./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/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 39032ed8b837b38d0832ebf037ffb1172feedf2a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/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 39032ed8b837b38d0832ebf037ffb1172feedf2a .................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE2 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:28:50,976 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:28:50,978 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:28:50,986 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:28:50,987 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:28:50,987 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:28:50,988 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:28:50,989 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:28:50,991 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:28:50,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:28:50,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:28:50,992 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:28:50,993 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:28:50,993 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:28:50,994 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:28:50,994 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:28:50,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:28:50,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:28:50,998 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:28:50,999 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:28:51,000 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:28:51,000 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:28:51,002 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:28:51,002 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:28:51,002 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:28:51,003 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:28:51,004 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:28:51,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:28:51,005 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:28:51,005 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:28:51,006 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:28:51,006 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:28:51,006 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:28:51,006 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:28:51,007 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:28:51,008 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:28:51,008 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 01:28:51,018 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:28:51,018 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:28:51,018 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:28:51,019 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:28:51,019 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:28:51,019 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:28:51,019 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:28:51,019 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:28:51,019 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:28:51,020 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:28:51,020 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 01:28:51,020 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:28:51,020 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:28:51,020 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:28:51,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:28:51,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:28:51,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:28:51,021 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:28:51,021 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:28:51,021 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:28:51,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:28:51,022 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:28:51,022 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:28:51,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:28:51,022 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:28:51,022 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:28:51,022 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:28:51,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:28:51,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:28:51,023 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:28:51,023 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:28:51,023 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:28:51,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:28:51,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:28:51,024 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:28:51,024 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 01:28:51,024 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_707dd8f1-668a-4a93-af7e-acfd7faf3769/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 -> 39032ed8b837b38d0832ebf037ffb1172feedf2a [2018-11-23 01:28:51,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:28:51,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:28:51,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:28:51,058 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:28:51,058 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:28:51,059 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:28:51,096 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data/e4686b790/6e266b6386054b8698eeeff78f94b41b/FLAG9d02f6b58 [2018-11-23 01:28:51,656 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:28:51,657 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:28:51,673 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data/e4686b790/6e266b6386054b8698eeeff78f94b41b/FLAG9d02f6b58 [2018-11-23 01:28:52,075 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data/e4686b790/6e266b6386054b8698eeeff78f94b41b [2018-11-23 01:28:52,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:28:52,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:28:52,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:28:52,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:28:52,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:28:52,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:52" (1/1) ... [2018-11-23 01:28:52,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f5a50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:52, skipping insertion in model container [2018-11-23 01:28:52,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:52" (1/1) ... [2018-11-23 01:28:52,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:28:52,135 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:28:52,360 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2708] [2018-11-23 01:28:52,361 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2709-2710] [2018-11-23 01:28:52,831 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:28:52,843 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:28:52,892 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2708] [2018-11-23 01:28:52,893 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2709-2710] [2018-11-23 01:28:52,956 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:28:53,014 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:28:53,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53 WrapperNode [2018-11-23 01:28:53,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:28:53,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:28:53,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:28:53,016 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:28:53,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... [2018-11-23 01:28:53,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... [2018-11-23 01:28:53,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:28:53,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:28:53,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:28:53,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:28:53,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... [2018-11-23 01:28:53,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... [2018-11-23 01:28:53,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... [2018-11-23 01:28:53,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... [2018-11-23 01:28:53,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... [2018-11-23 01:28:53,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... [2018-11-23 01:28:53,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... [2018-11-23 01:28:53,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:28:53,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:28:53,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:28:53,145 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:28:53,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/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 01:28:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_write [2018-11-23 01:28:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_write [2018-11-23 01:28:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 01:28:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 01:28:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 01:28:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2018-11-23 01:28:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2018-11-23 01:28:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_33 [2018-11-23 01:28:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_33 [2018-11-23 01:28:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:28:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2018-11-23 01:28:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2018-11-23 01:28:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2018-11-23 01:28:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 01:28:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 01:28:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 01:28:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 01:28:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 01:28:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 01:28:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2018-11-23 01:28:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2018-11-23 01:28:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-11-23 01:28:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2018-11-23 01:28:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2018-11-23 01:28:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_read [2018-11-23 01:28:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_read [2018-11-23 01:28:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2018-11-23 01:28:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2018-11-23 01:28:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2018-11-23 01:28:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2018-11-23 01:28:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 01:28:53,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 01:28:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure get_frame_size [2018-11-23 01:28:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure get_frame_size [2018-11-23 01:28:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2018-11-23 01:28:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 01:28:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 01:28:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2018-11-23 01:28:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_3 [2018-11-23 01:28:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_3 [2018-11-23 01:28:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2018-11-23 01:28:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2018-11-23 01:28:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2018-11-23 01:28:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2018-11-23 01:28:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_repack [2018-11-23 01:28:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_repack [2018-11-23 01:28:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_enable [2018-11-23 01:28:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_enable [2018-11-23 01:28:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2018-11-23 01:28:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2018-11-23 01:28:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2018-11-23 01:28:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2018-11-23 01:28:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:28:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 01:28:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 01:28:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 01:28:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-11-23 01:28:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2018-11-23 01:28:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 01:28:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 01:28:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2018-11-23 01:28:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2018-11-23 01:28:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2018-11-23 01:28:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2018-11-23 01:28:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2018-11-23 01:28:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2018-11-23 01:28:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove_len_crc [2018-11-23 01:28:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove_len_crc [2018-11-23 01:28:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2018-11-23 01:28:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2018-11-23 01:28:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_init [2018-11-23 01:28:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_init [2018-11-23 01:28:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2018-11-23 01:28:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2018-11-23 01:28:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2018-11-23 01:28:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_of_request_resources [2018-11-23 01:28:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_of_request_resources [2018-11-23 01:28:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2018-11-23 01:28:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2018-11-23 01:28:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:28:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:28:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2018-11-23 01:28:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_exit [2018-11-23 01:28:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_exit [2018-11-23 01:28:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_add_len_crc [2018-11-23 01:28:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_add_len_crc [2018-11-23 01:28:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_output_raw [2018-11-23 01:28:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:28:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:28:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 01:28:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_probe [2018-11-23 01:28:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2018-11-23 01:28:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2018-11-23 01:28:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2018-11-23 01:28:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2018-11-23 01:28:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2018-11-23 01:28:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2018-11-23 01:28:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2018-11-23 01:28:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2018-11-23 01:28:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 01:28:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_request_resources [2018-11-23 01:28:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_request_resources [2018-11-23 01:28:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:28:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 01:28:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 01:28:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2018-11-23 01:28:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2018-11-23 01:28:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 01:28:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2018-11-23 01:28:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 01:28:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2018-11-23 01:28:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2018-11-23 01:28:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2018-11-23 01:28:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_probe [2018-11-23 01:28:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_probe [2018-11-23 01:28:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-23 01:28:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2018-11-23 01:28:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2018-11-23 01:28:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2018-11-23 01:28:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2018-11-23 01:28:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2018-11-23 01:28:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 01:28:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2018-11-23 01:28:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2018-11-23 01:28:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2018-11-23 01:28:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2018-11-23 01:28:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure check_crc [2018-11-23 01:28:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crc [2018-11-23 01:28:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-23 01:28:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove [2018-11-23 01:28:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_platform_init [2018-11-23 01:28:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_platform_init [2018-11-23 01:28:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:28:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 01:28:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 01:28:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 01:28:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2018-11-23 01:28:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2018-11-23 01:28:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:28:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:28:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2018-11-23 01:28:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_remove [2018-11-23 01:28:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_remove [2018-11-23 01:28:54,846 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:28:54,846 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 01:28:54,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:54 BoogieIcfgContainer [2018-11-23 01:28:54,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:28:54,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:28:54,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:28:54,850 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:28:54,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:28:52" (1/3) ... [2018-11-23 01:28:54,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4161af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:28:54, skipping insertion in model container [2018-11-23 01:28:54,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:53" (2/3) ... [2018-11-23 01:28:54,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4161af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:28:54, skipping insertion in model container [2018-11-23 01:28:54,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:54" (3/3) ... [2018-11-23 01:28:54,853 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:28:54,862 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:28:54,868 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:28:54,882 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:28:54,911 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:28:54,911 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:28:54,911 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:28:54,911 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:28:54,912 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:28:54,912 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:28:54,912 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:28:54,912 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:28:54,933 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2018-11-23 01:28:54,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 01:28:54,945 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:54,946 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:28:54,948 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:54,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:54,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1175806130, now seen corresponding path program 1 times [2018-11-23 01:28:54,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:54,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:54,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:54,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:54,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 01:28:55,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:28:55,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:28:55,359 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:28:55,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:28:55,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:28:55,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:28:55,377 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 5 states. [2018-11-23 01:28:55,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:55,591 INFO L93 Difference]: Finished difference Result 1407 states and 1928 transitions. [2018-11-23 01:28:55,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:28:55,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-23 01:28:55,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:55,609 INFO L225 Difference]: With dead ends: 1407 [2018-11-23 01:28:55,610 INFO L226 Difference]: Without dead ends: 906 [2018-11-23 01:28:55,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:28:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-11-23 01:28:55,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 893. [2018-11-23 01:28:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2018-11-23 01:28:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1194 transitions. [2018-11-23 01:28:55,703 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1194 transitions. Word has length 78 [2018-11-23 01:28:55,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:55,704 INFO L480 AbstractCegarLoop]: Abstraction has 893 states and 1194 transitions. [2018-11-23 01:28:55,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:28:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1194 transitions. [2018-11-23 01:28:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 01:28:55,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:55,709 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:28:55,710 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:55,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:55,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1619851427, now seen corresponding path program 1 times [2018-11-23 01:28:55,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:55,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:55,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:55,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:55,714 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 01:28:55,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:28:55,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:28:55,886 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:28:55,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:28:55,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:28:55,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:28:55,888 INFO L87 Difference]: Start difference. First operand 893 states and 1194 transitions. Second operand 5 states. [2018-11-23 01:28:56,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:56,021 INFO L93 Difference]: Finished difference Result 1912 states and 2569 transitions. [2018-11-23 01:28:56,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:28:56,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2018-11-23 01:28:56,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:56,031 INFO L225 Difference]: With dead ends: 1912 [2018-11-23 01:28:56,031 INFO L226 Difference]: Without dead ends: 1352 [2018-11-23 01:28:56,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:28:56,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2018-11-23 01:28:56,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1334. [2018-11-23 01:28:56,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2018-11-23 01:28:56,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1782 transitions. [2018-11-23 01:28:56,093 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1782 transitions. Word has length 79 [2018-11-23 01:28:56,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:56,094 INFO L480 AbstractCegarLoop]: Abstraction has 1334 states and 1782 transitions. [2018-11-23 01:28:56,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:28:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1782 transitions. [2018-11-23 01:28:56,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 01:28:56,097 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:56,098 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:28:56,098 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:56,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:56,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1591516341, now seen corresponding path program 1 times [2018-11-23 01:28:56,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:56,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:56,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:56,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:56,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 01:28:56,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:28:56,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:28:56,231 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:28:56,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:28:56,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:28:56,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:28:56,232 INFO L87 Difference]: Start difference. First operand 1334 states and 1782 transitions. Second operand 5 states. [2018-11-23 01:28:56,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:56,371 INFO L93 Difference]: Finished difference Result 2804 states and 3759 transitions. [2018-11-23 01:28:56,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:28:56,371 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2018-11-23 01:28:56,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:56,377 INFO L225 Difference]: With dead ends: 2804 [2018-11-23 01:28:56,377 INFO L226 Difference]: Without dead ends: 1802 [2018-11-23 01:28:56,379 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:28:56,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2018-11-23 01:28:56,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1781. [2018-11-23 01:28:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1781 states. [2018-11-23 01:28:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2376 transitions. [2018-11-23 01:28:56,428 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2376 transitions. Word has length 80 [2018-11-23 01:28:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:56,428 INFO L480 AbstractCegarLoop]: Abstraction has 1781 states and 2376 transitions. [2018-11-23 01:28:56,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:28:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2376 transitions. [2018-11-23 01:28:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-23 01:28:56,432 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:56,432 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:28:56,432 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:56,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:56,432 INFO L82 PathProgramCache]: Analyzing trace with hash -612162435, now seen corresponding path program 1 times [2018-11-23 01:28:56,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:56,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:56,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:56,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:56,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 01:28:56,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:28:56,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:28:56,541 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:28:56,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:28:56,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:28:56,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:28:56,542 INFO L87 Difference]: Start difference. First operand 1781 states and 2376 transitions. Second operand 5 states. [2018-11-23 01:28:56,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:56,701 INFO L93 Difference]: Finished difference Result 5355 states and 7162 transitions. [2018-11-23 01:28:56,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:28:56,702 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2018-11-23 01:28:56,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:56,710 INFO L225 Difference]: With dead ends: 5355 [2018-11-23 01:28:56,710 INFO L226 Difference]: Without dead ends: 3590 [2018-11-23 01:28:56,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:28:56,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3590 states. [2018-11-23 01:28:56,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3590 to 3547. [2018-11-23 01:28:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3547 states. [2018-11-23 01:28:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3547 states and 4733 transitions. [2018-11-23 01:28:56,790 INFO L78 Accepts]: Start accepts. Automaton has 3547 states and 4733 transitions. Word has length 81 [2018-11-23 01:28:56,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:56,791 INFO L480 AbstractCegarLoop]: Abstraction has 3547 states and 4733 transitions. [2018-11-23 01:28:56,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:28:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 4733 transitions. [2018-11-23 01:28:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-23 01:28:56,793 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:56,793 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:28:56,793 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:56,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:56,793 INFO L82 PathProgramCache]: Analyzing trace with hash 769235111, now seen corresponding path program 1 times [2018-11-23 01:28:56,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:56,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:56,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:56,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:56,795 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 01:28:56,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:28:56,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:28:56,892 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:28:56,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:28:56,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:28:56,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:28:56,893 INFO L87 Difference]: Start difference. First operand 3547 states and 4733 transitions. Second operand 5 states. [2018-11-23 01:28:56,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:56,990 INFO L93 Difference]: Finished difference Result 5848 states and 7836 transitions. [2018-11-23 01:28:56,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:28:56,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2018-11-23 01:28:56,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:56,999 INFO L225 Difference]: With dead ends: 5848 [2018-11-23 01:28:56,999 INFO L226 Difference]: Without dead ends: 3611 [2018-11-23 01:28:57,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:28:57,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3611 states. [2018-11-23 01:28:57,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3611 to 3563. [2018-11-23 01:28:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3563 states. [2018-11-23 01:28:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 4741 transitions. [2018-11-23 01:28:57,087 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 4741 transitions. Word has length 82 [2018-11-23 01:28:57,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:57,088 INFO L480 AbstractCegarLoop]: Abstraction has 3563 states and 4741 transitions. [2018-11-23 01:28:57,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:28:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4741 transitions. [2018-11-23 01:28:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-23 01:28:57,090 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:57,090 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:28:57,090 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:57,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:57,090 INFO L82 PathProgramCache]: Analyzing trace with hash -2042108160, now seen corresponding path program 1 times [2018-11-23 01:28:57,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:57,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:57,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:57,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:57,092 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 01:28:57,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:28:57,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:28:57,188 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:28:57,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:28:57,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:28:57,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:28:57,189 INFO L87 Difference]: Start difference. First operand 3563 states and 4741 transitions. Second operand 5 states. [2018-11-23 01:28:57,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:57,306 INFO L93 Difference]: Finished difference Result 7393 states and 9867 transitions. [2018-11-23 01:28:57,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:28:57,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2018-11-23 01:28:57,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:57,318 INFO L225 Difference]: With dead ends: 7393 [2018-11-23 01:28:57,318 INFO L226 Difference]: Without dead ends: 4481 [2018-11-23 01:28:57,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:28:57,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2018-11-23 01:28:57,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4442. [2018-11-23 01:28:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2018-11-23 01:28:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 5898 transitions. [2018-11-23 01:28:57,422 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 5898 transitions. Word has length 81 [2018-11-23 01:28:57,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:57,423 INFO L480 AbstractCegarLoop]: Abstraction has 4442 states and 5898 transitions. [2018-11-23 01:28:57,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:28:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 5898 transitions. [2018-11-23 01:28:57,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 01:28:57,425 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:57,425 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:28:57,425 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:57,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:57,426 INFO L82 PathProgramCache]: Analyzing trace with hash 960447258, now seen corresponding path program 1 times [2018-11-23 01:28:57,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:57,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:57,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:57,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:57,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 01:28:57,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:28:57,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:28:57,524 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:28:57,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:28:57,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:28:57,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:28:57,525 INFO L87 Difference]: Start difference. First operand 4442 states and 5898 transitions. Second operand 5 states. [2018-11-23 01:28:57,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:57,683 INFO L93 Difference]: Finished difference Result 7339 states and 9775 transitions. [2018-11-23 01:28:57,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:28:57,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-11-23 01:28:57,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:57,693 INFO L225 Difference]: With dead ends: 7339 [2018-11-23 01:28:57,693 INFO L226 Difference]: Without dead ends: 4522 [2018-11-23 01:28:57,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:28:57,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2018-11-23 01:28:57,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 4462. [2018-11-23 01:28:57,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4462 states. [2018-11-23 01:28:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4462 states and 5908 transitions. [2018-11-23 01:28:57,810 INFO L78 Accepts]: Start accepts. Automaton has 4462 states and 5908 transitions. Word has length 83 [2018-11-23 01:28:57,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:57,810 INFO L480 AbstractCegarLoop]: Abstraction has 4462 states and 5908 transitions. [2018-11-23 01:28:57,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:28:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4462 states and 5908 transitions. [2018-11-23 01:28:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 01:28:57,812 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:57,812 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:28:57,813 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:57,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:57,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1384349596, now seen corresponding path program 1 times [2018-11-23 01:28:57,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:57,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:57,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:57,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:57,816 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 01:28:57,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:28:57,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:28:57,928 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:28:57,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:28:57,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:28:57,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:28:57,928 INFO L87 Difference]: Start difference. First operand 4462 states and 5908 transitions. Second operand 5 states. [2018-11-23 01:28:58,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:58,044 INFO L93 Difference]: Finished difference Result 7201 states and 9541 transitions. [2018-11-23 01:28:58,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:28:58,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-11-23 01:28:58,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:58,054 INFO L225 Difference]: With dead ends: 7201 [2018-11-23 01:28:58,054 INFO L226 Difference]: Without dead ends: 4359 [2018-11-23 01:28:58,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:28:58,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4359 states. [2018-11-23 01:28:58,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4359 to 4314. [2018-11-23 01:28:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4314 states. [2018-11-23 01:28:58,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4314 states to 4314 states and 5674 transitions. [2018-11-23 01:28:58,163 INFO L78 Accepts]: Start accepts. Automaton has 4314 states and 5674 transitions. Word has length 84 [2018-11-23 01:28:58,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:58,164 INFO L480 AbstractCegarLoop]: Abstraction has 4314 states and 5674 transitions. [2018-11-23 01:28:58,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:28:58,164 INFO L276 IsEmpty]: Start isEmpty. Operand 4314 states and 5674 transitions. [2018-11-23 01:28:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 01:28:58,166 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:58,166 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2018-11-23 01:28:58,166 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:58,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:58,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1667017871, now seen corresponding path program 1 times [2018-11-23 01:28:58,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:58,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:58,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:58,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:58,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 01:28:58,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:28:58,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:28:58,236 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:28:58,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:28:58,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:28:58,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:28:58,236 INFO L87 Difference]: Start difference. First operand 4314 states and 5674 transitions. Second operand 3 states. [2018-11-23 01:28:58,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:58,381 INFO L93 Difference]: Finished difference Result 11122 states and 14708 transitions. [2018-11-23 01:28:58,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:28:58,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2018-11-23 01:28:58,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:58,400 INFO L225 Difference]: With dead ends: 11122 [2018-11-23 01:28:58,400 INFO L226 Difference]: Without dead ends: 6824 [2018-11-23 01:28:58,408 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 01:28:58,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6824 states. [2018-11-23 01:28:58,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6824 to 6821. [2018-11-23 01:28:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6821 states. [2018-11-23 01:28:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6821 states to 6821 states and 9043 transitions. [2018-11-23 01:28:58,618 INFO L78 Accepts]: Start accepts. Automaton has 6821 states and 9043 transitions. Word has length 89 [2018-11-23 01:28:58,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:58,618 INFO L480 AbstractCegarLoop]: Abstraction has 6821 states and 9043 transitions. [2018-11-23 01:28:58,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:28:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 6821 states and 9043 transitions. [2018-11-23 01:28:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 01:28:58,621 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:58,621 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2018-11-23 01:28:58,621 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:58,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:58,622 INFO L82 PathProgramCache]: Analyzing trace with hash -436319240, now seen corresponding path program 1 times [2018-11-23 01:28:58,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:58,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:58,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:58,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:58,624 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 01:28:58,736 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:28:58,736 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:28:58,736 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 95 with the following transitions: [2018-11-23 01:28:58,738 INFO L202 CegarAbsIntRunner]: [72], [74], [76], [78], [80], [82], [84], [143], [146], [149], [306], [309], [331], [334], [337], [353], [355], [356], [357], [424], [485], [486], [565], [570], [727], [769], [772], [774], [807], [820], [821], [906], [909], [942], [944], [947], [951], [955], [957], [961], [965], [968], [974], [1004], [1005], [1008], [1011], [1015], [1046], [1047], [1048], [1049], [1050], [1051], [1052], [1053], [1054], [1055], [1064], [1065], [1090], [1094], [1116], [1160], [1161], [1180], [1181], [1182], [1183], [1184], [1192], [1193], [1194] [2018-11-23 01:28:58,767 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:28:58,767 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:28:58,948 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:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.translateStore(MappedTerm2Expression.java:288) 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.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.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) 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 01:28:58,952 INFO L168 Benchmark]: Toolchain (without parser) took 6873.71 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 509.6 MB). Free memory was 953.1 MB in the beginning and 1.3 GB in the end (delta: -330.2 MB). Peak memory consumption was 179.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:28:58,953 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:28:58,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:28:58,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.28 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:28:58,955 INFO L168 Benchmark]: Boogie Preprocessor took 83.52 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:28:58,955 INFO L168 Benchmark]: RCFGBuilder took 1702.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.6 MB). Peak memory consumption was 276.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:28:58,956 INFO L168 Benchmark]: TraceAbstraction took 4103.71 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 237.0 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -119.9 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:28:58,960 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 936.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.28 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.52 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1702.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.6 MB). Peak memory consumption was 276.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4103.71 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 237.0 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -119.9 MB). Peak memory consumption was 117.1 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 01:29:00,421 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:29:00,422 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:29:00,429 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:29:00,430 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:29:00,430 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:29:00,431 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:29:00,432 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:29:00,432 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:29:00,433 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:29:00,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:29:00,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:29:00,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:29:00,434 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:29:00,435 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:29:00,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:29:00,436 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:29:00,437 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:29:00,438 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:29:00,439 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:29:00,440 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:29:00,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:29:00,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:29:00,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:29:00,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:29:00,445 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:29:00,446 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:29:00,446 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:29:00,447 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:29:00,448 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:29:00,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:29:00,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:29:00,448 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:29:00,448 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:29:00,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:29:00,450 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:29:00,450 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 01:29:00,460 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:29:00,460 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:29:00,461 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:29:00,461 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:29:00,462 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:29:00,462 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:29:00,462 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:29:00,462 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:29:00,462 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:29:00,462 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:29:00,463 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:29:00,463 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:29:00,463 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:29:00,463 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:29:00,463 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:29:00,463 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 01:29:00,463 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 01:29:00,463 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:29:00,464 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:29:00,464 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:29:00,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:29:00,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:29:00,464 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:29:00,464 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:29:00,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:29:00,464 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:29:00,464 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:29:00,464 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:29:00,465 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 01:29:00,465 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:29:00,465 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 01:29:00,465 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 01:29:00,465 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_707dd8f1-668a-4a93-af7e-acfd7faf3769/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 -> 39032ed8b837b38d0832ebf037ffb1172feedf2a [2018-11-23 01:29:00,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:29:00,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:29:00,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:29:00,504 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:29:00,504 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:29:00,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:29:00,539 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data/53ab7f1a0/cbacb8e2b8834d5cb1a71ff7dd0626c2/FLAG865660061 [2018-11-23 01:29:00,973 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:29:00,973 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 01:29:00,992 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data/53ab7f1a0/cbacb8e2b8834d5cb1a71ff7dd0626c2/FLAG865660061 [2018-11-23 01:29:01,004 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_707dd8f1-668a-4a93-af7e-acfd7faf3769/bin-2019/utaipan/data/53ab7f1a0/cbacb8e2b8834d5cb1a71ff7dd0626c2 [2018-11-23 01:29:01,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:29:01,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:29:01,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:29:01,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:29:01,010 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:29:01,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:01" (1/1) ... [2018-11-23 01:29:01,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b8128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:01, skipping insertion in model container [2018-11-23 01:29:01,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:01" (1/1) ... [2018-11-23 01:29:01,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:29:01,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:29:01,345 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2708] [2018-11-23 01:29:01,346 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2709-2710] [2018-11-23 01:29:01,904 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:29:01,919 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:29:01,955 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2708] [2018-11-23 01:29:01,956 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2709-2710] [2018-11-23 01:29:02,030 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:29:02,043 ERROR L311 MainTranslator]: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE2: CACSL2BoogieTranslator: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE2: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ProcedureManager.computeFinalProcedureDeclarations(ProcedureManager.java:193) [2018-11-23 01:29:02,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f6296da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:02, skipping insertion in model container [2018-11-23 01:29:02,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:29:02,044 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-23 01:29:02,044 INFO L168 Benchmark]: Toolchain (without parser) took 1037.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 96.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:29:02,045 INFO L168 Benchmark]: CDTParser took 0.13 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 01:29:02,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1036.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 96.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:29:02,047 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 1036.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 96.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE2 CACSL2BoogieTranslator: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE2: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ProcedureManager.computeFinalProcedureDeclarations(ProcedureManager.java:193) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...