./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 701f399f Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e9fad8e4cf3911fa9881577a543d060495d5513 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: alternation not yet supported: (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (exists ((v_prenex_1 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32))) (let ((.cse0 (store (select |#memory_$Pointer$.offset| f_22_get_~kobj.base) (bvadd f_22_get_~kobj.offset (_ bv14 32)) v_DerPreprocessor_5)) (.cse1 (bvadd |f_22_get_#in~kobj.offset| (_ bv12 32)))) (or (= (select (store (select (store |#memory_$Pointer$.offset| f_22_get_~kobj.base .cse0) |f_22_get_#in~kobj.base|) .cse1 v_DerPreprocessor_2) (_ bv0 32)) (_ bv0 32)) (not (= v_DerPreprocessor_5 (select .cse0 (bvadd f_22_get_~kobj.offset (_ bv12 32))))) (let ((.cse2 (store (select |old(#memory_$Pointer$.offset)| |f_22_get_#in~kobj.base|) (bvadd |f_22_get_#in~kobj.offset| (_ bv14 32)) v_DerPreprocessor_4))) (and (= v_DerPreprocessor_4 (select .cse2 .cse1)) (not (= (_ bv0 32) (select (store .cse2 .cse1 v_prenex_1) (_ bv0 32)))))))))) --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-701f399 [2019-11-22 10:10:16,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 10:10:16,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 10:10:16,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 10:10:16,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 10:10:16,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 10:10:16,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 10:10:16,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 10:10:16,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 10:10:16,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 10:10:16,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 10:10:16,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 10:10:16,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 10:10:16,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 10:10:16,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 10:10:16,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 10:10:16,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 10:10:16,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 10:10:16,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 10:10:16,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 10:10:16,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 10:10:16,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 10:10:16,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 10:10:16,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 10:10:16,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 10:10:16,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 10:10:16,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 10:10:16,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 10:10:16,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 10:10:16,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 10:10:16,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 10:10:16,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 10:10:16,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 10:10:17,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 10:10:17,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 10:10:17,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 10:10:17,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 10:10:17,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 10:10:17,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 10:10:17,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 10:10:17,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 10:10:17,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-22 10:10:17,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 10:10:17,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 10:10:17,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 10:10:17,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 10:10:17,022 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 10:10:17,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 10:10:17,023 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 10:10:17,023 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 10:10:17,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 10:10:17,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 10:10:17,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 10:10:17,024 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 10:10:17,024 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 10:10:17,024 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 10:10:17,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 10:10:17,025 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 10:10:17,025 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 10:10:17,026 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 10:10:17,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 10:10:17,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 10:10:17,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 10:10:17,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 10:10:17,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 10:10:17,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 10:10:17,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 10:10:17,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 10:10:17,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 10:10:17,028 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 10:10:17,029 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 10:10:17,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 10:10:17,029 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e9fad8e4cf3911fa9881577a543d060495d5513 [2019-11-22 10:10:17,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 10:10:17,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 10:10:17,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 10:10:17,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 10:10:17,364 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 10:10:17,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-22 10:10:17,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79bce5d78/4350eae333d040a7a42e6cdf16dc0ac6/FLAGa7cb34b29 [2019-11-22 10:10:17,969 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 10:10:17,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-22 10:10:17,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79bce5d78/4350eae333d040a7a42e6cdf16dc0ac6/FLAGa7cb34b29 [2019-11-22 10:10:18,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79bce5d78/4350eae333d040a7a42e6cdf16dc0ac6 [2019-11-22 10:10:18,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 10:10:18,226 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 10:10:18,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 10:10:18,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 10:10:18,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 10:10:18,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:10:18" (1/1) ... [2019-11-22 10:10:18,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47eb4a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:18, skipping insertion in model container [2019-11-22 10:10:18,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:10:18" (1/1) ... [2019-11-22 10:10:18,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 10:10:18,311 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:10:18,729 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:10:18,731 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-22 10:10:18,731 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:10:18,759 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:10:18,759 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-22 10:10:18,760 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:10:18,764 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:10:18,765 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-22 10:10:18,766 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:10:18,770 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:10:18,771 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-22 10:10:18,771 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:10:18,815 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-22 10:10:18,819 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-22 10:10:18,819 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:10:18,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:10:18,859 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 10:10:18,878 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:10:18,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:10:18,944 INFO L201 MainTranslator]: Completed pre-run [2019-11-22 10:10:19,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:10:19,097 INFO L205 MainTranslator]: Completed translation [2019-11-22 10:10:19,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19 WrapperNode [2019-11-22 10:10:19,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 10:10:19,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 10:10:19,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 10:10:19,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 10:10:19,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19" (1/1) ... [2019-11-22 10:10:19,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19" (1/1) ... [2019-11-22 10:10:19,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19" (1/1) ... [2019-11-22 10:10:19,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19" (1/1) ... [2019-11-22 10:10:19,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19" (1/1) ... [2019-11-22 10:10:19,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19" (1/1) ... [2019-11-22 10:10:19,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19" (1/1) ... [2019-11-22 10:10:19,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 10:10:19,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 10:10:19,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 10:10:19,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 10:10:19,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-22 10:10:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 10:10:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 10:10:19,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:10:19,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:10:19,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 10:10:19,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 10:10:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 10:10:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 10:10:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 10:10:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 10:10:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 10:10:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 10:10:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 10:10:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:10:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 10:10:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 10:10:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 10:10:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 10:10:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 10:10:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 10:10:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 10:10:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 10:10:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 10:10:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 10:10:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 10:10:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 10:10:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 10:10:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 10:10:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 10:10:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 10:10:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 10:10:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 10:10:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 10:10:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 10:10:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 10:10:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 10:10:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 10:10:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 10:10:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 10:10:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 10:10:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 10:10:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 10:10:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_get [2019-11-22 10:10:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_put [2019-11-22 10:10:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 10:10:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 10:10:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 10:10:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 10:10:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 10:10:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 10:10:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 10:10:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 10:10:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 10:10:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 10:10:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 10:10:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 10:10:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 10:10:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 10:10:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 10:10:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 10:10:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 10:10:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 10:10:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 10:10:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 10:10:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 10:10:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 10:10:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 10:10:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 10:10:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 10:10:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 10:10:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 10:10:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 10:10:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 10:10:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 10:10:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 10:10:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 10:10:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 10:10:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 10:10:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 10:10:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 10:10:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 10:10:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 10:10:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 10:10:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 10:10:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 10:10:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 10:10:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 10:10:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 10:10:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 10:10:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 10:10:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 10:10:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 10:10:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 10:10:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 10:10:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 10:10:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 10:10:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 10:10:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 10:10:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 10:10:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 10:10:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 10:10:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 10:10:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 10:10:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 10:10:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 10:10:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 10:10:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 10:10:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 10:10:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 10:10:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 10:10:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 10:10:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 10:10:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 10:10:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 10:10:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 10:10:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 10:10:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 10:10:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 10:10:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 10:10:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 10:10:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 10:10:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 10:10:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 10:10:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 10:10:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 10:10:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 10:10:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 10:10:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 10:10:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 10:10:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 10:10:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 10:10:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 10:10:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 10:10:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 10:10:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 10:10:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 10:10:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 10:10:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 10:10:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 10:10:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 10:10:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 10:10:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 10:10:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 10:10:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 10:10:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 10:10:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 10:10:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 10:10:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 10:10:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 10:10:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 10:10:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 10:10:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 10:10:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 10:10:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 10:10:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 10:10:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 10:10:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 10:10:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 10:10:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 10:10:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 10:10:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 10:10:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 10:10:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 10:10:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 10:10:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 10:10:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 10:10:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 10:10:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:10:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 10:10:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 10:10:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 10:10:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 10:10:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 10:10:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 10:10:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 10:10:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 10:10:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 10:10:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 10:10:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 10:10:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 10:10:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 10:10:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 10:10:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 10:10:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 10:10:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 10:10:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 10:10:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 10:10:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 10:10:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 10:10:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:10:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 10:10:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 10:10:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 10:10:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 10:10:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 10:10:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 10:10:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 10:10:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 10:10:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 10:10:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 10:10:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 10:10:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 10:10:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 10:10:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 10:10:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_get [2019-11-22 10:10:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_put [2019-11-22 10:10:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 10:10:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 10:10:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 10:10:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 10:10:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 10:10:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 10:10:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:10:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 10:10:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 10:10:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 10:10:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 10:10:20,073 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:10:20,450 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:10:20,787 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 10:10:20,787 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 10:10:20,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:10:20 BoogieIcfgContainer [2019-11-22 10:10:20,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 10:10:20,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 10:10:20,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 10:10:20,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 10:10:20,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:10:18" (1/3) ... [2019-11-22 10:10:20,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500fcc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:10:20, skipping insertion in model container [2019-11-22 10:10:20,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:19" (2/3) ... [2019-11-22 10:10:20,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500fcc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:10:20, skipping insertion in model container [2019-11-22 10:10:20,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:10:20" (3/3) ... [2019-11-22 10:10:20,798 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_4.i [2019-11-22 10:10:20,808 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 10:10:20,816 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-22 10:10:20,828 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-22 10:10:20,850 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 10:10:20,850 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 10:10:20,850 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 10:10:20,851 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 10:10:20,851 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 10:10:20,851 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 10:10:20,851 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 10:10:20,852 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 10:10:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2019-11-22 10:10:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 10:10:20,884 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:20,885 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:20,886 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:20,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:20,893 INFO L82 PathProgramCache]: Analyzing trace with hash -604206848, now seen corresponding path program 1 times [2019-11-22 10:10:20,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:20,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1242293475] [2019-11-22 10:10:20,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:21,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:10:21,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:21,339 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:10:21,340 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:21,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:21,352 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:21,353 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:10:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:21,389 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:21,468 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1242293475] [2019-11-22 10:10:21,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:21,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 10:10:21,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870953813] [2019-11-22 10:10:21,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:10:21,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:21,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:10:21,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:10:21,496 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 5 states. [2019-11-22 10:10:21,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:21,852 INFO L93 Difference]: Finished difference Result 160 states and 171 transitions. [2019-11-22 10:10:21,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:10:21,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-22 10:10:21,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:21,871 INFO L225 Difference]: With dead ends: 160 [2019-11-22 10:10:21,871 INFO L226 Difference]: Without dead ends: 157 [2019-11-22 10:10:21,873 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:10:21,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-22 10:10:21,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2019-11-22 10:10:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-22 10:10:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 162 transitions. [2019-11-22 10:10:21,948 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 162 transitions. Word has length 17 [2019-11-22 10:10:21,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:21,949 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 162 transitions. [2019-11-22 10:10:21,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:10:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 162 transitions. [2019-11-22 10:10:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 10:10:21,951 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:21,951 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:22,157 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:22,158 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:22,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:22,160 INFO L82 PathProgramCache]: Analyzing trace with hash -604206847, now seen corresponding path program 1 times [2019-11-22 10:10:22,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:22,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1025564047] [2019-11-22 10:10:22,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:22,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 10:10:22,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:22,478 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:10:22,479 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:22,486 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:22,487 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:22,488 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:10:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:22,553 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:22,881 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1025564047] [2019-11-22 10:10:22,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:22,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-22 10:10:22,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202600318] [2019-11-22 10:10:22,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 10:10:22,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:22,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 10:10:22,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-22 10:10:22,888 INFO L87 Difference]: Start difference. First operand 151 states and 162 transitions. Second operand 10 states. [2019-11-22 10:10:23,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:23,648 INFO L93 Difference]: Finished difference Result 156 states and 167 transitions. [2019-11-22 10:10:23,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 10:10:23,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-22 10:10:23,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:23,659 INFO L225 Difference]: With dead ends: 156 [2019-11-22 10:10:23,659 INFO L226 Difference]: Without dead ends: 156 [2019-11-22 10:10:23,659 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-11-22 10:10:23,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-22 10:10:23,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 151. [2019-11-22 10:10:23,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-22 10:10:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2019-11-22 10:10:23,673 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 17 [2019-11-22 10:10:23,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:23,673 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2019-11-22 10:10:23,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 10:10:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2019-11-22 10:10:23,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-22 10:10:23,674 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:23,674 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:23,877 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:23,878 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:23,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:23,879 INFO L82 PathProgramCache]: Analyzing trace with hash -575577697, now seen corresponding path program 1 times [2019-11-22 10:10:23,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:23,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [724628657] [2019-11-22 10:10:23,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:24,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 10:10:24,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:24,139 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:24,183 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [724628657] [2019-11-22 10:10:24,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:24,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 10:10:24,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394564844] [2019-11-22 10:10:24,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:10:24,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:24,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:10:24,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:10:24,187 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand 5 states. [2019-11-22 10:10:24,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:24,232 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2019-11-22 10:10:24,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:10:24,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-22 10:10:24,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:24,236 INFO L225 Difference]: With dead ends: 150 [2019-11-22 10:10:24,236 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 10:10:24,236 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:10:24,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 10:10:24,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-11-22 10:10:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-22 10:10:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2019-11-22 10:10:24,251 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 17 [2019-11-22 10:10:24,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:24,251 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2019-11-22 10:10:24,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:10:24,251 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2019-11-22 10:10:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-22 10:10:24,253 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:24,253 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:24,463 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:24,464 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:24,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:24,465 INFO L82 PathProgramCache]: Analyzing trace with hash 300911328, now seen corresponding path program 1 times [2019-11-22 10:10:24,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:24,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [596967899] [2019-11-22 10:10:24,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:24,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:10:24,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:24,750 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:24,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [596967899] [2019-11-22 10:10:24,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:24,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-22 10:10:24,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208012037] [2019-11-22 10:10:24,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:10:24,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:24,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:10:24,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:10:24,831 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand 5 states. [2019-11-22 10:10:24,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:24,852 INFO L93 Difference]: Finished difference Result 150 states and 157 transitions. [2019-11-22 10:10:24,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:10:24,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-22 10:10:24,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:24,855 INFO L225 Difference]: With dead ends: 150 [2019-11-22 10:10:24,855 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 10:10:24,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:10:24,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 10:10:24,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-11-22 10:10:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-22 10:10:24,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 155 transitions. [2019-11-22 10:10:24,870 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 155 transitions. Word has length 29 [2019-11-22 10:10:24,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:24,872 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 155 transitions. [2019-11-22 10:10:24,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:10:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 155 transitions. [2019-11-22 10:10:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-22 10:10:24,874 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:24,874 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:25,074 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:25,075 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:25,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:25,076 INFO L82 PathProgramCache]: Analyzing trace with hash -696161025, now seen corresponding path program 1 times [2019-11-22 10:10:25,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:25,077 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1282761788] [2019-11-22 10:10:25,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:25,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-22 10:10:25,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:25,456 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:25,504 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1282761788] [2019-11-22 10:10:25,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:25,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2019-11-22 10:10:25,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665307673] [2019-11-22 10:10:25,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-22 10:10:25,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:25,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-22 10:10:25,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-22 10:10:25,506 INFO L87 Difference]: Start difference. First operand 148 states and 155 transitions. Second operand 9 states. [2019-11-22 10:10:25,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:25,618 INFO L93 Difference]: Finished difference Result 168 states and 176 transitions. [2019-11-22 10:10:25,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 10:10:25,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2019-11-22 10:10:25,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:25,621 INFO L225 Difference]: With dead ends: 168 [2019-11-22 10:10:25,621 INFO L226 Difference]: Without dead ends: 168 [2019-11-22 10:10:25,621 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-22 10:10:25,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-22 10:10:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 162. [2019-11-22 10:10:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-11-22 10:10:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 169 transitions. [2019-11-22 10:10:25,631 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 169 transitions. Word has length 29 [2019-11-22 10:10:25,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:25,631 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 169 transitions. [2019-11-22 10:10:25,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-22 10:10:25,631 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 169 transitions. [2019-11-22 10:10:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-22 10:10:25,632 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:25,632 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:25,835 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:25,837 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:25,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:25,838 INFO L82 PathProgramCache]: Analyzing trace with hash 536113147, now seen corresponding path program 1 times [2019-11-22 10:10:25,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:25,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [409372603] [2019-11-22 10:10:25,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:26,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-22 10:10:26,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:26,120 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:26,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [409372603] [2019-11-22 10:10:26,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:26,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-22 10:10:26,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513912132] [2019-11-22 10:10:26,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-22 10:10:26,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:26,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-22 10:10:26,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-22 10:10:26,181 INFO L87 Difference]: Start difference. First operand 162 states and 169 transitions. Second operand 6 states. [2019-11-22 10:10:26,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:26,221 INFO L93 Difference]: Finished difference Result 168 states and 175 transitions. [2019-11-22 10:10:26,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-22 10:10:26,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-22 10:10:26,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:26,223 INFO L225 Difference]: With dead ends: 168 [2019-11-22 10:10:26,223 INFO L226 Difference]: Without dead ends: 164 [2019-11-22 10:10:26,224 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-22 10:10:26,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-22 10:10:26,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-11-22 10:10:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-22 10:10:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 171 transitions. [2019-11-22 10:10:26,233 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 171 transitions. Word has length 32 [2019-11-22 10:10:26,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:26,234 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 171 transitions. [2019-11-22 10:10:26,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-22 10:10:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 171 transitions. [2019-11-22 10:10:26,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-22 10:10:26,235 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:26,236 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-22 10:10:26,447 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:26,448 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:26,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:26,449 INFO L82 PathProgramCache]: Analyzing trace with hash 690495131, now seen corresponding path program 1 times [2019-11-22 10:10:26,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:26,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1067360758] [2019-11-22 10:10:26,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:26,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:10:26,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:26,758 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:26,884 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1067360758] [2019-11-22 10:10:26,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:10:26,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-11-22 10:10:26,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630172521] [2019-11-22 10:10:26,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-22 10:10:26,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:26,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-22 10:10:26,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-22 10:10:26,886 INFO L87 Difference]: Start difference. First operand 164 states and 171 transitions. Second operand 10 states. [2019-11-22 10:10:27,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:27,094 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2019-11-22 10:10:27,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 10:10:27,095 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-11-22 10:10:27,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:27,097 INFO L225 Difference]: With dead ends: 172 [2019-11-22 10:10:27,097 INFO L226 Difference]: Without dead ends: 168 [2019-11-22 10:10:27,098 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:10:27,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-22 10:10:27,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2019-11-22 10:10:27,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-11-22 10:10:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 175 transitions. [2019-11-22 10:10:27,105 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 175 transitions. Word has length 34 [2019-11-22 10:10:27,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:27,106 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 175 transitions. [2019-11-22 10:10:27,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-22 10:10:27,106 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 175 transitions. [2019-11-22 10:10:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 10:10:27,108 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:27,108 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-22 10:10:27,311 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:27,312 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:27,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:27,313 INFO L82 PathProgramCache]: Analyzing trace with hash -2002385957, now seen corresponding path program 2 times [2019-11-22 10:10:27,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:27,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2063453102] [2019-11-22 10:10:27,314 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:27,587 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 10:10:27,587 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 10:10:27,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-22 10:10:27,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:27,596 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:10:27,596 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:27,599 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:27,599 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:27,600 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:10:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-22 10:10:27,750 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-22 10:10:27,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2063453102] [2019-11-22 10:10:27,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:27,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 12 [2019-11-22 10:10:27,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104685248] [2019-11-22 10:10:27,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 10:10:27,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:27,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 10:10:27,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:10:27,848 INFO L87 Difference]: Start difference. First operand 168 states and 175 transitions. Second operand 13 states. [2019-11-22 10:10:28,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:28,982 INFO L93 Difference]: Finished difference Result 179 states and 185 transitions. [2019-11-22 10:10:28,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:10:28,983 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-11-22 10:10:28,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:28,985 INFO L225 Difference]: With dead ends: 179 [2019-11-22 10:10:28,985 INFO L226 Difference]: Without dead ends: 179 [2019-11-22 10:10:28,985 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-22 10:10:28,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-22 10:10:28,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 167. [2019-11-22 10:10:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-11-22 10:10:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 174 transitions. [2019-11-22 10:10:28,992 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 174 transitions. Word has length 38 [2019-11-22 10:10:28,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:28,992 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 174 transitions. [2019-11-22 10:10:28,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 10:10:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 174 transitions. [2019-11-22 10:10:28,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 10:10:28,993 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:28,994 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-22 10:10:29,196 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:29,198 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:29,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:29,199 INFO L82 PathProgramCache]: Analyzing trace with hash -2002385956, now seen corresponding path program 1 times [2019-11-22 10:10:29,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:29,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1760126766] [2019-11-22 10:10:29,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:29,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 10:10:29,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:29,618 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:29,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1760126766] [2019-11-22 10:10:29,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:10:29,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-22 10:10:29,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082237017] [2019-11-22 10:10:29,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-22 10:10:29,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:29,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-22 10:10:29,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2019-11-22 10:10:29,926 INFO L87 Difference]: Start difference. First operand 167 states and 174 transitions. Second operand 18 states. [2019-11-22 10:10:30,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:30,818 INFO L93 Difference]: Finished difference Result 179 states and 192 transitions. [2019-11-22 10:10:30,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-22 10:10:30,820 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 38 [2019-11-22 10:10:30,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:30,824 INFO L225 Difference]: With dead ends: 179 [2019-11-22 10:10:30,824 INFO L226 Difference]: Without dead ends: 175 [2019-11-22 10:10:30,826 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=223, Invalid=377, Unknown=0, NotChecked=0, Total=600 [2019-11-22 10:10:30,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-22 10:10:30,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-11-22 10:10:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-22 10:10:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 182 transitions. [2019-11-22 10:10:30,836 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 182 transitions. Word has length 38 [2019-11-22 10:10:30,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:30,837 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 182 transitions. [2019-11-22 10:10:30,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-22 10:10:30,837 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 182 transitions. [2019-11-22 10:10:30,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-22 10:10:30,841 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:30,841 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:31,044 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:31,044 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:31,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:31,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1347385061, now seen corresponding path program 1 times [2019-11-22 10:10:31,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:31,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1434452517] [2019-11-22 10:10:31,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:31,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-22 10:10:31,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:31,420 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:31,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1434452517] [2019-11-22 10:10:31,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:31,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-22 10:10:31,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939543330] [2019-11-22 10:10:31,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-22 10:10:31,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:31,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-22 10:10:31,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-22 10:10:31,469 INFO L87 Difference]: Start difference. First operand 175 states and 182 transitions. Second operand 7 states. [2019-11-22 10:10:31,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:31,525 INFO L93 Difference]: Finished difference Result 184 states and 191 transitions. [2019-11-22 10:10:31,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-22 10:10:31,527 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2019-11-22 10:10:31,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:31,528 INFO L225 Difference]: With dead ends: 184 [2019-11-22 10:10:31,528 INFO L226 Difference]: Without dead ends: 184 [2019-11-22 10:10:31,528 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 10:10:31,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-22 10:10:31,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2019-11-22 10:10:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-11-22 10:10:31,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 187 transitions. [2019-11-22 10:10:31,538 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 187 transitions. Word has length 40 [2019-11-22 10:10:31,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:31,539 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 187 transitions. [2019-11-22 10:10:31,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-22 10:10:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 187 transitions. [2019-11-22 10:10:31,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-22 10:10:31,540 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:31,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:31,748 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:31,749 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:31,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:31,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1156201438, now seen corresponding path program 1 times [2019-11-22 10:10:31,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:31,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [145860605] [2019-11-22 10:10:31,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:31,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 10:10:31,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:32,011 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:32,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [145860605] [2019-11-22 10:10:32,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:32,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-22 10:10:32,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974110071] [2019-11-22 10:10:32,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-22 10:10:32,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:32,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-22 10:10:32,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 10:10:32,180 INFO L87 Difference]: Start difference. First operand 180 states and 187 transitions. Second operand 3 states. [2019-11-22 10:10:32,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:32,368 INFO L93 Difference]: Finished difference Result 191 states and 197 transitions. [2019-11-22 10:10:32,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-22 10:10:32,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-11-22 10:10:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:32,371 INFO L225 Difference]: With dead ends: 191 [2019-11-22 10:10:32,371 INFO L226 Difference]: Without dead ends: 165 [2019-11-22 10:10:32,371 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-22 10:10:32,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-22 10:10:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 157. [2019-11-22 10:10:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-22 10:10:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 163 transitions. [2019-11-22 10:10:32,378 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 163 transitions. Word has length 38 [2019-11-22 10:10:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:32,379 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 163 transitions. [2019-11-22 10:10:32,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-22 10:10:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 163 transitions. [2019-11-22 10:10:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-22 10:10:32,381 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:32,381 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:32,581 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:32,582 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:32,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:32,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1528032860, now seen corresponding path program 2 times [2019-11-22 10:10:32,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:32,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2061500167] [2019-11-22 10:10:32,583 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:32,846 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 10:10:32,846 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 10:10:32,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 10:10:32,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:32,863 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:10:32,863 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:32,869 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:32,869 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:32,870 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:10:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-22 10:10:33,086 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-22 10:10:33,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2061500167] [2019-11-22 10:10:33,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:33,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-22 10:10:33,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926699920] [2019-11-22 10:10:33,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-22 10:10:33,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:33,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-22 10:10:33,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-22 10:10:33,889 INFO L87 Difference]: Start difference. First operand 157 states and 163 transitions. Second operand 23 states. [2019-11-22 10:10:36,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:36,508 INFO L93 Difference]: Finished difference Result 156 states and 162 transitions. [2019-11-22 10:10:36,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:10:36,509 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 46 [2019-11-22 10:10:36,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:36,510 INFO L225 Difference]: With dead ends: 156 [2019-11-22 10:10:36,510 INFO L226 Difference]: Without dead ends: 156 [2019-11-22 10:10:36,511 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-22 10:10:36,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-22 10:10:36,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-11-22 10:10:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-22 10:10:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2019-11-22 10:10:36,516 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 46 [2019-11-22 10:10:36,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:36,517 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2019-11-22 10:10:36,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-22 10:10:36,517 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2019-11-22 10:10:36,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-22 10:10:36,518 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:36,518 INFO L410 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:36,721 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:36,721 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:36,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1472640772, now seen corresponding path program 1 times [2019-11-22 10:10:36,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:36,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1847761065] [2019-11-22 10:10:36,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:37,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-22 10:10:37,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:37,278 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:37,387 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-22 10:10:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:10:38,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1847761065] [2019-11-22 10:10:38,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-22 10:10:38,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2019-11-22 10:10:38,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083161332] [2019-11-22 10:10:38,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-11-22 10:10:38,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:38,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-11-22 10:10:38,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2019-11-22 10:10:38,212 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand 34 states. [2019-11-22 10:10:38,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:38,999 INFO L93 Difference]: Finished difference Result 162 states and 168 transitions. [2019-11-22 10:10:39,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 10:10:39,000 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 51 [2019-11-22 10:10:39,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:39,004 INFO L225 Difference]: With dead ends: 162 [2019-11-22 10:10:39,004 INFO L226 Difference]: Without dead ends: 158 [2019-11-22 10:10:39,005 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 10:10:39,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-22 10:10:39,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2019-11-22 10:10:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-22 10:10:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 164 transitions. [2019-11-22 10:10:39,013 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 164 transitions. Word has length 51 [2019-11-22 10:10:39,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:39,014 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 164 transitions. [2019-11-22 10:10:39,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-11-22 10:10:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 164 transitions. [2019-11-22 10:10:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-22 10:10:39,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:39,015 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:39,215 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:39,216 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:39,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:39,217 INFO L82 PathProgramCache]: Analyzing trace with hash 680412260, now seen corresponding path program 2 times [2019-11-22 10:10:39,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:39,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1191855035] [2019-11-22 10:10:39,219 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:39,513 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-22 10:10:39,513 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-22 10:10:39,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-22 10:10:39,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:39,527 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:10:39,528 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:39,529 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:39,530 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:39,530 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:10:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:39,693 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:39,772 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1191855035] [2019-11-22 10:10:39,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:39,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 12 [2019-11-22 10:10:39,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496120443] [2019-11-22 10:10:39,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-22 10:10:39,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:39,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-22 10:10:39,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:10:39,774 INFO L87 Difference]: Start difference. First operand 158 states and 164 transitions. Second operand 13 states. [2019-11-22 10:10:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:40,726 INFO L93 Difference]: Finished difference Result 168 states and 173 transitions. [2019-11-22 10:10:40,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:10:40,727 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2019-11-22 10:10:40,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:40,729 INFO L225 Difference]: With dead ends: 168 [2019-11-22 10:10:40,729 INFO L226 Difference]: Without dead ends: 168 [2019-11-22 10:10:40,730 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-22 10:10:40,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-22 10:10:40,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 156. [2019-11-22 10:10:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-22 10:10:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2019-11-22 10:10:40,736 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 53 [2019-11-22 10:10:40,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:40,736 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2019-11-22 10:10:40,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-22 10:10:40,737 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2019-11-22 10:10:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-22 10:10:40,737 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:40,738 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:40,942 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:40,943 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:40,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:40,943 INFO L82 PathProgramCache]: Analyzing trace with hash 680412261, now seen corresponding path program 1 times [2019-11-22 10:10:40,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:40,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [148080999] [2019-11-22 10:10:40,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:41,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 10:10:41,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:41,388 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:10:41,388 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:41,393 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:41,394 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:41,394 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:10:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:41,641 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:42,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [148080999] [2019-11-22 10:10:42,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:42,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2019-11-22 10:10:42,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305543576] [2019-11-22 10:10:42,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-22 10:10:42,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:42,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-22 10:10:42,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2019-11-22 10:10:42,433 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand 23 states. [2019-11-22 10:10:45,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:45,283 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2019-11-22 10:10:45,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-22 10:10:45,284 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 53 [2019-11-22 10:10:45,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:45,285 INFO L225 Difference]: With dead ends: 154 [2019-11-22 10:10:45,286 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 10:10:45,286 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2019-11-22 10:10:45,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 10:10:45,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-22 10:10:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-22 10:10:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 160 transitions. [2019-11-22 10:10:45,298 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 160 transitions. Word has length 53 [2019-11-22 10:10:45,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:45,300 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 160 transitions. [2019-11-22 10:10:45,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-22 10:10:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 160 transitions. [2019-11-22 10:10:45,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-22 10:10:45,302 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:45,302 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:45,506 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:45,507 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:45,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:45,507 INFO L82 PathProgramCache]: Analyzing trace with hash -2141011139, now seen corresponding path program 1 times [2019-11-22 10:10:45,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:45,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [225198828] [2019-11-22 10:10:45,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:45,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-22 10:10:45,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:45,886 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:46,007 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:46,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [225198828] [2019-11-22 10:10:46,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:46,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2019-11-22 10:10:46,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037427757] [2019-11-22 10:10:46,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-22 10:10:46,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:46,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-22 10:10:46,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-22 10:10:46,009 INFO L87 Difference]: Start difference. First operand 154 states and 160 transitions. Second operand 8 states. [2019-11-22 10:10:46,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:46,060 INFO L93 Difference]: Finished difference Result 156 states and 161 transitions. [2019-11-22 10:10:46,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-22 10:10:46,062 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-11-22 10:10:46,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:46,063 INFO L225 Difference]: With dead ends: 156 [2019-11-22 10:10:46,063 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 10:10:46,064 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-22 10:10:46,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 10:10:46,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-22 10:10:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-22 10:10:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 159 transitions. [2019-11-22 10:10:46,068 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 159 transitions. Word has length 58 [2019-11-22 10:10:46,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:46,069 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 159 transitions. [2019-11-22 10:10:46,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-22 10:10:46,069 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2019-11-22 10:10:46,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-22 10:10:46,070 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:46,070 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:46,273 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:46,273 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:46,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:46,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1283825080, now seen corresponding path program 1 times [2019-11-22 10:10:46,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:46,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [8629317] [2019-11-22 10:10:46,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:46,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-22 10:10:46,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:46,619 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:46,792 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:10:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:46,857 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [8629317] [2019-11-22 10:10:46,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:46,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 11 [2019-11-22 10:10:46,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933348775] [2019-11-22 10:10:46,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 10:10:46,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:46,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 10:10:46,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-22 10:10:46,859 INFO L87 Difference]: Start difference. First operand 154 states and 159 transitions. Second operand 11 states. [2019-11-22 10:10:46,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:46,942 INFO L93 Difference]: Finished difference Result 158 states and 162 transitions. [2019-11-22 10:10:46,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 10:10:46,943 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2019-11-22 10:10:46,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:46,944 INFO L225 Difference]: With dead ends: 158 [2019-11-22 10:10:46,944 INFO L226 Difference]: Without dead ends: 154 [2019-11-22 10:10:46,944 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:10:46,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-22 10:10:46,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-22 10:10:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-22 10:10:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2019-11-22 10:10:46,949 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 63 [2019-11-22 10:10:46,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:46,949 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2019-11-22 10:10:46,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 10:10:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2019-11-22 10:10:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-22 10:10:46,951 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:46,951 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:47,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:47,154 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:47,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:47,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1405000591, now seen corresponding path program 1 times [2019-11-22 10:10:47,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:47,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [552475421] [2019-11-22 10:10:47,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:47,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-22 10:10:47,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:47,593 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:10:47,593 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:47,595 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:47,595 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:47,595 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:10:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:47,914 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:48,299 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [552475421] [2019-11-22 10:10:48,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:48,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 14] imperfect sequences [] total 19 [2019-11-22 10:10:48,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30172095] [2019-11-22 10:10:48,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-22 10:10:48,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:48,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-22 10:10:48,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2019-11-22 10:10:48,301 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 20 states. [2019-11-22 10:10:50,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:50,295 INFO L93 Difference]: Finished difference Result 164 states and 167 transitions. [2019-11-22 10:10:50,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 10:10:50,296 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 74 [2019-11-22 10:10:50,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:50,297 INFO L225 Difference]: With dead ends: 164 [2019-11-22 10:10:50,297 INFO L226 Difference]: Without dead ends: 164 [2019-11-22 10:10:50,297 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 125 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2019-11-22 10:10:50,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-22 10:10:50,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2019-11-22 10:10:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-22 10:10:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2019-11-22 10:10:50,302 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 74 [2019-11-22 10:10:50,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:50,303 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2019-11-22 10:10:50,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-22 10:10:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2019-11-22 10:10:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-22 10:10:50,304 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:50,305 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:50,509 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:50,509 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:50,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1405000592, now seen corresponding path program 1 times [2019-11-22 10:10:50,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:50,511 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1210571322] [2019-11-22 10:10:50,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:51,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-22 10:10:51,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:51,049 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:10:51,049 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:51,055 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:51,055 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:51,056 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:10:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:51,517 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:53,398 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1210571322] [2019-11-22 10:10:53,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:53,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 16] imperfect sequences [] total 34 [2019-11-22 10:10:53,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74483165] [2019-11-22 10:10:53,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-22 10:10:53,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:53,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-22 10:10:53,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1093, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 10:10:53,400 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 35 states. [2019-11-22 10:10:57,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:57,901 INFO L93 Difference]: Finished difference Result 150 states and 154 transitions. [2019-11-22 10:10:57,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 10:10:57,902 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 74 [2019-11-22 10:10:57,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:57,903 INFO L225 Difference]: With dead ends: 150 [2019-11-22 10:10:57,903 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 10:10:57,903 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 110 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=138, Invalid=1502, Unknown=0, NotChecked=0, Total=1640 [2019-11-22 10:10:57,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 10:10:57,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 10:10:57,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 10:10:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2019-11-22 10:10:57,907 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 74 [2019-11-22 10:10:57,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:57,908 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2019-11-22 10:10:57,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-22 10:10:57,908 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2019-11-22 10:10:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-22 10:10:57,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:57,910 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:58,114 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:58,115 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:58,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:58,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1519816277, now seen corresponding path program 1 times [2019-11-22 10:10:58,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:58,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [398905135] [2019-11-22 10:10:58,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:58,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-22 10:10:58,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:58,526 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:10:58,625 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:10:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:10:58,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [398905135] [2019-11-22 10:10:58,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:10:58,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 14 [2019-11-22 10:10:58,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423966380] [2019-11-22 10:10:58,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-22 10:10:58,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:10:58,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-22 10:10:58,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-11-22 10:10:58,764 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 14 states. [2019-11-22 10:10:58,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:10:58,899 INFO L93 Difference]: Finished difference Result 156 states and 159 transitions. [2019-11-22 10:10:58,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-22 10:10:58,904 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 85 [2019-11-22 10:10:58,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:10:58,905 INFO L225 Difference]: With dead ends: 156 [2019-11-22 10:10:58,905 INFO L226 Difference]: Without dead ends: 150 [2019-11-22 10:10:58,906 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2019-11-22 10:10:58,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-22 10:10:58,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-22 10:10:58,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-22 10:10:58,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 153 transitions. [2019-11-22 10:10:58,910 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 153 transitions. Word has length 85 [2019-11-22 10:10:58,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:10:58,911 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 153 transitions. [2019-11-22 10:10:58,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-22 10:10:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 153 transitions. [2019-11-22 10:10:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-22 10:10:58,912 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:10:58,913 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:10:59,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:59,117 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:10:59,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:10:59,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2050797402, now seen corresponding path program 1 times [2019-11-22 10:10:59,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:10:59,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1873802774] [2019-11-22 10:10:59,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:10:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:10:59,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-22 10:10:59,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:10:59,706 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:10:59,707 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:10:59,709 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:10:59,709 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:10:59,709 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:11:00,114 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:00,115 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:11:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:00,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1873802774] [2019-11-22 10:11:00,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:11:00,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 14] imperfect sequences [] total 19 [2019-11-22 10:11:00,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191300086] [2019-11-22 10:11:00,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-22 10:11:00,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:11:00,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-22 10:11:00,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2019-11-22 10:11:00,562 INFO L87 Difference]: Start difference. First operand 150 states and 153 transitions. Second operand 20 states. [2019-11-22 10:11:02,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:11:02,388 INFO L93 Difference]: Finished difference Result 164 states and 166 transitions. [2019-11-22 10:11:02,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 10:11:02,389 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 98 [2019-11-22 10:11:02,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:11:02,390 INFO L225 Difference]: With dead ends: 164 [2019-11-22 10:11:02,390 INFO L226 Difference]: Without dead ends: 164 [2019-11-22 10:11:02,391 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 171 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2019-11-22 10:11:02,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-22 10:11:02,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 148. [2019-11-22 10:11:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-22 10:11:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 151 transitions. [2019-11-22 10:11:02,396 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 151 transitions. Word has length 98 [2019-11-22 10:11:02,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:11:02,396 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 151 transitions. [2019-11-22 10:11:02,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-22 10:11:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 151 transitions. [2019-11-22 10:11:02,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-22 10:11:02,398 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:11:02,398 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:11:02,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:02,603 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:11:02,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:11:02,603 INFO L82 PathProgramCache]: Analyzing trace with hash 2050797403, now seen corresponding path program 1 times [2019-11-22 10:11:02,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:11:02,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [896364559] [2019-11-22 10:11:02,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 23 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:11:03,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 40 conjunts are in the unsatisfiable core [2019-11-22 10:11:03,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:11:03,259 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:11:03,259 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:11:03,265 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:11:03,266 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:11:03,266 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:11:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:03,806 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:11:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:05,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [896364559] [2019-11-22 10:11:05,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:11:05,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 16] imperfect sequences [] total 34 [2019-11-22 10:11:05,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171111170] [2019-11-22 10:11:05,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-22 10:11:05,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:11:05,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-22 10:11:05,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1093, Unknown=0, NotChecked=0, Total=1190 [2019-11-22 10:11:05,692 INFO L87 Difference]: Start difference. First operand 148 states and 151 transitions. Second operand 35 states. [2019-11-22 10:11:10,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:11:10,076 INFO L93 Difference]: Finished difference Result 146 states and 149 transitions. [2019-11-22 10:11:10,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-22 10:11:10,078 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 98 [2019-11-22 10:11:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:11:10,079 INFO L225 Difference]: With dead ends: 146 [2019-11-22 10:11:10,080 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 10:11:10,080 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 156 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=138, Invalid=1502, Unknown=0, NotChecked=0, Total=1640 [2019-11-22 10:11:10,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 10:11:10,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-22 10:11:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 10:11:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 149 transitions. [2019-11-22 10:11:10,084 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 149 transitions. Word has length 98 [2019-11-22 10:11:10,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:11:10,084 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 149 transitions. [2019-11-22 10:11:10,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-22 10:11:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 149 transitions. [2019-11-22 10:11:10,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-22 10:11:10,086 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:11:10,086 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:11:10,290 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:10,291 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:11:10,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:11:10,292 INFO L82 PathProgramCache]: Analyzing trace with hash -797927977, now seen corresponding path program 1 times [2019-11-22 10:11:10,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:11:10,293 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [698418451] [2019-11-22 10:11:10,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:11:10,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-22 10:11:10,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:11:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:10,693 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:11:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:10,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [698418451] [2019-11-22 10:11:10,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:11:10,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 11 [2019-11-22 10:11:10,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433022144] [2019-11-22 10:11:10,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-22 10:11:10,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:11:10,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-22 10:11:10,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-22 10:11:10,974 INFO L87 Difference]: Start difference. First operand 146 states and 149 transitions. Second operand 11 states. [2019-11-22 10:11:11,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:11:11,076 INFO L93 Difference]: Finished difference Result 148 states and 150 transitions. [2019-11-22 10:11:11,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-22 10:11:11,077 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2019-11-22 10:11:11,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:11:11,078 INFO L225 Difference]: With dead ends: 148 [2019-11-22 10:11:11,078 INFO L226 Difference]: Without dead ends: 146 [2019-11-22 10:11:11,079 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-22 10:11:11,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-22 10:11:11,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-22 10:11:11,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-22 10:11:11,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 148 transitions. [2019-11-22 10:11:11,082 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 148 transitions. Word has length 96 [2019-11-22 10:11:11,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:11:11,082 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 148 transitions. [2019-11-22 10:11:11,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-22 10:11:11,083 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2019-11-22 10:11:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-22 10:11:11,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:11:11,084 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:11:11,287 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:11,288 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:11:11,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:11:11,288 INFO L82 PathProgramCache]: Analyzing trace with hash 693754465, now seen corresponding path program 1 times [2019-11-22 10:11:11,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:11:11,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [563961269] [2019-11-22 10:11:11,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 25 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:11:11,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-22 10:11:11,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:11:11,844 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:11:11,845 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:11:11,849 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:11:11,849 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:11:11,850 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:11:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:12,632 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:11:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:13,095 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [563961269] [2019-11-22 10:11:13,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:11:13,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23, 18] imperfect sequences [] total 23 [2019-11-22 10:11:13,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188698526] [2019-11-22 10:11:13,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-22 10:11:13,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:11:13,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-22 10:11:13,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2019-11-22 10:11:13,097 INFO L87 Difference]: Start difference. First operand 146 states and 148 transitions. Second operand 24 states. [2019-11-22 10:11:15,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:11:15,158 INFO L93 Difference]: Finished difference Result 156 states and 157 transitions. [2019-11-22 10:11:15,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-22 10:11:15,158 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 111 [2019-11-22 10:11:15,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:11:15,160 INFO L225 Difference]: With dead ends: 156 [2019-11-22 10:11:15,160 INFO L226 Difference]: Without dead ends: 156 [2019-11-22 10:11:15,160 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 189 SyntacticMatches, 10 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2019-11-22 10:11:15,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-22 10:11:15,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 144. [2019-11-22 10:11:15,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-22 10:11:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2019-11-22 10:11:15,165 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 111 [2019-11-22 10:11:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:11:15,165 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2019-11-22 10:11:15,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-22 10:11:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2019-11-22 10:11:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-22 10:11:15,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:11:15,166 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:11:15,366 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:15,367 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:11:15,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:11:15,368 INFO L82 PathProgramCache]: Analyzing trace with hash 693754466, now seen corresponding path program 1 times [2019-11-22 10:11:15,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:11:15,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1792328803] [2019-11-22 10:11:15,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:11:16,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 52 conjunts are in the unsatisfiable core [2019-11-22 10:11:16,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:11:16,096 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 10:11:16,097 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:11:16,107 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:11:16,107 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:11:16,108 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-22 10:11:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:16,965 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:11:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:19,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1792328803] [2019-11-22 10:11:19,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:11:19,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23, 20] imperfect sequences [] total 42 [2019-11-22 10:11:19,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191077694] [2019-11-22 10:11:19,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-11-22 10:11:19,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:11:19,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-11-22 10:11:19,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1685, Unknown=0, NotChecked=0, Total=1806 [2019-11-22 10:11:19,620 INFO L87 Difference]: Start difference. First operand 144 states and 146 transitions. Second operand 43 states. [2019-11-22 10:11:25,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:11:25,126 INFO L93 Difference]: Finished difference Result 142 states and 144 transitions. [2019-11-22 10:11:25,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-22 10:11:25,127 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 111 [2019-11-22 10:11:25,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:11:25,129 INFO L225 Difference]: With dead ends: 142 [2019-11-22 10:11:25,129 INFO L226 Difference]: Without dead ends: 142 [2019-11-22 10:11:25,130 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 172 SyntacticMatches, 8 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=176, Invalid=2374, Unknown=0, NotChecked=0, Total=2550 [2019-11-22 10:11:25,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-22 10:11:25,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-22 10:11:25,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-22 10:11:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 144 transitions. [2019-11-22 10:11:25,134 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 144 transitions. Word has length 111 [2019-11-22 10:11:25,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:11:25,134 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 144 transitions. [2019-11-22 10:11:25,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-11-22 10:11:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 144 transitions. [2019-11-22 10:11:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-22 10:11:25,136 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:11:25,136 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:11:25,341 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:25,341 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:11:25,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:11:25,342 INFO L82 PathProgramCache]: Analyzing trace with hash 256905644, now seen corresponding path program 1 times [2019-11-22 10:11:25,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:11:25,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1708848256] [2019-11-22 10:11:25,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:11:25,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-22 10:11:25,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:11:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:26,495 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:11:26,652 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-22 10:11:26,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1708848256] [2019-11-22 10:11:26,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:11:26,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20, 19] imperfect sequences [] total 20 [2019-11-22 10:11:26,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055477829] [2019-11-22 10:11:26,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-22 10:11:26,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:11:26,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-22 10:11:26,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2019-11-22 10:11:26,654 INFO L87 Difference]: Start difference. First operand 142 states and 144 transitions. Second operand 21 states. [2019-11-22 10:11:28,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:11:28,222 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2019-11-22 10:11:28,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-22 10:11:28,223 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 114 [2019-11-22 10:11:28,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:11:28,224 INFO L225 Difference]: With dead ends: 141 [2019-11-22 10:11:28,224 INFO L226 Difference]: Without dead ends: 141 [2019-11-22 10:11:28,225 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 201 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2019-11-22 10:11:28,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-22 10:11:28,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-11-22 10:11:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-11-22 10:11:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 143 transitions. [2019-11-22 10:11:28,229 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 143 transitions. Word has length 114 [2019-11-22 10:11:28,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:11:28,229 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 143 transitions. [2019-11-22 10:11:28,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-22 10:11:28,230 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 143 transitions. [2019-11-22 10:11:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-22 10:11:28,231 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:11:28,231 INFO L410 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:11:28,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:28,434 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:11:28,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:11:28,435 INFO L82 PathProgramCache]: Analyzing trace with hash -155348315, now seen corresponding path program 1 times [2019-11-22 10:11:28,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:11:28,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1090563065] [2019-11-22 10:11:28,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 28 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:11:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:11:29,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 139 conjunts are in the unsatisfiable core [2019-11-22 10:11:29,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:11:29,276 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-11-22 10:11:29,276 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:11:29,284 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:11:29,285 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:11:29,285 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-11-22 10:11:29,334 INFO L343 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2019-11-22 10:11:29,335 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2019-11-22 10:11:29,335 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:11:29,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:11:29,352 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:11:29,352 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2019-11-22 10:11:29,428 INFO L343 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size [2019-11-22 10:11:29,428 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 38 [2019-11-22 10:11:29,429 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:11:29,446 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:11:29,446 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:11:29,446 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2019-11-22 10:11:29,656 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2019-11-22 10:11:29,657 INFO L343 Elim1Store]: treesize reduction 32, result has 77.5 percent of original size [2019-11-22 10:11:29,658 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 137 [2019-11-22 10:11:29,659 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:11:29,760 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2019-11-22 10:11:29,761 INFO L567 ElimStorePlain]: treesize reduction 84, result has 35.9 percent of original size [2019-11-22 10:11:29,761 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:11:29,761 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:47 [2019-11-22 10:12:06,729 WARN L192 SmtUtils]: Spent 36.89 s on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2019-11-22 10:12:06,730 INFO L343 Elim1Store]: treesize reduction 65, result has 70.7 percent of original size [2019-11-22 10:12:06,730 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 189 [2019-11-22 10:12:06,731 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:12:08,856 WARN L192 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2019-11-22 10:12:08,857 INFO L567 ElimStorePlain]: treesize reduction 84, result has 41.3 percent of original size [2019-11-22 10:12:08,857 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:12:08,857 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-11-22 10:12:09,057 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 28 [2019-11-22 10:12:09,058 INFO L343 Elim1Store]: treesize reduction 246, result has 15.2 percent of original size [2019-11-22 10:12:09,058 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 80 [2019-11-22 10:12:09,059 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:12:09,093 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:12:09,094 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:12:09,094 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-11-22 10:12:09,658 WARN L192 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 69 [2019-11-22 10:12:09,659 INFO L343 Elim1Store]: treesize reduction 170, result has 57.2 percent of original size [2019-11-22 10:12:09,660 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 269 [2019-11-22 10:12:09,661 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:12:11,904 WARN L192 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-11-22 10:12:11,905 INFO L567 ElimStorePlain]: treesize reduction 174, result has 32.0 percent of original size [2019-11-22 10:12:11,905 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:12:11,905 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:82 [2019-11-22 10:13:26,070 WARN L192 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 163 DAG size of output: 98 [2019-11-22 10:13:26,071 INFO L343 Elim1Store]: treesize reduction 203, result has 60.7 percent of original size [2019-11-22 10:13:26,071 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 360 [2019-11-22 10:13:26,073 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:28,405 WARN L192 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 83 DAG size of output: 41 [2019-11-22 10:13:28,406 INFO L567 ElimStorePlain]: treesize reduction 304, result has 23.2 percent of original size [2019-11-22 10:13:28,406 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:28,406 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:92 [2019-11-22 10:13:28,822 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 43 [2019-11-22 10:13:28,823 INFO L343 Elim1Store]: treesize reduction 540, result has 11.6 percent of original size [2019-11-22 10:13:28,823 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 102 treesize of output 122 [2019-11-22 10:13:28,824 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:28,880 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:28,881 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:28,881 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:103 [2019-11-22 10:13:29,868 WARN L192 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 99 [2019-11-22 10:13:29,869 INFO L343 Elim1Store]: treesize reduction 416, result has 45.3 percent of original size [2019-11-22 10:13:29,869 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 114 treesize of output 401 [2019-11-22 10:13:29,870 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:30,164 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2019-11-22 10:13:30,165 INFO L567 ElimStorePlain]: treesize reduction 264, result has 30.0 percent of original size [2019-11-22 10:13:30,165 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:30,165 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:113 [2019-11-22 10:13:30,827 WARN L192 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 53 [2019-11-22 10:13:30,828 INFO L343 Elim1Store]: treesize reduction 796, result has 10.1 percent of original size [2019-11-22 10:13:30,828 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 124 treesize of output 150 [2019-11-22 10:13:30,829 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:30,903 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:13:30,903 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:30,903 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:125 [2019-11-22 10:13:32,384 WARN L192 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 339 DAG size of output: 119 [2019-11-22 10:13:32,385 INFO L343 Elim1Store]: treesize reduction 640, result has 39.7 percent of original size [2019-11-22 10:13:32,385 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 136 treesize of output 489 [2019-11-22 10:13:32,387 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:13:32,782 WARN L192 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 57 [2019-11-22 10:13:32,783 INFO L567 ElimStorePlain]: treesize reduction 324, result has 29.4 percent of original size [2019-11-22 10:13:32,784 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:13:32,784 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:139, output treesize:135 [2019-11-22 10:15:49,138 WARN L192 SmtUtils]: Spent 2.27 m on a formula simplification. DAG size of input: 393 DAG size of output: 168 [2019-11-22 10:15:49,139 INFO L343 Elim1Store]: treesize reduction 673, result has 46.0 percent of original size [2019-11-22 10:15:49,139 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 148 treesize of output 645 [2019-11-22 10:15:49,142 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:15:49,710 WARN L192 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 61 [2019-11-22 10:15:49,711 INFO L567 ElimStorePlain]: treesize reduction 564, result has 20.7 percent of original size [2019-11-22 10:15:49,712 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:15:49,712 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:147 [2019-11-22 10:15:49,981 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-11-22 10:15:50,923 WARN L192 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 68 [2019-11-22 10:15:50,923 INFO L343 Elim1Store]: treesize reduction 1270, result has 8.4 percent of original size [2019-11-22 10:15:50,924 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 157 treesize of output 192 [2019-11-22 10:15:50,925 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:15:51,052 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-22 10:15:51,052 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:15:51,053 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:15:51,053 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:162, output treesize:158 [2019-11-22 10:15:51,359 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-22 10:15:52,454 WARN L192 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 512 DAG size of output: 73 [2019-11-22 10:15:52,455 INFO L343 Elim1Store]: treesize reduction 1452, result has 7.9 percent of original size [2019-11-22 10:15:52,455 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 105 case distinctions, treesize of input 168 treesize of output 206 [2019-11-22 10:15:52,456 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:15:52,590 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-22 10:15:52,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:15:52,591 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:15:52,591 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:173, output treesize:169 [2019-11-22 10:15:52,920 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-22 10:15:54,152 WARN L192 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 578 DAG size of output: 78 [2019-11-22 10:15:54,153 INFO L343 Elim1Store]: treesize reduction 1646, result has 7.5 percent of original size [2019-11-22 10:15:54,154 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 120 case distinctions, treesize of input 179 treesize of output 220 [2019-11-22 10:15:54,155 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:15:54,301 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 10:15:54,302 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:15:54,302 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:15:54,302 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2019-11-22 10:15:54,754 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 10:15:57,068 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:15:57,109 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:15:57,110 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:15:57,110 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:76 [2019-11-22 10:15:59,119 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse2 (select |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base|))) (let ((.cse0 (store .cse2 (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv13 32)) v_DerPreprocessor_1)) (.cse3 (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv12 32)))) (let ((.cse4 (select .cse0 .cse3))) (and (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| (let ((.cse1 (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv4 32)))) (store (store .cse0 .cse1 .cse1) (bvadd |c_ldv_kobject_init_internal_#in~kobj.offset| (_ bv8 32)) .cse1))) |c_#memory_$Pointer$.offset|) (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| .cse0) (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_internal_#in~kobj.base| (store .cse2 .cse3 .cse4))) (= v_DerPreprocessor_1 .cse4)))))) is different from true [2019-11-22 10:16:01,143 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse3 (select |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base|))) (let ((.cse1 (store .cse3 (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv13 32)) v_DerPreprocessor_1)) (.cse4 (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv12 32)))) (let ((.cse0 (select .cse1 .cse4))) (and (= v_DerPreprocessor_1 .cse0) (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| (let ((.cse2 (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv4 32)))) (store (store .cse1 .cse2 .cse2) (bvadd |c_ldv_kobject_init_#in~kobj.offset| (_ bv8 32)) .cse2))) |c_#memory_$Pointer$.offset|) (= (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| .cse1) (store |c_old(#memory_$Pointer$.offset)| |c_ldv_kobject_init_#in~kobj.base| (store .cse3 .cse4 .cse0)))))))) is different from true [2019-11-22 10:16:01,154 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 179 [2019-11-22 10:16:01,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,161 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,200 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,204 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,205 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,207 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,208 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,237 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,239 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,242 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,245 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,248 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,250 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,252 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,267 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,283 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,293 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,314 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,320 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,320 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,323 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,324 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,324 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,326 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,326 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,327 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,343 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,372 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,376 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,379 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,379 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,380 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,384 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,385 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,386 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:01,405 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 349 [2019-11-22 10:16:01,407 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-22 10:16:02,038 WARN L192 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2019-11-22 10:16:02,039 INFO L567 ElimStorePlain]: treesize reduction 3, result has 99.1 percent of original size [2019-11-22 10:16:02,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,057 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,065 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,074 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,077 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,084 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,086 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,089 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,095 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,100 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,104 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,107 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,109 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,114 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,115 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,125 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,128 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,133 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,139 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,140 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,142 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,143 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,144 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,147 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,149 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,150 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,152 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,153 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,155 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,156 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,205 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,208 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:02,219 INFO L237 Elim1Store]: Index analysis took 167 ms [2019-11-22 10:16:02,222 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 112 [2019-11-22 10:16:02,223 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-22 10:16:02,369 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-22 10:16:02,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:02,370 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:16:02,449 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:02,449 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:16:02,449 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:221, output treesize:150 [2019-11-22 10:16:06,157 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-22 10:16:06,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,161 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-22 10:16:06,177 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:06,178 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 134 treesize of output 184 [2019-11-22 10:16:06,179 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:16:06,285 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-11-22 10:16:06,286 INFO L567 ElimStorePlain]: treesize reduction 15, result has 89.2 percent of original size [2019-11-22 10:16:06,286 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:16:06,287 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:124 [2019-11-22 10:16:09,384 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:09,384 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 128 treesize of output 154 [2019-11-22 10:16:09,385 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:16:09,425 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:09,426 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:16:09,426 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:128, output treesize:106 [2019-11-22 10:16:12,468 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-11-22 10:16:12,469 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:12,469 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 115 treesize of output 171 [2019-11-22 10:16:12,473 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:16:12,574 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-22 10:16:12,574 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:12,575 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:16:12,575 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:115, output treesize:121 [2019-11-22 10:16:13,428 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-22 10:16:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:16:13,785 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:16:16,219 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:16:16,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:16,226 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:16:16,227 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:10 [2019-11-22 10:16:16,988 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:16:17,003 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:17,004 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:16:17,004 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:27 [2019-11-22 10:16:20,602 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:16:20,612 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:20,613 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-22 10:16:20,613 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:33 [2019-11-22 10:16:22,002 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 10:16:22,035 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:16:22,236 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:16:22,237 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: alternation not yet supported: (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (exists ((v_prenex_1 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32))) (let ((.cse0 (store (select |#memory_$Pointer$.offset| f_22_get_~kobj.base) (bvadd f_22_get_~kobj.offset (_ bv14 32)) v_DerPreprocessor_5)) (.cse1 (bvadd |f_22_get_#in~kobj.offset| (_ bv12 32)))) (or (= (select (store (select (store |#memory_$Pointer$.offset| f_22_get_~kobj.base .cse0) |f_22_get_#in~kobj.base|) .cse1 v_DerPreprocessor_2) (_ bv0 32)) (_ bv0 32)) (not (= v_DerPreprocessor_5 (select .cse0 (bvadd f_22_get_~kobj.offset (_ bv12 32))))) (let ((.cse2 (store (select |old(#memory_$Pointer$.offset)| |f_22_get_#in~kobj.base|) (bvadd |f_22_get_#in~kobj.offset| (_ bv14 32)) v_DerPreprocessor_4))) (and (= v_DerPreprocessor_4 (select .cse2 .cse1)) (not (= (_ bv0 32) (select (store .cse2 .cse1 v_prenex_1) (_ bv0 32)))))))))) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:667) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:493) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 10:16:22,245 INFO L168 Benchmark]: Toolchain (without parser) took 364019.12 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 436.7 MB). Free memory was 953.7 MB in the beginning and 972.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 417.8 MB. Max. memory is 11.5 GB. [2019-11-22 10:16:22,245 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 10:16:22,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-22 10:16:22,246 INFO L168 Benchmark]: Boogie Preprocessor took 120.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-22 10:16:22,247 INFO L168 Benchmark]: RCFGBuilder took 1569.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. [2019-11-22 10:16:22,247 INFO L168 Benchmark]: TraceAbstraction took 361453.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 268.4 MB). Free memory was 1.0 GB in the beginning and 972.5 MB in the end (delta: 38.3 MB). Peak memory consumption was 306.7 MB. Max. memory is 11.5 GB. [2019-11-22 10:16:22,249 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 870.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1569.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 361453.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 268.4 MB). Free memory was 1.0 GB in the beginning and 972.5 MB in the end (delta: 38.3 MB). Peak memory consumption was 306.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: alternation not yet supported: (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (exists ((v_prenex_1 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32))) (let ((.cse0 (store (select |#memory_$Pointer$.offset| f_22_get_~kobj.base) (bvadd f_22_get_~kobj.offset (_ bv14 32)) v_DerPreprocessor_5)) (.cse1 (bvadd |f_22_get_#in~kobj.offset| (_ bv12 32)))) (or (= (select (store (select (store |#memory_$Pointer$.offset| f_22_get_~kobj.base .cse0) |f_22_get_#in~kobj.base|) .cse1 v_DerPreprocessor_2) (_ bv0 32)) (_ bv0 32)) (not (= v_DerPreprocessor_5 (select .cse0 (bvadd f_22_get_~kobj.offset (_ bv12 32))))) (let ((.cse2 (store (select |old(#memory_$Pointer$.offset)| |f_22_get_#in~kobj.base|) (bvadd |f_22_get_#in~kobj.offset| (_ bv14 32)) v_DerPreprocessor_4))) (and (= v_DerPreprocessor_4 (select .cse2 .cse1)) (not (= (_ bv0 32) (select (store .cse2 .cse1 v_prenex_1) (_ bv0 32)))))))))) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: alternation not yet supported: (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (exists ((v_prenex_1 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32))) (let ((.cse0 (store (select |#memory_$Pointer$.offset| f_22_get_~kobj.base) (bvadd f_22_get_~kobj.offset (_ bv14 32)) v_DerPreprocessor_5)) (.cse1 (bvadd |f_22_get_#in~kobj.offset| (_ bv12 32)))) (or (= (select (store (select (store |#memory_$Pointer$.offset| f_22_get_~kobj.base .cse0) |f_22_get_#in~kobj.base|) .cse1 v_DerPreprocessor_2) (_ bv0 32)) (_ bv0 32)) (not (= v_DerPreprocessor_5 (select .cse0 (bvadd f_22_get_~kobj.offset (_ bv12 32))))) (let ((.cse2 (store (select |old(#memory_$Pointer$.offset)| |f_22_get_#in~kobj.base|) (bvadd |f_22_get_#in~kobj.offset| (_ bv14 32)) v_DerPreprocessor_4))) (and (= v_DerPreprocessor_4 (select .cse2 .cse1)) (not (= (_ bv0 32) (select (store .cse2 .cse1 v_prenex_1) (_ bv0 32)))))))))): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:667) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...