-23 08:33:19,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25739 to 25631. [2018-11-23 08:33:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25631 states. [2018-11-23 08:33:19,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25631 states to 25631 states and 34019 transitions. [2018-11-23 08:33:19,958 INFO L78 Accepts]: Start accepts. Automaton has 25631 states and 34019 transitions. Word has length 413 [2018-11-23 08:33:19,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:19,959 INFO L480 AbstractCegarLoop]: Abstraction has 25631 states and 34019 transitions. [2018-11-23 08:33:19,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:33:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 25631 states and 34019 transitions. [2018-11-23 08:33:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-11-23 08:33:19,978 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:19,978 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:33:19,979 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:19,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:19,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1340620547, now seen corresponding path program 1 times [2018-11-23 08:33:19,980 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:33:19,980 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 22 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 22 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:33:20,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:20,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-11-23 08:33:20,472 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:33:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-11-23 08:33:20,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:33:20,692 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:33:20,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:21,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-23 08:33:21,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:33:21,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:33:21,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2018-11-23 08:33:21,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 08:33:21,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 08:33:21,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:33:21,272 INFO L87 Difference]: Start difference. First operand 25631 states and 34019 transitions. Second operand 11 states. [2018-11-23 08:33:22,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:22,132 INFO L93 Difference]: Finished difference Result 51766 states and 69278 transitions. [2018-11-23 08:33:22,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 08:33:22,132 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 329 [2018-11-23 08:33:22,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:22,175 INFO L225 Difference]: With dead ends: 51766 [2018-11-23 08:33:22,176 INFO L226 Difference]: Without dead ends: 26179 [2018-11-23 08:33:22,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 988 GetRequests, 976 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-23 08:33:22,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26179 states. [2018-11-23 08:33:23,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26179 to 26153. [2018-11-23 08:33:23,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26153 states. [2018-11-23 08:33:23,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26153 states to 26153 states and 34655 transitions. [2018-11-23 08:33:23,041 INFO L78 Accepts]: Start accepts. Automaton has 26153 states and 34655 transitions. Word has length 329 [2018-11-23 08:33:23,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:23,041 INFO L480 AbstractCegarLoop]: Abstraction has 26153 states and 34655 transitions. [2018-11-23 08:33:23,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 08:33:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 26153 states and 34655 transitions. [2018-11-23 08:33:23,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-11-23 08:33:23,057 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:23,058 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:33:23,058 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:23,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:23,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1947621335, now seen corresponding path program 1 times [2018-11-23 08:33:23,059 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:33:23,059 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 24 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 24 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:33:23,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:23,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 122 proven. 60 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2018-11-23 08:33:23,642 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:33:23,954 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 7 proven. 60 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-11-23 08:33:23,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:33:23,957 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:33:23,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:24,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:24,421 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2018-11-23 08:33:24,421 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:33:24,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:33:24,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 9] total 17 [2018-11-23 08:33:24,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 08:33:24,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 08:33:24,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2018-11-23 08:33:24,445 INFO L87 Difference]: Start difference. First operand 26153 states and 34655 transitions. Second operand 17 states. [2018-11-23 08:33:25,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:25,569 INFO L93 Difference]: Finished difference Result 53558 states and 71503 transitions. [2018-11-23 08:33:25,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 08:33:25,570 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 386 [2018-11-23 08:33:25,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:25,617 INFO L225 Difference]: With dead ends: 53558 [2018-11-23 08:33:25,617 INFO L226 Difference]: Without dead ends: 27449 [2018-11-23 08:33:25,647 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1163 GetRequests, 1141 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=360, Unknown=0, NotChecked=0, Total=552 [2018-11-23 08:33:25,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27449 states. [2018-11-23 08:33:26,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27449 to 27329. [2018-11-23 08:33:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27329 states. [2018-11-23 08:33:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27329 states to 27329 states and 36119 transitions. [2018-11-23 08:33:26,518 INFO L78 Accepts]: Start accepts. Automaton has 27329 states and 36119 transitions. Word has length 386 [2018-11-23 08:33:26,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:26,518 INFO L480 AbstractCegarLoop]: Abstraction has 27329 states and 36119 transitions. [2018-11-23 08:33:26,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 08:33:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 27329 states and 36119 transitions. [2018-11-23 08:33:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2018-11-23 08:33:26,536 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:26,536 INFO L402 BasicCegarLoop]: trace histogram [31, 31, 29, 29, 29, 29, 29, 28, 28, 28, 28, 26, 10, 10, 9, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:33:26,536 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:26,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:26,537 INFO L82 PathProgramCache]: Analyzing trace with hash 68068829, now seen corresponding path program 1 times [2018-11-23 08:33:26,538 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:33:26,538 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 26 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 26 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:33:26,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:27,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5220 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 5161 trivial. 0 not checked. [2018-11-23 08:33:27,410 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:33:27,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:33:27,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:33:27,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:33:27,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:33:27,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:33:27,414 INFO L87 Difference]: Start difference. First operand 27329 states and 36119 transitions. Second operand 3 states. [2018-11-23 08:33:29,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:29,573 INFO L93 Difference]: Finished difference Result 65389 states and 86655 transitions. [2018-11-23 08:33:29,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:33:29,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 717 [2018-11-23 08:33:29,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:29,638 INFO L225 Difference]: With dead ends: 65389 [2018-11-23 08:33:29,638 INFO L226 Difference]: Without dead ends: 38059 [2018-11-23 08:33:29,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 715 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 08:33:29,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38059 states. [2018-11-23 08:33:30,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38059 to 37818. [2018-11-23 08:33:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37818 states. [2018-11-23 08:33:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37818 states to 37818 states and 49303 transitions. [2018-11-23 08:33:30,984 INFO L78 Accepts]: Start accepts. Automaton has 37818 states and 49303 transitions. Word has length 717 [2018-11-23 08:33:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:30,985 INFO L480 AbstractCegarLoop]: Abstraction has 37818 states and 49303 transitions. [2018-11-23 08:33:30,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:33:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 37818 states and 49303 transitions. [2018-11-23 08:33:31,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2018-11-23 08:33:31,009 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:31,010 INFO L402 BasicCegarLoop]: trace histogram [31, 31, 29, 29, 29, 29, 29, 28, 28, 28, 28, 26, 10, 10, 9, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:33:31,010 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:31,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:31,010 INFO L82 PathProgramCache]: Analyzing trace with hash -236541361, now seen corresponding path program 2 times [2018-11-23 08:33:31,011 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:33:31,011 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 27 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 27 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:33:31,030 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 08:33:57,279 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 08:33:57,279 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 08:33:57,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:33:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5238 backedges. 2704 proven. 0 refuted. 0 times theorem prover too weak. 2534 trivial. 0 not checked. [2018-11-23 08:33:57,454 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:33:57,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:33:57,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:33:57,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:33:57,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:33:57,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:33:57,468 INFO L87 Difference]: Start difference. First operand 37818 states and 49303 transitions. Second operand 3 states. [2018-11-23 08:33:58,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:58,828 INFO L93 Difference]: Finished difference Result 71419 states and 92848 transitions. [2018-11-23 08:33:58,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:33:58,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 725 [2018-11-23 08:33:58,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:58,895 INFO L225 Difference]: With dead ends: 71419 [2018-11-23 08:33:58,896 INFO L226 Difference]: Without dead ends: 33497 [2018-11-23 08:33:58,941 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 723 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 08:33:58,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33497 states. [2018-11-23 08:34:00,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33497 to 32498. [2018-11-23 08:34:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32498 states. [2018-11-23 08:34:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32498 states to 32498 states and 42125 transitions. [2018-11-23 08:34:00,115 INFO L78 Accepts]: Start accepts. Automaton has 32498 states and 42125 transitions. Word has length 725 [2018-11-23 08:34:00,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:34:00,115 INFO L480 AbstractCegarLoop]: Abstraction has 32498 states and 42125 transitions. [2018-11-23 08:34:00,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:34:00,115 INFO L276 IsEmpty]: Start isEmpty. Operand 32498 states and 42125 transitions. [2018-11-23 08:34:00,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-11-23 08:34:00,120 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:34:00,120 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 14, 14, 14, 14, 13, 10, 10, 9, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:00,121 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:34:00,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:34:00,121 INFO L82 PathProgramCache]: Analyzing trace with hash -820895721, now seen corresponding path program 1 times [2018-11-23 08:34:00,122 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 08:34:00,122 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/cvc4nyu Starting monitored process 28 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 28 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 08:34:00,139 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 08:34:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:34:00,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:34:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 186 proven. 364 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2018-11-23 08:34:00,854 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:34:00,989 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2018-11-23 08:34:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 7 proven. 364 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-11-23 08:34:01,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:34:01,553 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:34:01,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:34:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:34:01,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:34:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 186 proven. 364 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2018-11-23 08:34:02,096 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:34:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2018-11-23 08:34:02,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:34:02,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [17, 17, 17] total 36 [2018-11-23 08:34:02,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-11-23 08:34:02,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-11-23 08:34:02,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=952, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 08:34:02,552 INFO L87 Difference]: Start difference. First operand 32498 states and 42125 transitions. Second operand 36 states. [2018-11-23 08:34:04,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:34:04,175 INFO L93 Difference]: Finished difference Result 32807 states and 42521 transitions. [2018-11-23 08:34:04,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-23 08:34:04,175 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 474 [2018-11-23 08:34:04,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:34:04,176 INFO L225 Difference]: With dead ends: 32807 [2018-11-23 08:34:04,177 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:34:04,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1909 GetRequests, 1857 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=774, Invalid=1776, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 08:34:04,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:34:04,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:34:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:34:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:34:04,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 474 [2018-11-23 08:34:04,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:34:04,214 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:34:04,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-11-23 08:34:04,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:34:04,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:34:04,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:34:06,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:34:06,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:34:07,174 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2018-11-23 08:34:08,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:34:10,881 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2018-11-23 08:34:11,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:34:12,961 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2018-11-23 08:34:13,154 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 1 [2018-11-23 08:34:13,460 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2018-11-23 08:34:13,575 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 1 [2018-11-23 08:34:13,976 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2018-11-23 08:34:14,737 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 1 [2018-11-23 08:34:15,186 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2018-11-23 08:34:16,047 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2018-11-23 08:34:16,669 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 42 [2018-11-23 08:34:16,881 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 1 [2018-11-23 08:34:17,729 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2018-11-23 08:34:18,176 WARN L180 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2018-11-23 08:34:18,633 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 42 [2018-11-23 08:34:18,776 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 1 [2018-11-23 08:34:19,029 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 1 [2018-11-23 08:34:19,501 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 1 [2018-11-23 08:34:19,864 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2018-11-23 08:34:20,192 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2018-11-23 08:34:20,426 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2018-11-23 08:34:20,601 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2018-11-23 08:34:20,950 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 1 [2018-11-23 08:34:21,053 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 1 [2018-11-23 08:34:21,320 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 1 [2018-11-23 08:34:21,339 INFO L448 ceAbstractionStarter]: For program point L6386(lines 6386 6390) no Hoare annotation was computed. [2018-11-23 08:34:21,339 INFO L448 ceAbstractionStarter]: For program point L6419(lines 6419 6423) no Hoare annotation was computed. [2018-11-23 08:34:21,339 INFO L448 ceAbstractionStarter]: For program point L6448-1(lines 6448 6449) no Hoare annotation was computed. [2018-11-23 08:34:21,339 INFO L448 ceAbstractionStarter]: For program point L6386-2(lines 6370 6464) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L451 ceAbstractionStarter]: At program point L6448(lines 6448 6449) the Hoare annotation is: true [2018-11-23 08:34:21,340 INFO L451 ceAbstractionStarter]: At program point L6378(line 6378) the Hoare annotation is: true [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point L6411(lines 6411 6415) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point L6378-1(line 6378) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point L6403(lines 6403 6407) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point L6399(line 6399) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point L6424(lines 6424 6428) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point L6379(lines 6379 6383) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L451 ceAbstractionStarter]: At program point read_bulk_callbackENTRY(lines 6353 6465) the Hoare annotation is: true [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point read_bulk_callbackEXIT(lines 6353 6465) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L451 ceAbstractionStarter]: At program point L6437-1(line 6437) the Hoare annotation is: true [2018-11-23 08:34:21,340 INFO L451 ceAbstractionStarter]: At program point L6437(line 6437) the Hoare annotation is: true [2018-11-23 08:34:21,340 INFO L451 ceAbstractionStarter]: At program point L6458(line 6458) the Hoare annotation is: true [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point L6396(lines 6396 6417) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point L6454(lines 6454 6459) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L448 ceAbstractionStarter]: For program point L6458-1(lines 6353 6465) no Hoare annotation was computed. [2018-11-23 08:34:21,340 INFO L451 ceAbstractionStarter]: At program point L6446(lines 6370 6464) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6438(line 6438) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6409(line 6409) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point L6434(line 6434) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6401(line 6401) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6434-1(line 6434) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6397(line 6397) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point L6455-1(lines 6370 6464) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point L6455(line 6455) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point L6418(lines 6370 6464) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6451(lines 6451 6459) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6447-1(line 6447) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point L6447(line 6447) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6385-1(line 6385) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point L6385(line 6385) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6439-1(lines 6370 6464) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point L6439(line 6439) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L6373(lines 6373 6377) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point dev_get_drvdataFINAL(lines 5533 5540) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point dev_get_drvdataENTRY(lines 5533 5540) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point dev_get_drvdataEXIT(lines 5533 5540) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L7721-1(line 7721) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point ldv_dev_alloc_skb_13EXIT(lines 7716 7724) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point L7721(line 7721) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L451 ceAbstractionStarter]: At program point ldv_dev_alloc_skb_13ENTRY(lines 7716 7724) the Hoare annotation is: true [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point ldv_dev_alloc_skb_13FINAL(lines 7716 7724) no Hoare annotation was computed. [2018-11-23 08:34:21,341 INFO L448 ceAbstractionStarter]: For program point L5874-1(line 5874) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point usb_get_intfdataEXIT(lines 5869 5877) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L451 ceAbstractionStarter]: At program point usb_get_intfdataENTRY(lines 5869 5877) the Hoare annotation is: true [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point usb_get_intfdataFINAL(lines 5869 5877) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L451 ceAbstractionStarter]: At program point L5874(line 5874) the Hoare annotation is: true [2018-11-23 08:34:21,342 INFO L444 ceAbstractionStarter]: At program point ldv_set_initENTRY(lines 7807 7816) the Hoare annotation is: (or (not (= (_ bv0 32) ~ldv_retval_3~0)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) ~ldv_state_variable_2~0)) (not (= ~ref_cnt~0 (_ bv0 32))) (not (= (_ bv0 32) ~ldv_state_variable_1~0)) (= ~last_index~0 (_ bv0 32))) [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point ldv_set_initEXIT(lines 7807 7816) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point ldv_set_initFINAL(lines 7807 7816) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point netif_tx_wake_queueEXIT(lines 5760 5773) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L451 ceAbstractionStarter]: At program point netif_tx_wake_queueENTRY(lines 5760 5773) the Hoare annotation is: true [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point L5766(lines 5766 5770) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L451 ceAbstractionStarter]: At program point L5765(line 5765) the Hoare annotation is: true [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point L5765-1(line 5765) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point L5766-2(lines 5760 5773) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point skb_reserveFINAL(lines 5560 5569) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L451 ceAbstractionStarter]: At program point skb_reserveENTRY(lines 5560 5569) the Hoare annotation is: true [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point skb_reserveEXIT(lines 5560 5569) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point rtl8150_tx_timeoutEXIT(lines 6815 6828) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L451 ceAbstractionStarter]: At program point rtl8150_tx_timeoutENTRY(lines 6815 6828) the Hoare annotation is: true [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point L6821-1(line 6821) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point rtl8150_tx_timeoutFINAL(lines 6815 6828) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L451 ceAbstractionStarter]: At program point L6821(line 6821) the Hoare annotation is: true [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5652 5660) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5652 5660) no Hoare annotation was computed. [2018-11-23 08:34:21,342 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5652 5660) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L444 ceAbstractionStarter]: At program point ldv_initializeENTRY(lines 7979 7987) the Hoare annotation is: (or (not (= (_ bv0 32) ~ldv_retval_3~0)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) ~ldv_state_variable_2~0)) (not (= ~ref_cnt~0 (_ bv0 32))) (not (= (_ bv0 32) ~ldv_state_variable_1~0)) (= ~last_index~0 (_ bv0 32))) [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point ldv_initializeFINAL(lines 7979 7987) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 7979 7987) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point netif_tx_start_queueENTRY(lines 5741 5749) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point netif_tx_start_queueEXIT(lines 5741 5749) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point netif_tx_start_queueFINAL(lines 5741 5749) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point L5746(line 5746) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point L6175(lines 6161 6188) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point L6174(lines 6174 6178) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point write_mii_wordENTRY(lines 6154 6189) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point L6171(lines 6171 6181) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point L6170(line 6170) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point write_mii_wordEXIT(lines 6154 6189) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point L6167(line 6167) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point L6168-1(line 6168) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point L6167-1(line 6167) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point L6168(line 6168) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point L6182(lines 6161 6188) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point write_mii_wordFINAL(lines 6154 6189) no Hoare annotation was computed. [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point L5855(line 5855) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L451 ceAbstractionStarter]: At program point netif_device_presentENTRY(lines 5850 5858) the Hoare annotation is: true [2018-11-23 08:34:21,343 INFO L448 ceAbstractionStarter]: For program point L5855-1(line 5855) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point netif_device_presentEXIT(lines 5850 5858) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point netif_device_presentFINAL(lines 5850 5858) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6526(lines 6526 6537) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L451 ceAbstractionStarter]: At program point intr_callbackENTRY(lines 6504 6619) the Hoare annotation is: true [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6527(line 6527) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6560(lines 6560 6605) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6552(lines 6552 6556) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point intr_callbackFINAL(lines 6504 6619) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6561-1(line 6561) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L451 ceAbstractionStarter]: At program point L6561(line 6561) the Hoare annotation is: true [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6611(lines 6611 6616) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6611-2(lines 6608 6616) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L451 ceAbstractionStarter]: At program point L6570(line 6570) the Hoare annotation is: true [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6570-1(line 6570) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6562(lines 6562 6579) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6595-1(line 6595) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L451 ceAbstractionStarter]: At program point L6595(line 6595) the Hoare annotation is: true [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6529-2(line 6529) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6529(line 6529) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L451 ceAbstractionStarter]: At program point L6587(lines 6518 6618) the Hoare annotation is: true [2018-11-23 08:34:21,344 INFO L448 ceAbstractionStarter]: For program point L6521(lines 6521 6525) no Hoare annotation was computed. [2018-11-23 08:34:21,344 INFO L451 ceAbstractionStarter]: At program point L6538(lines 6518 6618) the Hoare annotation is: true [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6571(lines 6571 6576) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6530(line 6530) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6596(lines 6596 6601) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6530-2(line 6530) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6547(lines 6547 6551) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6547-2(lines 6547 6551) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point intr_callbackEXIT(lines 6504 6619) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6531(line 6531) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6581-1(line 6581) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L451 ceAbstractionStarter]: At program point L6581(line 6581) the Hoare annotation is: true [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6540-1(lines 6540 6559) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6540(lines 6540 6559) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6582(lines 6582 6586) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6582-2(lines 6580 6605) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6533(line 6533) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6542(lines 6542 6546) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6608(lines 6608 6616) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L6542-2(lines 6542 6546) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point netif_wake_queueEXIT(lines 5774 5783) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L451 ceAbstractionStarter]: At program point L5779(line 5779) the Hoare annotation is: true [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L5779-1(line 5779) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L451 ceAbstractionStarter]: At program point netif_wake_queueENTRY(lines 5774 5783) the Hoare annotation is: true [2018-11-23 08:34:21,345 INFO L451 ceAbstractionStarter]: At program point L5780(line 5780) the Hoare annotation is: true [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point netif_wake_queueFINAL(lines 5774 5783) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L7067(lines 7067 7071) no Hoare annotation was computed. [2018-11-23 08:34:21,345 INFO L448 ceAbstractionStarter]: For program point L7063-1(line 7063) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L451 ceAbstractionStarter]: At program point L7063(line 7063) the Hoare annotation is: true [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point L7065(line 7065) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point L7067-2(lines 7059 7081) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point L7059(lines 7059 7081) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point L7055-1(line 7055) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L451 ceAbstractionStarter]: At program point L7055(line 7055) the Hoare annotation is: true [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point rtl8150_ioctlFINAL(lines 7045 7085) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L451 ceAbstractionStarter]: At program point L7082(lines 7054 7084) the Hoare annotation is: true [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point L7062(line 7062) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point L7060-2(line 7060) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point L7060(line 7060) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L451 ceAbstractionStarter]: At program point rtl8150_ioctlENTRY(lines 7045 7085) the Hoare annotation is: true [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point L7079(line 7079) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point rtl8150_ioctlEXIT(lines 7045 7085) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point L7077-1(line 7077) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L451 ceAbstractionStarter]: At program point L7077(line 7077) the Hoare annotation is: true [2018-11-23 08:34:21,346 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:34:21,346 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L451 ceAbstractionStarter]: At program point ldv_skb_freeENTRY(lines 7988 7996) the Hoare annotation is: true [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point ldv_skb_freeFINAL(lines 7988 7996) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L448 ceAbstractionStarter]: For program point ldv_skb_freeEXIT(lines 7988 7996) no Hoare annotation was computed. [2018-11-23 08:34:21,346 INFO L451 ceAbstractionStarter]: At program point L7993(line 7993) the Hoare annotation is: true [2018-11-23 08:34:21,347 INFO L444 ceAbstractionStarter]: At program point rtl8150_probeENTRY(lines 7092 7171) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (and (= ~last_index~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,347 INFO L444 ceAbstractionStarter]: At program point L7162(line 7162) the Hoare annotation is: (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2018-11-23 08:34:21,347 INFO L448 ceAbstractionStarter]: For program point L7125-1(line 7125) no Hoare annotation was computed. [2018-11-23 08:34:21,347 INFO L444 ceAbstractionStarter]: At program point L7125(line 7125) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (and (= ~last_index~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,347 INFO L448 ceAbstractionStarter]: For program point L7150(line 7150) no Hoare annotation was computed. [2018-11-23 08:34:21,347 INFO L448 ceAbstractionStarter]: For program point L7142(lines 7142 7147) no Hoare annotation was computed. [2018-11-23 08:34:21,347 INFO L448 ceAbstractionStarter]: For program point rtl8150_probeFINAL(lines 7092 7171) no Hoare annotation was computed. [2018-11-23 08:34:21,347 INFO L448 ceAbstractionStarter]: For program point L7109(lines 7109 7113) no Hoare annotation was computed. [2018-11-23 08:34:21,347 INFO L444 ceAbstractionStarter]: At program point L7134(line 7134) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (and (= ~last_index~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,347 INFO L444 ceAbstractionStarter]: At program point L7163(lines 7105 7170) the Hoare annotation is: (let ((.cse0 (= ~ref_cnt~0 (_ bv0 32))) (.cse1 (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not .cse0) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not .cse1)))) (and (= rtl8150_probe_~tmp___3~2 (_ bv0 32)) (let ((.cse2 (and (= ~last_index~0 (_ bv0 32)) .cse0 .cse1))) (or (and .cse2 (exists ((|v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1| (_ BitVec 32)) (|v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1| (_ BitVec 32))) (= ((_ sign_extend 24) (_ bv16 8)) (select (select |#memory_int| |v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1|) |v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1|)))) (and (= (bvadd ~ldv_state_variable_2~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2)))))) [2018-11-23 08:34:21,347 INFO L448 ceAbstractionStarter]: For program point L7134-1(line 7134) no Hoare annotation was computed. [2018-11-23 08:34:21,347 INFO L444 ceAbstractionStarter]: At program point L7155(lines 7105 7170) the Hoare annotation is: (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2018-11-23 08:34:21,347 INFO L448 ceAbstractionStarter]: For program point L7118(lines 7118 7123) no Hoare annotation was computed. [2018-11-23 08:34:21,347 INFO L444 ceAbstractionStarter]: At program point L7114(line 7114) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (and (= ~last_index~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,347 INFO L448 ceAbstractionStarter]: For program point L7114-1(line 7114) no Hoare annotation was computed. [2018-11-23 08:34:21,348 INFO L444 ceAbstractionStarter]: At program point L7106(line 7106) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (and (= ~last_index~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,348 INFO L448 ceAbstractionStarter]: For program point L7135(lines 7135 7140) no Hoare annotation was computed. [2018-11-23 08:34:21,348 INFO L448 ceAbstractionStarter]: For program point L7168-1(line 7168) no Hoare annotation was computed. [2018-11-23 08:34:21,348 INFO L444 ceAbstractionStarter]: At program point L7168(line 7168) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (= ~last_index~0 (_ bv0 32))) [2018-11-23 08:34:21,348 INFO L448 ceAbstractionStarter]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2018-11-23 08:34:21,348 INFO L448 ceAbstractionStarter]: For program point L7119-1(line 7119) no Hoare annotation was computed. [2018-11-23 08:34:21,348 INFO L444 ceAbstractionStarter]: At program point L7119(line 7119) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (= ~last_index~0 (_ bv0 32))) [2018-11-23 08:34:21,348 INFO L448 ceAbstractionStarter]: For program point L7152-1(line 7152) no Hoare annotation was computed. [2018-11-23 08:34:21,348 INFO L444 ceAbstractionStarter]: At program point L7152(line 7152) the Hoare annotation is: (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2018-11-23 08:34:21,348 INFO L444 ceAbstractionStarter]: At program point L7148-1(line 7148) the Hoare annotation is: (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2018-11-23 08:34:21,348 INFO L444 ceAbstractionStarter]: At program point L7148(line 7148) the Hoare annotation is: (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2018-11-23 08:34:21,349 INFO L444 ceAbstractionStarter]: At program point L7165(lines 7105 7170) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (= ~last_index~0 (_ bv0 32))) [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point rtl8150_probeEXIT(lines 7092 7171) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point L7153(lines 7153 7158) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point L7116-1(line 7116) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L444 ceAbstractionStarter]: At program point L7116(line 7116) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (and (= ~last_index~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,349 INFO L444 ceAbstractionStarter]: At program point L7149(line 7149) the Hoare annotation is: (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point L7141-1(line 7141) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L444 ceAbstractionStarter]: At program point L7141(line 7141) the Hoare annotation is: (or (or (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (and (= ~last_index~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,349 INFO L451 ceAbstractionStarter]: At program point usb_fill_control_urbENTRY(lines 5910 5927) the Hoare annotation is: true [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point usb_fill_control_urbFINAL(lines 5910 5927) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point usb_fill_control_urbEXIT(lines 5910 5927) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point usb_make_pathEXIT(lines 5896 5904) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point L5902(line 5902) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point L5902-2(line 5902) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L451 ceAbstractionStarter]: At program point usb_make_pathENTRY(lines 5896 5904) the Hoare annotation is: true [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point usb_make_pathFINAL(lines 5896 5904) no Hoare annotation was computed. [2018-11-23 08:34:21,349 INFO L451 ceAbstractionStarter]: At program point L6203(lines 6203 6204) the Hoare annotation is: true [2018-11-23 08:34:21,349 INFO L448 ceAbstractionStarter]: For program point L6203-1(lines 6203 6204) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L451 ceAbstractionStarter]: At program point set_ethernet_addrENTRY(lines 6190 6208) the Hoare annotation is: true [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point set_ethernet_addrFINAL(lines 6190 6208) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point L6199(lines 6199 6205) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point L6200-1(lines 6200 6201) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L451 ceAbstractionStarter]: At program point L6200(lines 6200 6201) the Hoare annotation is: true [2018-11-23 08:34:21,350 INFO L451 ceAbstractionStarter]: At program point L6197(line 6197) the Hoare annotation is: true [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point L6199-2(lines 6199 6205) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point L6197-1(line 6197) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point set_ethernet_addrEXIT(lines 6190 6208) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L451 ceAbstractionStarter]: At program point __create_pipeENTRY(lines 5982 5989) the Hoare annotation is: true [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point __create_pipeFINAL(lines 5982 5989) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point __create_pipeEXIT(lines 5982 5989) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point L6287(lines 6287 6292) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point alloc_all_urbsFINAL(lines 6275 6303) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L451 ceAbstractionStarter]: At program point alloc_all_urbsENTRY(lines 6275 6303) the Hoare annotation is: true [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point L6294(lines 6294 6300) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point L6281(lines 6281 6285) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L448 ceAbstractionStarter]: For program point alloc_all_urbsEXIT(lines 6275 6303) no Hoare annotation was computed. [2018-11-23 08:34:21,350 INFO L451 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 5580 5597) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 5580 5597) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point L5588(lines 5588 5595) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 5580 5597) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point L7243-1(line 7243) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point L7243(line 7243) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 7238 7247) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 7238 7247) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 7238 7247) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point L6335(lines 6335 6341) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point pull_skbENTRY(lines 6326 6352) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point pull_skbFINAL(lines 6326 6352) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point pull_skbEXIT(lines 6326 6352) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point L6343(lines 6331 6351) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point L6345(lines 6331 6351) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point constant_test_bitENTRY(lines 5449 5456) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point constant_test_bitFINAL(lines 5449 5456) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point constant_test_bitEXIT(lines 5449 5456) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point rtl8150_closeFINAL(lines 6971 6992) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point L6989(line 6989) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point rtl8150_closeENTRY(lines 6971 6992) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point L6982(line 6982) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point L6983(line 6983) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point L6984-1(lines 6984 6988) the Hoare annotation is: true [2018-11-23 08:34:21,351 INFO L448 ceAbstractionStarter]: For program point L6984(lines 6984 6988) no Hoare annotation was computed. [2018-11-23 08:34:21,351 INFO L451 ceAbstractionStarter]: At program point L6985(line 6985) the Hoare annotation is: true [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point L6979-1(line 6979) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point rtl8150_closeEXIT(lines 6971 6992) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L451 ceAbstractionStarter]: At program point L6979(line 6979) the Hoare annotation is: true [2018-11-23 08:34:21,352 INFO L451 ceAbstractionStarter]: At program point L6982-1(line 6982) the Hoare annotation is: true [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point L5965-2(line 5965) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point L5965(line 5965) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point L5961-2(lines 5961 5970) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point L5961(line 5961) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point usb_fill_int_urbEXIT(lines 5945 5974) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L451 ceAbstractionStarter]: At program point usb_fill_int_urbENTRY(lines 5945 5974) the Hoare annotation is: true [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point L5961-4(lines 5961 5970) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point usb_fill_int_urbFINAL(lines 5945 5974) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point L5966(line 5966) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point L5966-2(line 5966) no Hoare annotation was computed. [2018-11-23 08:34:21,352 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_20EXIT(lines 7793 7802) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L451 ceAbstractionStarter]: At program point ldv_usb_deregister_20ENTRY(lines 7793 7802) the Hoare annotation is: true [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_20FINAL(lines 7793 7802) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point L7969-1(line 7969) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L451 ceAbstractionStarter]: At program point ldv_skb_allocENTRY(lines 7963 7978) the Hoare annotation is: true [2018-11-23 08:34:21,353 INFO L451 ceAbstractionStarter]: At program point L7969(line 7969) the Hoare annotation is: true [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocEXIT(lines 7963 7978) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L451 ceAbstractionStarter]: At program point L7974(line 7974) the Hoare annotation is: true [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocFINAL(lines 7963 7978) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point L7971(lines 7971 7976) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point L7974-1(line 7974) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point set_carrierEXIT(lines 6892 6909) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point L6902(lines 6902 6906) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point L6899-1(line 6899) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L451 ceAbstractionStarter]: At program point L6899(line 6899) the Hoare annotation is: true [2018-11-23 08:34:21,353 INFO L451 ceAbstractionStarter]: At program point set_carrierENTRY(lines 6892 6909) the Hoare annotation is: true [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point L6901-1(line 6901) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point L6902-2(lines 6902 6906) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L451 ceAbstractionStarter]: At program point L6901(line 6901) the Hoare annotation is: true [2018-11-23 08:34:21,353 INFO L448 ceAbstractionStarter]: For program point set_carrierFINAL(lines 6892 6909) no Hoare annotation was computed. [2018-11-23 08:34:21,353 INFO L451 ceAbstractionStarter]: At program point L6714(lines 6702 6720) the Hoare annotation is: true [2018-11-23 08:34:21,353 INFO L451 ceAbstractionStarter]: At program point L6712(lines 6702 6720) the Hoare annotation is: true [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point L6706(lines 6706 6710) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point L6707-1(line 6707) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L451 ceAbstractionStarter]: At program point L6707(line 6707) the Hoare annotation is: true [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point free_skb_poolFINAL(lines 6698 6721) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point L6706-2(lines 6706 6710) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point free_skb_poolEXIT(lines 6698 6721) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L451 ceAbstractionStarter]: At program point free_skb_poolENTRY(lines 6698 6721) the Hoare annotation is: true [2018-11-23 08:34:21,354 INFO L451 ceAbstractionStarter]: At program point usb_fill_bulk_urbENTRY(lines 5928 5944) the Hoare annotation is: true [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point usb_fill_bulk_urbFINAL(lines 5928 5944) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point usb_fill_bulk_urbEXIT(lines 5928 5944) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 5643 5651) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 5643 5651) the Hoare annotation is: true [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5649) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 5643 5651) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L444 ceAbstractionStarter]: At program point L6271(lines 6255 6273) the Hoare annotation is: (let ((.cse2 (= (select (select |#memory_int| |rtl8150_reset_~#data~2.base|) |rtl8150_reset_~#data~2.offset|) ((_ sign_extend 24) (_ bv16 8)))) (.cse0 (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)))) (.cse1 (not (= ~last_index~0 (_ bv0 32))))) (and (or .cse0 (not (= (_ bv0 32) ~ldv_state_variable_2~0)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or .cse1 (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32))))) (and .cse2 (not (bvsgt rtl8150_reset_~i~2 (_ bv0 32))))) (or .cse2 (not (= (_ bv0 32) ~ldv_retval_3~0)) .cse0 .cse1 (not (= (_ bv0 32) ~ldv_state_variable_1~0))))) [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point L6263(lines 6263 6267) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L444 ceAbstractionStarter]: At program point L6264(lines 6255 6273) the Hoare annotation is: (let ((.cse0 (= (select (select |#memory_int| |rtl8150_reset_~#data~2.base|) |rtl8150_reset_~#data~2.offset|) ((_ sign_extend 24) (_ bv16 8)))) (.cse1 (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)))) (.cse2 (not (= ~last_index~0 (_ bv0 32))))) (and (or (and .cse0 (not (= rtl8150_reset_~i~2 (_ bv0 32)))) (not (= (_ bv0 32) ~ldv_state_variable_2~0)) .cse1 (or (not (= ~ref_cnt~0 (_ bv0 32))) (or .cse2 (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (or .cse0 (not (= (_ bv0 32) ~ldv_retval_3~0)) .cse1 .cse2 (not (= (_ bv0 32) ~ldv_state_variable_1~0))))) [2018-11-23 08:34:21,354 INFO L444 ceAbstractionStarter]: At program point L6258(line 6258) the Hoare annotation is: (let ((.cse1 (= (select (select |#memory_int| |rtl8150_reset_~#data~2.base|) |rtl8150_reset_~#data~2.offset|) ((_ sign_extend 24) (_ bv16 8)))) (.cse0 (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)))) (.cse2 (not (= ~last_index~0 (_ bv0 32))))) (and (or .cse0 (and .cse1 (= (bvadd rtl8150_reset_~i~2 (_ bv4294967046 32)) (_ bv0 32))) (not (= (_ bv0 32) ~ldv_state_variable_2~0)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or .cse2 (not (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32)))))) (or .cse1 (not (= (_ bv0 32) ~ldv_retval_3~0)) .cse0 .cse2 (not (= (_ bv0 32) ~ldv_state_variable_1~0))))) [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point L6261(lines 6261 6270) no Hoare annotation was computed. [2018-11-23 08:34:21,354 INFO L448 ceAbstractionStarter]: For program point rtl8150_resetFINAL(lines 6250 6274) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point L6260(line 6260) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point L6258-1(line 6258) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point rtl8150_resetENTRY(lines 6250 6274) the Hoare annotation is: true [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point rtl8150_resetEXIT(lines 6250 6274) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point netif_carrier_okENTRY(lines 5839 5847) the Hoare annotation is: true [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point netif_carrier_okFINAL(lines 5839 5847) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point netif_carrier_okEXIT(lines 5839 5847) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point L5844-1(line 5844) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point L5844(line 5844) the Hoare annotation is: true [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point ethtool_cmd_speed_setFINAL(lines 5691 5700) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point ethtool_cmd_speed_setENTRY(lines 5691 5700) the Hoare annotation is: true [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point ethtool_cmd_speed_setEXIT(lines 5691 5700) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point L6146-1(line 6146) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point L6144(lines 6123 6152) the Hoare annotation is: true [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point L6137(lines 6123 6152) the Hoare annotation is: true [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point L6136(lines 6136 6140) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point L6130(line 6130) the Hoare annotation is: true [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point L6133(lines 6133 6143) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point L6132(line 6132) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point read_mii_wordFINAL(lines 6116 6153) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point L6129(line 6129) the Hoare annotation is: true [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point L6130-1(line 6130) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point L6129-1(line 6129) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point read_mii_wordENTRY(lines 6116 6153) the Hoare annotation is: true [2018-11-23 08:34:21,355 INFO L448 ceAbstractionStarter]: For program point read_mii_wordEXIT(lines 6116 6153) no Hoare annotation was computed. [2018-11-23 08:34:21,355 INFO L451 ceAbstractionStarter]: At program point L6146(line 6146) the Hoare annotation is: true [2018-11-23 08:34:21,356 INFO L451 ceAbstractionStarter]: At program point clear_bitENTRY(lines 5420 5428) the Hoare annotation is: true [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point clear_bitFINAL(lines 5420 5428) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point clear_bitEXIT(lines 5420 5428) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_ethtool_ops_3EXIT(lines 7248 7257) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point L7253-1(line 7253) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L451 ceAbstractionStarter]: At program point ldv_initialize_ethtool_ops_3ENTRY(lines 7248 7257) the Hoare annotation is: true [2018-11-23 08:34:21,356 INFO L451 ceAbstractionStarter]: At program point L7253(line 7253) the Hoare annotation is: true [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_ethtool_ops_3FINAL(lines 7248 7257) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point ldv__builtin_expectFINAL(lines 5661 5668) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L451 ceAbstractionStarter]: At program point ldv__builtin_expectENTRY(lines 5661 5668) the Hoare annotation is: true [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point ldv__builtin_expectEXIT(lines 5661 5668) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point L7213-1(line 7213) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L451 ceAbstractionStarter]: At program point L7213(line 7213) the Hoare annotation is: true [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point rtl8150_driver_initEXIT(lines 7208 7216) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L451 ceAbstractionStarter]: At program point rtl8150_driver_initENTRY(lines 7208 7216) the Hoare annotation is: true [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point rtl8150_driver_initFINAL(lines 7208 7216) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point L7744-1(line 7744) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L451 ceAbstractionStarter]: At program point L7744(line 7744) the Hoare annotation is: true [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point ldv_register_netdev_15FINAL(lines 7735 7747) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L448 ceAbstractionStarter]: For program point ldv_register_netdev_15EXIT(lines 7735 7747) no Hoare annotation was computed. [2018-11-23 08:34:21,356 INFO L451 ceAbstractionStarter]: At program point ldv_register_netdev_15ENTRY(lines 7735 7747) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point L7263-1(line 7263) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point L7263(line 7263) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point ldv_net_device_ops_2ENTRY(lines 7258 7267) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point ldv_net_device_ops_2EXIT(lines 7258 7267) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point ldv_net_device_ops_2FINAL(lines 7258 7267) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point ldv_free_netdev_16ENTRY(lines 7748 7757) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point ldv_free_netdev_16FINAL(lines 7748 7757) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point ldv_free_netdev_16EXIT(lines 7748 7757) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point ldv_free_netdev_14ENTRY(lines 7725 7734) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point ldv_free_netdev_14FINAL(lines 7725 7734) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point ldv_free_netdev_14EXIT(lines 7725 7734) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point rtl8150_disconnectENTRY(lines 7172 7200) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point L7187(line 7187) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point L7189-1(line 7189) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point L7189(line 7189) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point L7185-1(line 7185) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L451 ceAbstractionStarter]: At program point L7185(line 7185) the Hoare annotation is: true [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point L7181-1(lines 7172 7200) no Hoare annotation was computed. [2018-11-23 08:34:21,357 INFO L448 ceAbstractionStarter]: For program point rtl8150_disconnectEXIT(lines 7172 7200) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point L7194(line 7194) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point L7194-1(line 7194) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point L7186(line 7186) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point L7188-2(lines 7188 7192) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point L7188(lines 7188 7192) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point L7182(line 7182) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point L7184-1(line 7184) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point L7184(line 7184) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point L7178(line 7178) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point L7180-1(lines 7177 7199) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point L7180(line 7180) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point L7182-1(line 7182) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point L7178-1(line 7178) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point ldv_free_netdev_18FINAL(lines 7768 7777) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point ldv_free_netdev_18ENTRY(lines 7768 7777) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point ldv_free_netdev_18EXIT(lines 7768 7777) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point netif_stop_queueEXIT(lines 5809 5818) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point L5815(line 5815) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point L5814(line 5814) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point netif_stop_queueFINAL(lines 5809 5818) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point netif_stop_queueENTRY(lines 5809 5818) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point L5814-1(line 5814) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,358 INFO L448 ceAbstractionStarter]: For program point rtl8150_driver_exitEXIT(lines 7217 7225) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point rtl8150_driver_exitFINAL(lines 7217 7225) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point rtl8150_driver_exitENTRY(lines 7217 7225) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point test_and_set_bitEXIT(lines 5429 5438) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point test_and_set_bitFINAL(lines 5429 5438) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point test_and_set_bitENTRY(lines 5429 5438) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point spinlock_checkENTRY(lines 5473 5480) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point spinlock_checkEXIT(lines 5473 5480) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point spinlock_checkFINAL(lines 5473 5480) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point unlink_all_urbsENTRY(lines 6315 6325) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point unlink_all_urbsFINAL(lines 6315 6325) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point unlink_all_urbsEXIT(lines 6315 6325) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point L8002-1(line 8002) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point ldv_skb_free_intENTRY(lines 7997 8005) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point ldv_skb_free_intFINAL(lines 7997 8005) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point ldv_skb_free_intEXIT(lines 7997 8005) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point L8002(line 8002) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point L7712-1(line 7712) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point L7712(line 7712) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point ldv_netif_rx_12EXIT(lines 7707 7715) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point ldv_netif_rx_12ENTRY(lines 7707 7715) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point ldv_netif_rx_12FINAL(lines 7707 7715) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point L6654(line 6654) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point L6657-1(line 6657) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point L6657(line 6657) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L451 ceAbstractionStarter]: At program point L6650(line 6650) the Hoare annotation is: true [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point L6651(lines 6651 6660) no Hoare annotation was computed. [2018-11-23 08:34:21,359 INFO L448 ceAbstractionStarter]: For program point L6654-1(line 6654) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L448 ceAbstractionStarter]: For program point L6647-1(line 6647) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L451 ceAbstractionStarter]: At program point L6647(line 6647) the Hoare annotation is: true [2018-11-23 08:34:21,360 INFO L448 ceAbstractionStarter]: For program point L6650-1(line 6650) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L448 ceAbstractionStarter]: For program point L6651-2(lines 6651 6660) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L448 ceAbstractionStarter]: For program point rtl8150_resumeEXIT(lines 6640 6663) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L451 ceAbstractionStarter]: At program point rtl8150_resumeENTRY(lines 6640 6663) the Hoare annotation is: true [2018-11-23 08:34:21,360 INFO L448 ceAbstractionStarter]: For program point rtl8150_resumeFINAL(lines 6640 6663) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L448 ceAbstractionStarter]: For program point L5522-1(line 5522) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L451 ceAbstractionStarter]: At program point __kmallocENTRY(lines 5520 5523) the Hoare annotation is: true [2018-11-23 08:34:21,360 INFO L448 ceAbstractionStarter]: For program point __kmallocFINAL(lines 5520 5523) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L448 ceAbstractionStarter]: For program point __kmallocEXIT(lines 5520 5523) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L451 ceAbstractionStarter]: At program point L5522(line 5522) the Hoare annotation is: true [2018-11-23 08:34:21,360 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 7268 7661) no Hoare annotation was computed. [2018-11-23 08:34:21,360 INFO L444 ceAbstractionStarter]: At program point L7534(line 7534) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7600(line 7600) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7402(lines 7402 7408) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7534-1(line 7534) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7634(line 7634) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7601-2(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7601(lines 7601 7606) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7403-1(line 7403) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L444 ceAbstractionStarter]: At program point L7403(line 7403) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (= ~last_index~0 (_ bv0 32))) [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7304-1(line 7304) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L444 ceAbstractionStarter]: At program point L7304(line 7304) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7337(line 7337) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L451 ceAbstractionStarter]: At program point L7602(line 7602) the Hoare annotation is: true [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7635(lines 7635 7642) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7602-1(line 7602) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7338(lines 7338 7347) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 7268 7661) no Hoare annotation was computed. [2018-11-23 08:34:21,361 INFO L448 ceAbstractionStarter]: For program point L7438(line 7438) no Hoare annotation was computed. [2018-11-23 08:34:21,362 INFO L444 ceAbstractionStarter]: At program point L7306(line 7306) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,362 INFO L448 ceAbstractionStarter]: For program point L7339-1(line 7339) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L444 ceAbstractionStarter]: At program point L7339(line 7339) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|))) [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7306-1(line 7306) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7439(lines 7439 7472) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7340(lines 7340 7344) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7506(line 7506) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7572(line 7572) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7474(line 7474) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7507(lines 7507 7512) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7540-1(line 7540) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L444 ceAbstractionStarter]: At program point L7540(line 7540) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7573(lines 7573 7578) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7441(lines 7441 7468) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7507-2(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L444 ceAbstractionStarter]: At program point L7574(line 7574) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7607-1(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7442(line 7442) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7475(lines 7475 7650) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L448 ceAbstractionStarter]: For program point L7574-1(line 7574) no Hoare annotation was computed. [2018-11-23 08:34:21,369 INFO L444 ceAbstractionStarter]: At program point L7310(line 7310) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,376 INFO L444 ceAbstractionStarter]: At program point L7310-1(line 7310) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,376 INFO L448 ceAbstractionStarter]: For program point L7608-1(line 7608) no Hoare annotation was computed. [2018-11-23 08:34:21,376 INFO L451 ceAbstractionStarter]: At program point L7608(line 7608) the Hoare annotation is: true [2018-11-23 08:34:21,376 INFO L448 ceAbstractionStarter]: For program point L7410(line 7410) no Hoare annotation was computed. [2018-11-23 08:34:21,376 INFO L448 ceAbstractionStarter]: For program point L7443(lines 7443 7448) no Hoare annotation was computed. [2018-11-23 08:34:21,376 INFO L448 ceAbstractionStarter]: For program point L7311(line 7311) no Hoare annotation was computed. [2018-11-23 08:34:21,376 INFO L448 ceAbstractionStarter]: For program point L7377(line 7377) no Hoare annotation was computed. [2018-11-23 08:34:21,376 INFO L448 ceAbstractionStarter]: For program point L7378(lines 7378 7387) no Hoare annotation was computed. [2018-11-23 08:34:21,376 INFO L448 ceAbstractionStarter]: For program point L7411(lines 7411 7428) no Hoare annotation was computed. [2018-11-23 08:34:21,376 INFO L448 ceAbstractionStarter]: For program point L7444-1(line 7444) no Hoare annotation was computed. [2018-11-23 08:34:21,376 INFO L444 ceAbstractionStarter]: At program point L7444(line 7444) the Hoare annotation is: (let ((.cse0 (= ~last_index~0 (_ bv0 32))) (.cse5 (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (.cse1 (= ~ref_cnt~0 (_ bv0 32))) (.cse2 (= ~ldv_retval_3~0 (_ bv0 32))) (.cse3 (= ~ldv_state_variable_1~0 (_ bv0 32))) (.cse4 (= ~ldv_state_variable_2~0 (_ bv0 32)))) (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and .cse0 .cse1 (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse5 (and .cse0 .cse1 (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32))) .cse4) (and .cse5 .cse0 .cse2 .cse3) (and .cse5 (not .cse1) .cse2 .cse3 .cse4))) [2018-11-23 08:34:21,377 INFO L448 ceAbstractionStarter]: For program point L7477(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,377 INFO L448 ceAbstractionStarter]: For program point L7478(line 7478) no Hoare annotation was computed. [2018-11-23 08:34:21,377 INFO L448 ceAbstractionStarter]: For program point L7412-1(line 7412) no Hoare annotation was computed. [2018-11-23 08:34:21,377 INFO L444 ceAbstractionStarter]: At program point L7412(line 7412) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (and (= ~ref_cnt~0 (_ bv0 32)) (and (= ~last_index~0 (_ bv0 32)) (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967295 32)) (_ bv0 32)))) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7644(line 7644) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7479(lines 7479 7484) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7380(lines 7380 7384) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7413-1(lines 7411 7426) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7413(lines 7413 7419) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7479-2(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7546(line 7546) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L451 ceAbstractionStarter]: At program point L7645(line 7645) the Hoare annotation is: true [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7480-1(line 7480) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L444 ceAbstractionStarter]: At program point L7480(line 7480) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7513-1(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7547(lines 7547 7552) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7580(line 7580) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7547-2(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7349(line 7349) no Hoare annotation was computed. [2018-11-23 08:34:21,383 INFO L451 ceAbstractionStarter]: At program point L7614(line 7614) the Hoare annotation is: true [2018-11-23 08:34:21,383 INFO L448 ceAbstractionStarter]: For program point L7581-2(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,384 INFO L448 ceAbstractionStarter]: For program point L7581(lines 7581 7586) no Hoare annotation was computed. [2018-11-23 08:34:21,384 INFO L448 ceAbstractionStarter]: For program point L7614-1(line 7614) no Hoare annotation was computed. [2018-11-23 08:34:21,384 INFO L448 ceAbstractionStarter]: For program point L7350(lines 7350 7356) no Hoare annotation was computed. [2018-11-23 08:34:21,384 INFO L444 ceAbstractionStarter]: At program point L7416(line 7416) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32))) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,387 INFO L448 ceAbstractionStarter]: For program point L7350-2(lines 7323 7391) no Hoare annotation was computed. [2018-11-23 08:34:21,387 INFO L444 ceAbstractionStarter]: At program point L7582(line 7582) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,387 INFO L448 ceAbstractionStarter]: For program point L7450(line 7450) no Hoare annotation was computed. [2018-11-23 08:34:21,387 INFO L448 ceAbstractionStarter]: For program point L7582-1(line 7582) no Hoare annotation was computed. [2018-11-23 08:34:21,387 INFO L448 ceAbstractionStarter]: For program point L7351-1(line 7351) no Hoare annotation was computed. [2018-11-23 08:34:21,387 INFO L444 ceAbstractionStarter]: At program point L7351(line 7351) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|))) [2018-11-23 08:34:21,387 INFO L448 ceAbstractionStarter]: For program point L7451(lines 7451 7456) no Hoare annotation was computed. [2018-11-23 08:34:21,387 INFO L448 ceAbstractionStarter]: For program point L7319(lines 7319 7654) no Hoare annotation was computed. [2018-11-23 08:34:21,387 INFO L448 ceAbstractionStarter]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2018-11-23 08:34:21,387 INFO L444 ceAbstractionStarter]: At program point L7452(line 7452) the Hoare annotation is: (let ((.cse0 (= ~last_index~0 (_ bv0 32))) (.cse5 (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (.cse1 (= ~ref_cnt~0 (_ bv0 32))) (.cse2 (= ~ldv_retval_3~0 (_ bv0 32))) (.cse3 (= ~ldv_state_variable_1~0 (_ bv0 32))) (.cse4 (= ~ldv_state_variable_2~0 (_ bv0 32)))) (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and .cse0 .cse1 (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse5 (and .cse0 .cse1 (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32))) .cse4) (and .cse5 .cse0 .cse2 .cse3) (and .cse5 (not .cse1) .cse2 .cse3 .cse4))) [2018-11-23 08:34:21,387 INFO L448 ceAbstractionStarter]: For program point L7485-1(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,387 INFO L448 ceAbstractionStarter]: For program point L7320(line 7320) no Hoare annotation was computed. [2018-11-23 08:34:21,387 INFO L444 ceAbstractionStarter]: At program point L7486(line 7486) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,391 INFO L448 ceAbstractionStarter]: For program point L7486-1(line 7486) no Hoare annotation was computed. [2018-11-23 08:34:21,391 INFO L448 ceAbstractionStarter]: For program point L7321(lines 7321 7395) no Hoare annotation was computed. [2018-11-23 08:34:21,391 INFO L448 ceAbstractionStarter]: For program point L7652(line 7652) no Hoare annotation was computed. [2018-11-23 08:34:21,391 INFO L448 ceAbstractionStarter]: For program point L7587-1(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,391 INFO L448 ceAbstractionStarter]: For program point L7620(line 7620) no Hoare annotation was computed. [2018-11-23 08:34:21,391 INFO L451 ceAbstractionStarter]: At program point L7653(line 7653) the Hoare annotation is: true [2018-11-23 08:34:21,392 INFO L444 ceAbstractionStarter]: At program point L7422(lines 7293 7660) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (= ~last_index~0 (_ bv0 32))) [2018-11-23 08:34:21,392 INFO L448 ceAbstractionStarter]: For program point L7323(lines 7323 7391) no Hoare annotation was computed. [2018-11-23 08:34:21,392 INFO L448 ceAbstractionStarter]: For program point L7389(line 7389) no Hoare annotation was computed. [2018-11-23 08:34:21,392 INFO L448 ceAbstractionStarter]: For program point L7588-1(line 7588) no Hoare annotation was computed. [2018-11-23 08:34:21,392 INFO L444 ceAbstractionStarter]: At program point L7588(line 7588) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,392 INFO L448 ceAbstractionStarter]: For program point L7621(lines 7621 7632) no Hoare annotation was computed. [2018-11-23 08:34:21,392 INFO L451 ceAbstractionStarter]: At program point L7390(line 7390) the Hoare annotation is: true [2018-11-23 08:34:21,392 INFO L448 ceAbstractionStarter]: For program point L7324(line 7324) no Hoare annotation was computed. [2018-11-23 08:34:21,392 INFO L444 ceAbstractionStarter]: At program point L7655(lines 7293 7660) the Hoare annotation is: (let ((.cse0 (= ~last_index~0 (_ bv0 32))) (.cse5 (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (.cse1 (= ~ref_cnt~0 (_ bv0 32))) (.cse2 (= ~ldv_retval_3~0 (_ bv0 32))) (.cse3 (= ~ldv_state_variable_1~0 (_ bv0 32))) (.cse4 (= ~ldv_state_variable_2~0 (_ bv0 32)))) (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and .cse0 .cse1 (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse5 (and .cse0 .cse1 (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32))) .cse4) (and .cse5 .cse0 .cse2 .cse3) (and .cse5 (not .cse1) .cse2 .cse3 .cse4))) [2018-11-23 08:34:21,392 INFO L444 ceAbstractionStarter]: At program point L7358(line 7358) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|))) [2018-11-23 08:34:21,397 INFO L448 ceAbstractionStarter]: For program point L7325(lines 7325 7335) no Hoare annotation was computed. [2018-11-23 08:34:21,397 INFO L448 ceAbstractionStarter]: For program point L7358-1(line 7358) no Hoare annotation was computed. [2018-11-23 08:34:21,397 INFO L448 ceAbstractionStarter]: For program point L7623(lines 7623 7629) no Hoare annotation was computed. [2018-11-23 08:34:21,397 INFO L448 ceAbstractionStarter]: For program point L7458(line 7458) no Hoare annotation was computed. [2018-11-23 08:34:21,397 INFO L444 ceAbstractionStarter]: At program point L7326(line 7326) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32))) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,397 INFO L448 ceAbstractionStarter]: For program point L7326-1(line 7326) no Hoare annotation was computed. [2018-11-23 08:34:21,397 INFO L448 ceAbstractionStarter]: For program point L7459(lines 7459 7464) no Hoare annotation was computed. [2018-11-23 08:34:21,397 INFO L448 ceAbstractionStarter]: For program point L7492-1(line 7492) no Hoare annotation was computed. [2018-11-23 08:34:21,397 INFO L444 ceAbstractionStarter]: At program point L7492(line 7492) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,397 INFO L444 ceAbstractionStarter]: At program point L7294(line 7294) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,397 INFO L448 ceAbstractionStarter]: For program point L7327(lines 7327 7332) no Hoare annotation was computed. [2018-11-23 08:34:21,398 INFO L448 ceAbstractionStarter]: For program point L7294-1(line 7294) no Hoare annotation was computed. [2018-11-23 08:34:21,398 INFO L448 ceAbstractionStarter]: For program point L7658(line 7658) no Hoare annotation was computed. [2018-11-23 08:34:21,398 INFO L448 ceAbstractionStarter]: For program point L7526(line 7526) no Hoare annotation was computed. [2018-11-23 08:34:21,398 INFO L448 ceAbstractionStarter]: For program point L7527(lines 7527 7532) no Hoare annotation was computed. [2018-11-23 08:34:21,398 INFO L448 ceAbstractionStarter]: For program point L7560(line 7560) no Hoare annotation was computed. [2018-11-23 08:34:21,398 INFO L448 ceAbstractionStarter]: For program point L7527-2(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,398 INFO L448 ceAbstractionStarter]: For program point L7296-1(line 7296) no Hoare annotation was computed. [2018-11-23 08:34:21,398 INFO L444 ceAbstractionStarter]: At program point L7296(line 7296) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,405 INFO L444 ceAbstractionStarter]: At program point L7594(line 7594) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,405 INFO L448 ceAbstractionStarter]: For program point L7528-1(line 7528) no Hoare annotation was computed. [2018-11-23 08:34:21,406 INFO L444 ceAbstractionStarter]: At program point L7528(line 7528) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,406 INFO L448 ceAbstractionStarter]: For program point L7561(lines 7561 7570) no Hoare annotation was computed. [2018-11-23 08:34:21,406 INFO L448 ceAbstractionStarter]: For program point L7594-1(line 7594) no Hoare annotation was computed. [2018-11-23 08:34:21,406 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 7268 7661) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,406 INFO L444 ceAbstractionStarter]: At program point L7562(line 7562) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,406 INFO L448 ceAbstractionStarter]: For program point L7430(line 7430) no Hoare annotation was computed. [2018-11-23 08:34:21,406 INFO L448 ceAbstractionStarter]: For program point L7562-1(line 7562) no Hoare annotation was computed. [2018-11-23 08:34:21,406 INFO L444 ceAbstractionStarter]: At program point L7298(line 7298) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,406 INFO L448 ceAbstractionStarter]: For program point L7397(line 7397) no Hoare annotation was computed. [2018-11-23 08:34:21,406 INFO L448 ceAbstractionStarter]: For program point L7298-1(line 7298) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7563(lines 7563 7567) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7398(lines 7398 7436) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L451 ceAbstractionStarter]: At program point L7431(line 7431) the Hoare annotation is: true [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7365(line 7365) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7498(line 7498) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7366(lines 7366 7375) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7300-1(line 7300) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L444 ceAbstractionStarter]: At program point L7300(line 7300) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32)))) [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7466(line 7466) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7499(lines 7499 7504) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7367-1(line 7367) no Hoare annotation was computed. [2018-11-23 08:34:21,414 INFO L444 ceAbstractionStarter]: At program point L7367(line 7367) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|))) [2018-11-23 08:34:21,414 INFO L448 ceAbstractionStarter]: For program point L7400(lines 7400 7432) no Hoare annotation was computed. [2018-11-23 08:34:21,415 INFO L451 ceAbstractionStarter]: At program point L7467(line 7467) the Hoare annotation is: true [2018-11-23 08:34:21,415 INFO L448 ceAbstractionStarter]: For program point L7500-1(line 7500) no Hoare annotation was computed. [2018-11-23 08:34:21,415 INFO L444 ceAbstractionStarter]: At program point L7500(line 7500) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_retval_3~0)|)) (not (= |old(~last_index~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_2~0)|)) (not (= |old(~ref_cnt~0)| (_ bv0 32))) (not (= (_ bv0 32) |old(~ldv_state_variable_1~0)|)) (and (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~last_index~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)))) [2018-11-23 08:34:21,415 INFO L448 ceAbstractionStarter]: For program point L7533-1(lines 7477 7646) no Hoare annotation was computed. [2018-11-23 08:34:21,415 INFO L448 ceAbstractionStarter]: For program point L7368(lines 7368 7372) no Hoare annotation was computed. [2018-11-23 08:34:21,415 INFO L448 ceAbstractionStarter]: For program point L7401(line 7401) no Hoare annotation was computed. [2018-11-23 08:34:21,415 INFO L448 ceAbstractionStarter]: For program point netif_start_queueEXIT(lines 5750 5759) no Hoare annotation was computed. [2018-11-23 08:34:21,415 INFO L451 ceAbstractionStarter]: At program point L5755(line 5755) the Hoare annotation is: true [2018-11-23 08:34:21,415 INFO L451 ceAbstractionStarter]: At program point netif_start_queueENTRY(lines 5750 5759) the Hoare annotation is: true [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point L5755-1(line 5755) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point netif_start_queueFINAL(lines 5750 5759) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L451 ceAbstractionStarter]: At program point L5756(line 5756) the Hoare annotation is: true [2018-11-23 08:34:21,423 INFO L451 ceAbstractionStarter]: At program point L6686(lines 6669 6696) the Hoare annotation is: true [2018-11-23 08:34:21,423 INFO L451 ceAbstractionStarter]: At program point L6688(lines 6669 6696) the Hoare annotation is: true [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point L6684-1(line 6684) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L451 ceAbstractionStarter]: At program point L6684(line 6684) the Hoare annotation is: true [2018-11-23 08:34:21,423 INFO L451 ceAbstractionStarter]: At program point L6678(line 6678) the Hoare annotation is: true [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point L6679(lines 6679 6683) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point fill_skb_poolFINAL(lines 6664 6697) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point L6678-1(line 6678) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point fill_skb_poolEXIT(lines 6664 6697) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L451 ceAbstractionStarter]: At program point fill_skb_poolENTRY(lines 6664 6697) the Hoare annotation is: true [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point L6673(lines 6673 6677) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L451 ceAbstractionStarter]: At program point L6690(lines 6669 6696) the Hoare annotation is: true [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point ldv_set_addEXIT(lines 7818 7845) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point L7837-1(lines 7818 7845) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point L7825-1(lines 7825 7829) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point L7825(lines 7825 7829) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L448 ceAbstractionStarter]: For program point L7830(lines 7830 7834) no Hoare annotation was computed. [2018-11-23 08:34:21,423 INFO L451 ceAbstractionStarter]: At program point L7824-2(lines 7824 7836) the Hoare annotation is: true [2018-11-23 08:34:21,424 INFO L448 ceAbstractionStarter]: For program point L7824-3(lines 7822 7844) no Hoare annotation was computed. [2018-11-23 08:34:21,424 INFO L451 ceAbstractionStarter]: At program point ldv_set_addENTRY(lines 7818 7845) the Hoare annotation is: true [2018-11-23 08:34:21,424 INFO L448 ceAbstractionStarter]: For program point L5824-1(line 5824) no Hoare annotation was computed. [2018-11-23 08:34:21,424 INFO L448 ceAbstractionStarter]: For program point netif_runningEXIT(lines 5819 5827) no Hoare annotation was computed. [2018-11-23 08:34:21,424 INFO L451 ceAbstractionStarter]: At program point L5824(line 5824) the Hoare annotation is: true [2018-11-23 08:34:21,424 INFO L451 ceAbstractionStarter]: At program point netif_runningENTRY(lines 5819 5827) the Hoare annotation is: true [2018-11-23 08:34:21,424 INFO L448 ceAbstractionStarter]: For program point netif_runningFINAL(lines 5819 5827) no Hoare annotation was computed. [2018-11-23 08:34:21,424 INFO L448 ceAbstractionStarter]: For program point L5792-1(line 5792) no Hoare annotation was computed. [2018-11-23 08:34:21,429 INFO L451 ceAbstractionStarter]: At program point L5793-2(lines 5793 5797) the Hoare annotation is: true [2018-11-23 08:34:21,429 INFO L448 ceAbstractionStarter]: For program point L5793(lines 5793 5797) no Hoare annotation was computed. [2018-11-23 08:34:21,429 INFO L451 ceAbstractionStarter]: At program point L5792(line 5792) the Hoare annotation is: true [2018-11-23 08:34:21,429 INFO L448 ceAbstractionStarter]: For program point netif_tx_stop_queueFINAL(lines 5784 5808) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L451 ceAbstractionStarter]: At program point L5805(line 5805) the Hoare annotation is: true [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point netif_tx_stop_queueEXIT(lines 5784 5808) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L5799(lines 5799 5804) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L5798(line 5798) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L451 ceAbstractionStarter]: At program point netif_tx_stop_queueENTRY(lines 5784 5808) the Hoare annotation is: true [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point tasklet_scheduleEXIT(lines 5703 5716) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L5708-1(line 5708) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L5709-2(lines 5703 5716) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L5709(lines 5709 5713) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L451 ceAbstractionStarter]: At program point L5708(line 5708) the Hoare annotation is: true [2018-11-23 08:34:21,430 INFO L451 ceAbstractionStarter]: At program point tasklet_scheduleENTRY(lines 5703 5716) the Hoare annotation is: true [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyEXIT(lines 7911 7918) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L451 ceAbstractionStarter]: At program point ldv_set_is_emptyENTRY(lines 7911 7918) the Hoare annotation is: true [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyFINAL(lines 7911 7918) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L7872-1(lines 7872 7876) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L7872(lines 7872 7876) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L7856-1(lines 7856 7860) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L7856(lines 7856 7860) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L451 ceAbstractionStarter]: At program point ldv_set_removeENTRY(lines 7847 7886) the Hoare annotation is: true [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L7871-3(lines 7871 7879) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L7869-1(lines 7847 7886) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L451 ceAbstractionStarter]: At program point L7871-2(lines 7871 7879) the Hoare annotation is: true [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L7861(lines 7861 7866) no Hoare annotation was computed. [2018-11-23 08:34:21,430 INFO L448 ceAbstractionStarter]: For program point L7855-3(lines 7852 7885) no Hoare annotation was computed. [2018-11-23 08:34:21,440 INFO L451 ceAbstractionStarter]: At program point L7855-2(lines 7855 7868) the Hoare annotation is: true [2018-11-23 08:34:21,440 INFO L448 ceAbstractionStarter]: For program point ldv_set_removeEXIT(lines 7847 7886) no Hoare annotation was computed. [2018-11-23 08:34:21,440 INFO L451 ceAbstractionStarter]: At program point L6078(line 6078) the Hoare annotation is: true [2018-11-23 08:34:21,440 INFO L448 ceAbstractionStarter]: For program point L6080(lines 6080 6084) no Hoare annotation was computed. [2018-11-23 08:34:21,440 INFO L448 ceAbstractionStarter]: For program point L6078-1(line 6078) no Hoare annotation was computed. [2018-11-23 08:34:21,440 INFO L448 ceAbstractionStarter]: For program point L6103(lines 6103 6107) no Hoare annotation was computed. [2018-11-23 08:34:21,440 INFO L451 ceAbstractionStarter]: At program point async_set_registersENTRY(lines 6068 6115) the Hoare annotation is: true [2018-11-23 08:34:21,440 INFO L451 ceAbstractionStarter]: At program point L6099(lines 6099 6100) the Hoare annotation is: true [2018-11-23 08:34:21,440 INFO L448 ceAbstractionStarter]: For program point L6099-1(lines 6099 6100) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point L6103-2(lines 6103 6107) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point async_set_registersFINAL(lines 6068 6115) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point L6102(lines 6102 6112) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L451 ceAbstractionStarter]: At program point L6098(line 6098) the Hoare annotation is: true [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point L6102-2(lines 6102 6112) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point async_set_registersEXIT(lines 6068 6115) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point L6098-1(line 6098) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point L6086(lines 6086 6091) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L451 ceAbstractionStarter]: At program point L7026(line 7026) the Hoare annotation is: true [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point rtl8150_get_settingsFINAL(lines 7007 7040) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point L7028(lines 7028 7032) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L451 ceAbstractionStarter]: At program point L7022(line 7022) the Hoare annotation is: true [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point L7024-1(lines 7024 7037) no Hoare annotation was computed. [2018-11-23 08:34:21,441 INFO L448 ceAbstractionStarter]: For program point L7024(lines 7024 7037) no Hoare annotation was computed. [2018-11-23 08:34:21,442 INFO L448 ceAbstractionStarter]: For program point L7026-1(line 7026) no Hoare annotation was computed. [2018-11-23 08:34:21,442 INFO L448 ceAbstractionStarter]: For program point L7022-1(line 7022) no Hoare annotation was computed. [2018-11-23 08:34:21,442 INFO L448 ceAbstractionStarter]: For program point L7016-1(line 7016) no Hoare annotation was computed. [2018-11-23 08:34:21,442 INFO L451 ceAbstractionStarter]: At program point L7016(line 7016) the Hoare annotation is: true [2018-11-23 08:34:21,442 INFO L448 ceAbstractionStarter]: For program point L7035(line 7035) no Hoare annotation was computed. [2018-11-23 08:34:21,442 INFO L448 ceAbstractionStarter]: For program point L7035-3(line 7035) no Hoare annotation was computed. [2018-11-23 08:34:21,452 INFO L451 ceAbstractionStarter]: At program point L7035-2(line 7035) the Hoare annotation is: true [2018-11-23 08:34:21,452 INFO L448 ceAbstractionStarter]: For program point L7023-1(line 7023) no Hoare annotation was computed. [2018-11-23 08:34:21,452 INFO L451 ceAbstractionStarter]: At program point L7023(line 7023) the Hoare annotation is: true [2018-11-23 08:34:21,452 INFO L448 ceAbstractionStarter]: For program point L7025-2(line 7025) no Hoare annotation was computed. [2018-11-23 08:34:21,452 INFO L448 ceAbstractionStarter]: For program point L7025(line 7025) no Hoare annotation was computed. [2018-11-23 08:34:21,452 INFO L448 ceAbstractionStarter]: For program point rtl8150_get_settingsEXIT(lines 7007 7040) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L451 ceAbstractionStarter]: At program point rtl8150_get_settingsENTRY(lines 7007 7040) the Hoare annotation is: true [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6784-2(lines 6784 6788) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6784(lines 6784 6788) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L451 ceAbstractionStarter]: At program point enable_net_trafficENTRY(lines 6774 6803) the Hoare annotation is: true [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6799-1(line 6799) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L451 ceAbstractionStarter]: At program point L6799(line 6799) the Hoare annotation is: true [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6797(line 6797) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L451 ceAbstractionStarter]: At program point L6793(line 6793) the Hoare annotation is: true [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6783-1(line 6783) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L451 ceAbstractionStarter]: At program point L6783(line 6783) the Hoare annotation is: true [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point enable_net_trafficEXIT(lines 6774 6803) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L451 ceAbstractionStarter]: At program point L6798(line 6798) the Hoare annotation is: true [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6800-1(line 6800) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L451 ceAbstractionStarter]: At program point L6800(line 6800) the Hoare annotation is: true [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6798-1(line 6798) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L451 ceAbstractionStarter]: At program point L6792-1(lines 6792 6796) the Hoare annotation is: true [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6792(lines 6792 6796) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point enable_net_trafficFINAL(lines 6774 6803) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L451 ceAbstractionStarter]: At program point L6239(line 6239) the Hoare annotation is: true [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point rtl8150_set_mac_addressEXIT(lines 6209 6249) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6239-1(line 6239) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6240-2(lines 6240 6245) no Hoare annotation was computed. [2018-11-23 08:34:21,453 INFO L448 ceAbstractionStarter]: For program point L6240(lines 6240 6245) no Hoare annotation was computed. [2018-11-23 08:34:21,462 INFO L451 ceAbstractionStarter]: At program point rtl8150_set_mac_addressENTRY(lines 6209 6249) the Hoare annotation is: true [2018-11-23 08:34:21,462 INFO L448 ceAbstractionStarter]: For program point rtl8150_set_mac_addressFINAL(lines 6209 6249) no Hoare annotation was computed. [2018-11-23 08:34:21,462 INFO L451 ceAbstractionStarter]: At program point L6231(lines 6231 6232) the Hoare annotation is: true [2018-11-23 08:34:21,462 INFO L448 ceAbstractionStarter]: For program point L6231-1(lines 6231 6232) no Hoare annotation was computed. [2018-11-23 08:34:21,462 INFO L448 ceAbstractionStarter]: For program point L6224-1(line 6224) no Hoare annotation was computed. [2018-11-23 08:34:21,462 INFO L451 ceAbstractionStarter]: At program point L6222(line 6222) the Hoare annotation is: true [2018-11-23 08:34:21,462 INFO L448 ceAbstractionStarter]: For program point L6225(lines 6225 6229) no Hoare annotation was computed. [2018-11-23 08:34:21,462 INFO L451 ceAbstractionStarter]: At program point L6224(line 6224) the Hoare annotation is: true [2018-11-23 08:34:21,462 INFO L448 ceAbstractionStarter]: For program point L6222-1(line 6222) no Hoare annotation was computed. [2018-11-23 08:34:21,462 INFO L451 ceAbstractionStarter]: At program point L6246(line 6246) the Hoare annotation is: true [2018-11-23 08:34:21,462 INFO L448 ceAbstractionStarter]: For program point L6246-1(line 6246) no Hoare annotation was computed. [2018-11-23 08:34:21,462 INFO L451 ceAbstractionStarter]: At program point ldv_unregister_netdev_17ENTRY(lines 7758 7767) the Hoare annotation is: true [2018-11-23 08:34:21,462 INFO L448 ceAbstractionStarter]: For program point ldv_unregister_netdev_17FINAL(lines 7758 7767) no Hoare annotation was computed. [2018-11-23 08:34:21,462 INFO L448 ceAbstractionStarter]: For program point ldv_unregister_netdev_17EXIT(lines 7758 7767) no Hoare annotation was computed. [2018-11-23 08:34:21,463 INFO L448 ceAbstractionStarter]: For program point dev_set_drvdataFINAL(lines 5541 5549) no Hoare annotation was computed. [2018-11-23 08:34:21,463 INFO L448 ceAbstractionStarter]: For program point dev_set_drvdataEXIT(lines 5541 5549) no Hoare annotation was computed. [2018-11-23 08:34:21,463 INFO L451 ceAbstractionStarter]: At program point dev_set_drvdataENTRY(lines 5541 5549) the Hoare annotation is: true [2018-11-23 08:34:21,463 INFO L448 ceAbstractionStarter]: For program point L7003-1(line 7003) no Hoare annotation was computed. [2018-11-23 08:34:21,463 INFO L451 ceAbstractionStarter]: At program point L7003(line 7003) the Hoare annotation is: true [2018-11-23 08:34:21,463 INFO L448 ceAbstractionStarter]: For program point L6999-1(line 6999) no Hoare annotation was computed. [2018-11-23 08:34:21,463 INFO L448 ceAbstractionStarter]: For program point rtl8150_get_drvinfoEXIT(lines 6993 7006) no Hoare annotation was computed. [2018-11-23 08:34:21,463 INFO L451 ceAbstractionStarter]: At program point L6999(line 6999) the Hoare annotation is: true [2018-11-23 08:34:21,463 INFO L451 ceAbstractionStarter]: At program point rtl8150_get_drvinfoENTRY(lines 6993 7006) the Hoare annotation is: true [2018-11-23 08:34:21,463 INFO L448 ceAbstractionStarter]: For program point rtl8150_get_drvinfoFINAL(lines 6993 7006) no Hoare annotation was computed. [2018-11-23 08:34:21,463 INFO L448 ceAbstractionStarter]: For program point L6877(lines 6877 6883) no Hoare annotation was computed. [2018-11-23 08:34:21,463 INFO L448 ceAbstractionStarter]: For program point L6873-1(lines 6873 6874) no Hoare annotation was computed. [2018-11-23 08:34:21,463 INFO L451 ceAbstractionStarter]: At program point L6873(lines 6873 6874) the Hoare annotation is: true [2018-11-23 08:34:21,463 INFO L451 ceAbstractionStarter]: At program point rtl8150_start_xmitENTRY(lines 6857 6891) the Hoare annotation is: true [2018-11-23 08:34:21,470 INFO L448 ceAbstractionStarter]: For program point L6869-2(line 6869) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6869(line 6869) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L444 ceAbstractionStarter]: At program point L6882(line 6882) the Hoare annotation is: (or (not (= (_ bv0 32) ~ldv_retval_3~0)) (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967293 32)) (_ bv0 32))) (not (= ~last_index~0 (_ bv0 32))) (not (= (_ bv0 32) ~ldv_state_variable_1~0))) [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6876-1(lines 6876 6888) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6876(lines 6876 6888) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6870(line 6870) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point rtl8150_start_xmitEXIT(lines 6857 6891) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6872-1(line 6872) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L451 ceAbstractionStarter]: At program point L6872(line 6872) the Hoare annotation is: true [2018-11-23 08:34:21,471 INFO L451 ceAbstractionStarter]: At program point L6866(line 6866) the Hoare annotation is: true [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6868-1(line 6868) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L451 ceAbstractionStarter]: At program point L6868(line 6868) the Hoare annotation is: true [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6870-2(line 6870) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6866-1(line 6866) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point rtl8150_start_xmitFINAL(lines 6857 6891) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point disable_net_trafficFINAL(lines 6804 6814) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6811-1(line 6811) no Hoare annotation was computed. [2018-11-23 08:34:21,471 INFO L451 ceAbstractionStarter]: At program point L6811(line 6811) the Hoare annotation is: true [2018-11-23 08:34:21,471 INFO L451 ceAbstractionStarter]: At program point disable_net_trafficENTRY(lines 6804 6814) the Hoare annotation is: true [2018-11-23 08:34:21,471 INFO L448 ceAbstractionStarter]: For program point L6809-1(line 6809) no Hoare annotation was computed. [2018-11-23 08:34:21,472 INFO L451 ceAbstractionStarter]: At program point L6809(line 6809) the Hoare annotation is: true [2018-11-23 08:34:21,472 INFO L448 ceAbstractionStarter]: For program point disable_net_trafficEXIT(lines 6804 6814) no Hoare annotation was computed. [2018-11-23 08:34:21,472 INFO L448 ceAbstractionStarter]: For program point rtl8150_set_multicastFINAL(lines 6829 6856) no Hoare annotation was computed. [2018-11-23 08:34:21,472 INFO L448 ceAbstractionStarter]: For program point L6845-2(lines 6845 6851) no Hoare annotation was computed. [2018-11-23 08:34:21,472 INFO L448 ceAbstractionStarter]: For program point L6845(line 6845) no Hoare annotation was computed. [2018-11-23 08:34:21,472 INFO L448 ceAbstractionStarter]: For program point rtl8150_set_multicastEXIT(lines 6829 6856) no Hoare annotation was computed. [2018-11-23 08:34:21,472 INFO L448 ceAbstractionStarter]: For program point L6839-1(line 6839) no Hoare annotation was computed. [2018-11-23 08:34:21,472 INFO L451 ceAbstractionStarter]: At program point L6839(line 6839) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point L6840(lines 6840 6851) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L451 ceAbstractionStarter]: At program point rtl8150_set_multicastENTRY(lines 6829 6856) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L451 ceAbstractionStarter]: At program point L6845-4(lines 6840 6851) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point L6836-1(line 6836) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L451 ceAbstractionStarter]: At program point L6836(line 6836) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point L6852(line 6852) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L451 ceAbstractionStarter]: At program point L6853(line 6853) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L451 ceAbstractionStarter]: At program point kmallocENTRY(lines 5524 5532) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point kmallocFINAL(lines 5524 5532) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L451 ceAbstractionStarter]: At program point L5529(line 5529) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point L5529-1(line 5529) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point kmallocEXIT(lines 5524 5532) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L451 ceAbstractionStarter]: At program point spin_lockENTRY(lines 5481 5489) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point spin_lockFINAL(lines 5481 5489) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point spin_lockEXIT(lines 5481 5489) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point L6018-1(line 6018) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point get_registersFINAL(lines 6012 6023) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L451 ceAbstractionStarter]: At program point get_registersENTRY(lines 6012 6023) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L451 ceAbstractionStarter]: At program point L6018(line 6018) the Hoare annotation is: true [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point get_registersEXIT(lines 6012 6023) no Hoare annotation was computed. [2018-11-23 08:34:21,479 INFO L448 ceAbstractionStarter]: For program point L6931-1(line 6931) no Hoare annotation was computed. [2018-11-23 08:34:21,480 INFO L451 ceAbstractionStarter]: At program point L6931(line 6931) the Hoare annotation is: true [2018-11-23 08:34:21,480 INFO L448 ceAbstractionStarter]: For program point L6919-1(line 6919) no Hoare annotation was computed. [2018-11-23 08:34:21,480 INFO L451 ceAbstractionStarter]: At program point L6919(line 6919) the Hoare annotation is: true [2018-11-23 08:34:21,480 INFO L448 ceAbstractionStarter]: For program point L6952(lines 6952 6964) no Hoare annotation was computed. [2018-11-23 08:34:21,480 INFO L448 ceAbstractionStarter]: For program point L6948-1(line 6948) no Hoare annotation was computed. [2018-11-23 08:34:21,480 INFO L451 ceAbstractionStarter]: At program point L6948(line 6948) the Hoare annotation is: true [2018-11-23 08:34:21,480 INFO L448 ceAbstractionStarter]: For program point L6936(lines 6936 6947) no Hoare annotation was computed. [2018-11-23 08:34:21,480 INFO L448 ceAbstractionStarter]: For program point L6932-1(line 6932) no Hoare annotation was computed. [2018-11-23 08:34:21,485 INFO L451 ceAbstractionStarter]: At program point L6932(line 6932) the Hoare annotation is: true [2018-11-23 08:34:21,485 INFO L448 ceAbstractionStarter]: For program point L6965-1(line 6965) no Hoare annotation was computed. [2018-11-23 08:34:21,485 INFO L451 ceAbstractionStarter]: At program point L6965(line 6965) the Hoare annotation is: true [2018-11-23 08:34:21,485 INFO L448 ceAbstractionStarter]: For program point L6953-2(lines 6953 6957) no Hoare annotation was computed. [2018-11-23 08:34:21,485 INFO L448 ceAbstractionStarter]: For program point L6953(lines 6953 6957) no Hoare annotation was computed. [2018-11-23 08:34:21,485 INFO L448 ceAbstractionStarter]: For program point L6949-1(lines 6949 6950) no Hoare annotation was computed. [2018-11-23 08:34:21,485 INFO L451 ceAbstractionStarter]: At program point L6949(lines 6949 6950) the Hoare annotation is: true [2018-11-23 08:34:21,485 INFO L448 ceAbstractionStarter]: For program point rtl8150_openEXIT(lines 6910 6970) no Hoare annotation was computed. [2018-11-23 08:34:21,485 INFO L451 ceAbstractionStarter]: At program point L6966(line 6966) the Hoare annotation is: true [2018-11-23 08:34:21,485 INFO L448 ceAbstractionStarter]: For program point L6937-2(lines 6937 6941) no Hoare annotation was computed. [2018-11-23 08:34:21,485 INFO L448 ceAbstractionStarter]: For program point L6937(lines 6937 6941) no Hoare annotation was computed. [2018-11-23 08:34:21,485 INFO L448 ceAbstractionStarter]: For program point L6933-1(lines 6933 6934) no Hoare annotation was computed. [2018-11-23 08:34:21,485 INFO L451 ceAbstractionStarter]: At program point L6933(lines 6933 6934) the Hoare annotation is: true [2018-11-23 08:34:21,485 INFO L451 ceAbstractionStarter]: At program point L6966-1(line 6966) the Hoare annotation is: true [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point L6921-2(lines 6921 6925) no Hoare annotation was computed. [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point L6921(lines 6921 6925) no Hoare annotation was computed. [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point L6967(line 6967) no Hoare annotation was computed. [2018-11-23 08:34:21,486 INFO L451 ceAbstractionStarter]: At program point rtl8150_openENTRY(lines 6910 6970) the Hoare annotation is: true [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point L6926(lines 6926 6930) no Hoare annotation was computed. [2018-11-23 08:34:21,486 INFO L451 ceAbstractionStarter]: At program point L6922(line 6922) the Hoare annotation is: true [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point L6922-1(line 6922) no Hoare annotation was computed. [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point rtl8150_openFINAL(lines 6910 6970) no Hoare annotation was computed. [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point netdev_privFINAL(lines 5728 5735) no Hoare annotation was computed. [2018-11-23 08:34:21,486 INFO L451 ceAbstractionStarter]: At program point netdev_privENTRY(lines 5728 5735) the Hoare annotation is: true [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point netdev_privEXIT(lines 5728 5735) no Hoare annotation was computed. [2018-11-23 08:34:21,486 INFO L451 ceAbstractionStarter]: At program point L5883(line 5883) the Hoare annotation is: true [2018-11-23 08:34:21,486 INFO L451 ceAbstractionStarter]: At program point usb_set_intfdataENTRY(lines 5878 5886) the Hoare annotation is: true [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point usb_set_intfdataFINAL(lines 5878 5886) no Hoare annotation was computed. [2018-11-23 08:34:21,486 INFO L448 ceAbstractionStarter]: For program point usb_set_intfdataEXIT(lines 5878 5886) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point netdev_get_tx_queueEXIT(lines 5719 5727) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L451 ceAbstractionStarter]: At program point netdev_get_tx_queueENTRY(lines 5719 5727) the Hoare annotation is: true [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point netdev_get_tx_queueFINAL(lines 5719 5727) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point set_bitFINAL(lines 5411 5419) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point set_bitEXIT(lines 5411 5419) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L451 ceAbstractionStarter]: At program point set_bitENTRY(lines 5411 5419) the Hoare annotation is: true [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point free_all_urbsEXIT(lines 6304 6314) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L451 ceAbstractionStarter]: At program point free_all_urbsENTRY(lines 6304 6314) the Hoare annotation is: true [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point free_all_urbsFINAL(lines 6304 6314) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_19EXIT(lines 7778 7792) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L451 ceAbstractionStarter]: At program point ldv_usb_register_driver_19ENTRY(lines 7778 7792) the Hoare annotation is: true [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_19FINAL(lines 7778 7792) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point L7789-1(line 7789) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L444 ceAbstractionStarter]: At program point L7789(line 7789) the Hoare annotation is: (or (not (= (_ bv0 32) ~ldv_state_variable_2~0)) (or (not (= ~ref_cnt~0 (_ bv0 32))) (or (not (= ~last_index~0 (_ bv0 32))) (not (= (bvadd ~ldv_state_variable_0~0 (_ bv4294967295 32)) (_ bv0 32))))) (= (bvadd ~ldv_state_variable_1~0 (_ bv4294967295 32)) (_ bv0 32))) [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point rtl8150_suspendFINAL(lines 6620 6639) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point rtl8150_suspendEXIT(lines 6620 6639) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L451 ceAbstractionStarter]: At program point L6630(line 6630) the Hoare annotation is: true [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point L6631(lines 6631 6636) no Hoare annotation was computed. [2018-11-23 08:34:21,492 INFO L448 ceAbstractionStarter]: For program point L6627-1(line 6627) no Hoare annotation was computed. [2018-11-23 08:34:21,493 INFO L451 ceAbstractionStarter]: At program point L6627(line 6627) the Hoare annotation is: true [2018-11-23 08:34:21,493 INFO L451 ceAbstractionStarter]: At program point rtl8150_suspendENTRY(lines 6620 6639) the Hoare annotation is: true [2018-11-23 08:34:21,493 INFO L448 ceAbstractionStarter]: For program point L6630-1(line 6630) no Hoare annotation was computed. [2018-11-23 08:34:21,493 INFO L448 ceAbstractionStarter]: For program point L6631-2(lines 6631 6636) no Hoare annotation was computed. [2018-11-23 08:34:21,493 INFO L451 ceAbstractionStarter]: At program point spin_unlockENTRY(lines 5499 5507) the Hoare annotation is: true [2018-11-23 08:34:21,493 INFO L448 ceAbstractionStarter]: For program point spin_unlockFINAL(lines 5499 5507) no Hoare annotation was computed. [2018-11-23 08:34:21,493 INFO L448 ceAbstractionStarter]: For program point spin_unlockEXIT(lines 5499 5507) no Hoare annotation was computed. [2018-11-23 08:34:21,497 INFO L448 ceAbstractionStarter]: For program point set_registersEXIT(lines 6024 6035) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L451 ceAbstractionStarter]: At program point L6030(line 6030) the Hoare annotation is: true [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point L6030-1(line 6030) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L451 ceAbstractionStarter]: At program point set_registersENTRY(lines 6024 6035) the Hoare annotation is: true [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point set_registersFINAL(lines 6024 6035) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point interface_to_usbdevFINAL(lines 5887 5895) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L451 ceAbstractionStarter]: At program point interface_to_usbdevENTRY(lines 5887 5895) the Hoare annotation is: true [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point interface_to_usbdevEXIT(lines 5887 5895) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point test_and_clear_bitEXIT(lines 5439 5448) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L451 ceAbstractionStarter]: At program point test_and_clear_bitENTRY(lines 5439 5448) the Hoare annotation is: true [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point test_and_clear_bitFINAL(lines 5439 5448) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L451 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 8040 8053) the Hoare annotation is: true [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point L8046(lines 8046 8050) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point L8049-1(lines 8040 8053) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L444 ceAbstractionStarter]: At program point L8049(line 8049) the Hoare annotation is: (not (= ~last_index~0 (_ bv0 32))) [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point L8045-1(line 8045) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L451 ceAbstractionStarter]: At program point L8045(line 8045) the Hoare annotation is: true [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 8040 8053) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point L5606(lines 5606 5613) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 5598 5615) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L451 ceAbstractionStarter]: At program point L5609(line 5609) the Hoare annotation is: true [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point L5609-1(line 5609) no Hoare annotation was computed. [2018-11-23 08:34:21,498 INFO L451 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 5598 5615) the Hoare annotation is: true [2018-11-23 08:34:21,498 INFO L448 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 5598 5615) no Hoare annotation was computed. [2018-11-23 08:34:21,499 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,499 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~last_index~0 (_ bv0 32)) (= ~ref_cnt~0 (_ bv0 32)) (= ~ldv_retval_3~0 (_ bv0 32)) (= ~ldv_state_variable_1~0 (_ bv0 32)) (= ~ldv_state_variable_2~0 (_ bv0 32))) [2018-11-23 08:34:21,499 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:34:21,505 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:34:21,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1,QUANTIFIED] [2018-11-23 08:34:21,517 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1,QUANTIFIED] [2018-11-23 08:34:21,518 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,519 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1,QUANTIFIED] [2018-11-23 08:34:21,519 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1,QUANTIFIED] [2018-11-23 08:34:21,519 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,521 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,521 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,523 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,523 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,652 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,653 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,653 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,653 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:34:21 BoogieIcfgContainer [2018-11-23 08:34:21,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:34:21,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:34:21,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:34:21,656 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:34:21,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:59" (3/4) ... [2018-11-23 08:34:21,660 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:34:21,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_bulk_callback [2018-11-23 08:34:21,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2018-11-23 08:34:21,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_alloc_skb_13 [2018-11-23 08:34:21,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2018-11-23 08:34:21,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_init [2018-11-23 08:34:21,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_tx_wake_queue [2018-11-23 08:34:21,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_reserve [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_tx_timeout [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_tx_start_queue [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure write_mii_word [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_device_present [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure intr_callback [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_wake_queue [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_ioctl [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_probe [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_control_urb [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_make_path [2018-11-23 08:34:21,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure set_ethernet_addr [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_all_urbs [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pull_skb [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure constant_test_bit [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_close [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_int_urb [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_20 [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_alloc [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure set_carrier [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_skb_pool [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_reset [2018-11-23 08:34:21,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_carrier_ok [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ethtool_cmd_speed_set [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_mii_word [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize_ethtool_ops_3 [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_driver_init [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_register_netdev_15 [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_net_device_ops_2 [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_free_netdev_16 [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_free_netdev_14 [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_disconnect [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_free_netdev_18 [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_stop_queue [2018-11-23 08:34:21,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_driver_exit [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_and_set_bit [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure unlink_all_urbs [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free_int [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_netif_rx_12 [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_resume [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_start_queue [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fill_skb_pool [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_add [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_running [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_tx_stop_queue [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tasklet_schedule [2018-11-23 08:34:21,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_is_empty [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure async_set_registers [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_get_settings [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure enable_net_traffic [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_set_mac_address [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_netdev_17 [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_set_drvdata [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_get_drvinfo [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_start_xmit [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_net_traffic [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_set_multicast [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_registers [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_open [2018-11-23 08:34:21,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_get_tx_queue [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure set_bit [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_all_urbs [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_19 [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rtl8150_suspend [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure set_registers [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure interface_to_usbdev [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_and_clear_bit [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-23 08:34:21,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-23 08:34:21,728 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 414 nodes and edges [2018-11-23 08:34:21,731 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 147 nodes and edges [2018-11-23 08:34:21,733 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-11-23 08:34:21,736 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2018-11-23 08:34:21,738 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 08:34:21,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:34:21,742 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:34:21,764 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \old(ldv_retval_3)) || !(\old(last_index) == 0bv32)) || !(0bv32 == \old(ldv_state_variable_2))) || !(\old(ref_cnt) == 0bv32)) || !(0bv32 == \old(ldv_state_variable_1))) || (((((last_index == 0bv32 && ref_cnt == 0bv32) && ~bvadd16(ldv_state_variable_0, 4294967295bv32) == 0bv32) && ldv_retval_3 == 0bv32) && ldv_state_variable_1 == 0bv32) && ldv_state_variable_2 == 0bv32)) || ((~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32 && (last_index == 0bv32 && ref_cnt == 0bv32) && ~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32) && ldv_state_variable_2 == 0bv32)) || (((~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32 && last_index == 0bv32) && ldv_retval_3 == 0bv32) && ldv_state_variable_1 == 0bv32)) || ((((~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32 && !(ref_cnt == 0bv32)) && ldv_retval_3 == 0bv32) && ldv_state_variable_1 == 0bv32) && ldv_state_variable_2 == 0bv32) [2018-11-23 08:34:21,765 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \old(ldv_retval_3)) || !(\old(last_index) == 0bv32)) || !(0bv32 == \old(ldv_state_variable_2))) || !(\old(ref_cnt) == 0bv32)) || !(0bv32 == \old(ldv_state_variable_1))) || last_index == 0bv32 [2018-11-23 08:34:21,765 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32) || !(0bv32 == \old(ldv_state_variable_2))) || !(ref_cnt == 0bv32) || !(\old(last_index) == 0bv32) || !(~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32) [2018-11-23 08:34:21,765 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32) || !(0bv32 == \old(ldv_state_variable_2))) || !(ref_cnt == 0bv32) || !(\old(last_index) == 0bv32) || !(~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32)) || (tmp___3 == 0bv32 && ((((last_index == 0bv32 && ref_cnt == 0bv32) && ~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32) && (\exists v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1 : bv32, v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1 : bv32 :: ~sign_extendFrom16To32(16bv8) == unknown-#memory_int-unknown[v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1][v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1])) || (~bvadd16(ldv_state_variable_2, 4294967295bv32) == 0bv32 && (last_index == 0bv32 && ref_cnt == 0bv32) && ~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32))) [2018-11-23 08:34:21,765 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32) || !(0bv32 == \old(ldv_state_variable_2))) || !(ref_cnt == 0bv32) || !(\old(last_index) == 0bv32) || !(~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32)) || last_index == 0bv32 [2018-11-23 08:34:21,892 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_693d75d3-f05d-4d84-9ed1-b92192c0bd3e/bin-2019/utaipan/witness.graphml [2018-11-23 08:34:21,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:34:21,893 INFO L168 Benchmark]: Toolchain (without parser) took 156615.42 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 939.0 MB in the beginning and 4.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 570.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:21,894 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 08:34:21,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1477.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.0 MB in the beginning and 1.0 GB in the end (delta: -84.9 MB). Peak memory consumption was 128.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:21,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:21,894 INFO L168 Benchmark]: Boogie Preprocessor took 102.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:21,894 INFO L168 Benchmark]: RCFGBuilder took 12344.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.2 MB). Free memory was 995.8 MB in the beginning and 947.1 MB in the end (delta: 48.7 MB). Peak memory consumption was 186.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:21,895 INFO L168 Benchmark]: TraceAbstraction took 142401.45 ms. Allocated memory was 1.3 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 947.1 MB in the beginning and 4.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-23 08:34:21,895 INFO L168 Benchmark]: Witness Printer took 236.61 ms. Allocated memory is still 4.8 GB. Free memory was 4.2 GB in the beginning and 4.2 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:34:21,896 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 1477.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.0 MB in the beginning and 1.0 GB in the end (delta: -84.9 MB). Peak memory consumption was 128.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 12344.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.2 MB). Free memory was 995.8 MB in the beginning and 947.1 MB in the end (delta: 48.7 MB). Peak memory consumption was 186.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 142401.45 ms. Allocated memory was 1.3 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 947.1 MB in the beginning and 4.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 236.61 ms. Allocated memory is still 4.8 GB. Free memory was 4.2 GB in the beginning and 4.2 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5649]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7293]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \old(ldv_retval_3)) || !(\old(last_index) == 0bv32)) || !(0bv32 == \old(ldv_state_variable_2))) || !(\old(ref_cnt) == 0bv32)) || !(0bv32 == \old(ldv_state_variable_1))) || (((((last_index == 0bv32 && ref_cnt == 0bv32) && ~bvadd16(ldv_state_variable_0, 4294967295bv32) == 0bv32) && ldv_retval_3 == 0bv32) && ldv_state_variable_1 == 0bv32) && ldv_state_variable_2 == 0bv32)) || ((~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32 && (last_index == 0bv32 && ref_cnt == 0bv32) && ~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32) && ldv_state_variable_2 == 0bv32)) || (((~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32 && last_index == 0bv32) && ldv_retval_3 == 0bv32) && ldv_state_variable_1 == 0bv32)) || ((((~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32 && !(ref_cnt == 0bv32)) && ldv_retval_3 == 0bv32) && ldv_state_variable_1 == 0bv32) && ldv_state_variable_2 == 0bv32) - InvariantResult [Line: 7105]: Loop Invariant [2018-11-23 08:34:21,901 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1,QUANTIFIED] [2018-11-23 08:34:21,901 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1,QUANTIFIED] [2018-11-23 08:34:21,901 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,901 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1,QUANTIFIED] [2018-11-23 08:34:21,902 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1,QUANTIFIED] [2018-11-23 08:34:21,902 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((!(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32) || !(0bv32 == \old(ldv_state_variable_2))) || !(ref_cnt == 0bv32) || !(\old(last_index) == 0bv32) || !(~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32)) || (tmp___3 == 0bv32 && ((((last_index == 0bv32 && ref_cnt == 0bv32) && ~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32) && (\exists v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1 : bv32, v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1 : bv32 :: ~sign_extendFrom16To32(16bv8) == unknown-#memory_int-unknown[v_rtl8150_reset_~#data~2.base_BEFORE_CALL_1][v_rtl8150_reset_~#data~2.offset_BEFORE_CALL_1])) || (~bvadd16(ldv_state_variable_2, 4294967295bv32) == 0bv32 && (last_index == 0bv32 && ref_cnt == 0bv32) && ~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32))) - InvariantResult [Line: 7871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7105]: Loop Invariant Derived loop invariant: ((!(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32) || !(0bv32 == \old(ldv_state_variable_2))) || !(ref_cnt == 0bv32) || !(\old(last_index) == 0bv32) || !(~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32)) || last_index == 0bv32 - InvariantResult [Line: 6331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6255]: Loop Invariant [2018-11-23 08:34:21,903 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,903 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,904 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,904 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((unknown-#memory_int-unknown[data][data] == ~sign_extendFrom16To32(16bv8) && !(i == 0bv32)) || !(0bv32 == ldv_state_variable_2)) || !(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32)) || !(ref_cnt == 0bv32) || !(last_index == 0bv32) || !(~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32)) && ((((unknown-#memory_int-unknown[data][data] == ~sign_extendFrom16To32(16bv8) || !(0bv32 == ldv_retval_3)) || !(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32)) || !(last_index == 0bv32)) || !(0bv32 == ldv_state_variable_1)) - InvariantResult [Line: 6161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6255]: Loop Invariant [2018-11-23 08:34:21,904 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,904 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,905 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 08:34:21,905 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((!(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32) || !(0bv32 == ldv_state_variable_2)) || !(ref_cnt == 0bv32) || !(last_index == 0bv32) || !(~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32)) || (unknown-#memory_int-unknown[data][data] == ~sign_extendFrom16To32(16bv8) && !~bvsgt32(i, 0bv32))) && ((((unknown-#memory_int-unknown[data][data] == ~sign_extendFrom16To32(16bv8) || !(0bv32 == ldv_retval_3)) || !(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32)) || !(last_index == 0bv32)) || !(0bv32 == ldv_state_variable_1)) - InvariantResult [Line: 7054]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7105]: Loop Invariant Derived loop invariant: (!(~bvadd16(ldv_state_variable_0, 4294967293bv32) == 0bv32) || !(0bv32 == \old(ldv_state_variable_2))) || !(ref_cnt == 0bv32) || !(\old(last_index) == 0bv32) || !(~bvadd16(ldv_state_variable_1, 4294967295bv32) == 0bv32) - InvariantResult [Line: 6370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7293]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \old(ldv_retval_3)) || !(\old(last_index) == 0bv32)) || !(0bv32 == \old(ldv_state_variable_2))) || !(\old(ref_cnt) == 0bv32)) || !(0bv32 == \old(ldv_state_variable_1))) || last_index == 0bv32 - InvariantResult [Line: 6669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7824]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 888 locations, 1 error locations. SAFE Result, 142.2s OverallTime, 22 OverallIterations, 31 TraceHistogramMax, 66.2s AutomataDifference, 0.0s DeadEndRemovalTime, 17.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 30200 SDtfs, 13724 SDslu, 76969 SDs, 0 SdLazy, 5611 SolverSat, 718 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11811 GetRequests, 11655 SyntacticMatches, 8 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40807occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 12.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 22514 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 310 LocationsWithAnnotation, 198064 PreInvPairs, 198277 NumberOfFragments, 2452 HoareAnnotationTreeSize, 198064 FomulaSimplifications, 25269 FormulaSimplificationTreeSizeReduction, 8.2s HoareSimplificationTime, 310 FomulaSimplificationsInter, 65964 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 2.4s SsaConstructionTime, 35.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 8967 NumberOfCodeBlocks, 8967 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 11759 ConstructedInterpolants, 16 QuantifiedInterpolants, 5639120 SizeOfPredicates, 27 NumberOfNonLiveVariables, 55215 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 36 InterpolantComputations, 21 PerfectInterpolantSequences, 21469/22721 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...