./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.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_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/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 4b9905371ec88c3bfbbfb93819b0c60e36e1759b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/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 4b9905371ec88c3bfbbfb93819b0c60e36e1759b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:57:16,817 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:57:16,817 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:57:16,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:57:16,824 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:57:16,825 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:57:16,826 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:57:16,827 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:57:16,829 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:57:16,829 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:57:16,830 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:57:16,830 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:57:16,831 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:57:16,831 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:57:16,832 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:57:16,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:57:16,832 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:57:16,833 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:57:16,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:57:16,836 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:57:16,836 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:57:16,837 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:57:16,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:57:16,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:57:16,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:57:16,839 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:57:16,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:57:16,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:57:16,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:57:16,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:57:16,842 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:57:16,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:57:16,843 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:57:16,843 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:57:16,844 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:57:16,844 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:57:16,844 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-22 21:57:16,852 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:57:16,852 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:57:16,853 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:57:16,853 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:57:16,853 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 21:57:16,853 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 21:57:16,853 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 21:57:16,854 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 21:57:16,854 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 21:57:16,854 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 21:57:16,854 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-22 21:57:16,854 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 21:57:16,854 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 21:57:16,854 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 21:57:16,855 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:57:16,855 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:57:16,855 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:57:16,855 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:57:16,856 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:57:16,856 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:57:16,856 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:57:16,856 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:57:16,856 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:57:16,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:57:16,856 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:57:16,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:57:16,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:57:16,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:57:16,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:57:16,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:57:16,857 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:57:16,857 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 21:57:16,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:57:16,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:57:16,858 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 21:57:16,858 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-22 21:57:16,858 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_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/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 -> 4b9905371ec88c3bfbbfb93819b0c60e36e1759b [2018-11-22 21:57:16,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:57:16,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:57:16,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:57:16,896 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:57:16,896 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:57:16,897 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point_true-unreach-call.cil.out.c [2018-11-22 21:57:16,944 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data/f7d706e52/a618a19a5c0b44cabfed7f468a5127fc/FLAG6998f069d [2018-11-22 21:57:17,523 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:57:17,524 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point_true-unreach-call.cil.out.c [2018-11-22 21:57:17,551 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data/f7d706e52/a618a19a5c0b44cabfed7f468a5127fc/FLAG6998f069d [2018-11-22 21:57:17,719 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data/f7d706e52/a618a19a5c0b44cabfed7f468a5127fc [2018-11-22 21:57:17,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:57:17,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:57:17,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:57:17,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:57:17,727 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:57:17,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:17" (1/1) ... [2018-11-22 21:57:17,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ec6f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:17, skipping insertion in model container [2018-11-22 21:57:17,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:17" (1/1) ... [2018-11-22 21:57:17,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:57:17,824 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:57:19,285 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:57:19,306 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:57:19,498 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:57:19,629 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:57:19,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19 WrapperNode [2018-11-22 21:57:19,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:57:19,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:57:19,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:57:19,630 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:57:19,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... [2018-11-22 21:57:19,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... [2018-11-22 21:57:19,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:57:19,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:57:19,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:57:19,707 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:57:19,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... [2018-11-22 21:57:19,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... [2018-11-22 21:57:19,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... [2018-11-22 21:57:19,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... [2018-11-22 21:57:19,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... [2018-11-22 21:57:19,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... [2018-11-22 21:57:19,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... [2018-11-22 21:57:19,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:57:19,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:57:19,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:57:19,865 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:57:19,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/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 [2018-11-22 21:57:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-22 21:57:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-22 21:57:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-22 21:57:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-22 21:57:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-22 21:57:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-22 21:57:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cleanup_and_insert_cmd [2018-11-22 21:57:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cleanup_and_insert_cmd [2018-11-22 21:57:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee80211_ops_2 [2018-11-22 21:57:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee80211_ops_2 [2018-11-22 21:57:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2018-11-22 21:57:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-22 21:57:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-22 21:57:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mac_address [2018-11-22 21:57:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mac_address [2018-11-22 21:57:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2018-11-22 21:57:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2018-11-22 21:57:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2018-11-22 21:57:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-22 21:57:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-22 21:57:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_tx [2018-11-22 21:57:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_tx [2018-11-22 21:57:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_get_survey [2018-11-22 21:57:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_get_survey [2018-11-22 21:57:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-22 21:57:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-22 21:57:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2018-11-22 21:57:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 21:57:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 21:57:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2018-11-22 21:57:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-22 21:57:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-22 21:57:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2018-11-22 21:57:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2018-11-22 21:57:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2018-11-22 21:57:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2018-11-22 21:57:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_set [2018-11-22 21:57:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_set [2018-11-22 21:57:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2018-11-22 21:57:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2018-11-22 21:57:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_ctrl [2018-11-22 21:57:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_ctrl [2018-11-22 21:57:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_free_adapter [2018-11-22 21:57:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_free_adapter [2018-11-22 21:57:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-22 21:57:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-22 21:57:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_bssid [2018-11-22 21:57:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_bssid [2018-11-22 21:57:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 21:57:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2018-11-22 21:57:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2018-11-22 21:57:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2018-11-22 21:57:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-22 21:57:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-22 21:57:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-22 21:57:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-22 21:57:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_channel [2018-11-22 21:57:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_channel [2018-11-22 21:57:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mode [2018-11-22 21:57:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mode [2018-11-22 21:57:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2018-11-22 21:57:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2018-11-22 21:57:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 21:57:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 21:57:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2018-11-22 21:57:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2018-11-22 21:57:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_prepare_multicast [2018-11-22 21:57:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_prepare_multicast [2018-11-22 21:57:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2018-11-22 21:57:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-22 21:57:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2018-11-22 21:57:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2018-11-22 21:57:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2018-11-22 21:57:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-22 21:57:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2018-11-22 21:57:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2018-11-22 21:57:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-11-22 21:57:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_exit_module [2018-11-22 21:57:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_exit_module [2018-11-22 21:57:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-22 21:57:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_setup_firmware [2018-11-22 21:57:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_setup_firmware [2018-11-22 21:57:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-22 21:57:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-22 21:57:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_bss_info_changed [2018-11-22 21:57:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_bss_info_changed [2018-11-22 21:57:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-11-22 21:57:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-11-22 21:57:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-22 21:57:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:57:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd_async [2018-11-22 21:57:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd_async [2018-11-22 21:57:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_queue_cmd [2018-11-22 21:57:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_queue_cmd [2018-11-22 21:57:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-22 21:57:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-22 21:57:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 21:57:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_radio_control [2018-11-22 21:57:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_radio_control [2018-11-22 21:57:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2018-11-22 21:57:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2018-11-22 21:57:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-22 21:57:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-22 21:57:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2018-11-22 21:57:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2018-11-22 21:57:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_stop [2018-11-22 21:57:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_stop [2018-11-22 21:57:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_remove_card [2018-11-22 21:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_remove_card [2018-11-22 21:57:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-22 21:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-22 21:57:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_config [2018-11-22 21:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_config [2018-11-22 21:57:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd [2018-11-22 21:57:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd [2018-11-22 21:57:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get_tim [2018-11-22 21:57:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2018-11-22 21:57:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-22 21:57:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-22 21:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-22 21:57:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2018-11-22 21:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2018-11-22 21:57:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 21:57:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2018-11-22 21:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2018-11-22 21:57:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_configure_filter [2018-11-22 21:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_configure_filter [2018-11-22 21:57:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2018-11-22 21:57:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-22 21:57:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-22 21:57:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_init_module [2018-11-22 21:57:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_init_module [2018-11-22 21:57:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-22 21:57:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mac_control [2018-11-22 21:57:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mac_control [2018-11-22 21:57:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2018-11-22 21:57:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 21:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 21:57:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 21:57:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-22 21:57:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_remove_interface [2018-11-22 21:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_remove_interface [2018-11-22 21:57:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-22 21:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-22 21:57:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-22 21:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2018-11-22 21:57:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2018-11-22 21:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-22 21:57:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-22 21:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-22 21:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_async [2018-11-22 21:57:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_async [2018-11-22 21:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-22 21:57:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-22 21:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2018-11-22 21:57:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2018-11-22 21:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_get_cmd_ctrl_node [2018-11-22 21:57:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_get_cmd_ctrl_node [2018-11-22 21:57:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_free_cmd_buffer [2018-11-22 21:57:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_free_cmd_buffer [2018-11-22 21:57:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_add_interface [2018-11-22 21:57:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_add_interface [2018-11-22 21:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure command_timer_fn [2018-11-22 21:57:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure command_timer_fn [2018-11-22 21:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_geo_init [2018-11-22 21:57:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_geo_init [2018-11-22 21:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_16 [2018-11-22 21:57:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_16 [2018-11-22 21:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successfull_zalloc [2018-11-22 21:57:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successfull_zalloc [2018-11-22 21:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_12 [2018-11-22 21:57:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_12 [2018-11-22 21:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 21:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_start [2018-11-22 21:57:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_start [2018-11-22 21:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-22 21:57:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-22 21:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-22 21:57:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-22 21:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_update_hw_spec [2018-11-22 21:57:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_update_hw_spec [2018-11-22 21:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-22 21:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:57:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_set_mac_multicast_addr [2018-11-22 21:57:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_set_mac_multicast_addr [2018-11-22 21:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-22 21:57:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-22 21:57:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2018-11-22 21:57:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2018-11-22 21:57:32,288 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:57:32,289 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-22 21:57:32,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:32 BoogieIcfgContainer [2018-11-22 21:57:32,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:57:32,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:57:32,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:57:32,292 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:57:32,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:57:17" (1/3) ... [2018-11-22 21:57:32,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e2542c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:57:32, skipping insertion in model container [2018-11-22 21:57:32,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:19" (2/3) ... [2018-11-22 21:57:32,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e2542c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:57:32, skipping insertion in model container [2018-11-22 21:57:32,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:32" (3/3) ... [2018-11-22 21:57:32,295 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point_true-unreach-call.cil.out.c [2018-11-22 21:57:32,302 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:57:32,309 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 21:57:32,320 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 21:57:32,349 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:57:32,349 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:57:32,349 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:57:32,349 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:57:32,349 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:57:32,349 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:57:32,349 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:57:32,350 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:57:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states. [2018-11-22 21:57:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-22 21:57:32,390 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:32,391 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:32,393 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:32,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:32,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1843870163, now seen corresponding path program 1 times [2018-11-22 21:57:32,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:57:32,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:32,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:32,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:32,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:57:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-22 21:57:33,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:33,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:57:33,280 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:57:33,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:57:33,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:57:33,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:57:33,293 INFO L87 Difference]: Start difference. First operand 1125 states. Second operand 3 states. [2018-11-22 21:57:36,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:36,650 INFO L93 Difference]: Finished difference Result 3241 states and 4560 transitions. [2018-11-22 21:57:36,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:57:36,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2018-11-22 21:57:36,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:36,676 INFO L225 Difference]: With dead ends: 3241 [2018-11-22 21:57:36,676 INFO L226 Difference]: Without dead ends: 2131 [2018-11-22 21:57:36,685 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 [2018-11-22 21:57:36,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2018-11-22 21:57:36,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2131. [2018-11-22 21:57:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2131 states. [2018-11-22 21:57:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2970 transitions. [2018-11-22 21:57:36,817 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2970 transitions. Word has length 114 [2018-11-22 21:57:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:36,818 INFO L480 AbstractCegarLoop]: Abstraction has 2131 states and 2970 transitions. [2018-11-22 21:57:36,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:57:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2970 transitions. [2018-11-22 21:57:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-22 21:57:36,825 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:36,825 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:36,825 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:36,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:36,826 INFO L82 PathProgramCache]: Analyzing trace with hash 200010571, now seen corresponding path program 1 times [2018-11-22 21:57:36,826 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:57:36,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:36,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:36,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:36,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:57:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:37,306 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-22 21:57:37,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:37,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 21:57:37,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:57:37,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:57:37,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:57:37,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:57:37,309 INFO L87 Difference]: Start difference. First operand 2131 states and 2970 transitions. Second operand 6 states. [2018-11-22 21:57:41,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:41,536 INFO L93 Difference]: Finished difference Result 6334 states and 8862 transitions. [2018-11-22 21:57:41,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 21:57:41,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-11-22 21:57:41,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:41,553 INFO L225 Difference]: With dead ends: 6334 [2018-11-22 21:57:41,553 INFO L226 Difference]: Without dead ends: 4211 [2018-11-22 21:57:41,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 21:57:41,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4211 states. [2018-11-22 21:57:41,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4211 to 4211. [2018-11-22 21:57:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4211 states. [2018-11-22 21:57:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 4211 states and 5888 transitions. [2018-11-22 21:57:41,676 INFO L78 Accepts]: Start accepts. Automaton has 4211 states and 5888 transitions. Word has length 117 [2018-11-22 21:57:41,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:41,677 INFO L480 AbstractCegarLoop]: Abstraction has 4211 states and 5888 transitions. [2018-11-22 21:57:41,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:57:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 4211 states and 5888 transitions. [2018-11-22 21:57:41,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-22 21:57:41,690 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:41,690 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:41,690 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:41,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:41,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1987324273, now seen corresponding path program 1 times [2018-11-22 21:57:41,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:57:41,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:41,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:41,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:41,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:57:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-22 21:57:42,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:42,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:57:42,088 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:57:42,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:57:42,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:57:42,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:57:42,089 INFO L87 Difference]: Start difference. First operand 4211 states and 5888 transitions. Second operand 3 states. [2018-11-22 21:57:43,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:43,342 INFO L93 Difference]: Finished difference Result 8783 states and 12273 transitions. [2018-11-22 21:57:43,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:57:43,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2018-11-22 21:57:43,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:43,367 INFO L225 Difference]: With dead ends: 8783 [2018-11-22 21:57:43,368 INFO L226 Difference]: Without dead ends: 4604 [2018-11-22 21:57:43,382 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 [2018-11-22 21:57:43,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4604 states. [2018-11-22 21:57:43,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4604 to 4592. [2018-11-22 21:57:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4592 states. [2018-11-22 21:57:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 4592 states and 6409 transitions. [2018-11-22 21:57:43,548 INFO L78 Accepts]: Start accepts. Automaton has 4592 states and 6409 transitions. Word has length 217 [2018-11-22 21:57:43,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:43,549 INFO L480 AbstractCegarLoop]: Abstraction has 4592 states and 6409 transitions. [2018-11-22 21:57:43,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:57:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 4592 states and 6409 transitions. [2018-11-22 21:57:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-22 21:57:43,566 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:43,567 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:43,567 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:43,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:43,567 INFO L82 PathProgramCache]: Analyzing trace with hash 526463906, now seen corresponding path program 1 times [2018-11-22 21:57:43,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:57:43,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:43,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:43,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:43,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:57:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2018-11-22 21:57:44,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:44,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:57:44,160 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:57:44,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:57:44,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:57:44,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:57:44,161 INFO L87 Difference]: Start difference. First operand 4592 states and 6409 transitions. Second operand 3 states. [2018-11-22 21:57:47,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:47,806 INFO L93 Difference]: Finished difference Result 12083 states and 16909 transitions. [2018-11-22 21:57:47,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:57:47,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2018-11-22 21:57:47,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:47,829 INFO L225 Difference]: With dead ends: 12083 [2018-11-22 21:57:47,830 INFO L226 Difference]: Without dead ends: 7541 [2018-11-22 21:57:47,839 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 [2018-11-22 21:57:47,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7541 states. [2018-11-22 21:57:47,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7541 to 7529. [2018-11-22 21:57:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7529 states. [2018-11-22 21:57:48,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7529 states to 7529 states and 10470 transitions. [2018-11-22 21:57:48,017 INFO L78 Accepts]: Start accepts. Automaton has 7529 states and 10470 transitions. Word has length 257 [2018-11-22 21:57:48,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:48,017 INFO L480 AbstractCegarLoop]: Abstraction has 7529 states and 10470 transitions. [2018-11-22 21:57:48,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:57:48,017 INFO L276 IsEmpty]: Start isEmpty. Operand 7529 states and 10470 transitions. [2018-11-22 21:57:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-22 21:57:48,029 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:48,029 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:48,029 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:48,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:48,030 INFO L82 PathProgramCache]: Analyzing trace with hash 404006136, now seen corresponding path program 1 times [2018-11-22 21:57:48,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:57:48,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:48,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:48,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:48,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:57:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-11-22 21:57:48,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:48,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:57:48,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:57:48,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:57:48,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:57:48,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:57:48,407 INFO L87 Difference]: Start difference. First operand 7529 states and 10470 transitions. Second operand 3 states. [2018-11-22 21:57:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:48,503 INFO L93 Difference]: Finished difference Result 11335 states and 15786 transitions. [2018-11-22 21:57:48,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:57:48,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2018-11-22 21:57:48,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:48,529 INFO L225 Difference]: With dead ends: 11335 [2018-11-22 21:57:48,529 INFO L226 Difference]: Without dead ends: 7545 [2018-11-22 21:57:48,541 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 [2018-11-22 21:57:48,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7545 states. [2018-11-22 21:57:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7545 to 7537. [2018-11-22 21:57:48,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7537 states. [2018-11-22 21:57:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7537 states to 7537 states and 10478 transitions. [2018-11-22 21:57:48,729 INFO L78 Accepts]: Start accepts. Automaton has 7537 states and 10478 transitions. Word has length 257 [2018-11-22 21:57:48,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:48,730 INFO L480 AbstractCegarLoop]: Abstraction has 7537 states and 10478 transitions. [2018-11-22 21:57:48,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:57:48,730 INFO L276 IsEmpty]: Start isEmpty. Operand 7537 states and 10478 transitions. [2018-11-22 21:57:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-22 21:57:48,741 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:48,741 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:48,741 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:48,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:48,742 INFO L82 PathProgramCache]: Analyzing trace with hash -155370569, now seen corresponding path program 1 times [2018-11-22 21:57:48,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:57:48,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:48,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:48,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:48,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:57:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-11-22 21:57:49,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:49,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 21:57:49,150 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:57:49,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 21:57:49,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 21:57:49,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 21:57:49,151 INFO L87 Difference]: Start difference. First operand 7537 states and 10478 transitions. Second operand 5 states. [2018-11-22 21:57:52,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:52,642 INFO L93 Difference]: Finished difference Result 15065 states and 20948 transitions. [2018-11-22 21:57:52,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 21:57:52,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 259 [2018-11-22 21:57:52,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:52,672 INFO L225 Difference]: With dead ends: 15065 [2018-11-22 21:57:52,672 INFO L226 Difference]: Without dead ends: 7563 [2018-11-22 21:57:52,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 21:57:52,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7563 states. [2018-11-22 21:57:52,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7563 to 7546. [2018-11-22 21:57:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7546 states. [2018-11-22 21:57:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7546 states to 7546 states and 10484 transitions. [2018-11-22 21:57:52,933 INFO L78 Accepts]: Start accepts. Automaton has 7546 states and 10484 transitions. Word has length 259 [2018-11-22 21:57:52,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:52,934 INFO L480 AbstractCegarLoop]: Abstraction has 7546 states and 10484 transitions. [2018-11-22 21:57:52,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 21:57:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7546 states and 10484 transitions. [2018-11-22 21:57:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-22 21:57:52,949 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:52,950 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:52,950 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:52,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:52,950 INFO L82 PathProgramCache]: Analyzing trace with hash -675732812, now seen corresponding path program 1 times [2018-11-22 21:57:52,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:57:52,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:52,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:52,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:52,955 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:57:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-11-22 21:57:53,512 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:57:53,512 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:57:53,513 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-11-22 21:57:53,516 INFO L202 CegarAbsIntRunner]: [0], [14], [18], [21], [25], [28], [30], [33], [35], [37], [39], [71], [85], [87], [101], [103], [106], [107], [108], [122], [124], [127], [141], [144], [195], [209], [211], [212], [310], [440], [442], [444], [445], [466], [468], [750], [751], [756], [769], [775], [776], [777], [778], [889], [903], [905], [909], [923], [925], [926], [927], [929], [930], [971], [985], [987], [990], [1004], [1006], [1028], [1029], [1030], [1031], [1033], [1035], [1037], [1039], [1041], [1043], [1046], [1048], [1050], [1062], [1065], [1068], [1071], [1074], [1076], [1080], [1083], [1086], [1088], [1091], [1100], [1119], [1122], [1125], [1144], [1165], [1186], [1207], [1228], [1231], [1234], [1236], [1246], [1353], [1367], [1369], [1371], [1385], [1387], [1388], [1573], [1574], [1575], [1584], [1587], [1591], [1594], [1602], [1611], [1616], [1622], [1626], [1627], [1641], [1644], [1658], [1660], [1758], [1760], [1761], [1762], [2065], [2067], [2068], [2219], [2233], [2235], [2249], [2251], [2252], [2254], [2259], [2414], [2417], [2421], [2516], [2517], [2518], [2519], [2520], [2521], [2522], [2523], [2536], [2537], [2572], [2573], [2590], [2591], [2592], [2593], [2598], [2599], [2680], [2681], [2700], [2701], [2702], [2703], [2704], [2705], [2706], [2707], [2708], [2709], [2710], [2711], [2712], [2713], [2714], [2715], [2716], [2717], [2720], [2721], [2722], [2723], [2724], [2725], [2746], [2747], [2768], [2772], [2773], [2810], [2811], [2830], [2831], [2876], [2877], [2906], [2907], [2908], [2944], [2945], [2946] [2018-11-22 21:57:53,565 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:57:53,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:58:09,910 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 21:58:09,911 INFO L272 AbstractInterpreter]: Visited 42 different actions 82 times. Never merged. Never widened. Performed 37627 root evaluator evaluations with a maximum evaluation depth of 10. Performed 37627 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Never found a fixpoint. Largest state had 1966 variables. [2018-11-22 21:58:09,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:58:09,919 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 21:58:15,494 INFO L227 lantSequenceWeakener]: Weakened 80 states. On average, predicates are now at 99.48% of their original sizes. [2018-11-22 21:58:15,494 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 21:58:15,897 INFO L415 sIntCurrentIteration]: We unified 260 AI predicates to 260 [2018-11-22 21:58:15,897 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 21:58:15,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:58:15,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [4] total 27 [2018-11-22 21:58:15,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:58:15,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-22 21:58:15,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-22 21:58:15,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2018-11-22 21:58:15,899 INFO L87 Difference]: Start difference. First operand 7546 states and 10484 transitions. Second operand 25 states. [2018-11-22 22:03:05,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:03:05,631 INFO L93 Difference]: Finished difference Result 15159 states and 21052 transitions. [2018-11-22 22:03:05,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-22 22:03:05,631 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 261 [2018-11-22 22:03:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:03:05,655 INFO L225 Difference]: With dead ends: 15159 [2018-11-22 22:03:05,655 INFO L226 Difference]: Without dead ends: 7599 [2018-11-22 22:03:05,671 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 287 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=259, Invalid=2393, Unknown=0, NotChecked=0, Total=2652 [2018-11-22 22:03:05,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7599 states. [2018-11-22 22:03:05,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7599 to 7591. [2018-11-22 22:03:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7591 states. [2018-11-22 22:03:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7591 states to 7591 states and 10526 transitions. [2018-11-22 22:03:05,968 INFO L78 Accepts]: Start accepts. Automaton has 7591 states and 10526 transitions. Word has length 261 [2018-11-22 22:03:05,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:03:05,969 INFO L480 AbstractCegarLoop]: Abstraction has 7591 states and 10526 transitions. [2018-11-22 22:03:05,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-22 22:03:05,969 INFO L276 IsEmpty]: Start isEmpty. Operand 7591 states and 10526 transitions. [2018-11-22 22:03:05,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-22 22:03:05,987 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:03:05,987 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:03:05,987 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:03:05,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:03:05,988 INFO L82 PathProgramCache]: Analyzing trace with hash -476497749, now seen corresponding path program 1 times [2018-11-22 22:03:05,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:03:05,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:05,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:03:05,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:05,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:03:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:03:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2018-11-22 22:03:06,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:03:06,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 22:03:06,836 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:03:06,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:03:06,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:03:06,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:03:06,837 INFO L87 Difference]: Start difference. First operand 7591 states and 10526 transitions. Second operand 9 states. [2018-11-22 22:03:21,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:03:21,511 INFO L93 Difference]: Finished difference Result 16747 states and 23223 transitions. [2018-11-22 22:03:21,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 22:03:21,511 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 302 [2018-11-22 22:03:21,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:03:21,538 INFO L225 Difference]: With dead ends: 16747 [2018-11-22 22:03:21,539 INFO L226 Difference]: Without dead ends: 9251 [2018-11-22 22:03:21,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-11-22 22:03:21,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9251 states. [2018-11-22 22:03:21,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9251 to 9071. [2018-11-22 22:03:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9071 states. [2018-11-22 22:03:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9071 states to 9071 states and 12516 transitions. [2018-11-22 22:03:21,935 INFO L78 Accepts]: Start accepts. Automaton has 9071 states and 12516 transitions. Word has length 302 [2018-11-22 22:03:21,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:03:21,935 INFO L480 AbstractCegarLoop]: Abstraction has 9071 states and 12516 transitions. [2018-11-22 22:03:21,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:03:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 9071 states and 12516 transitions. [2018-11-22 22:03:21,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2018-11-22 22:03:21,952 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:03:21,952 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:03:21,952 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:03:21,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:03:21,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1971045683, now seen corresponding path program 1 times [2018-11-22 22:03:21,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:03:21,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:21,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:03:21,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:03:21,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:03:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:03:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2018-11-22 22:03:22,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:03:22,647 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:03:22,647 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 453 with the following transitions: [2018-11-22 22:03:22,648 INFO L202 CegarAbsIntRunner]: [106], [107], [108], [122], [124], [127], [141], [144], [195], [209], [211], [212], [310], [311], [312], [313], [327], [329], [332], [355], [358], [362], [376], [378], [380], [394], [396], [397], [440], [442], [444], [445], [469], [483], [486], [494], [496], [501], [506], [508], [522], [524], [525], [539], [541], [543], [545], [559], [561], [562], [608], [622], [625], [627], [634], [655], [657], [660], [674], [688], [690], [691], [692], [694], [698], [700], [701], [750], [751], [752], [754], [755], [756], [769], [773], [775], [776], [777], [778], [779], [782], [796], [885], [886], [889], [903], [905], [909], [923], [925], [926], [927], [929], [930], [1031], [1033], [1035], [1037], [1039], [1041], [1043], [1046], [1048], [1050], [1062], [1065], [1068], [1071], [1074], [1076], [1080], [1083], [1086], [1088], [1091], [1100], [1119], [1122], [1125], [1128], [1131], [1133], [1136], [1144], [1165], [1186], [1207], [1228], [1249], [1270], [1273], [1276], [1278], [1389], [1403], [1406], [1408], [1422], [1424], [1477], [1486], [1491], [1503], [1507], [1508], [1511], [1513], [1519], [1520], [1573], [1574], [1665], [1666], [1667], [1668], [1761], [1762], [1828], [1842], [1844], [1847], [1861], [1874], [1888], [1890], [1891], [2061], [2063], [2064], [2065], [2067], [2068], [2128], [2130], [2131], [2132], [2146], [2148], [2151], [2153], [2156], [2197], [2199], [2213], [2215], [2216], [2219], [2233], [2235], [2249], [2251], [2252], [2254], [2259], [2414], [2417], [2418], [2420], [2421], [2479], [2481], [2482], [2536], [2537], [2572], [2573], [2578], [2579], [2590], [2591], [2592], [2593], [2602], [2603], [2604], [2605], [2608], [2609], [2610], [2611], [2616], [2617], [2618], [2619], [2630], [2631], [2632], [2633], [2646], [2647], [2648], [2649], [2660], [2661], [2680], [2681], [2700], [2701], [2702], [2703], [2704], [2705], [2706], [2707], [2708], [2709], [2710], [2711], [2712], [2713], [2714], [2715], [2716], [2717], [2720], [2721], [2722], [2723], [2724], [2725], [2728], [2729], [2754], [2755], [2768], [2778], [2779], [2780], [2781], [2794], [2795], [2874], [2875], [2876], [2877], [2888], [2889], [2892], [2893], [2898], [2899], [2906], [2907], [2908], [2942], [2943], [2944], [2945], [2946], [2958], [2959] [2018-11-22 22:03:22,659 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:03:22,660 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:03:29,552 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-22 22:03:29,555 INFO L168 Benchmark]: Toolchain (without parser) took 371832.71 ms. Allocated memory was 1.0 GB in the beginning and 5.9 GB in the end (delta: 4.8 GB). Free memory was 946.8 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-22 22:03:29,557 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:03:29,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1905.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.8 MB in the beginning and 925.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 192.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:03:29,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.53 ms. Allocated memory is still 1.2 GB. Free memory was 925.7 MB in the beginning and 922.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:03:29,558 INFO L168 Benchmark]: Boogie Preprocessor took 157.62 ms. Allocated memory is still 1.2 GB. Free memory was 922.5 MB in the beginning and 885.7 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:03:29,558 INFO L168 Benchmark]: RCFGBuilder took 12424.90 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 945.3 MB). Free memory was 885.7 MB in the beginning and 899.1 MB in the end (delta: -13.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-22 22:03:29,559 INFO L168 Benchmark]: TraceAbstraction took 357264.46 ms. Allocated memory was 2.1 GB in the beginning and 5.9 GB in the end (delta: 3.8 GB). Free memory was 899.1 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-11-22 22:03:29,562 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1905.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.8 MB in the beginning and 925.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 192.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.53 ms. Allocated memory is still 1.2 GB. Free memory was 925.7 MB in the beginning and 922.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 157.62 ms. Allocated memory is still 1.2 GB. Free memory was 922.5 MB in the beginning and 885.7 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 12424.90 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 945.3 MB). Free memory was 885.7 MB in the beginning and 899.1 MB in the end (delta: -13.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * TraceAbstraction took 357264.46 ms. Allocated memory was 2.1 GB in the beginning and 5.9 GB in the end (delta: 3.8 GB). Free memory was 899.1 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-22 22:03:31,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:03:31,308 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:03:31,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:03:31,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:03:31,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:03:31,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:03:31,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:03:31,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:03:31,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:03:31,323 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:03:31,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:03:31,324 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:03:31,325 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:03:31,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:03:31,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:03:31,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:03:31,328 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:03:31,330 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:03:31,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:03:31,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:03:31,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:03:31,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:03:31,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:03:31,336 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:03:31,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:03:31,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:03:31,339 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:03:31,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:03:31,340 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:03:31,340 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:03:31,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:03:31,341 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:03:31,341 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:03:31,342 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:03:31,343 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:03:31,343 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-22 22:03:31,355 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:03:31,355 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:03:31,356 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:03:31,356 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:03:31,356 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:03:31,356 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:03:31,356 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:03:31,356 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:03:31,357 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:03:31,357 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:03:31,357 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:03:31,358 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:03:31,358 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:03:31,358 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:03:31,358 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:03:31,358 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 22:03:31,360 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 22:03:31,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:03:31,360 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:03:31,360 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:03:31,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:03:31,361 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:03:31,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:03:31,361 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:03:31,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:03:31,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:03:31,361 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:03:31,362 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:03:31,362 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-22 22:03:31,362 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:03:31,362 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 22:03:31,362 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 22:03:31,362 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_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/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 -> 4b9905371ec88c3bfbbfb93819b0c60e36e1759b [2018-11-22 22:03:31,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:03:31,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:03:31,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:03:31,415 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:03:31,415 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:03:31,416 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point_true-unreach-call.cil.out.c [2018-11-22 22:03:31,463 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data/7747d082b/03758b5408474f3baf28faa6dd4c0b05/FLAGc7a19131e [2018-11-22 22:03:32,016 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:03:32,016 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point_true-unreach-call.cil.out.c [2018-11-22 22:03:32,045 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data/7747d082b/03758b5408474f3baf28faa6dd4c0b05/FLAGc7a19131e [2018-11-22 22:03:32,227 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/data/7747d082b/03758b5408474f3baf28faa6dd4c0b05 [2018-11-22 22:03:32,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:03:32,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:03:32,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:03:32,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:03:32,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:03:32,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:03:32" (1/1) ... [2018-11-22 22:03:32,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209134ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:32, skipping insertion in model container [2018-11-22 22:03:32,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:03:32" (1/1) ... [2018-11-22 22:03:32,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:03:32,346 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:03:34,121 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:03:34,152 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:03:34,431 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:03:34,653 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:03:34,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34 WrapperNode [2018-11-22 22:03:34,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:03:34,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:03:34,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:03:34,655 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:03:34,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... [2018-11-22 22:03:34,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... [2018-11-22 22:03:34,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:03:34,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:03:34,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:03:34,739 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:03:34,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... [2018-11-22 22:03:34,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... [2018-11-22 22:03:34,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... [2018-11-22 22:03:34,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... [2018-11-22 22:03:34,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... [2018-11-22 22:03:34,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... [2018-11-22 22:03:34,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... [2018-11-22 22:03:34,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:03:34,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:03:34,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:03:34,925 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:03:34,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/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 [2018-11-22 22:03:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-22 22:03:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-22 22:03:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-22 22:03:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-22 22:03:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 22:03:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-22 22:03:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-22 22:03:34,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-22 22:03:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-22 22:03:34,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-22 22:03:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cleanup_and_insert_cmd [2018-11-22 22:03:34,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cleanup_and_insert_cmd [2018-11-22 22:03:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee80211_ops_2 [2018-11-22 22:03:34,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee80211_ops_2 [2018-11-22 22:03:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2018-11-22 22:03:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-22 22:03:34,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-22 22:03:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mac_address [2018-11-22 22:03:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mac_address [2018-11-22 22:03:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2018-11-22 22:03:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2018-11-22 22:03:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2018-11-22 22:03:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-22 22:03:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-22 22:03:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_tx [2018-11-22 22:03:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_tx [2018-11-22 22:03:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_get_survey [2018-11-22 22:03:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_get_survey [2018-11-22 22:03:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-22 22:03:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-22 22:03:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2018-11-22 22:03:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:03:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:03:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2018-11-22 22:03:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-22 22:03:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-22 22:03:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2018-11-22 22:03:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2018-11-22 22:03:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2018-11-22 22:03:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2018-11-22 22:03:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_set [2018-11-22 22:03:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_set [2018-11-22 22:03:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2018-11-22 22:03:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2018-11-22 22:03:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_ctrl [2018-11-22 22:03:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_ctrl [2018-11-22 22:03:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_free_adapter [2018-11-22 22:03:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_free_adapter [2018-11-22 22:03:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-22 22:03:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-22 22:03:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_bssid [2018-11-22 22:03:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_bssid [2018-11-22 22:03:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 22:03:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2018-11-22 22:03:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2018-11-22 22:03:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2018-11-22 22:03:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-22 22:03:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-22 22:03:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-22 22:03:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-22 22:03:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_channel [2018-11-22 22:03:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_channel [2018-11-22 22:03:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mode [2018-11-22 22:03:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mode [2018-11-22 22:03:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-22 22:03:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-22 22:03:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-22 22:03:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2018-11-22 22:03:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2018-11-22 22:03:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:03:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-22 22:03:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 22:03:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2018-11-22 22:03:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2018-11-22 22:03:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-11-22 22:03:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-22 22:03:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-22 22:03:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-22 22:03:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_prepare_multicast [2018-11-22 22:03:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_prepare_multicast [2018-11-22 22:03:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2018-11-22 22:03:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-22 22:03:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2018-11-22 22:03:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2018-11-22 22:03:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2018-11-22 22:03:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-22 22:03:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2018-11-22 22:03:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2018-11-22 22:03:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-11-22 22:03:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_exit_module [2018-11-22 22:03:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_exit_module [2018-11-22 22:03:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-22 22:03:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_setup_firmware [2018-11-22 22:03:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_setup_firmware [2018-11-22 22:03:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-22 22:03:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-22 22:03:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_bss_info_changed [2018-11-22 22:03:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_bss_info_changed [2018-11-22 22:03:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-11-22 22:03:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-11-22 22:03:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:03:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd_async [2018-11-22 22:03:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd_async [2018-11-22 22:03:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_queue_cmd [2018-11-22 22:03:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_queue_cmd [2018-11-22 22:03:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-22 22:03:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-22 22:03:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_radio_control [2018-11-22 22:03:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_radio_control [2018-11-22 22:03:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2018-11-22 22:03:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2018-11-22 22:03:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-22 22:03:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-22 22:03:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2018-11-22 22:03:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2018-11-22 22:03:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2018-11-22 22:03:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2018-11-22 22:03:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_stop [2018-11-22 22:03:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_stop [2018-11-22 22:03:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_remove_card [2018-11-22 22:03:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_remove_card [2018-11-22 22:03:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-22 22:03:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-22 22:03:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_config [2018-11-22 22:03:34,999 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_config [2018-11-22 22:03:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd [2018-11-22 22:03:34,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd [2018-11-22 22:03:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get_tim [2018-11-22 22:03:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2018-11-22 22:03:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-22 22:03:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-11-22 22:03:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-11-22 22:03:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2018-11-22 22:03:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2018-11-22 22:03:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-22 22:03:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-22 22:03:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-22 22:03:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-22 22:03:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2018-11-22 22:03:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2018-11-22 22:03:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_configure_filter [2018-11-22 22:03:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_configure_filter [2018-11-22 22:03:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2018-11-22 22:03:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-22 22:03:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-22 22:03:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_init_module [2018-11-22 22:03:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_init_module [2018-11-22 22:03:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-22 22:03:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mac_control [2018-11-22 22:03:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mac_control [2018-11-22 22:03:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2018-11-22 22:03:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:03:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:03:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 22:03:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-22 22:03:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_remove_interface [2018-11-22 22:03:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_remove_interface [2018-11-22 22:03:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-22 22:03:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-22 22:03:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-22 22:03:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-22 22:03:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-22 22:03:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-22 22:03:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_async [2018-11-22 22:03:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_async [2018-11-22 22:03:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-22 22:03:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-22 22:03:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2018-11-22 22:03:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2018-11-22 22:03:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_get_cmd_ctrl_node [2018-11-22 22:03:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_get_cmd_ctrl_node [2018-11-22 22:03:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_free_cmd_buffer [2018-11-22 22:03:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_free_cmd_buffer [2018-11-22 22:03:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_add_interface [2018-11-22 22:03:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_add_interface [2018-11-22 22:03:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure command_timer_fn [2018-11-22 22:03:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure command_timer_fn [2018-11-22 22:03:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_geo_init [2018-11-22 22:03:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_geo_init [2018-11-22 22:03:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_16 [2018-11-22 22:03:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_16 [2018-11-22 22:03:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successfull_zalloc [2018-11-22 22:03:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successfull_zalloc [2018-11-22 22:03:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_12 [2018-11-22 22:03:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_12 [2018-11-22 22:03:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_start [2018-11-22 22:03:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_start [2018-11-22 22:03:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-22 22:03:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-22 22:03:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-22 22:03:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-22 22:03:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_update_hw_spec [2018-11-22 22:03:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_update_hw_spec [2018-11-22 22:03:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-22 22:03:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:03:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:03:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_set_mac_multicast_addr [2018-11-22 22:03:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_set_mac_multicast_addr [2018-11-22 22:03:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-22 22:03:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-22 22:03:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2018-11-22 22:03:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2018-11-22 22:04:05,265 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:04:05,265 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-22 22:04:05,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:04:05 BoogieIcfgContainer [2018-11-22 22:04:05,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:04:05,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:04:05,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:04:05,269 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:04:05,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:03:32" (1/3) ... [2018-11-22 22:04:05,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f6af99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:04:05, skipping insertion in model container [2018-11-22 22:04:05,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:03:34" (2/3) ... [2018-11-22 22:04:05,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f6af99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:04:05, skipping insertion in model container [2018-11-22 22:04:05,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:04:05" (3/3) ... [2018-11-22 22:04:05,273 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point_true-unreach-call.cil.out.c [2018-11-22 22:04:05,284 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:04:05,292 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:04:05,306 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:04:05,340 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:04:05,341 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:04:05,341 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:04:05,341 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:04:05,341 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:04:05,341 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:04:05,341 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:04:05,341 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:04:05,341 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:04:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states. [2018-11-22 22:04:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-22 22:04:05,384 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:04:05,385 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:04:05,387 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:04:05,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:04:05,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1646659647, now seen corresponding path program 1 times [2018-11-22 22:04:05,402 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:04:05,402 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82abb69f-5b62-4998-8eea-0fec0d9ce8c9/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:04:05,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:04:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:04:08,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:04:08,438 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-22 22:04:08,438 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:04:08,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:04:08,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:04:08,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:04:08,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:04:08,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:04:08,470 INFO L87 Difference]: Start difference. First operand 1125 states. Second operand 3 states. [2018-11-22 22:04:15,908 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-22 22:04:15,910 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:334) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:258) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:715) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-11-22 22:04:15,913 INFO L168 Benchmark]: Toolchain (without parser) took 43682.50 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 937.0 MB in the beginning and 1.4 GB in the end (delta: -444.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-22 22:04:15,914 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-11-22 22:04:15,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2421.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 937.0 MB in the beginning and 958.6 MB in the end (delta: -21.6 MB). Peak memory consumption was 194.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:04:15,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.46 ms. Allocated memory is still 1.2 GB. Free memory was 958.6 MB in the beginning and 952.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:04:15,916 INFO L168 Benchmark]: Boogie Preprocessor took 185.95 ms. Allocated memory is still 1.2 GB. Free memory was 952.8 MB in the beginning and 912.6 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:04:15,916 INFO L168 Benchmark]: RCFGBuilder took 30341.07 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 912.6 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-22 22:04:15,916 INFO L168 Benchmark]: TraceAbstraction took 10646.03 ms. Allocated memory is still 2.6 GB. Free memory was 2.1 GB in the beginning and 1.4 GB in the end (delta: 732.7 MB). Peak memory consumption was 732.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:04:15,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 2421.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 937.0 MB in the beginning and 958.6 MB in the end (delta: -21.6 MB). Peak memory consumption was 194.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.46 ms. Allocated memory is still 1.2 GB. Free memory was 958.6 MB in the beginning and 952.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 185.95 ms. Allocated memory is still 1.2 GB. Free memory was 952.8 MB in the beginning and 912.6 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 30341.07 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 912.6 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * TraceAbstraction took 10646.03 ms. Allocated memory is still 2.6 GB. Free memory was 2.1 GB in the beginning and 1.4 GB in the end (delta: 732.7 MB). Peak memory consumption was 732.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...