./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8_false-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 9510b7848b290b8f46d4ef3490482ae53aafbe1f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 9510b7848b290b8f46d4ef3490482ae53aafbe1f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:38:10,879 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:38:10,880 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:38:10,887 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:38:10,887 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:38:10,888 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:38:10,888 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:38:10,889 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:38:10,890 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:38:10,891 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:38:10,892 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:38:10,892 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:38:10,893 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:38:10,894 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:38:10,895 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:38:10,895 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:38:10,896 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:38:10,897 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:38:10,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:38:10,900 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:38:10,901 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:38:10,902 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:38:10,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:38:10,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:38:10,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:38:10,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:38:10,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:38:10,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:38:10,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:38:10,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:38:10,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:38:10,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:38:10,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:38:10,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:38:10,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:38:10,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:38:10,910 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 00:38:10,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:38:10,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:38:10,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:38:10,920 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:38:10,920 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:38:10,920 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:38:10,920 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:38:10,921 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:38:10,921 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:38:10,921 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:38:10,921 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 00:38:10,921 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:38:10,921 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:38:10,921 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:38:10,922 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:38:10,922 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:38:10,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:38:10,923 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:38:10,923 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:38:10,923 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:38:10,923 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:38:10,923 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:38:10,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:38:10,924 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:38:10,924 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:38:10,924 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:38:10,924 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:38:10,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:38:10,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:38:10,924 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:38:10,925 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:38:10,925 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:38:10,925 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:38:10,925 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:38:10,925 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:38:10,925 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 00:38:10,925 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_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 -> 9510b7848b290b8f46d4ef3490482ae53aafbe1f [2018-11-23 00:38:10,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:38:10,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:38:10,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:38:10,967 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:38:10,967 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:38:10,968 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8_false-unreach-call.cil.out.c [2018-11-23 00:38:11,023 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data/f53b07237/c147bfda908743e3b163967eef8af66d/FLAGf6e54c131 [2018-11-23 00:38:11,541 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:38:11,542 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8_false-unreach-call.cil.out.c [2018-11-23 00:38:11,560 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data/f53b07237/c147bfda908743e3b163967eef8af66d/FLAGf6e54c131 [2018-11-23 00:38:11,803 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data/f53b07237/c147bfda908743e3b163967eef8af66d [2018-11-23 00:38:11,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:38:11,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:38:11,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:11,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:38:11,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:38:11,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:11" (1/1) ... [2018-11-23 00:38:11,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47450167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:11, skipping insertion in model container [2018-11-23 00:38:11,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:11" (1/1) ... [2018-11-23 00:38:11,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:38:11,893 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:38:12,671 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:12,689 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:38:12,817 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:12,883 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:38:12,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12 WrapperNode [2018-11-23 00:38:12,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:12,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:12,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:38:12,884 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:38:12,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... [2018-11-23 00:38:12,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... [2018-11-23 00:38:12,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:12,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:38:12,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:38:12,935 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:38:12,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... [2018-11-23 00:38:12,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... [2018-11-23 00:38:12,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... [2018-11-23 00:38:12,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... [2018-11-23 00:38:12,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... [2018-11-23 00:38:13,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... [2018-11-23 00:38:13,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... [2018-11-23 00:38:13,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:38:13,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:38:13,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:38:13,022 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:38:13,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 00:38:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2018-11-23 00:38:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2018-11-23 00:38:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 00:38:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure aem_msg_handler [2018-11-23 00:38:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_msg_handler [2018-11-23 00:38:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:38:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2018-11-23 00:38:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 00:38:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 00:38:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 00:38:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-23 00:38:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 00:38:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 00:38:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 00:38:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2018-11-23 00:38:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2018-11-23 00:38:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_ipmi_data [2018-11-23 00:38:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_ipmi_data [2018-11-23 00:38:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 00:38:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 00:38:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure aem1_find_sensors [2018-11-23 00:38:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure aem1_find_sensors [2018-11-23 00:38:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2018-11-23 00:38:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2018-11-23 00:38:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2018-11-23 00:38:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 00:38:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure aem_exit [2018-11-23 00:38:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_exit [2018-11-23 00:38:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-23 00:38:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-23 00:38:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2018-11-23 00:38:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2018-11-23 00:38:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 00:38:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 00:38:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 00:38:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init [2018-11-23 00:38:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init [2018-11-23 00:38:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 00:38:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 00:38:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem2_inst [2018-11-23 00:38:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem2_inst [2018-11-23 00:38:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 00:38:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 00:38:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure aem_find_aem1_count [2018-11-23 00:38:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_find_aem1_count [2018-11-23 00:38:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_9 [2018-11-23 00:38:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_9 [2018-11-23 00:38:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 00:38:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 00:38:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure aem_delete [2018-11-23 00:38:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_delete [2018-11-23 00:38:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2018-11-23 00:38:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:38:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:38:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure show_version [2018-11-23 00:38:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure show_version [2018-11-23 00:38:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure aem_bmc_gone [2018-11-23 00:38:13,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_bmc_gone [2018-11-23 00:38:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 00:38:13,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 00:38:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2018-11-23 00:38:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2018-11-23 00:38:13,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2018-11-23 00:38:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2018-11-23 00:38:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 00:38:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_get [2018-11-23 00:38:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_get [2018-11-23 00:38:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2018-11-23 00:38:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-23 00:38:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-23 00:38:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:38:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:38:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_bmc [2018-11-23 00:38:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_bmc [2018-11-23 00:38:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 00:38:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2018-11-23 00:38:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2018-11-23 00:38:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem1 [2018-11-23 00:38:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem1 [2018-11-23 00:38:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem2 [2018-11-23 00:38:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem2 [2018-11-23 00:38:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 00:38:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2018-11-23 00:38:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 00:38:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 00:38:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure aem_find_aem2 [2018-11-23 00:38:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_find_aem2 [2018-11-23 00:38:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2018-11-23 00:38:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_6 [2018-11-23 00:38:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_6 [2018-11-23 00:38:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure idr_pre_get [2018-11-23 00:38:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure aem_send_message [2018-11-23 00:38:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_send_message [2018-11-23 00:38:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 00:38:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2018-11-23 00:38:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2018-11-23 00:38:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure idr_get_new [2018-11-23 00:38:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_sensors [2018-11-23 00:38:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_sensors [2018-11-23 00:38:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 00:38:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 00:38:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 00:38:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem1_inst [2018-11-23 00:38:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem1_inst [2018-11-23 00:38:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_put [2018-11-23 00:38:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_put [2018-11-23 00:38:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2018-11-23 00:38:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_10 [2018-11-23 00:38:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_10 [2018-11-23 00:38:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-23 00:38:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 00:38:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure aem2_find_sensors [2018-11-23 00:38:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure aem2_find_sensors [2018-11-23 00:38:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2018-11-23 00:38:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 00:38:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 00:38:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_12 [2018-11-23 00:38:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_12 [2018-11-23 00:38:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_11 [2018-11-23 00:38:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_11 [2018-11-23 00:38:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 00:38:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 00:38:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 00:38:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 00:38:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:38:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2018-11-23 00:38:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 00:38:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 00:38:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 00:38:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2018-11-23 00:38:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:38:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:38:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure aem_remove_sensors [2018-11-23 00:38:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_remove_sensors [2018-11-23 00:38:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 00:38:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 00:38:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2018-11-23 00:38:15,208 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:38:15,208 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 00:38:15,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:15 BoogieIcfgContainer [2018-11-23 00:38:15,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:38:15,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:38:15,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:38:15,211 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:38:15,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:38:11" (1/3) ... [2018-11-23 00:38:15,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da0be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:38:15, skipping insertion in model container [2018-11-23 00:38:15,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:12" (2/3) ... [2018-11-23 00:38:15,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da0be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:38:15, skipping insertion in model container [2018-11-23 00:38:15,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:15" (3/3) ... [2018-11-23 00:38:15,215 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8_false-unreach-call.cil.out.c [2018-11-23 00:38:15,222 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:38:15,229 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:38:15,242 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:38:15,271 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:38:15,271 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:38:15,271 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:38:15,271 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:38:15,272 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:38:15,272 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:38:15,272 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:38:15,272 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:38:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states. [2018-11-23 00:38:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-23 00:38:15,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:15,314 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:15,316 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:15,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:15,320 INFO L82 PathProgramCache]: Analyzing trace with hash 2122507187, now seen corresponding path program 1 times [2018-11-23 00:38:15,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:15,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:15,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:15,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:15,372 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-11-23 00:38:15,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:15,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:38:15,818 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:15,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:38:15,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:38:15,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:38:15,831 INFO L87 Difference]: Start difference. First operand 423 states. Second operand 3 states. [2018-11-23 00:38:16,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:16,004 INFO L93 Difference]: Finished difference Result 890 states and 1156 transitions. [2018-11-23 00:38:16,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:38:16,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-11-23 00:38:16,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:16,020 INFO L225 Difference]: With dead ends: 890 [2018-11-23 00:38:16,021 INFO L226 Difference]: Without dead ends: 449 [2018-11-23 00:38:16,027 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 00:38:16,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-11-23 00:38:16,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2018-11-23 00:38:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-11-23 00:38:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 572 transitions. [2018-11-23 00:38:16,097 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 572 transitions. Word has length 233 [2018-11-23 00:38:16,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:16,099 INFO L480 AbstractCegarLoop]: Abstraction has 449 states and 572 transitions. [2018-11-23 00:38:16,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:38:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 572 transitions. [2018-11-23 00:38:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-23 00:38:16,106 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:16,107 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:16,107 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:16,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:16,107 INFO L82 PathProgramCache]: Analyzing trace with hash 798411744, now seen corresponding path program 1 times [2018-11-23 00:38:16,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:16,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:16,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:16,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:16,111 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-11-23 00:38:16,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:16,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:38:16,322 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:38:16,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:38:16,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:38:16,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:38:16,325 INFO L87 Difference]: Start difference. First operand 449 states and 572 transitions. Second operand 3 states. [2018-11-23 00:38:16,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:16,366 INFO L93 Difference]: Finished difference Result 851 states and 1091 transitions. [2018-11-23 00:38:16,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:38:16,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2018-11-23 00:38:16,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:16,370 INFO L225 Difference]: With dead ends: 851 [2018-11-23 00:38:16,370 INFO L226 Difference]: Without dead ends: 451 [2018-11-23 00:38:16,372 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 00:38:16,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-11-23 00:38:16,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 450. [2018-11-23 00:38:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-11-23 00:38:16,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 573 transitions. [2018-11-23 00:38:16,399 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 573 transitions. Word has length 249 [2018-11-23 00:38:16,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:16,400 INFO L480 AbstractCegarLoop]: Abstraction has 450 states and 573 transitions. [2018-11-23 00:38:16,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:38:16,400 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 573 transitions. [2018-11-23 00:38:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-23 00:38:16,404 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:16,404 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:16,404 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:16,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:16,405 INFO L82 PathProgramCache]: Analyzing trace with hash 498100903, now seen corresponding path program 1 times [2018-11-23 00:38:16,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:38:16,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:16,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:16,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:16,407 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:38:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-11-23 00:38:16,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:16,676 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:38:16,677 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-11-23 00:38:16,679 INFO L202 CegarAbsIntRunner]: [0], [2], [4], [7], [25], [28], [29], [30], [32], [34], [36], [38], [40], [42], [44], [46], [48], [51], [53], [55], [88], [91], [94], [106], [109], [112], [114], [117], [125], [144], [147], [150], [163], [166], [169], [278], [280], [284], [293], [295], [306], [310], [311], [335], [336], [349], [351], [354], [356], [365], [369], [370], [397], [399], [400], [401], [404], [413], [414], [415], [417], [426], [429], [471], [473], [477], [479], [483], [485], [487], [492], [497], [502], [504], [509], [511], [516], [545], [546], [551], [554], [557], [565], [576], [577], [649], [655], [656], [657], [659], [662], [678], [679], [685], [687], [688], [695], [696], [717], [720], [724], [728], [730], [731], [732], [734], [737], [740], [767], [769], [770], [771], [772], [781], [782], [783], [784], [785], [786], [787], [788], [789], [790], [791], [792], [793], [794], [795], [796], [797], [798], [799], [800], [801], [802], [803], [804], [811], [812], [817], [831], [832], [833], [837], [838], [839], [849], [850], [851], [855], [856], [857], [869], [870], [871], [872], [873], [874], [875], [876], [877], [909], [910], [911], [913], [914], [923], [924], [925], [927], [928], [929], [930], [931], [935], [936] [2018-11-23 00:38:16,717 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:38:16,717 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:38:17,173 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 00:38:17,177 INFO L168 Benchmark]: Toolchain (without parser) took 5370.53 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 362.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 202.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:17,178 INFO L168 Benchmark]: CDTParser took 0.18 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 00:38:17,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1076.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:17,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:17,180 INFO L168 Benchmark]: Boogie Preprocessor took 86.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:17,181 INFO L168 Benchmark]: RCFGBuilder took 2186.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.9 MB). Peak memory consumption was 256.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:17,181 INFO L168 Benchmark]: TraceAbstraction took 1967.14 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 112.2 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Peak memory consumption was 178.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:17,185 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 1076.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2186.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.9 MB). Peak memory consumption was 256.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1967.14 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 112.2 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Peak memory consumption was 178.3 MB. 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 00:38:18,876 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:38:18,877 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:38:18,886 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:38:18,886 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:38:18,887 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:38:18,888 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:38:18,889 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:38:18,890 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:38:18,891 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:38:18,892 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:38:18,892 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:38:18,893 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:38:18,893 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:38:18,894 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:38:18,895 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:38:18,895 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:38:18,897 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:38:18,898 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:38:18,899 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:38:18,900 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:38:18,901 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:38:18,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:38:18,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:38:18,903 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:38:18,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:38:18,904 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:38:18,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:38:18,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:38:18,906 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:38:18,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:38:18,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:38:18,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:38:18,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:38:18,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:38:18,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:38:18,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 00:38:18,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:38:18,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:38:18,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:38:18,920 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:38:18,920 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:38:18,921 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:38:18,921 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:38:18,921 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:38:18,921 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:38:18,921 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:38:18,922 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:38:18,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:38:18,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:38:18,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:38:18,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:38:18,922 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 00:38:18,923 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 00:38:18,923 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:38:18,923 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:38:18,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:38:18,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:38:18,923 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:38:18,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:38:18,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:38:18,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:38:18,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:38:18,924 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:38:18,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:38:18,924 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 00:38:18,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:38:18,924 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 00:38:18,925 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 00:38:18,925 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_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 -> 9510b7848b290b8f46d4ef3490482ae53aafbe1f [2018-11-23 00:38:18,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:38:18,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:38:18,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:38:18,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:38:18,969 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:38:18,970 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8_false-unreach-call.cil.out.c [2018-11-23 00:38:19,007 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data/77c969fc3/a40c9b16bb0946ebbca7f215f0ab52a6/FLAG967a8607e [2018-11-23 00:38:19,550 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:38:19,551 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8_false-unreach-call.cil.out.c [2018-11-23 00:38:19,569 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data/77c969fc3/a40c9b16bb0946ebbca7f215f0ab52a6/FLAG967a8607e [2018-11-23 00:38:19,988 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/data/77c969fc3/a40c9b16bb0946ebbca7f215f0ab52a6 [2018-11-23 00:38:19,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:38:19,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:38:19,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:19,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:38:19,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:38:19,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:19" (1/1) ... [2018-11-23 00:38:19,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3edcb592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:19, skipping insertion in model container [2018-11-23 00:38:19,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:19" (1/1) ... [2018-11-23 00:38:20,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:38:20,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:38:20,871 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:20,895 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:38:21,048 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:21,156 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:38:21,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21 WrapperNode [2018-11-23 00:38:21,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:21,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:21,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:38:21,157 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:38:21,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... [2018-11-23 00:38:21,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... [2018-11-23 00:38:21,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:21,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:38:21,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:38:21,205 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:38:21,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... [2018-11-23 00:38:21,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... [2018-11-23 00:38:21,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... [2018-11-23 00:38:21,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... [2018-11-23 00:38:21,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... [2018-11-23 00:38:21,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... [2018-11-23 00:38:21,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... [2018-11-23 00:38:21,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:38:21,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:38:21,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:38:21,291 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:38:21,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 00:38:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2018-11-23 00:38:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2018-11-23 00:38:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 00:38:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure aem_msg_handler [2018-11-23 00:38:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_msg_handler [2018-11-23 00:38:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 00:38:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:38:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2018-11-23 00:38:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 00:38:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 00:38:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 00:38:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 00:38:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 00:38:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-23 00:38:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 00:38:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 00:38:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2018-11-23 00:38:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2018-11-23 00:38:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_ipmi_data [2018-11-23 00:38:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_ipmi_data [2018-11-23 00:38:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 00:38:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 00:38:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure aem1_find_sensors [2018-11-23 00:38:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure aem1_find_sensors [2018-11-23 00:38:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2018-11-23 00:38:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2018-11-23 00:38:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2018-11-23 00:38:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 00:38:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure aem_exit [2018-11-23 00:38:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_exit [2018-11-23 00:38:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-23 00:38:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-23 00:38:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2018-11-23 00:38:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2018-11-23 00:38:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 00:38:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 00:38:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init [2018-11-23 00:38:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init [2018-11-23 00:38:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 00:38:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 00:38:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 00:38:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 00:38:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 00:38:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 00:38:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem2_inst [2018-11-23 00:38:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem2_inst [2018-11-23 00:38:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 00:38:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 00:38:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure aem_find_aem1_count [2018-11-23 00:38:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_find_aem1_count [2018-11-23 00:38:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_9 [2018-11-23 00:38:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_9 [2018-11-23 00:38:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 00:38:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 00:38:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure aem_delete [2018-11-23 00:38:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_delete [2018-11-23 00:38:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2018-11-23 00:38:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:38:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:38:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure show_version [2018-11-23 00:38:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure show_version [2018-11-23 00:38:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure aem_bmc_gone [2018-11-23 00:38:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_bmc_gone [2018-11-23 00:38:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 00:38:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 00:38:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2018-11-23 00:38:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2018-11-23 00:38:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2018-11-23 00:38:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2018-11-23 00:38:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 00:38:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_get [2018-11-23 00:38:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_get [2018-11-23 00:38:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2018-11-23 00:38:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-23 00:38:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-23 00:38:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:38:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:38:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_bmc [2018-11-23 00:38:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_bmc [2018-11-23 00:38:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 00:38:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2018-11-23 00:38:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2018-11-23 00:38:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem1 [2018-11-23 00:38:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem1 [2018-11-23 00:38:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem2 [2018-11-23 00:38:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem2 [2018-11-23 00:38:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 00:38:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2018-11-23 00:38:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 00:38:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 00:38:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure aem_find_aem2 [2018-11-23 00:38:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_find_aem2 [2018-11-23 00:38:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2018-11-23 00:38:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_6 [2018-11-23 00:38:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_6 [2018-11-23 00:38:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure idr_pre_get [2018-11-23 00:38:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure aem_send_message [2018-11-23 00:38:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_send_message [2018-11-23 00:38:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 00:38:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2018-11-23 00:38:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 00:38:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2018-11-23 00:38:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 00:38:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 00:38:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure idr_get_new [2018-11-23 00:38:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_sensors [2018-11-23 00:38:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_sensors [2018-11-23 00:38:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 00:38:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 00:38:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 00:38:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 00:38:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem1_inst [2018-11-23 00:38:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem1_inst [2018-11-23 00:38:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 00:38:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 00:38:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_put [2018-11-23 00:38:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_put [2018-11-23 00:38:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-23 00:38:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2018-11-23 00:38:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_10 [2018-11-23 00:38:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_10 [2018-11-23 00:38:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-23 00:38:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 00:38:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure aem2_find_sensors [2018-11-23 00:38:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure aem2_find_sensors [2018-11-23 00:38:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2018-11-23 00:38:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 00:38:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 00:38:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_12 [2018-11-23 00:38:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_12 [2018-11-23 00:38:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_11 [2018-11-23 00:38:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_11 [2018-11-23 00:38:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 00:38:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 00:38:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 00:38:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 00:38:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2018-11-23 00:38:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 00:38:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 00:38:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 00:38:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2018-11-23 00:38:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:38:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:38:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure aem_remove_sensors [2018-11-23 00:38:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_remove_sensors [2018-11-23 00:38:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 00:38:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 00:38:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2018-11-23 00:38:31,031 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:38:31,031 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 00:38:31,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:31 BoogieIcfgContainer [2018-11-23 00:38:31,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:38:31,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:38:31,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:38:31,034 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:38:31,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:38:19" (1/3) ... [2018-11-23 00:38:31,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc3ef19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:38:31, skipping insertion in model container [2018-11-23 00:38:31,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:21" (2/3) ... [2018-11-23 00:38:31,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc3ef19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:38:31, skipping insertion in model container [2018-11-23 00:38:31,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:31" (3/3) ... [2018-11-23 00:38:31,037 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8_false-unreach-call.cil.out.c [2018-11-23 00:38:31,043 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:38:31,049 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:38:31,059 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:38:31,083 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:38:31,084 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:38:31,084 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:38:31,084 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:38:31,084 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:38:31,084 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:38:31,084 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:38:31,084 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:38:31,085 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:38:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states. [2018-11-23 00:38:31,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-23 00:38:31,118 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:31,119 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:31,120 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:31,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:31,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1810059065, now seen corresponding path program 1 times [2018-11-23 00:38:31,129 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:31,130 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:31,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:31,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-11-23 00:38:31,747 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:31,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:31,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:38:31,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:38:31,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:38:31,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:38:31,767 INFO L87 Difference]: Start difference. First operand 423 states. Second operand 3 states. [2018-11-23 00:38:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:32,040 INFO L93 Difference]: Finished difference Result 888 states and 1157 transitions. [2018-11-23 00:38:32,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:38:32,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-11-23 00:38:32,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:32,056 INFO L225 Difference]: With dead ends: 888 [2018-11-23 00:38:32,057 INFO L226 Difference]: Without dead ends: 447 [2018-11-23 00:38:32,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 231 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 00:38:32,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-11-23 00:38:32,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2018-11-23 00:38:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-11-23 00:38:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 568 transitions. [2018-11-23 00:38:32,134 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 568 transitions. Word has length 233 [2018-11-23 00:38:32,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:32,135 INFO L480 AbstractCegarLoop]: Abstraction has 447 states and 568 transitions. [2018-11-23 00:38:32,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:38:32,136 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 568 transitions. [2018-11-23 00:38:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-23 00:38:32,142 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:32,142 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:32,142 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:32,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:32,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1287162932, now seen corresponding path program 1 times [2018-11-23 00:38:32,145 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:32,145 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:32,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:32,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-11-23 00:38:32,814 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:32,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:32,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:38:32,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:38:32,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:38:32,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:38:32,820 INFO L87 Difference]: Start difference. First operand 447 states and 568 transitions. Second operand 5 states. [2018-11-23 00:38:33,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:33,658 INFO L93 Difference]: Finished difference Result 854 states and 1088 transitions. [2018-11-23 00:38:33,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:38:33,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 250 [2018-11-23 00:38:33,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:33,664 INFO L225 Difference]: With dead ends: 854 [2018-11-23 00:38:33,665 INFO L226 Difference]: Without dead ends: 446 [2018-11-23 00:38:33,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 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 00:38:33,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-11-23 00:38:33,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 437. [2018-11-23 00:38:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-11-23 00:38:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 553 transitions. [2018-11-23 00:38:33,709 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 553 transitions. Word has length 250 [2018-11-23 00:38:33,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:33,709 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 553 transitions. [2018-11-23 00:38:33,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:38:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 553 transitions. [2018-11-23 00:38:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-23 00:38:33,714 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:33,714 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:33,715 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:33,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:33,715 INFO L82 PathProgramCache]: Analyzing trace with hash -262632958, now seen corresponding path program 1 times [2018-11-23 00:38:33,716 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:33,716 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:33,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:34,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2018-11-23 00:38:34,208 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:34,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:34,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:38:34,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:38:34,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:38:34,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:38:34,213 INFO L87 Difference]: Start difference. First operand 437 states and 553 transitions. Second operand 5 states. [2018-11-23 00:38:34,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:34,268 INFO L93 Difference]: Finished difference Result 831 states and 1057 transitions. [2018-11-23 00:38:34,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:38:34,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 250 [2018-11-23 00:38:34,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:34,273 INFO L225 Difference]: With dead ends: 831 [2018-11-23 00:38:34,273 INFO L226 Difference]: Without dead ends: 443 [2018-11-23 00:38:34,274 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 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 00:38:34,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-11-23 00:38:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 441. [2018-11-23 00:38:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-11-23 00:38:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 559 transitions. [2018-11-23 00:38:34,296 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 559 transitions. Word has length 250 [2018-11-23 00:38:34,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:34,297 INFO L480 AbstractCegarLoop]: Abstraction has 441 states and 559 transitions. [2018-11-23 00:38:34,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:38:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 559 transitions. [2018-11-23 00:38:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-23 00:38:34,299 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:34,300 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:34,300 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:34,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:34,300 INFO L82 PathProgramCache]: Analyzing trace with hash 413059651, now seen corresponding path program 1 times [2018-11-23 00:38:34,301 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:34,301 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:34,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:34,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:34,833 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2018-11-23 00:38:34,833 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:34,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:34,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:38:34,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:38:34,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:38:34,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:38:34,837 INFO L87 Difference]: Start difference. First operand 441 states and 559 transitions. Second operand 5 states. [2018-11-23 00:38:34,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:34,880 INFO L93 Difference]: Finished difference Result 840 states and 1071 transitions. [2018-11-23 00:38:34,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:38:34,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 250 [2018-11-23 00:38:34,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:34,885 INFO L225 Difference]: With dead ends: 840 [2018-11-23 00:38:34,885 INFO L226 Difference]: Without dead ends: 448 [2018-11-23 00:38:34,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 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 00:38:34,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-11-23 00:38:34,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 445. [2018-11-23 00:38:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-11-23 00:38:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 564 transitions. [2018-11-23 00:38:34,903 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 564 transitions. Word has length 250 [2018-11-23 00:38:34,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:34,904 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 564 transitions. [2018-11-23 00:38:34,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:38:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 564 transitions. [2018-11-23 00:38:34,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-23 00:38:34,906 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:34,907 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:34,907 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:34,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:34,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1647209042, now seen corresponding path program 1 times [2018-11-23 00:38:34,908 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:34,909 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:34,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:35,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:35,489 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2018-11-23 00:38:35,489 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:35,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:35,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:38:35,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:38:35,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:38:35,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:38:35,493 INFO L87 Difference]: Start difference. First operand 445 states and 564 transitions. Second operand 5 states. [2018-11-23 00:38:35,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:35,540 INFO L93 Difference]: Finished difference Result 847 states and 1078 transitions. [2018-11-23 00:38:35,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:38:35,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271 [2018-11-23 00:38:35,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:35,543 INFO L225 Difference]: With dead ends: 847 [2018-11-23 00:38:35,543 INFO L226 Difference]: Without dead ends: 451 [2018-11-23 00:38:35,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 267 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 00:38:35,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-11-23 00:38:35,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 449. [2018-11-23 00:38:35,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-11-23 00:38:35,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 568 transitions. [2018-11-23 00:38:35,561 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 568 transitions. Word has length 271 [2018-11-23 00:38:35,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:35,562 INFO L480 AbstractCegarLoop]: Abstraction has 449 states and 568 transitions. [2018-11-23 00:38:35,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:38:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 568 transitions. [2018-11-23 00:38:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-23 00:38:35,565 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:35,565 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:35,565 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:35,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:35,565 INFO L82 PathProgramCache]: Analyzing trace with hash -525069163, now seen corresponding path program 1 times [2018-11-23 00:38:35,566 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:35,567 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:35,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:36,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2018-11-23 00:38:36,286 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:36,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:36,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:38:36,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:38:36,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:38:36,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:38:36,290 INFO L87 Difference]: Start difference. First operand 449 states and 568 transitions. Second operand 5 states. [2018-11-23 00:38:36,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:36,324 INFO L93 Difference]: Finished difference Result 855 states and 1086 transitions. [2018-11-23 00:38:36,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:38:36,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 273 [2018-11-23 00:38:36,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:36,327 INFO L225 Difference]: With dead ends: 855 [2018-11-23 00:38:36,327 INFO L226 Difference]: Without dead ends: 455 [2018-11-23 00:38:36,329 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 269 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 00:38:36,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-11-23 00:38:36,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 449. [2018-11-23 00:38:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-11-23 00:38:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 568 transitions. [2018-11-23 00:38:36,342 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 568 transitions. Word has length 273 [2018-11-23 00:38:36,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:36,343 INFO L480 AbstractCegarLoop]: Abstraction has 449 states and 568 transitions. [2018-11-23 00:38:36,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:38:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 568 transitions. [2018-11-23 00:38:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-23 00:38:36,345 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:36,345 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:36,345 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:36,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:36,346 INFO L82 PathProgramCache]: Analyzing trace with hash -623506662, now seen corresponding path program 1 times [2018-11-23 00:38:36,347 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:36,347 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:36,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:36,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:36,813 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2018-11-23 00:38:36,813 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:36,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:36,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:38:36,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:38:36,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:38:36,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:38:36,818 INFO L87 Difference]: Start difference. First operand 449 states and 568 transitions. Second operand 3 states. [2018-11-23 00:38:36,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:36,853 INFO L93 Difference]: Finished difference Result 850 states and 1083 transitions. [2018-11-23 00:38:36,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:38:36,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2018-11-23 00:38:36,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:36,856 INFO L225 Difference]: With dead ends: 850 [2018-11-23 00:38:36,857 INFO L226 Difference]: Without dead ends: 450 [2018-11-23 00:38:36,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 273 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 00:38:36,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-11-23 00:38:36,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2018-11-23 00:38:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-11-23 00:38:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 569 transitions. [2018-11-23 00:38:36,876 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 569 transitions. Word has length 275 [2018-11-23 00:38:36,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:36,877 INFO L480 AbstractCegarLoop]: Abstraction has 450 states and 569 transitions. [2018-11-23 00:38:36,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:38:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 569 transitions. [2018-11-23 00:38:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-23 00:38:36,879 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:36,879 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2018-11-23 00:38:36,880 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:36,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:36,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1910494551, now seen corresponding path program 1 times [2018-11-23 00:38:36,881 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:36,881 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:36,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:37,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-11-23 00:38:37,605 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:37,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:37,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:38:37,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:38:37,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:38:37,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:38:37,610 INFO L87 Difference]: Start difference. First operand 450 states and 569 transitions. Second operand 5 states. [2018-11-23 00:38:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:37,660 INFO L93 Difference]: Finished difference Result 860 states and 1093 transitions. [2018-11-23 00:38:37,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:38:37,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 272 [2018-11-23 00:38:37,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:37,665 INFO L225 Difference]: With dead ends: 860 [2018-11-23 00:38:37,665 INFO L226 Difference]: Without dead ends: 459 [2018-11-23 00:38:37,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 268 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 00:38:37,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-11-23 00:38:37,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 452. [2018-11-23 00:38:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2018-11-23 00:38:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 571 transitions. [2018-11-23 00:38:37,685 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 571 transitions. Word has length 272 [2018-11-23 00:38:37,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:37,686 INFO L480 AbstractCegarLoop]: Abstraction has 452 states and 571 transitions. [2018-11-23 00:38:37,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:38:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 571 transitions. [2018-11-23 00:38:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-23 00:38:37,688 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:37,689 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 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] [2018-11-23 00:38:37,689 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:37,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:37,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1936100576, now seen corresponding path program 1 times [2018-11-23 00:38:37,691 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:37,691 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:37,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:38,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2018-11-23 00:38:38,454 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:38,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:38,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:38:38,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:38:38,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:38:38,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:38:38,460 INFO L87 Difference]: Start difference. First operand 452 states and 571 transitions. Second operand 5 states. [2018-11-23 00:38:38,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:38,506 INFO L93 Difference]: Finished difference Result 860 states and 1092 transitions. [2018-11-23 00:38:38,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:38:38,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 276 [2018-11-23 00:38:38,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:38,509 INFO L225 Difference]: With dead ends: 860 [2018-11-23 00:38:38,510 INFO L226 Difference]: Without dead ends: 457 [2018-11-23 00:38:38,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 272 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 00:38:38,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-23 00:38:38,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 454. [2018-11-23 00:38:38,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2018-11-23 00:38:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 573 transitions. [2018-11-23 00:38:38,524 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 573 transitions. Word has length 276 [2018-11-23 00:38:38,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:38,525 INFO L480 AbstractCegarLoop]: Abstraction has 454 states and 573 transitions. [2018-11-23 00:38:38,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:38:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 573 transitions. [2018-11-23 00:38:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-23 00:38:38,527 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:38,527 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2018-11-23 00:38:38,527 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:38,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:38,527 INFO L82 PathProgramCache]: Analyzing trace with hash -277690552, now seen corresponding path program 1 times [2018-11-23 00:38:38,529 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:38,529 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/cvc4nyu Starting monitored process 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 00:38:38,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:39,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-11-23 00:38:39,999 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:40,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:40,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:38:40,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:38:40,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:38:40,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:38:40,004 INFO L87 Difference]: Start difference. First operand 454 states and 573 transitions. Second operand 6 states. [2018-11-23 00:38:40,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:40,123 INFO L93 Difference]: Finished difference Result 877 states and 1108 transitions. [2018-11-23 00:38:40,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:38:40,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 272 [2018-11-23 00:38:40,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:40,126 INFO L225 Difference]: With dead ends: 877 [2018-11-23 00:38:40,126 INFO L226 Difference]: Without dead ends: 455 [2018-11-23 00:38:40,127 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:38:40,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-11-23 00:38:40,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2018-11-23 00:38:40,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-11-23 00:38:40,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 574 transitions. [2018-11-23 00:38:40,136 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 574 transitions. Word has length 272 [2018-11-23 00:38:40,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:40,136 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 574 transitions. [2018-11-23 00:38:40,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:38:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 574 transitions. [2018-11-23 00:38:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-23 00:38:40,138 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:40,138 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2018-11-23 00:38:40,138 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:40,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:40,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1091151298, now seen corresponding path program 1 times [2018-11-23 00:38:40,139 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:40,140 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:40,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:41,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2018-11-23 00:38:41,552 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:38:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2018-11-23 00:38:42,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:42,078 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:38:42,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:42,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2018-11-23 00:38:42,607 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:42,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:38:42,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 7] total 14 [2018-11-23 00:38:42,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 00:38:42,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 00:38:42,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-11-23 00:38:42,635 INFO L87 Difference]: Start difference. First operand 455 states and 574 transitions. Second operand 14 states. [2018-11-23 00:38:42,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:42,914 INFO L93 Difference]: Finished difference Result 885 states and 1119 transitions. [2018-11-23 00:38:42,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 00:38:42,915 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 273 [2018-11-23 00:38:42,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:42,917 INFO L225 Difference]: With dead ends: 885 [2018-11-23 00:38:42,917 INFO L226 Difference]: Without dead ends: 462 [2018-11-23 00:38:42,918 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 804 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-23 00:38:42,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2018-11-23 00:38:42,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2018-11-23 00:38:42,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2018-11-23 00:38:42,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 579 transitions. [2018-11-23 00:38:42,933 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 579 transitions. Word has length 273 [2018-11-23 00:38:42,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:42,934 INFO L480 AbstractCegarLoop]: Abstraction has 460 states and 579 transitions. [2018-11-23 00:38:42,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 00:38:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 579 transitions. [2018-11-23 00:38:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-23 00:38:42,936 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:42,936 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 4, 3, 3, 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] [2018-11-23 00:38:42,936 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:42,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:42,937 INFO L82 PathProgramCache]: Analyzing trace with hash -539507953, now seen corresponding path program 1 times [2018-11-23 00:38:42,938 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:42,938 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:42,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:44,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2018-11-23 00:38:44,532 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:38:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2018-11-23 00:38:44,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:44,827 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:38:44,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:45,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:45,378 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-11-23 00:38:45,379 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:45,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:38:45,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2018-11-23 00:38:45,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 00:38:45,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 00:38:45,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-11-23 00:38:45,406 INFO L87 Difference]: Start difference. First operand 460 states and 579 transitions. Second operand 16 states. [2018-11-23 00:38:45,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:45,749 INFO L93 Difference]: Finished difference Result 895 states and 1129 transitions. [2018-11-23 00:38:45,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 00:38:45,750 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 278 [2018-11-23 00:38:45,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:45,752 INFO L225 Difference]: With dead ends: 895 [2018-11-23 00:38:45,752 INFO L226 Difference]: Without dead ends: 467 [2018-11-23 00:38:45,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 834 GetRequests, 817 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-11-23 00:38:45,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-11-23 00:38:45,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 461. [2018-11-23 00:38:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-11-23 00:38:45,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 580 transitions. [2018-11-23 00:38:45,763 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 580 transitions. Word has length 278 [2018-11-23 00:38:45,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:45,764 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 580 transitions. [2018-11-23 00:38:45,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 00:38:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 580 transitions. [2018-11-23 00:38:45,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-23 00:38:45,766 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:45,766 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 6, 3, 3, 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] [2018-11-23 00:38:45,766 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:45,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:45,767 INFO L82 PathProgramCache]: Analyzing trace with hash 46480941, now seen corresponding path program 1 times [2018-11-23 00:38:45,768 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:45,768 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/cvc4nyu Starting monitored process 16 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 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 00:38:45,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:46,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-11-23 00:38:46,278 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:46,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:46,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:38:46,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:38:46,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:38:46,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:38:46,282 INFO L87 Difference]: Start difference. First operand 461 states and 580 transitions. Second operand 3 states. [2018-11-23 00:38:46,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:46,322 INFO L93 Difference]: Finished difference Result 871 states and 1104 transitions. [2018-11-23 00:38:46,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:38:46,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2018-11-23 00:38:46,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:46,324 INFO L225 Difference]: With dead ends: 871 [2018-11-23 00:38:46,324 INFO L226 Difference]: Without dead ends: 462 [2018-11-23 00:38:46,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 279 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 00:38:46,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2018-11-23 00:38:46,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2018-11-23 00:38:46,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-11-23 00:38:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 581 transitions. [2018-11-23 00:38:46,341 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 581 transitions. Word has length 281 [2018-11-23 00:38:46,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:46,341 INFO L480 AbstractCegarLoop]: Abstraction has 462 states and 581 transitions. [2018-11-23 00:38:46,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:38:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 581 transitions. [2018-11-23 00:38:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-23 00:38:46,344 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:46,344 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 6, 3, 3, 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] [2018-11-23 00:38:46,344 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:46,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:46,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1986913105, now seen corresponding path program 1 times [2018-11-23 00:38:46,346 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:46,346 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:46,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:47,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:48,001 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-11-23 00:38:48,001 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:38:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2018-11-23 00:38:48,377 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:38:48,377 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:38:48,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:48,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-11-23 00:38:48,881 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:48,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:38:48,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 9] total 16 [2018-11-23 00:38:48,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 00:38:48,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 00:38:48,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2018-11-23 00:38:48,924 INFO L87 Difference]: Start difference. First operand 462 states and 581 transitions. Second operand 16 states. [2018-11-23 00:38:49,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:49,396 INFO L93 Difference]: Finished difference Result 895 states and 1130 transitions. [2018-11-23 00:38:49,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 00:38:49,397 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 281 [2018-11-23 00:38:49,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:49,399 INFO L225 Difference]: With dead ends: 895 [2018-11-23 00:38:49,399 INFO L226 Difference]: Without dead ends: 465 [2018-11-23 00:38:49,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 826 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-11-23 00:38:49,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-11-23 00:38:49,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 464. [2018-11-23 00:38:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-11-23 00:38:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 583 transitions. [2018-11-23 00:38:49,415 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 583 transitions. Word has length 281 [2018-11-23 00:38:49,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:49,415 INFO L480 AbstractCegarLoop]: Abstraction has 464 states and 583 transitions. [2018-11-23 00:38:49,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 00:38:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 583 transitions. [2018-11-23 00:38:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-23 00:38:49,418 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:49,418 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 3, 3, 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] [2018-11-23 00:38:49,418 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:49,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:49,419 INFO L82 PathProgramCache]: Analyzing trace with hash -647141861, now seen corresponding path program 1 times [2018-11-23 00:38:49,420 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:49,420 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/cvc4nyu Starting monitored process 19 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 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 00:38:49,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:50,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-23 00:38:51,052 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:38:51,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:51,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:38:51,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:38:51,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:38:51,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:38:51,059 INFO L87 Difference]: Start difference. First operand 464 states and 583 transitions. Second operand 7 states. [2018-11-23 00:38:51,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:51,250 INFO L93 Difference]: Finished difference Result 884 states and 1117 transitions. [2018-11-23 00:38:51,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:38:51,252 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 284 [2018-11-23 00:38:51,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:38:51,253 INFO L225 Difference]: With dead ends: 884 [2018-11-23 00:38:51,254 INFO L226 Difference]: Without dead ends: 473 [2018-11-23 00:38:51,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:38:51,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-11-23 00:38:51,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2018-11-23 00:38:51,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2018-11-23 00:38:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 591 transitions. [2018-11-23 00:38:51,268 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 591 transitions. Word has length 284 [2018-11-23 00:38:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:38:51,268 INFO L480 AbstractCegarLoop]: Abstraction has 471 states and 591 transitions. [2018-11-23 00:38:51,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:38:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 591 transitions. [2018-11-23 00:38:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-23 00:38:51,272 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:38:51,272 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 8, 3, 3, 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] [2018-11-23 00:38:51,273 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:38:51,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:51,273 INFO L82 PathProgramCache]: Analyzing trace with hash 849510680, now seen corresponding path program 1 times [2018-11-23 00:38:51,274 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:38:51,274 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:38:51,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:52,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:38:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-11-23 00:38:53,047 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:38:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2018-11-23 00:38:53,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:38:53,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-11-23 00:38:53,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 00:38:53,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 00:38:53,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-11-23 00:38:53,390 INFO L87 Difference]: Start difference. First operand 471 states and 591 transitions. Second operand 12 states. [2018-11-23 00:40:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:40:29,184 INFO L93 Difference]: Finished difference Result 1793 states and 2358 transitions. [2018-11-23 00:40:29,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:40:29,185 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 288 [2018-11-23 00:40:29,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:40:29,190 INFO L225 Difference]: With dead ends: 1793 [2018-11-23 00:40:29,190 INFO L226 Difference]: Without dead ends: 1790 [2018-11-23 00:40:29,191 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2018-11-23 00:40:29,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2018-11-23 00:40:29,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1714. [2018-11-23 00:40:29,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1714 states. [2018-11-23 00:40:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2234 transitions. [2018-11-23 00:40:29,287 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2234 transitions. Word has length 288 [2018-11-23 00:40:29,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:40:29,288 INFO L480 AbstractCegarLoop]: Abstraction has 1714 states and 2234 transitions. [2018-11-23 00:40:29,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 00:40:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2234 transitions. [2018-11-23 00:40:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-23 00:40:29,291 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:40:29,291 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:40:29,291 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:40:29,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:40:29,291 INFO L82 PathProgramCache]: Analyzing trace with hash -636082931, now seen corresponding path program 1 times [2018-11-23 00:40:29,292 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:40:29,293 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:40:29,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:40:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:40:31,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:40:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2018-11-23 00:40:31,505 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:40:31,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:40:31,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 00:40:31,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:40:31,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:40:31,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:40:31,513 INFO L87 Difference]: Start difference. First operand 1714 states and 2234 transitions. Second operand 8 states. [2018-11-23 00:40:31,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:40:31,739 INFO L93 Difference]: Finished difference Result 3403 states and 4469 transitions. [2018-11-23 00:40:31,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 00:40:31,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 334 [2018-11-23 00:40:31,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:40:31,746 INFO L225 Difference]: With dead ends: 3403 [2018-11-23 00:40:31,747 INFO L226 Difference]: Without dead ends: 1742 [2018-11-23 00:40:31,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:40:31,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2018-11-23 00:40:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1731. [2018-11-23 00:40:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-11-23 00:40:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2255 transitions. [2018-11-23 00:40:31,840 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2255 transitions. Word has length 334 [2018-11-23 00:40:31,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:40:31,841 INFO L480 AbstractCegarLoop]: Abstraction has 1731 states and 2255 transitions. [2018-11-23 00:40:31,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:40:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2255 transitions. [2018-11-23 00:40:31,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-23 00:40:31,844 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:40:31,844 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:40:31,844 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:40:31,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:40:31,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1322273384, now seen corresponding path program 1 times [2018-11-23 00:40:31,845 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:40:31,846 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:40:31,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:40:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:40:32,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:40:32,373 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-23 00:40:32,373 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:40:32,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:40:32,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:40:32,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:40:32,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:40:32,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:40:32,377 INFO L87 Difference]: Start difference. First operand 1731 states and 2255 transitions. Second operand 5 states. [2018-11-23 00:40:32,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:40:32,449 INFO L93 Difference]: Finished difference Result 3445 states and 4519 transitions. [2018-11-23 00:40:32,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:40:32,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 354 [2018-11-23 00:40:32,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:40:32,455 INFO L225 Difference]: With dead ends: 3445 [2018-11-23 00:40:32,456 INFO L226 Difference]: Without dead ends: 1767 [2018-11-23 00:40:32,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 350 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 00:40:32,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2018-11-23 00:40:32,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1760. [2018-11-23 00:40:32,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1760 states. [2018-11-23 00:40:32,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2287 transitions. [2018-11-23 00:40:32,512 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2287 transitions. Word has length 354 [2018-11-23 00:40:32,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:40:32,512 INFO L480 AbstractCegarLoop]: Abstraction has 1760 states and 2287 transitions. [2018-11-23 00:40:32,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:40:32,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2287 transitions. [2018-11-23 00:40:32,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-23 00:40:32,514 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:40:32,515 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:40:32,515 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:40:32,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:40:32,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1164448532, now seen corresponding path program 1 times [2018-11-23 00:40:32,516 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:40:32,516 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/cvc4nyu Starting monitored process 23 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 23 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 00:40:32,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:40:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:40:35,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:40:35,767 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 treesize of output 6 [2018-11-23 00:40:35,768 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 00:40:35,771 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:40:35,771 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2018-11-23 00:40:35,869 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 00:40:35,870 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2018-11-23 00:40:35,870 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 00:40:35,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 00:40:35,895 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:31 [2018-11-23 00:40:37,951 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 27 [2018-11-23 00:40:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2018-11-23 00:40:38,022 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:40:38,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:40:38,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 00:40:38,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 00:40:38,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 00:40:38,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-11-23 00:40:38,031 INFO L87 Difference]: Start difference. First operand 1760 states and 2287 transitions. Second operand 11 states. [2018-11-23 00:41:36,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:36,440 INFO L93 Difference]: Finished difference Result 3334 states and 4323 transitions. [2018-11-23 00:41:36,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 00:41:36,442 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 334 [2018-11-23 00:41:36,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:36,446 INFO L225 Difference]: With dead ends: 3334 [2018-11-23 00:41:36,446 INFO L226 Difference]: Without dead ends: 1619 [2018-11-23 00:41:36,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-23 00:41:36,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2018-11-23 00:41:36,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1575. [2018-11-23 00:41:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1575 states. [2018-11-23 00:41:36,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 2008 transitions. [2018-11-23 00:41:36,555 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 2008 transitions. Word has length 334 [2018-11-23 00:41:36,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:36,556 INFO L480 AbstractCegarLoop]: Abstraction has 1575 states and 2008 transitions. [2018-11-23 00:41:36,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 00:41:36,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2008 transitions. [2018-11-23 00:41:36,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-11-23 00:41:36,558 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:36,558 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:36,558 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:36,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:36,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1060137548, now seen corresponding path program 1 times [2018-11-23 00:41:36,560 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:41:36,560 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:41:36,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:37,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:41:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2018-11-23 00:41:38,044 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:41:38,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:38,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:41:38,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:41:38,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:41:38,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:41:38,050 INFO L87 Difference]: Start difference. First operand 1575 states and 2008 transitions. Second operand 7 states. [2018-11-23 00:41:38,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:38,536 INFO L93 Difference]: Finished difference Result 3133 states and 4026 transitions. [2018-11-23 00:41:38,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:41:38,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 345 [2018-11-23 00:41:38,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:38,542 INFO L225 Difference]: With dead ends: 3133 [2018-11-23 00:41:38,542 INFO L226 Difference]: Without dead ends: 1611 [2018-11-23 00:41:38,545 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:41:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2018-11-23 00:41:38,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1603. [2018-11-23 00:41:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2018-11-23 00:41:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2040 transitions. [2018-11-23 00:41:38,592 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2040 transitions. Word has length 345 [2018-11-23 00:41:38,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:38,593 INFO L480 AbstractCegarLoop]: Abstraction has 1603 states and 2040 transitions. [2018-11-23 00:41:38,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:41:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2040 transitions. [2018-11-23 00:41:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-11-23 00:41:38,595 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:38,595 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:38,595 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:38,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:38,596 INFO L82 PathProgramCache]: Analyzing trace with hash 468436440, now seen corresponding path program 1 times [2018-11-23 00:41:38,597 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:41:38,597 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/cvc4nyu Starting monitored process 25 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 25 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 00:41:38,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:40,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:41:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2018-11-23 00:41:40,124 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:41:40,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:40,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:41:40,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:41:40,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:41:40,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:41:40,129 INFO L87 Difference]: Start difference. First operand 1603 states and 2040 transitions. Second operand 3 states. [2018-11-23 00:41:40,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:40,227 INFO L93 Difference]: Finished difference Result 3161 states and 4058 transitions. [2018-11-23 00:41:40,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:41:40,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2018-11-23 00:41:40,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:40,233 INFO L225 Difference]: With dead ends: 3161 [2018-11-23 00:41:40,233 INFO L226 Difference]: Without dead ends: 1611 [2018-11-23 00:41:40,236 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 348 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 00:41:40,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2018-11-23 00:41:40,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1607. [2018-11-23 00:41:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1607 states. [2018-11-23 00:41:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2044 transitions. [2018-11-23 00:41:40,312 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2044 transitions. Word has length 350 [2018-11-23 00:41:40,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:40,312 INFO L480 AbstractCegarLoop]: Abstraction has 1607 states and 2044 transitions. [2018-11-23 00:41:40,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:41:40,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2044 transitions. [2018-11-23 00:41:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-11-23 00:41:40,315 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:40,315 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:40,315 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:40,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:40,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1270559660, now seen corresponding path program 1 times [2018-11-23 00:41:40,317 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:41:40,317 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:41:40,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:41,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:41:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2018-11-23 00:41:41,826 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:41:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2018-11-23 00:41:41,963 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:41:41,963 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/bin-2019/utaipan/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:41:41,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:42,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:41:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-11-23 00:41:42,532 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:41:42,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:41:42,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 4] total 12 [2018-11-23 00:41:42,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 00:41:42,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 00:41:42,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-11-23 00:41:42,556 INFO L87 Difference]: Start difference. First operand 1607 states and 2044 transitions. Second operand 12 states. [2018-11-23 00:41:43,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:43,292 INFO L93 Difference]: Finished difference Result 3201 states and 4102 transitions. [2018-11-23 00:41:43,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:41:43,294 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 352 [2018-11-23 00:41:43,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:43,300 INFO L225 Difference]: With dead ends: 3201 [2018-11-23 00:41:43,300 INFO L226 Difference]: Without dead ends: 1647 [2018-11-23 00:41:43,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1055 GetRequests, 1044 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:41:43,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2018-11-23 00:41:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1615. [2018-11-23 00:41:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1615 states. [2018-11-23 00:41:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2052 transitions. [2018-11-23 00:41:43,381 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2052 transitions. Word has length 352 [2018-11-23 00:41:43,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:43,381 INFO L480 AbstractCegarLoop]: Abstraction has 1615 states and 2052 transitions. [2018-11-23 00:41:43,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 00:41:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2052 transitions. [2018-11-23 00:41:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-23 00:41:43,384 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:43,384 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:43,384 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:43,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:43,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1717783761, now seen corresponding path program 1 times [2018-11-23 00:41:43,386 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 00:41:43,386 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:41:43,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:46,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:41:46,786 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 treesize of output 6 [2018-11-23 00:41:46,787 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 00:41:46,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:41:46,789 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2018-11-23 00:41:47,404 WARN L180 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 41 [2018-11-23 00:41:47,535 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 56 [2018-11-23 00:41:47,536 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-11-23 00:41:47,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-11-23 00:41:47,706 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:127, output treesize:115 [2018-11-23 00:42:08,060 WARN L180 SmtUtils]: Spent 20.11 s on a formula simplification that was a NOOP. DAG size: 66 [2018-11-23 00:42:08,071 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:42:08,078 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 00:42:08,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 88 [2018-11-23 00:42:08,177 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-11-23 00:42:08,621 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 00:42:08,622 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 82 [2018-11-23 00:42:08,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 00:42:09,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-11-23 00:42:09,227 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:153, output treesize:194 [2018-11-23 00:42:33,642 WARN L180 SmtUtils]: Spent 24.23 s on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2018-11-23 00:42:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2018-11-23 00:42:33,711 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:42:36,090 WARN L832 $PredicateComparison]: unable to prove that (forall ((aem_init_aem2_inst_~fi_resp.base (_ BitVec 32)) (aem_init_aem2_inst_~fi_resp.offset (_ BitVec 32))) (not (let ((.cse1 ((_ extract 31 0) (_ bv1000 64)))) (let ((.cse0 (store (let ((.cse2 (let ((.cse3 (store (select |c_#memory_int| c_aem_init_aem2_inst_~data~2.base) (bvadd c_aem_init_aem2_inst_~data~2.offset (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv4 32)))))))) (store .cse3 (bvadd c_aem_init_aem2_inst_~data~2.offset (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_aem_init_aem2_inst_~data~2.base .cse3) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv5 32))))))))) (store .cse2 (bvadd c_aem_init_aem2_inst_~data~2.offset (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_aem_init_aem2_inst_~data~2.base .cse2) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv6 32))))))) (bvadd c_aem_init_aem2_inst_~data~2.offset (_ bv1073 32)) .cse1))) (= (store |c_#memory_int| c_aem_init_aem2_inst_~data~2.base (store .cse0 (bvadd c_aem_init_aem2_inst_~data~2.offset (_ bv1081 32)) .cse1)) (store |c_#memory_int| c_aem_init_aem2_inst_~data~2.base (store .cse0 (bvadd c_aem_init_aem2_inst_~data~2.offset (_ bv1085 32)) ((_ extract 63 32) (_ bv1000 64))))))))) is different from false [2018-11-23 00:42:38,152 WARN L832 $PredicateComparison]: unable to prove that (forall ((aem_init_aem2_inst_~fi_resp.base (_ BitVec 32)) (aem_init_aem2_inst_~fi_resp.offset (_ BitVec 32))) (not (let ((.cse1 ((_ extract 31 0) (_ bv1000 64)))) (let ((.cse0 (store (let ((.cse2 (let ((.cse3 (store (select |c_#memory_int| |c_aem_init_aem2_inst_#t~ret244.base|) (bvadd |c_aem_init_aem2_inst_#t~ret244.offset| (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv4 32)))))))) (store .cse3 (bvadd |c_aem_init_aem2_inst_#t~ret244.offset| (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_aem_init_aem2_inst_#t~ret244.base| .cse3) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv5 32))))))))) (store .cse2 (bvadd |c_aem_init_aem2_inst_#t~ret244.offset| (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_aem_init_aem2_inst_#t~ret244.base| .cse2) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv6 32))))))) (bvadd |c_aem_init_aem2_inst_#t~ret244.offset| (_ bv1073 32)) .cse1))) (= (store |c_#memory_int| |c_aem_init_aem2_inst_#t~ret244.base| (store .cse0 (bvadd |c_aem_init_aem2_inst_#t~ret244.offset| (_ bv1085 32)) ((_ extract 63 32) (_ bv1000 64)))) (store |c_#memory_int| |c_aem_init_aem2_inst_#t~ret244.base| (store .cse0 (bvadd |c_aem_init_aem2_inst_#t~ret244.offset| (_ bv1081 32)) .cse1))))))) is different from false [2018-11-23 00:42:40,396 WARN L832 $PredicateComparison]: unable to prove that (forall ((aem_init_aem2_inst_~fi_resp.base (_ BitVec 32)) (aem_init_aem2_inst_~fi_resp.offset (_ BitVec 32))) (not (let ((.cse1 ((_ extract 31 0) (_ bv1000 64)))) (let ((.cse0 (store (let ((.cse2 (let ((.cse3 (store (select |c_#memory_int| |c_ldv_kzalloc_6_#res.base|) (bvadd |c_ldv_kzalloc_6_#res.offset| (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv4 32)))))))) (store .cse3 (bvadd |c_ldv_kzalloc_6_#res.offset| (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ldv_kzalloc_6_#res.base| .cse3) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv5 32))))))))) (store .cse2 (bvadd |c_ldv_kzalloc_6_#res.offset| (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ldv_kzalloc_6_#res.base| .cse2) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv6 32))))))) (bvadd |c_ldv_kzalloc_6_#res.offset| (_ bv1073 32)) .cse1))) (= (store |c_#memory_int| |c_ldv_kzalloc_6_#res.base| (store .cse0 (bvadd |c_ldv_kzalloc_6_#res.offset| (_ bv1081 32)) .cse1)) (store |c_#memory_int| |c_ldv_kzalloc_6_#res.base| (store .cse0 (bvadd |c_ldv_kzalloc_6_#res.offset| (_ bv1085 32)) ((_ extract 63 32) (_ bv1000 64))))))))) is different from false [2018-11-23 00:42:42,453 WARN L832 $PredicateComparison]: unable to prove that (forall ((aem_init_aem2_inst_~fi_resp.base (_ BitVec 32)) (aem_init_aem2_inst_~fi_resp.offset (_ BitVec 32))) (not (let ((.cse1 ((_ extract 31 0) (_ bv1000 64)))) (let ((.cse0 (store (let ((.cse2 (let ((.cse3 (store (select |c_#memory_int| |c_ldv_kzalloc_6_#t~ret437.base|) (bvadd |c_ldv_kzalloc_6_#t~ret437.offset| (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv4 32)))))))) (store .cse3 (bvadd |c_ldv_kzalloc_6_#t~ret437.offset| (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ldv_kzalloc_6_#t~ret437.base| .cse3) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv5 32))))))))) (store .cse2 (bvadd |c_ldv_kzalloc_6_#t~ret437.offset| (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ldv_kzalloc_6_#t~ret437.base| .cse2) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv6 32))))))) (bvadd |c_ldv_kzalloc_6_#t~ret437.offset| (_ bv1073 32)) .cse1))) (= (store |c_#memory_int| |c_ldv_kzalloc_6_#t~ret437.base| (store .cse0 (bvadd |c_ldv_kzalloc_6_#t~ret437.offset| (_ bv1081 32)) .cse1)) (store |c_#memory_int| |c_ldv_kzalloc_6_#t~ret437.base| (store .cse0 (bvadd |c_ldv_kzalloc_6_#t~ret437.offset| (_ bv1085 32)) ((_ extract 63 32) (_ bv1000 64))))))))) is different from false [2018-11-23 00:42:44,631 WARN L832 $PredicateComparison]: unable to prove that (forall ((aem_init_aem2_inst_~fi_resp.base (_ BitVec 32)) (aem_init_aem2_inst_~fi_resp.offset (_ BitVec 32))) (not (let ((.cse1 ((_ extract 31 0) (_ bv1000 64)))) (let ((.cse0 (store (let ((.cse2 (let ((.cse3 (store (select |c_#memory_int| |c_ldv_zalloc_#res.base|) (bvadd |c_ldv_zalloc_#res.offset| (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv4 32)))))))) (store .cse3 (bvadd |c_ldv_zalloc_#res.offset| (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ldv_zalloc_#res.base| .cse3) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv5 32))))))))) (store .cse2 (bvadd |c_ldv_zalloc_#res.offset| (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ldv_zalloc_#res.base| .cse2) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv6 32))))))) (bvadd |c_ldv_zalloc_#res.offset| (_ bv1073 32)) .cse1))) (= (store |c_#memory_int| |c_ldv_zalloc_#res.base| (store .cse0 (bvadd |c_ldv_zalloc_#res.offset| (_ bv1085 32)) ((_ extract 63 32) (_ bv1000 64)))) (store |c_#memory_int| |c_ldv_zalloc_#res.base| (store .cse0 (bvadd |c_ldv_zalloc_#res.offset| (_ bv1081 32)) .cse1))))))) is different from false [2018-11-23 00:42:46,716 WARN L832 $PredicateComparison]: unable to prove that (forall ((aem_init_aem2_inst_~fi_resp.base (_ BitVec 32)) (aem_init_aem2_inst_~fi_resp.offset (_ BitVec 32))) (not (let ((.cse1 ((_ extract 31 0) (_ bv1000 64)))) (let ((.cse0 (store (let ((.cse2 (let ((.cse3 (store (select |c_#memory_int| |c_ldv_zalloc_#t~malloc65.base|) (bvadd |c_ldv_zalloc_#t~malloc65.offset| (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv4 32)))))))) (store .cse3 (bvadd |c_ldv_zalloc_#t~malloc65.offset| (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ldv_zalloc_#t~malloc65.base| .cse3) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv5 32))))))))) (store .cse2 (bvadd |c_ldv_zalloc_#t~malloc65.offset| (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ldv_zalloc_#t~malloc65.base| .cse2) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv6 32))))))) (bvadd |c_ldv_zalloc_#t~malloc65.offset| (_ bv1073 32)) .cse1))) (= (store |c_#memory_int| |c_ldv_zalloc_#t~malloc65.base| (store .cse0 (bvadd |c_ldv_zalloc_#t~malloc65.offset| (_ bv1081 32)) .cse1)) (store |c_#memory_int| |c_ldv_zalloc_#t~malloc65.base| (store .cse0 (bvadd |c_ldv_zalloc_#t~malloc65.offset| (_ bv1085 32)) ((_ extract 63 32) (_ bv1000 64))))))))) is different from false [2018-11-23 00:42:47,300 WARN L180 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2018-11-23 00:42:47,300 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-11-23 00:42:47,300 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 4 variables, input treesize:274, output treesize:1 [2018-11-23 00:42:49,305 WARN L832 $PredicateComparison]: unable to prove that (forall ((aem_init_aem2_inst_~fi_resp.base (_ BitVec 32)) (|v_ldv_zalloc_#t~malloc65.offset_BEFORE_CALL_3| (_ BitVec 32)) (aem_init_aem2_inst_~fi_resp.offset (_ BitVec 32))) (not (let ((.cse1 ((_ extract 31 0) (_ bv1000 64)))) (let ((.cse0 (store (let ((.cse2 (let ((.cse3 (store (select |c_#memory_int| |c_#Ultimate.meminit_#ptr.base|) (bvadd |v_ldv_zalloc_#t~malloc65.offset_BEFORE_CALL_3| (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv4 32)))))))) (store .cse3 (bvadd |v_ldv_zalloc_#t~malloc65.offset_BEFORE_CALL_3| (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| .cse3) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv5 32))))))))) (store .cse2 (bvadd |v_ldv_zalloc_#t~malloc65.offset_BEFORE_CALL_3| (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| .cse2) aem_init_aem2_inst_~fi_resp.base) (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv6 32))))))) (bvadd |v_ldv_zalloc_#t~malloc65.offset_BEFORE_CALL_3| (_ bv1073 32)) .cse1))) (= (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| (store .cse0 (bvadd |v_ldv_zalloc_#t~malloc65.offset_BEFORE_CALL_3| (_ bv1085 32)) ((_ extract 63 32) (_ bv1000 64)))) (store |c_#memory_int| |c_#Ultimate.meminit_#ptr.base| (store .cse0 (bvadd |v_ldv_zalloc_#t~malloc65.offset_BEFORE_CALL_3| (_ bv1081 32)) .cse1))))))) is different from false [2018-11-23 00:42:49,649 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2018-11-23 00:42:49,649 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-11-23 00:42:49,649 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 4 variables, input treesize:274, output treesize:1 [2018-11-23 00:42:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2018-11-23 00:42:49,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:42:49,772 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5fc084e8-427a-4ed7-a3f8-94f2033fef03/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 00:42:49,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:42:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:42:52,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:42:52,816 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 treesize of output 6 [2018-11-23 00:42:52,816 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 00:42:52,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:42:52,818 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2018-11-23 00:42:53,339 WARN L180 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 41 [2018-11-23 00:42:53,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 56 [2018-11-23 00:42:53,566 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-11-23 00:42:53,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-11-23 00:42:53,727 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:127, output treesize:112 [2018-11-23 00:43:20,072 WARN L180 SmtUtils]: Spent 24.17 s on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-11-23 00:43:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2018-11-23 00:43:20,127 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:43:20,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:43:20,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 11] total 22 [2018-11-23 00:43:20,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 00:43:20,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 00:43:20,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=179, Unknown=8, NotChecked=224, Total=462 [2018-11-23 00:43:20,161 INFO L87 Difference]: Start difference. First operand 1615 states and 2052 transitions. Second operand 22 states. [2018-11-23 00:44:05,196 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 14 [2018-11-23 00:44:07,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:07,338 INFO L93 Difference]: Finished difference Result 1873 states and 2386 transitions. [2018-11-23 00:44:07,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 00:44:07,340 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 354 [2018-11-23 00:44:07,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:07,340 INFO L225 Difference]: With dead ends: 1873 [2018-11-23 00:44:07,340 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:44:07,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1067 GetRequests, 1040 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 87.4s TimeCoverageRelationStatistics Valid=56, Invalid=204, Unknown=8, NotChecked=238, Total=506 [2018-11-23 00:44:07,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:44:07,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:44:07,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:44:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:44:07,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 354 [2018-11-23 00:44:07,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:07,344 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:44:07,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 00:44:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:44:07,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:44:07,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:44:40,715 WARN L180 SmtUtils]: Spent 32.44 s on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-11-23 00:44:44,879 WARN L180 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-11-23 00:45:17,424 WARN L180 SmtUtils]: Spent 32.44 s on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-11-23 00:45:21,855 WARN L180 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-11-23 00:45:21,964 INFO L451 ceAbstractionStarter]: At program point L3224(line 3224) the Hoare annotation is: true [2018-11-23 00:45:21,965 INFO L448 ceAbstractionStarter]: For program point L3225(lines 3225 3229) no Hoare annotation was computed. [2018-11-23 00:45:21,965 INFO L451 ceAbstractionStarter]: At program point L3222(lines 3208 3233) the Hoare annotation is: true [2018-11-23 00:45:21,965 INFO L448 ceAbstractionStarter]: For program point L3224-1(line 3224) no Hoare annotation was computed. [2018-11-23 00:45:21,965 INFO L448 ceAbstractionStarter]: For program point L3220(line 3220) no Hoare annotation was computed. [2018-11-23 00:45:21,965 INFO L448 ceAbstractionStarter]: For program point L3221(lines 3221 3230) no Hoare annotation was computed. [2018-11-23 00:45:21,965 INFO L451 ceAbstractionStarter]: At program point L3219-1(line 3219) the Hoare annotation is: true [2018-11-23 00:45:21,965 INFO L451 ceAbstractionStarter]: At program point L3219(line 3219) the Hoare annotation is: true [2018-11-23 00:45:21,965 INFO L448 ceAbstractionStarter]: For program point L3217-1(line 3217) no Hoare annotation was computed. [2018-11-23 00:45:21,965 INFO L448 ceAbstractionStarter]: For program point aem_idr_getFINAL(lines 3199 3234) no Hoare annotation was computed. [2018-11-23 00:45:21,965 INFO L451 ceAbstractionStarter]: At program point L3217(line 3217) the Hoare annotation is: true [2018-11-23 00:45:21,965 INFO L448 ceAbstractionStarter]: For program point L3212(lines 3212 3216) no Hoare annotation was computed. [2018-11-23 00:45:21,965 INFO L448 ceAbstractionStarter]: For program point aem_idr_getEXIT(lines 3199 3234) no Hoare annotation was computed. [2018-11-23 00:45:21,965 INFO L448 ceAbstractionStarter]: For program point L3211-1(line 3211) no Hoare annotation was computed. [2018-11-23 00:45:21,966 INFO L451 ceAbstractionStarter]: At program point L3211(line 3211) the Hoare annotation is: true [2018-11-23 00:45:21,966 INFO L451 ceAbstractionStarter]: At program point aem_idr_getENTRY(lines 3199 3234) the Hoare annotation is: true [2018-11-23 00:45:21,966 INFO L448 ceAbstractionStarter]: For program point show_nameEXIT(lines 3818 3830) no Hoare annotation was computed. [2018-11-23 00:45:21,966 INFO L451 ceAbstractionStarter]: At program point show_nameENTRY(lines 3818 3830) the Hoare annotation is: true [2018-11-23 00:45:21,966 INFO L448 ceAbstractionStarter]: For program point show_nameFINAL(lines 3818 3830) no Hoare annotation was computed. [2018-11-23 00:45:21,966 INFO L451 ceAbstractionStarter]: At program point ldv_undef_intENTRY(lines 3015 3023) the Hoare annotation is: true [2018-11-23 00:45:21,966 INFO L448 ceAbstractionStarter]: For program point ldv_undef_intFINAL(lines 3015 3023) no Hoare annotation was computed. [2018-11-23 00:45:21,966 INFO L448 ceAbstractionStarter]: For program point ldv_undef_intEXIT(lines 3015 3023) no Hoare annotation was computed. [2018-11-23 00:45:21,966 INFO L444 ceAbstractionStarter]: At program point L4255(line 4255) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,966 INFO L448 ceAbstractionStarter]: For program point L4255-1(line 4255) no Hoare annotation was computed. [2018-11-23 00:45:21,966 INFO L448 ceAbstractionStarter]: For program point L4354-1(line 4354) no Hoare annotation was computed. [2018-11-23 00:45:21,966 INFO L448 ceAbstractionStarter]: For program point L4379(lines 4379 4390) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L444 ceAbstractionStarter]: At program point L4346(line 4346) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 4220 4405) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L444 ceAbstractionStarter]: At program point L4313(line 4313) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point L4346-1(line 4346) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point L4313-1(line 4313) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point L4396(line 4396) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point L4388(line 4388) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point L4314(lines 4314 4321) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point L4380(line 4380) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point L4281(lines 4281 4292) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point L4314-2(lines 4312 4328) no Hoare annotation was computed. [2018-11-23 00:45:21,967 INFO L448 ceAbstractionStarter]: For program point L4298(line 4298) no Hoare annotation was computed. [2018-11-23 00:45:21,968 INFO L451 ceAbstractionStarter]: At program point L4397(line 4397) the Hoare annotation is: true [2018-11-23 00:45:21,968 INFO L444 ceAbstractionStarter]: At program point L4265(line 4265) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,968 INFO L448 ceAbstractionStarter]: For program point L4265-1(line 4265) no Hoare annotation was computed. [2018-11-23 00:45:21,968 INFO L448 ceAbstractionStarter]: For program point L4290(line 4290) no Hoare annotation was computed. [2018-11-23 00:45:21,968 INFO L451 ceAbstractionStarter]: At program point L4389(line 4389) the Hoare annotation is: true [2018-11-23 00:45:21,968 INFO L444 ceAbstractionStarter]: At program point L4257(line 4257) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,968 INFO L448 ceAbstractionStarter]: For program point L4257-1(line 4257) no Hoare annotation was computed. [2018-11-23 00:45:21,968 INFO L448 ceAbstractionStarter]: For program point L4282(line 4282) no Hoare annotation was computed. [2018-11-23 00:45:21,968 INFO L448 ceAbstractionStarter]: For program point L4381(lines 4381 4386) no Hoare annotation was computed. [2018-11-23 00:45:21,968 INFO L444 ceAbstractionStarter]: At program point L4249(line 4249) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,968 INFO L448 ceAbstractionStarter]: For program point L4249-1(line 4249) no Hoare annotation was computed. [2018-11-23 00:45:21,968 INFO L448 ceAbstractionStarter]: For program point L4340(line 4340) no Hoare annotation was computed. [2018-11-23 00:45:21,968 INFO L448 ceAbstractionStarter]: For program point L4299(lines 4299 4338) no Hoare annotation was computed. [2018-11-23 00:45:21,969 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 4220 4405) no Hoare annotation was computed. [2018-11-23 00:45:21,969 INFO L448 ceAbstractionStarter]: For program point L4332(line 4332) no Hoare annotation was computed. [2018-11-23 00:45:21,969 INFO L451 ceAbstractionStarter]: At program point L4291(line 4291) the Hoare annotation is: true [2018-11-23 00:45:21,969 INFO L451 ceAbstractionStarter]: At program point L4324(lines 4248 4404) the Hoare annotation is: true [2018-11-23 00:45:21,969 INFO L444 ceAbstractionStarter]: At program point L4382(line 4382) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,969 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 4220 4405) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,969 INFO L448 ceAbstractionStarter]: For program point L4283(lines 4283 4288) no Hoare annotation was computed. [2018-11-23 00:45:21,969 INFO L448 ceAbstractionStarter]: For program point L4382-1(line 4382) no Hoare annotation was computed. [2018-11-23 00:45:21,969 INFO L448 ceAbstractionStarter]: For program point L4341(lines 4341 4374) no Hoare annotation was computed. [2018-11-23 00:45:21,969 INFO L444 ceAbstractionStarter]: At program point L4399(lines 4248 4404) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,969 INFO L444 ceAbstractionStarter]: At program point L4267(line 4267) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,969 INFO L444 ceAbstractionStarter]: At program point L4267-1(line 4267) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,970 INFO L451 ceAbstractionStarter]: At program point L4333(line 4333) the Hoare annotation is: true [2018-11-23 00:45:21,970 INFO L444 ceAbstractionStarter]: At program point L4259(line 4259) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4259-1(line 4259) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L444 ceAbstractionStarter]: At program point L4251(line 4251) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4284-1(line 4284) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4251-1(line 4251) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L444 ceAbstractionStarter]: At program point L4284(line 4284) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4301(lines 4301 4334) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4268(line 4268) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4343(lines 4343 4370) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4376(line 4376) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4277(lines 4277 4398) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4302(line 4302) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L448 ceAbstractionStarter]: For program point L4368(line 4368) no Hoare annotation was computed. [2018-11-23 00:45:21,970 INFO L444 ceAbstractionStarter]: At program point L4269(line 4269) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4269-1(line 4269) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4360(line 4360) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L444 ceAbstractionStarter]: At program point L4261(line 4261) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4261-1(line 4261) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4352(line 4352) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L444 ceAbstractionStarter]: At program point L4253(line 4253) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4253-1(line 4253) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4311(line 4311) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4278(line 4278) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4377(lines 4377 4394) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4344(line 4344) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4303(lines 4303 4309) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L451 ceAbstractionStarter]: At program point L4369(line 4369) the Hoare annotation is: true [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4361(lines 4361 4366) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4353(lines 4353 4358) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4279(lines 4279 4296) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4345(lines 4345 4350) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4312(lines 4312 4330) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4304-1(line 4304) no Hoare annotation was computed. [2018-11-23 00:45:21,971 INFO L451 ceAbstractionStarter]: At program point L4304(line 4304) the Hoare annotation is: true [2018-11-23 00:45:21,971 INFO L444 ceAbstractionStarter]: At program point L4362(line 4362) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,971 INFO L444 ceAbstractionStarter]: At program point L4263(line 4263) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,971 INFO L448 ceAbstractionStarter]: For program point L4263-1(line 4263) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L4362-1(line 4362) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L444 ceAbstractionStarter]: At program point L4354(line 4354) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (and (= (_ bv0 32) ~ldv_count_2~0) (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|)) (not (= (_ bv0 32) |old(~ldv_state_variable_3~0)|))) [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3182(lines 3182 3186) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point aem_msg_handlerFINAL(lines 3157 3198) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3180(lines 3180 3193) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3182-2(lines 3182 3186) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3180-2(lines 3180 3193) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3166(lines 3166 3173) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3189-1(lines 3189 3190) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L451 ceAbstractionStarter]: At program point L3189(lines 3189 3190) the Hoare annotation is: true [2018-11-23 00:45:21,972 INFO L451 ceAbstractionStarter]: At program point aem_msg_handlerENTRY(lines 3157 3198) the Hoare annotation is: true [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3175(lines 3175 3179) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point aem_msg_handlerEXIT(lines 3157 3198) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3175-2(lines 3175 3179) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3774(lines 3774 3778) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3773-1(line 3773) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L444 ceAbstractionStarter]: At program point aem_register_bmcENTRY(lines 3767 3784) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,972 INFO L444 ceAbstractionStarter]: At program point L3773(line 3773) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point aem_register_bmcFINAL(lines 3767 3784) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L444 ceAbstractionStarter]: At program point L3780(line 3780) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3779-1(line 3779) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point aem_register_bmcEXIT(lines 3767 3784) no Hoare annotation was computed. [2018-11-23 00:45:21,972 INFO L444 ceAbstractionStarter]: At program point L3779(line 3779) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,972 INFO L448 ceAbstractionStarter]: For program point L3780-1(line 3780) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 3042 3050) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 3042 3050) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 3042 3050) the Hoare annotation is: true [2018-11-23 00:45:21,973 INFO L444 ceAbstractionStarter]: At program point L3582(lines 3566 3588) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,973 INFO L444 ceAbstractionStarter]: At program point L3580(lines 3566 3588) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point aem_init_aem1FINAL(lines 3560 3589) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point aem_init_aem1EXIT(lines 3560 3589) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point L3572(lines 3572 3578) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point L3571(line 3571) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point L3567-1(line 3567) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L444 ceAbstractionStarter]: At program point L3567(line 3567) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,973 INFO L444 ceAbstractionStarter]: At program point aem_init_aem1ENTRY(lines 3560 3589) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,973 INFO L444 ceAbstractionStarter]: At program point ldv_initializeENTRY(lines 4560 4569) the Hoare annotation is: (or (not (= (_ bv0 32) |old(~ldv_count_1~0)|)) (= |old(~ldv_count_1~0)| ~ldv_count_1~0) (not (= (_ bv0 32) ~ldv_count_2~0)) (not (= (_ bv0 32) ~ldv_state_variable_3~0))) [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point ldv_initializeFINAL(lines 4560 4569) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 4560 4569) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point aem_init_aem2FINAL(lines 3728 3766) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point L3739(lines 3739 3746) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point aem_init_aem2EXIT(lines 3728 3766) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point L3758(lines 3758 3762) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L444 ceAbstractionStarter]: At program point L3759(lines 3735 3765) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,973 INFO L444 ceAbstractionStarter]: At program point aem_init_aem2ENTRY(lines 3728 3766) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,973 INFO L444 ceAbstractionStarter]: At program point L3756(lines 3735 3765) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point L3757(line 3757) no Hoare annotation was computed. [2018-11-23 00:45:21,973 INFO L448 ceAbstractionStarter]: For program point L3748(lines 3748 3754) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point L3747-1(line 3747) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L444 ceAbstractionStarter]: At program point L3747(line 3747) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,974 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L451 ceAbstractionStarter]: At program point L4478(line 4478) the Hoare annotation is: true [2018-11-23 00:45:21,974 INFO L451 ceAbstractionStarter]: At program point ldv_undef_int_negativeENTRY(lines 4469 4484) the Hoare annotation is: true [2018-11-23 00:45:21,974 INFO L451 ceAbstractionStarter]: At program point L4475(line 4475) the Hoare annotation is: true [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point L4475-1(line 4475) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point L4477(lines 4477 4481) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point L4477-1(lines 4477 4481) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point ldv_undef_int_negativeFINAL(lines 4469 4484) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point ldv_undef_int_negativeEXIT(lines 4469 4484) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point aem_init_ipmi_dataEXIT(lines 3104 3128) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point L3119(lines 3119 3125) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point aem_init_ipmi_dataFINAL(lines 3104 3128) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L451 ceAbstractionStarter]: At program point aem_init_ipmi_dataENTRY(lines 3104 3128) the Hoare annotation is: true [2018-11-23 00:45:21,974 INFO L448 ceAbstractionStarter]: For program point L3109-1(line 3109) no Hoare annotation was computed. [2018-11-23 00:45:21,974 INFO L451 ceAbstractionStarter]: At program point L3109(line 3109) the Hoare annotation is: true [2018-11-23 00:45:21,974 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:45:21,974 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L451 ceAbstractionStarter]: At program point aem1_find_sensorsENTRY(lines 4142 4151) the Hoare annotation is: true [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point aem1_find_sensorsFINAL(lines 4142 4151) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point L4147-1(lines 4147 4148) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L451 ceAbstractionStarter]: At program point L4147(lines 4147 4148) the Hoare annotation is: true [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point aem1_find_sensorsEXIT(lines 4142 4151) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point ldv_is_errEXIT(lines 4485 4492) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L451 ceAbstractionStarter]: At program point ldv_is_errENTRY(lines 4485 4492) the Hoare annotation is: true [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point ldv_is_errFINAL(lines 4485 4492) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point L3615(line 3615) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point aem_find_aem2EXIT(lines 3590 3631) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point L3615-2(lines 3615 3628) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point L3610(lines 3610 3614) no Hoare annotation was computed. [2018-11-23 00:45:21,975 INFO L448 ceAbstractionStarter]: For program point L3607-1(line 3607) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L451 ceAbstractionStarter]: At program point L3607(line 3607) the Hoare annotation is: true [2018-11-23 00:45:21,976 INFO L451 ceAbstractionStarter]: At program point aem_find_aem2ENTRY(lines 3590 3631) the Hoare annotation is: true [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point L3623(lines 3623 3627) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point L3620(lines 3620 3627) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point aem_find_aem2FINAL(lines 3590 3631) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point ldv_kzalloc_6EXIT(lines 4415 4423) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point L4420-1(line 4420) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L451 ceAbstractionStarter]: At program point ldv_kzalloc_6ENTRY(lines 4415 4423) the Hoare annotation is: true [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point ldv_kzalloc_6FINAL(lines 4415 4423) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L451 ceAbstractionStarter]: At program point L4420(line 4420) the Hoare annotation is: true [2018-11-23 00:45:21,976 INFO L451 ceAbstractionStarter]: At program point L3136(lines 3133 3155) the Hoare annotation is: true [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point L3135(lines 3135 3139) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point aem_send_messageFINAL(lines 3129 3156) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L444 ceAbstractionStarter]: At program point L3144(lines 3133 3155) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) ~ldv_count_2~0))) [2018-11-23 00:45:21,976 INFO L451 ceAbstractionStarter]: At program point aem_send_messageENTRY(lines 3129 3156) the Hoare annotation is: true [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point L3143(lines 3143 3147) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point aem_send_messageEXIT(lines 3129 3156) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point L4028(lines 4028 4032) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point L3995-1(line 3995) no Hoare annotation was computed. [2018-11-23 00:45:21,976 INFO L451 ceAbstractionStarter]: At program point L3995(line 3995) the Hoare annotation is: true [2018-11-23 00:45:21,976 INFO L451 ceAbstractionStarter]: At program point L4018(line 4018) the Hoare annotation is: true [2018-11-23 00:45:21,976 INFO L448 ceAbstractionStarter]: For program point L4018-1(line 4018) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point L4006(lines 3986 4044) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point L4039-1(line 4039) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point L4039(line 4039) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point aem_register_sensorsEXIT(lines 3979 4045) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point L4004(lines 3986 4044) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point L4035(lines 3986 4044) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point L4033-1(line 4033) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point L4033(line 4033) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point L3996(lines 3996 4001) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point L4029(lines 3986 4044) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point L4027(lines 3986 4044) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point aem_register_sensorsENTRY(lines 3979 4045) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point L4019(lines 4019 4024) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point aem_register_sensorsFINAL(lines 3979 4045) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point L4042(line 4042) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point L4005(lines 4005 4009) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point L4034(lines 4034 4038) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point L4207(lines 4194 4215) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point L4209(lines 4194 4215) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point L4203(line 4203) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point aem_exitEXIT(lines 4186 4216) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L451 ceAbstractionStarter]: At program point aem_exitENTRY(lines 4186 4216) the Hoare annotation is: true [2018-11-23 00:45:21,977 INFO L448 ceAbstractionStarter]: For program point aem_exitFINAL(lines 4186 4216) no Hoare annotation was computed. [2018-11-23 00:45:21,977 INFO L444 ceAbstractionStarter]: At program point L3520(line 3520) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,977 INFO L444 ceAbstractionStarter]: At program point L3553(lines 3476 3558) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3520-1(line 3520) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point aem_init_aem1_instEXIT(lines 3464 3559) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3537(lines 3537 3541) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L444 ceAbstractionStarter]: At program point L3500(line 3500) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3500-1(line 3500) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L444 ceAbstractionStarter]: At program point L3496(lines 3476 3558) the Hoare annotation is: (or (and (= (_ bv0 32) ~ldv_count_2~0) (= (_ bv0 32) aem_init_aem1_inst_~i~2) (exists ((aem_init_aem1_inst_~module_handle (_ BitVec 8))) (= (select |#memory_int| aem_init_aem1_inst_~data~1.base) (store (store (store ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (bvadd aem_init_aem1_inst_~data~1.offset (_ bv193 32)) ((_ sign_extend 24) (_ bv1 8))) (bvadd aem_init_aem1_inst_~data~1.offset (_ bv194 32)) ((_ sign_extend 24) (_ bv0 8))) (bvadd aem_init_aem1_inst_~data~1.offset (_ bv195 32)) ((_ sign_extend 24) aem_init_aem1_inst_~module_handle)))) (= aem_init_aem1_inst_~data~1.offset (_ bv0 32))) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,978 INFO L444 ceAbstractionStarter]: At program point L3554(line 3554) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3521(lines 3521 3525) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3554-1(line 3554) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L444 ceAbstractionStarter]: At program point L3550(lines 3476 3558) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3480(lines 3480 3484) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L444 ceAbstractionStarter]: At program point L3542(line 3542) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3542-1(line 3542) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L444 ceAbstractionStarter]: At program point L3538(lines 3476 3558) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3501(lines 3501 3505) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L444 ceAbstractionStarter]: At program point L3555(lines 3476 3558) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3514(lines 3514 3518) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L444 ceAbstractionStarter]: At program point L3494(lines 3476 3558) the Hoare annotation is: (or (and (= (_ bv0 32) ~ldv_count_2~0) (= (_ bv0 32) aem_init_aem1_inst_~i~2) (exists ((aem_init_aem1_inst_~module_handle (_ BitVec 8))) (= (select |#memory_int| aem_init_aem1_inst_~data~1.base) (store (store (store ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (bvadd aem_init_aem1_inst_~data~1.offset (_ bv193 32)) ((_ sign_extend 24) (_ bv1 8))) (bvadd aem_init_aem1_inst_~data~1.offset (_ bv194 32)) ((_ sign_extend 24) (_ bv0 8))) (bvadd aem_init_aem1_inst_~data~1.offset (_ bv195 32)) ((_ sign_extend 24) aem_init_aem1_inst_~module_handle)))) (= aem_init_aem1_inst_~data~1.offset (_ bv0 32))) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,978 INFO L448 ceAbstractionStarter]: For program point L3527-1(line 3527) no Hoare annotation was computed. [2018-11-23 00:45:21,978 INFO L444 ceAbstractionStarter]: At program point L3527(line 3527) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point aem_init_aem1_instFINAL(lines 3464 3559) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L444 ceAbstractionStarter]: At program point L3548(lines 3476 3558) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,979 INFO L444 ceAbstractionStarter]: At program point aem_init_aem1_instENTRY(lines 3464 3559) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,979 INFO L444 ceAbstractionStarter]: At program point L3478(line 3478) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point L3478-1(line 3478) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point L3507(lines 3507 3511) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L444 ceAbstractionStarter]: At program point L3536(line 3536) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point L3536-1(line 3536) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point L3528(lines 3528 3534) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point aem_idr_putFINAL(lines 3235 3245) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L451 ceAbstractionStarter]: At program point L3242(line 3242) the Hoare annotation is: true [2018-11-23 00:45:21,979 INFO L451 ceAbstractionStarter]: At program point L3240(line 3240) the Hoare annotation is: true [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point aem_idr_putEXIT(lines 3235 3245) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L451 ceAbstractionStarter]: At program point aem_idr_putENTRY(lines 3235 3245) the Hoare annotation is: true [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point L3240-1(line 3240) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point list_add_tailFINAL(lines 2878 2886) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L451 ceAbstractionStarter]: At program point list_add_tailENTRY(lines 2878 2886) the Hoare annotation is: true [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point list_add_tailEXIT(lines 2878 2886) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L451 ceAbstractionStarter]: At program point init_completionENTRY(lines 2923 2932) the Hoare annotation is: true [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point init_completionFINAL(lines 2923 2932) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point init_completionEXIT(lines 2923 2932) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_file_10EXIT(lines 4433 4441) no Hoare annotation was computed. [2018-11-23 00:45:21,979 INFO L451 ceAbstractionStarter]: At program point ldv_device_create_file_10ENTRY(lines 4433 4441) the Hoare annotation is: true [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_file_10FINAL(lines 4433 4441) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L451 ceAbstractionStarter]: At program point L4438(line 4438) the Hoare annotation is: true [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point L4438-1(line 4438) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4466) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 4460 4468) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 4460 4468) the Hoare annotation is: true [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 4460 4468) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L451 ceAbstractionStarter]: At program point L4176(lines 4166 4184) the Hoare annotation is: true [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point aem_initFINAL(lines 4162 4185) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point L4175(lines 4175 4179) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point L4168(lines 4168 4173) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L451 ceAbstractionStarter]: At program point aem_initENTRY(lines 4162 4185) the Hoare annotation is: true [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point aem_initEXIT(lines 4162 4185) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point aem2_find_sensorsEXIT(lines 4152 4161) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point L4157-1(lines 4157 4158) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L451 ceAbstractionStarter]: At program point L4157(lines 4157 4158) the Hoare annotation is: true [2018-11-23 00:45:21,980 INFO L451 ceAbstractionStarter]: At program point aem2_find_sensorsENTRY(lines 4152 4161) the Hoare annotation is: true [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point aem2_find_sensorsFINAL(lines 4152 4161) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L451 ceAbstractionStarter]: At program point spin_lockENTRY(lines 2890 2898) the Hoare annotation is: true [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point spin_lockFINAL(lines 2890 2898) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point spin_lockEXIT(lines 2890 2898) no Hoare annotation was computed. [2018-11-23 00:45:21,980 INFO L451 ceAbstractionStarter]: At program point ldv_device_create_file_12ENTRY(lines 4451 4459) the Hoare annotation is: true [2018-11-23 00:45:21,980 INFO L448 ceAbstractionStarter]: For program point L4456-1(line 4456) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_file_12FINAL(lines 4451 4459) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L451 ceAbstractionStarter]: At program point L4456(line 4456) the Hoare annotation is: true [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_file_12EXIT(lines 4451 4459) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point ldv__builtin_expectFINAL(lines 3051 3058) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L451 ceAbstractionStarter]: At program point ldv__builtin_expectENTRY(lines 3051 3058) the Hoare annotation is: true [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point ldv__builtin_expectEXIT(lines 3051 3058) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L451 ceAbstractionStarter]: At program point L4447(line 4447) the Hoare annotation is: true [2018-11-23 00:45:21,981 INFO L451 ceAbstractionStarter]: At program point ldv_device_create_file_11ENTRY(lines 4442 4450) the Hoare annotation is: true [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point L4447-1(line 4447) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_file_11FINAL(lines 4442 4450) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_file_11EXIT(lines 4442 4450) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point L3648(lines 3648 3652) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L444 ceAbstractionStarter]: At program point L3710(line 3710) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point L3710-1(line 3710) no Hoare annotation was computed. [2018-11-23 00:45:21,981 INFO L444 ceAbstractionStarter]: At program point L3706(lines 3644 3726) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,981 INFO L448 ceAbstractionStarter]: For program point L3669(lines 3669 3673) no Hoare annotation was computed. [2018-11-23 00:45:21,982 INFO L444 ceAbstractionStarter]: At program point L3723(lines 3644 3726) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,982 INFO L448 ceAbstractionStarter]: For program point L3682(lines 3682 3686) no Hoare annotation was computed. [2018-11-23 00:45:21,982 INFO L444 ceAbstractionStarter]: At program point L3662(lines 3644 3726) the Hoare annotation is: (or (and (= (_ bv0 32) ~ldv_count_2~0) (= aem_init_aem2_inst_~i~4 (_ bv0 32)) (let ((.cse1 (= (_ bv0 32) aem_init_aem2_inst_~data~2.offset))) (or (and (exists ((aem_init_aem2_inst_~fi_resp.base (_ BitVec 32)) (aem_init_aem2_inst_~fi_resp.offset (_ BitVec 32))) (and (= (select |#memory_int| aem_init_aem2_inst_~data~2.base) (let ((.cse0 (select |#memory_int| aem_init_aem2_inst_~fi_resp.base))) (store (store (store ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv4 32)))))) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv5 32)))))) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv6 32)))))))) (not (= aem_init_aem2_inst_~data~2.base aem_init_aem2_inst_~fi_resp.base)))) .cse1) (and (exists ((v_prenex_2 (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (let ((.cse3 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))) (.cse2 (select |#memory_int| v_prenex_1))) (and (= .cse2 .cse3) (= (select |#memory_int| aem_init_aem2_inst_~data~2.base) (store (store (store .cse3 (bvadd aem_init_aem2_inst_~data~2.offset (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd v_prenex_2 (_ bv4 32)))))) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd v_prenex_2 (_ bv5 32)))))) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd v_prenex_2 (_ bv6 32)))))))))) .cse1)))) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,982 INFO L448 ceAbstractionStarter]: For program point L3695-1(line 3695) no Hoare annotation was computed. [2018-11-23 00:45:21,982 INFO L444 ceAbstractionStarter]: At program point L3695(line 3695) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,982 INFO L444 ceAbstractionStarter]: At program point L3716(lines 3644 3726) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,982 INFO L444 ceAbstractionStarter]: At program point L3646(line 3646) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,982 INFO L448 ceAbstractionStarter]: For program point L3646-1(line 3646) no Hoare annotation was computed. [2018-11-23 00:45:21,982 INFO L448 ceAbstractionStarter]: For program point L3675(lines 3675 3679) no Hoare annotation was computed. [2018-11-23 00:45:21,982 INFO L444 ceAbstractionStarter]: At program point L3704(line 3704) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,983 INFO L448 ceAbstractionStarter]: For program point L3704-1(line 3704) no Hoare annotation was computed. [2018-11-23 00:45:21,983 INFO L448 ceAbstractionStarter]: For program point aem_init_aem2_instFINAL(lines 3632 3727) no Hoare annotation was computed. [2018-11-23 00:45:21,983 INFO L448 ceAbstractionStarter]: For program point L3696(lines 3696 3702) no Hoare annotation was computed. [2018-11-23 00:45:21,983 INFO L444 ceAbstractionStarter]: At program point L3688(line 3688) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,983 INFO L444 ceAbstractionStarter]: At program point L3721(lines 3644 3726) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,983 INFO L448 ceAbstractionStarter]: For program point L3688-1(line 3688) no Hoare annotation was computed. [2018-11-23 00:45:21,983 INFO L444 ceAbstractionStarter]: At program point aem_init_aem2_instENTRY(lines 3632 3727) the Hoare annotation is: (or (= (_ bv0 32) ~ldv_count_2~0) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,983 INFO L448 ceAbstractionStarter]: For program point aem_init_aem2_instEXIT(lines 3632 3727) no Hoare annotation was computed. [2018-11-23 00:45:21,983 INFO L448 ceAbstractionStarter]: For program point L3705(lines 3705 3709) no Hoare annotation was computed. [2018-11-23 00:45:21,983 INFO L444 ceAbstractionStarter]: At program point L3668(line 3668) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,983 INFO L448 ceAbstractionStarter]: For program point L3668-1(line 3668) no Hoare annotation was computed. [2018-11-23 00:45:21,983 INFO L444 ceAbstractionStarter]: At program point L3664(lines 3644 3726) the Hoare annotation is: (or (and (= (_ bv0 32) ~ldv_count_2~0) (= aem_init_aem2_inst_~i~4 (_ bv0 32)) (let ((.cse1 (= (_ bv0 32) aem_init_aem2_inst_~data~2.offset))) (or (and (exists ((aem_init_aem2_inst_~fi_resp.base (_ BitVec 32)) (aem_init_aem2_inst_~fi_resp.offset (_ BitVec 32))) (and (= (select |#memory_int| aem_init_aem2_inst_~data~2.base) (let ((.cse0 (select |#memory_int| aem_init_aem2_inst_~fi_resp.base))) (store (store (store ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv4 32)))))) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv5 32)))))) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd aem_init_aem2_inst_~fi_resp.offset (_ bv6 32)))))))) (not (= aem_init_aem2_inst_~data~2.base aem_init_aem2_inst_~fi_resp.base)))) .cse1) (and (exists ((v_prenex_2 (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (let ((.cse3 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))) (.cse2 (select |#memory_int| v_prenex_1))) (and (= .cse2 .cse3) (= (select |#memory_int| aem_init_aem2_inst_~data~2.base) (store (store (store .cse3 (bvadd aem_init_aem2_inst_~data~2.offset (_ bv193 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd v_prenex_2 (_ bv4 32)))))) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv194 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd v_prenex_2 (_ bv5 32)))))) (bvadd aem_init_aem2_inst_~data~2.offset (_ bv195 32)) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd v_prenex_2 (_ bv6 32)))))))))) .cse1)))) (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,983 INFO L444 ceAbstractionStarter]: At program point L3722(line 3722) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,983 INFO L448 ceAbstractionStarter]: For program point L3689(lines 3689 3693) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point L3722-1(line 3722) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L444 ceAbstractionStarter]: At program point L3718(lines 3644 3726) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) |old(~ldv_count_2~0)|))) [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-23 00:45:21,984 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point L3455(lines 3455 3459) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point L3450(line 3450) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point L3450-2(lines 3450 3460) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point aem_find_aem1_countFINAL(lines 3425 3463) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point L3445(lines 3445 3449) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L451 ceAbstractionStarter]: At program point L3442(line 3442) the Hoare annotation is: true [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point aem_find_aem1_countEXIT(lines 3425 3463) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point L3442-1(line 3442) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L451 ceAbstractionStarter]: At program point aem_find_aem1_countENTRY(lines 3425 3463) the Hoare annotation is: true [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_file_9FINAL(lines 4424 4432) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L451 ceAbstractionStarter]: At program point L4429(line 4429) the Hoare annotation is: true [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_file_9EXIT(lines 4424 4432) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point L4429-1(line 4429) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L451 ceAbstractionStarter]: At program point ldv_device_create_file_9ENTRY(lines 4424 4432) the Hoare annotation is: true [2018-11-23 00:45:21,984 INFO L451 ceAbstractionStarter]: At program point spin_unlockENTRY(lines 2899 2907) the Hoare annotation is: true [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point spin_unlockFINAL(lines 2899 2907) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point spin_unlockEXIT(lines 2899 2907) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point ldv_init_zallocFINAL(lines 2994 3005) no Hoare annotation was computed. [2018-11-23 00:45:21,984 INFO L448 ceAbstractionStarter]: For program point ldv_init_zallocEXIT(lines 2994 3005) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point L3000(line 3000) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point ldv_init_zallocENTRY(lines 2994 3005) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point L3000-1(line 3000) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point aem_deleteEXIT(lines 3409 3424) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point L3420(line 3420) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point L3420-1(line 3420) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point L3415-1(line 3415) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point L3415(line 3415) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point aem_deleteENTRY(lines 3409 3424) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point aem_deleteFINAL(lines 3409 3424) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (let ((.cse0 (bvadd ~ldv_count_2~0 (_ bv1 32)))) (or (bvslt (bvadd |old(~ldv_count_1~0)| (_ bv2 32)) .cse0) (not (bvslt (bvadd ~ldv_count_1~0 (_ bv2 32)) .cse0)))) [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point show_versionEXIT(lines 3837 3850) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point show_versionENTRY(lines 3837 3850) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point show_versionFINAL(lines 3837 3850) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point L3808(lines 3793 3816) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point L3800(lines 3800 3804) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point L3801(line 3801) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point aem_bmc_goneFINAL(lines 3785 3817) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point L3800-1(lines 3800 3804) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point aem_bmc_goneENTRY(lines 3785 3817) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point aem_bmc_goneEXIT(lines 3785 3817) no Hoare annotation was computed. [2018-11-23 00:45:21,985 INFO L451 ceAbstractionStarter]: At program point L3810(lines 3793 3816) the Hoare annotation is: true [2018-11-23 00:45:21,985 INFO L448 ceAbstractionStarter]: For program point L2987-1(line 2987) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L444 ceAbstractionStarter]: At program point L2987(line 2987) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) ~ldv_count_2~0)) (= |ldv_zalloc_#t~malloc65.offset| (_ bv0 32))) [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point L2984(lines 2984 2991) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 2976 2993) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L451 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 2976 2993) the Hoare annotation is: true [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 2976 2993) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_count_1~0) (= (_ bv0 32) ~ldv_count_2~0) (= ~ldv_state_variable_3~0 (_ bv0 32))) [2018-11-23 00:45:21,986 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point ldv_memsetFINAL(lines 3006 3014) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L451 ceAbstractionStarter]: At program point ldv_memsetENTRY(lines 3006 3014) the Hoare annotation is: true [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point ldv_memsetEXIT(lines 3006 3014) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point L3011-1(line 3011) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L444 ceAbstractionStarter]: At program point L3011(line 3011) the Hoare annotation is: (or (not (= (_ bv2 32) ~ldv_count_1~0)) (not (= (_ bv0 32) ~ldv_count_2~0)) (= |ldv_memset_#in~n| ldv_memset_~n) (not (= (_ bv0 32) ~ldv_state_variable_3~0))) [2018-11-23 00:45:21,986 INFO L451 ceAbstractionStarter]: At program point ldv_device_create_fileENTRY(lines 4539 4559) the Hoare annotation is: true [2018-11-23 00:45:21,986 INFO L451 ceAbstractionStarter]: At program point L4545(line 4545) the Hoare annotation is: true [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point L4545-1(line 4545) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_fileEXIT(lines 4539 4559) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point ldv_device_create_fileFINAL(lines 4539 4559) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L451 ceAbstractionStarter]: At program point L4555(line 4555) the Hoare annotation is: true [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point L4555-1(line 4555) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point L4548-1(lines 4548 4552) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point L4546(lines 4546 4557) no Hoare annotation was computed. [2018-11-23 00:45:21,986 INFO L451 ceAbstractionStarter]: At program point L4549(line 4549) the Hoare annotation is: true [2018-11-23 00:45:21,986 INFO L448 ceAbstractionStarter]: For program point L4548(lines 4548 4552) no Hoare annotation was computed. [2018-11-23 00:45:21,987 INFO L448 ceAbstractionStarter]: For program point L4092(lines 4092 4096) no Hoare annotation was computed. [2018-11-23 00:45:21,987 INFO L451 ceAbstractionStarter]: At program point aem_remove_sensorsENTRY(lines 4084 4110) the Hoare annotation is: true [2018-11-23 00:45:21,987 INFO L448 ceAbstractionStarter]: For program point aem_remove_sensorsEXIT(lines 4084 4110) no Hoare annotation was computed. [2018-11-23 00:45:21,987 INFO L451 ceAbstractionStarter]: At program point L4102(lines 4088 4109) the Hoare annotation is: true [2018-11-23 00:45:21,987 INFO L448 ceAbstractionStarter]: For program point aem_remove_sensorsFINAL(lines 4084 4110) no Hoare annotation was computed. [2018-11-23 00:45:21,987 INFO L451 ceAbstractionStarter]: At program point L4100(lines 4088 4109) the Hoare annotation is: true [2018-11-23 00:45:21,987 INFO L451 ceAbstractionStarter]: At program point L4098(lines 4088 4109) the Hoare annotation is: true [2018-11-23 00:45:21,987 INFO L451 ceAbstractionStarter]: At program point L4411(line 4411) the Hoare annotation is: true [2018-11-23 00:45:21,987 INFO L448 ceAbstractionStarter]: For program point L4411-1(line 4411) no Hoare annotation was computed. [2018-11-23 00:45:21,987 INFO L451 ceAbstractionStarter]: At program point IS_ERRENTRY(lines 4406 4414) the Hoare annotation is: true [2018-11-23 00:45:21,987 INFO L448 ceAbstractionStarter]: For program point IS_ERRFINAL(lines 4406 4414) no Hoare annotation was computed. [2018-11-23 00:45:21,987 INFO L448 ceAbstractionStarter]: For program point IS_ERREXIT(lines 4406 4414) no Hoare annotation was computed. [2018-11-23 00:45:21,991 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:312) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:312) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:312) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) 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) [2018-11-23 00:45:21,996 INFO L168 Benchmark]: Toolchain (without parser) took 422003.72 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 532.7 MB). Free memory was 942.5 MB in the beginning and 1.4 GB in the end (delta: -443.1 MB). Peak memory consumption was 723.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:45:22,002 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 00:45:22,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1163.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:45:22,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:45:22,003 INFO L168 Benchmark]: Boogie Preprocessor took 86.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:45:22,003 INFO L168 Benchmark]: RCFGBuilder took 9740.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.9 MB). Peak memory consumption was 257.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:45:22,004 INFO L168 Benchmark]: TraceAbstraction took 410962.70 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 292.6 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -225.8 MB). Peak memory consumption was 700.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:45:22,005 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 1163.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9740.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.9 MB). Peak memory consumption was 257.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 410962.70 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 292.6 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -225.8 MB). Peak memory consumption was 700.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4466]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...