./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 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_test19-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 36d1a8e991d0ba1b082944dbede48ef8c84f35de --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 11:31:04,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:31:04,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:31:04,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:31:04,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:31:04,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:31:04,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:31:04,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:31:04,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:31:04,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:31:04,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:31:04,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:31:04,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:31:04,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:31:04,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:31:04,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:31:04,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:31:04,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:31:04,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:31:04,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:31:04,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:31:04,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:31:04,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:31:04,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:31:04,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:31:05,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:31:05,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:31:05,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:31:05,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:31:05,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:31:05,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:31:05,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:31:05,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:31:05,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:31:05,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:31:05,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:31:05,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:31:05,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:31:05,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:31:05,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:31:05,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:31:05,013 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:31:05,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:31:05,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:31:05,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:31:05,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:31:05,059 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:31:05,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:31:05,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:31:05,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:31:05,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:31:05,060 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:31:05,061 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:31:05,061 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:31:05,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:31:05,062 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:31:05,062 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:31:05,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:31:05,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:31:05,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:31:05,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:31:05,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:31:05,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:31:05,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:31:05,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:31:05,066 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:31:05,066 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:31:05,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:31:05,067 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d1a8e991d0ba1b082944dbede48ef8c84f35de Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:31:05,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:31:05,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:31:05,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:31:05,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:31:05,406 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:31:05,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i [2019-11-21 11:31:05,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cfa8fc5a/065ab851805a4c3b8332854a880f4b1d/FLAG3d720a5d3 [2019-11-21 11:31:06,002 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:31:06,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i [2019-11-21 11:31:06,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cfa8fc5a/065ab851805a4c3b8332854a880f4b1d/FLAG3d720a5d3 [2019-11-21 11:31:06,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cfa8fc5a/065ab851805a4c3b8332854a880f4b1d [2019-11-21 11:31:06,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:31:06,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:31:06,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:31:06,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:31:06,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:31:06,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:31:06" (1/1) ... [2019-11-21 11:31:06,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93a5106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:06, skipping insertion in model container [2019-11-21 11:31:06,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:31:06" (1/1) ... [2019-11-21 11:31:06,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:31:06,392 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:31:06,942 INFO L966 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 [2019-11-21 11:31:06,943 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:31:06,943 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:31:06,969 INFO L966 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 [2019-11-21 11:31:06,970 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:31:06,970 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:31:06,974 INFO L966 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 [2019-11-21 11:31:06,975 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:31:06,975 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:31:06,979 INFO L966 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 [2019-11-21 11:31:06,980 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:31:06,980 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:31:07,015 INFO L966 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 [2019-11-21 11:31:07,016 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:31:07,016 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:31:07,029 INFO L966 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 [2019-11-21 11:31:07,030 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [763] [2019-11-21 11:31:07,030 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:31:07,044 INFO L966 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 [2019-11-21 11:31:07,045 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [776] [2019-11-21 11:31:07,045 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:31:07,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:31:07,081 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:31:07,093 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:31:07,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:31:07,183 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:31:07,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:31:07,394 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:31:07,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07 WrapperNode [2019-11-21 11:31:07,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:31:07,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:31:07,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:31:07,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:31:07,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07" (1/1) ... [2019-11-21 11:31:07,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07" (1/1) ... [2019-11-21 11:31:07,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07" (1/1) ... [2019-11-21 11:31:07,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07" (1/1) ... [2019-11-21 11:31:07,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07" (1/1) ... [2019-11-21 11:31:07,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07" (1/1) ... [2019-11-21 11:31:07,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07" (1/1) ... [2019-11-21 11:31:07,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:31:07,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:31:07,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:31:07,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:31:07,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07" (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 [2019-11-21 11:31:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:31:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:31:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:31:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:31:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:31:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:31:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:31:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:31:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:31:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:31:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:31:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:31:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:31:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:31:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:31:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:31:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:31:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:31:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:31:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:31:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:31:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:31:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:31:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:31:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:31:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:31:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:31:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:31:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:31:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:31:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:31:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:31:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:31:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:31:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:31:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:31:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:31:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:31:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:31:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:31:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:31:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure f19 [2019-11-21 11:31:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure f19_undo [2019-11-21 11:31:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure g19 [2019-11-21 11:31:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_unsafe_19 [2019-11-21 11:31:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_19 [2019-11-21 11:31:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:31:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:31:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:31:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:31:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:31:07,598 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:31:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:31:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:31:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:31:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:31:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:31:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:31:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:31:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:31:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:31:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:31:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:31:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:31:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:31:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:31:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:31:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:31:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:31:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:31:07,603 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:31:07,603 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:31:07,603 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:31:07,603 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:31:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:31:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:31:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:31:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:31:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:31:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:31:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:31:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:31:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:31:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:31:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:31:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:31:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:31:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:31:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:31:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:31:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:31:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:31:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:31:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:31:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:31:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:31:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:31:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:31:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:31:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:31:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:31:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:31:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:31:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:31:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:31:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:31:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:31:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:31:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:31:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:31:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:31:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:31:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:31:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:31:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:31:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:31:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:31:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:31:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:31:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:31:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:31:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:31:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:31:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:31:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:31:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:31:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:31:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:31:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:31:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:31:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:31:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:31:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:31:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:31:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:31:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:31:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:31:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:31:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:31:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:31:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:31:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:31:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:31:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:31:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:31:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:31:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:31:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:31:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:31:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:31:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:31:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:31:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:31:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:31:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:31:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:31:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:31:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:31:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:31:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:31:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:31:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:31:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:31:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:31:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:31:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:31:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:31:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:31:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:31:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:31:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:31:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:31:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:31:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:31:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:31:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:31:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:31:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:31:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:31:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:31:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:31:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:31:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:31:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:31:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:31:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:31:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:31:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:31:07,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:31:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:31:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:31:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:31:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:31:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:31:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:31:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:31:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:31:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:31:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:31:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:31:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:31:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:31:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:31:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:31:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:31:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:31:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure f19 [2019-11-21 11:31:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure f19_undo [2019-11-21 11:31:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure g19 [2019-11-21 11:31:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure probe_unsafe_19 [2019-11-21 11:31:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_19 [2019-11-21 11:31:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:31:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:31:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:31:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:31:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:31:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:31:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:31:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:31:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:31:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:31:08,395 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:31:08,877 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:31:09,237 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:31:09,238 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:31:09,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:31:09 BoogieIcfgContainer [2019-11-21 11:31:09,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:31:09,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:31:09,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:31:09,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:31:09,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:31:06" (1/3) ... [2019-11-21 11:31:09,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c75eb8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:31:09, skipping insertion in model container [2019-11-21 11:31:09,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:31:07" (2/3) ... [2019-11-21 11:31:09,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c75eb8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:31:09, skipping insertion in model container [2019-11-21 11:31:09,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:31:09" (3/3) ... [2019-11-21 11:31:09,248 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test19-2.i [2019-11-21 11:31:09,262 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:31:09,276 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 94 error locations. [2019-11-21 11:31:09,290 INFO L249 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2019-11-21 11:31:09,315 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:31:09,315 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:31:09,315 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:31:09,315 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:31:09,315 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:31:09,316 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:31:09,316 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:31:09,316 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:31:09,348 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-11-21 11:31:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-21 11:31:09,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:31:09,370 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:31:09,371 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_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]=== [2019-11-21 11:31:09,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:31:09,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1880604432, now seen corresponding path program 1 times [2019-11-21 11:31:09,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:31:09,391 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2127153268] [2019-11-21 11:31:09,391 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 [2019-11-21 11:31:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:31:09,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-21 11:31:09,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:31:09,896 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 [2019-11-21 11:31:09,897 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:31:09,908 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:31:09,908 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:31:09,908 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 11:31:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:31:09,984 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:31:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:31:10,082 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2127153268] [2019-11-21 11:31:10,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:31:10,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2019-11-21 11:31:10,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789499329] [2019-11-21 11:31:10,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-21 11:31:10,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:31:10,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-21 11:31:10,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-21 11:31:10,110 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 7 states. [2019-11-21 11:31:10,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:31:10,700 INFO L93 Difference]: Finished difference Result 140 states and 160 transitions. [2019-11-21 11:31:10,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 11:31:10,703 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-21 11:31:10,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:31:10,730 INFO L225 Difference]: With dead ends: 140 [2019-11-21 11:31:10,730 INFO L226 Difference]: Without dead ends: 137 [2019-11-21 11:31:10,734 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-21 11:31:10,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-21 11:31:10,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 96. [2019-11-21 11:31:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-21 11:31:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2019-11-21 11:31:10,800 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 15 [2019-11-21 11:31:10,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:31:10,801 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2019-11-21 11:31:10,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-21 11:31:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2019-11-21 11:31:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-21 11:31:10,803 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:31:10,803 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:31:11,007 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:31:11,009 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_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]=== [2019-11-21 11:31:11,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:31:11,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1880604433, now seen corresponding path program 1 times [2019-11-21 11:31:11,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:31:11,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1088042969] [2019-11-21 11:31:11,011 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 [2019-11-21 11:31:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:31:11,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 11:31:11,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:31:11,336 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 [2019-11-21 11:31:11,337 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:31:11,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:31:11,346 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:31:11,347 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-21 11:31:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:31:11,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:31:11,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:31:11,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:31:11,714 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1088042969] [2019-11-21 11:31:11,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:31:11,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-21 11:31:11,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125703099] [2019-11-21 11:31:11,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 11:31:11,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:31:11,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 11:31:11,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-21 11:31:11,717 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 10 states. [2019-11-21 11:31:12,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:31:12,921 INFO L93 Difference]: Finished difference Result 135 states and 159 transitions. [2019-11-21 11:31:12,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 11:31:12,921 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2019-11-21 11:31:12,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:31:12,924 INFO L225 Difference]: With dead ends: 135 [2019-11-21 11:31:12,924 INFO L226 Difference]: Without dead ends: 135 [2019-11-21 11:31:12,925 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-21 11:31:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-21 11:31:12,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2019-11-21 11:31:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-21 11:31:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 134 transitions. [2019-11-21 11:31:12,940 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 134 transitions. Word has length 15 [2019-11-21 11:31:12,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:31:12,940 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 134 transitions. [2019-11-21 11:31:12,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 11:31:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2019-11-21 11:31:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-21 11:31:12,941 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:31:12,941 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:31:13,144 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:31:13,146 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_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]=== [2019-11-21 11:31:13,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:31:13,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1880574642, now seen corresponding path program 1 times [2019-11-21 11:31:13,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:31:13,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1397126028] [2019-11-21 11:31:13,148 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 [2019-11-21 11:31:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:31:13,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-21 11:31:13,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:31:13,424 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 [2019-11-21 11:31:13,424 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:31:13,433 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:31:13,436 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 [2019-11-21 11:31:13,436 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:31:13,444 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:31:13,445 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:31:13,445 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 11:31:15,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 11:31:15,576 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-21 11:31:15,576 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:31:15,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:31:15,630 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:31:15,631 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-21 11:31:15,632 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:31:15,642 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:31:15,643 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:31:15,644 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-21 11:31:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:31:15,664 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:31:15,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:31:16,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:31:16,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:31:16,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:31:16,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:31:16,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:31:16,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:31:16,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:31:16,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:31:16,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:31:19,473 WARN L192 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2019-11-21 11:31:19,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:31:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:31:20,119 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1397126028] [2019-11-21 11:31:20,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:31:20,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-21 11:31:20,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663021069] [2019-11-21 11:31:20,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-21 11:31:20,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:31:20,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-21 11:31:20,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=148, Unknown=2, NotChecked=0, Total=182 [2019-11-21 11:31:20,122 INFO L87 Difference]: Start difference. First operand 110 states and 134 transitions. Second operand 14 states. [2019-11-21 11:31:34,939 WARN L192 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2019-11-21 11:31:57,404 WARN L192 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-21 11:31:57,757 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2019-11-21 11:32:20,203 WARN L192 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 12 [2019-11-21 11:33:36,310 WARN L192 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2019-11-21 11:34:13,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:34:13,322 INFO L93 Difference]: Finished difference Result 152 states and 179 transitions. [2019-11-21 11:34:13,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-21 11:34:13,324 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-11-21 11:34:13,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:34:13,326 INFO L225 Difference]: With dead ends: 152 [2019-11-21 11:34:13,326 INFO L226 Difference]: Without dead ends: 152 [2019-11-21 11:34:13,326 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=102, Invalid=358, Unknown=2, NotChecked=0, Total=462 [2019-11-21 11:34:13,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-21 11:34:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 99. [2019-11-21 11:34:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-21 11:34:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2019-11-21 11:34:13,339 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 15 [2019-11-21 11:34:13,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:34:13,340 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2019-11-21 11:34:13,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-21 11:34:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2019-11-21 11:34:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 11:34:13,341 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:34:13,342 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:34:13,542 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:34:13,544 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_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]=== [2019-11-21 11:34:13,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:34:13,545 INFO L82 PathProgramCache]: Analyzing trace with hash 250713103, now seen corresponding path program 1 times [2019-11-21 11:34:13,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:34:13,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [462529839] [2019-11-21 11:34:13,547 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 [2019-11-21 11:34:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:34:13,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-21 11:34:13,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:34:13,872 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 [2019-11-21 11:34:13,872 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:13,874 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:13,875 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:34:13,875 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 11:34:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-21 11:34:13,956 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:34:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:34:14,046 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [462529839] [2019-11-21 11:34:14,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:34:14,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 8 [2019-11-21 11:34:14,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955308859] [2019-11-21 11:34:14,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 11:34:14,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:34:14,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 11:34:14,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:34:14,048 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 9 states. [2019-11-21 11:34:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:34:14,673 INFO L93 Difference]: Finished difference Result 129 states and 150 transitions. [2019-11-21 11:34:14,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-21 11:34:14,673 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2019-11-21 11:34:14,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:34:14,675 INFO L225 Difference]: With dead ends: 129 [2019-11-21 11:34:14,675 INFO L226 Difference]: Without dead ends: 129 [2019-11-21 11:34:14,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-11-21 11:34:14,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-21 11:34:14,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 97. [2019-11-21 11:34:14,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-21 11:34:14,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2019-11-21 11:34:14,687 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 26 [2019-11-21 11:34:14,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:34:14,687 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2019-11-21 11:34:14,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 11:34:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2019-11-21 11:34:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 11:34:14,689 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:34:14,689 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:34:14,889 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:34:14,891 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_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]=== [2019-11-21 11:34:14,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:34:14,891 INFO L82 PathProgramCache]: Analyzing trace with hash 250713104, now seen corresponding path program 1 times [2019-11-21 11:34:14,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:34:14,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [52969174] [2019-11-21 11:34:14,893 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 [2019-11-21 11:34:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:34:15,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-21 11:34:15,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:34:15,188 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 13 treesize of output 9 [2019-11-21 11:34:15,188 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:15,199 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:15,203 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 13 treesize of output 9 [2019-11-21 11:34:15,203 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:15,210 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:15,210 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:34:15,211 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:19 [2019-11-21 11:34:15,240 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-11-21 11:34:15,241 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:15,261 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:15,265 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-11-21 11:34:15,265 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:15,275 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:15,275 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:34:15,276 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:7 [2019-11-21 11:34:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:34:15,290 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:34:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 11:34:15,334 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [52969174] [2019-11-21 11:34:15,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-21 11:34:15,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-11-21 11:34:15,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852959091] [2019-11-21 11:34:15,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 11:34:15,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:34:15,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 11:34:15,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:34:15,336 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand 6 states. [2019-11-21 11:34:15,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:34:15,455 INFO L93 Difference]: Finished difference Result 99 states and 111 transitions. [2019-11-21 11:34:15,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 11:34:15,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-21 11:34:15,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:34:15,456 INFO L225 Difference]: With dead ends: 99 [2019-11-21 11:34:15,456 INFO L226 Difference]: Without dead ends: 99 [2019-11-21 11:34:15,457 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-21 11:34:15,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-21 11:34:15,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2019-11-21 11:34:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-21 11:34:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 108 transitions. [2019-11-21 11:34:15,465 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 108 transitions. Word has length 26 [2019-11-21 11:34:15,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:34:15,465 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 108 transitions. [2019-11-21 11:34:15,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 11:34:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 108 transitions. [2019-11-21 11:34:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 11:34:15,466 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:34:15,466 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:34:15,670 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:34:15,670 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_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]=== [2019-11-21 11:34:15,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:34:15,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1256838705, now seen corresponding path program 1 times [2019-11-21 11:34:15,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:34:15,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [677850888] [2019-11-21 11:34:15,672 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 [2019-11-21 11:34:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:34:15,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-21 11:34:15,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:34:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:34:16,072 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:34:16,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:34:16,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:34:16,396 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2019-11-21 11:34:16,396 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:34:16,404 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2019-11-21 11:34:16,405 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:34:16,414 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2019-11-21 11:34:16,415 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:34:16,460 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:16,461 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2019-11-21 11:34:16,461 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:43, output treesize:35 [2019-11-21 11:34:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:34:16,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [677850888] [2019-11-21 11:34:16,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:34:16,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-11-21 11:34:16,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830903751] [2019-11-21 11:34:16,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-21 11:34:16,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:34:16,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-21 11:34:16,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2019-11-21 11:34:16,815 INFO L87 Difference]: Start difference. First operand 96 states and 108 transitions. Second operand 16 states. [2019-11-21 11:34:18,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:34:18,550 INFO L93 Difference]: Finished difference Result 105 states and 118 transitions. [2019-11-21 11:34:18,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-21 11:34:18,550 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2019-11-21 11:34:18,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:34:18,552 INFO L225 Difference]: With dead ends: 105 [2019-11-21 11:34:18,552 INFO L226 Difference]: Without dead ends: 105 [2019-11-21 11:34:18,552 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2019-11-21 11:34:18,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-21 11:34:18,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2019-11-21 11:34:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-21 11:34:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2019-11-21 11:34:18,560 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 26 [2019-11-21 11:34:18,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:34:18,561 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2019-11-21 11:34:18,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-21 11:34:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2019-11-21 11:34:18,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 11:34:18,562 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:34:18,562 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:34:18,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:34:18,764 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_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]=== [2019-11-21 11:34:18,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:34:18,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1256868496, now seen corresponding path program 1 times [2019-11-21 11:34:18,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:34:18,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [79077475] [2019-11-21 11:34:18,766 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 [2019-11-21 11:34:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:34:19,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-21 11:34:19,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:34:19,099 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 [2019-11-21 11:34:19,100 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:19,107 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:19,111 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 [2019-11-21 11:34:19,111 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:19,119 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:19,119 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:34:19,119 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 11:34:21,241 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:21,242 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-21 11:34:21,243 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:21,257 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:21,261 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-21 11:34:21,262 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:21,272 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:21,273 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:34:21,273 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-21 11:34:21,379 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 11:34:21,380 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-21 11:34:21,381 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:21,396 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:21,408 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:21,408 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-21 11:34:21,409 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:21,421 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:21,421 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:34:21,422 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2019-11-21 11:34:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-21 11:34:21,450 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:34:21,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:34:23,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:23,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:34:23,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:23,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:23,688 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:23,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:34:23,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:23,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:26,501 WARN L192 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 11:34:26,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:29,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:34:29,109 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:29,110 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2019-11-21 11:34:29,110 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:29,130 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:29,131 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2019-11-21 11:34:29,132 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:29,147 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:29,148 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-11-21 11:34:29,149 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-21 11:34:29,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:34:29,187 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-11-21 11:34:29,188 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:58, output treesize:23 [2019-11-21 11:34:29,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:34:29,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:34:29,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:29,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:29,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:29,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:29,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:29,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:29,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:29,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:31,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:34:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-21 11:34:35,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [79077475] [2019-11-21 11:34:35,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:34:35,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 19 [2019-11-21 11:34:35,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520471679] [2019-11-21 11:34:35,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-21 11:34:35,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:34:35,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-21 11:34:35,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=327, Unknown=4, NotChecked=0, Total=380 [2019-11-21 11:34:35,866 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand 20 states. [2019-11-21 11:34:40,312 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 12 [2019-11-21 11:34:50,744 WARN L192 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 51 [2019-11-21 11:35:11,146 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-11-21 11:35:28,862 WARN L192 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 43 DAG size of output: 16 [2019-11-21 11:36:19,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:36:19,254 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions. [2019-11-21 11:36:19,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-21 11:36:19,255 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 26 [2019-11-21 11:36:19,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:36:19,256 INFO L225 Difference]: With dead ends: 126 [2019-11-21 11:36:19,257 INFO L226 Difference]: Without dead ends: 126 [2019-11-21 11:36:19,258 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=119, Invalid=689, Unknown=4, NotChecked=0, Total=812 [2019-11-21 11:36:19,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-21 11:36:19,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 94. [2019-11-21 11:36:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-21 11:36:19,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2019-11-21 11:36:19,270 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 26 [2019-11-21 11:36:19,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:36:19,271 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2019-11-21 11:36:19,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-21 11:36:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2019-11-21 11:36:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 11:36:19,272 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:36:19,272 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] [2019-11-21 11:36:19,476 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:36:19,477 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_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]=== [2019-11-21 11:36:19,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:36:19,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1996936919, now seen corresponding path program 1 times [2019-11-21 11:36:19,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:36:19,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [687527963] [2019-11-21 11:36:19,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-21 11:36:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:36:19,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:36:19,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:36:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:36:19,749 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:36:19,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:36:19,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [687527963] [2019-11-21 11:36:19,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:36:19,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-21 11:36:19,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51720927] [2019-11-21 11:36:19,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 11:36:19,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:36:19,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 11:36:19,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-21 11:36:19,812 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand 10 states. [2019-11-21 11:36:19,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:36:19,899 INFO L93 Difference]: Finished difference Result 118 states and 128 transitions. [2019-11-21 11:36:19,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 11:36:19,900 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-11-21 11:36:19,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:36:19,901 INFO L225 Difference]: With dead ends: 118 [2019-11-21 11:36:19,901 INFO L226 Difference]: Without dead ends: 118 [2019-11-21 11:36:19,901 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-21 11:36:19,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-21 11:36:19,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2019-11-21 11:36:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-21 11:36:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2019-11-21 11:36:19,908 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 26 [2019-11-21 11:36:19,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:36:19,908 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2019-11-21 11:36:19,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 11:36:19,909 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2019-11-21 11:36:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-21 11:36:19,910 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:36:19,910 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] [2019-11-21 11:36:20,118 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:36:20,119 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, 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, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, 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, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, 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, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_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]=== [2019-11-21 11:36:20,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:36:20,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1774875126, now seen corresponding path program 1 times [2019-11-21 11:36:20,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:36:20,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1321983707] [2019-11-21 11:36:20,121 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 [2019-11-21 11:36:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:36:20,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-21 11:36:20,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:36:20,421 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:36:20,422 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 11:36:20,422 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:36:20,439 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 11:36:20,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:36:20,441 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:36:20,441 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 11:36:20,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:36:20,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:36:20,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:36:20,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:36:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:36:26,579 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:36:30,896 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:36:30,898 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) 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:419) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 11:36:30,911 INFO L168 Benchmark]: Toolchain (without parser) took 324580.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.1 MB). Free memory was 956.3 MB in the beginning and 948.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 301.1 MB. Max. memory is 11.5 GB. [2019-11-21 11:36:30,911 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:36:30,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1063.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-21 11:36:30,918 INFO L168 Benchmark]: Boogie Preprocessor took 111.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-21 11:36:30,921 INFO L168 Benchmark]: RCFGBuilder took 1732.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.8 MB in the end (delta: 120.6 MB). Peak memory consumption was 120.6 MB. Max. memory is 11.5 GB. [2019-11-21 11:36:30,921 INFO L168 Benchmark]: TraceAbstraction took 321665.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.9 MB). Free memory was 974.8 MB in the beginning and 948.3 MB in the end (delta: 26.5 MB). Peak memory consumption was 164.4 MB. Max. memory is 11.5 GB. [2019-11-21 11:36:30,923 INFO L335 ainManager$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 1063.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.16 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1732.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.8 MB in the end (delta: 120.6 MB). Peak memory consumption was 120.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 321665.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.9 MB). Free memory was 974.8 MB in the beginning and 948.3 MB in the end (delta: 26.5 MB). Peak memory consumption was 164.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...