./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.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_test21-2.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 a23482f3e4bf2ffa9f2be73c4996e84b0385467f --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 11:39:13,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:39:13,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:39:13,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:39:13,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:39:13,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:39:13,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:39:13,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:39:13,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:39:13,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:39:13,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:39:13,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:39:13,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:39:13,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:39:13,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:39:13,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:39:13,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:39:13,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:39:13,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:39:13,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:39:13,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:39:13,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:39:13,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:39:13,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:39:13,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:39:13,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:39:13,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:39:13,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:39:13,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:39:13,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:39:13,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:39:13,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:39:13,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:39:13,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:39:13,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:39:13,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:39:13,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:39:13,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:39:13,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:39:13,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:39:13,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:39:13,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:39:13,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:39:13,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:39:13,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:39:13,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:39:13,113 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:39:13,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:39:13,114 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:39:13,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:39:13,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:39:13,115 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:39:13,116 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:39:13,116 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:39:13,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:39:13,117 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:39:13,118 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:13,118 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:39:13,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:39:13,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:39:13,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:39:13,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:39:13,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:39:13,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:39:13,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:39:13,120 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:39:13,121 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:39:13,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:39:13,121 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 -> a23482f3e4bf2ffa9f2be73c4996e84b0385467f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:39:13,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:39:13,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:39:13,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:39:13,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:39:13,457 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:39:13,458 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2019-11-21 11:39:13,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62d7b287/acd8be103c0041fbb03031ced005dede/FLAG00d47105b [2019-11-21 11:39:14,126 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:39:14,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2019-11-21 11:39:14,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62d7b287/acd8be103c0041fbb03031ced005dede/FLAG00d47105b [2019-11-21 11:39:14,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62d7b287/acd8be103c0041fbb03031ced005dede [2019-11-21 11:39:14,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:39:14,336 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:39:14,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:39:14,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:39:14,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:39:14,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:39:14" (1/1) ... [2019-11-21 11:39:14,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cfa060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:14, skipping insertion in model container [2019-11-21 11:39:14,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:39:14" (1/1) ... [2019-11-21 11:39:14,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:39:14,407 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:39:14,794 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 11:39:14,795 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:39:14,795 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:14,808 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 11:39:14,809 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:39:14,809 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:14,812 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 11:39:14,812 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:39:14,813 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:14,816 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 11:39:14,818 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:39:14,818 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:14,866 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 11:39:14,866 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:39:14,867 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:14,896 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 11:39:14,897 INFO L969 CHandler]: at location: C: (struct A21*)ldv_malloc(sizeof(struct A21)) [763] [2019-11-21 11:39:14,897 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:14,905 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 11:39:14,906 INFO L969 CHandler]: at location: C: (struct A21 *)( (char *)__mptr - ((size_t) &((struct A21 *)0)->dev) ) [772] [2019-11-21 11:39:14,906 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:14,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:39:14,952 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:39:14,974 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:39:15,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:39:15,102 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:39:15,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:39:15,261 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:39:15,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15 WrapperNode [2019-11-21 11:39:15,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:39:15,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:39:15,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:39:15,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:39:15,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15" (1/1) ... [2019-11-21 11:39:15,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15" (1/1) ... [2019-11-21 11:39:15,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15" (1/1) ... [2019-11-21 11:39:15,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15" (1/1) ... [2019-11-21 11:39:15,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15" (1/1) ... [2019-11-21 11:39:15,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15" (1/1) ... [2019-11-21 11:39:15,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15" (1/1) ... [2019-11-21 11:39:15,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:39:15,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:39:15,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:39:15,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:39:15,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15" (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 11:39:15,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:39:15,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:39:15,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:39:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:39:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:39:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:39:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:39:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:39:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:39:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:39:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:39:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:39:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:39:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:39:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:39:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:39:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:39:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:39:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:39:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:39:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:39:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:39:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:39:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:39:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:39:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:39:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:39:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:39:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:39:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:39:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:39:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:39:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:39:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:39:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:39:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:39:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:39:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:39:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:39:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:39:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:39:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2019-11-21 11:39:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure free_21 [2019-11-21 11:39:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:39:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:39:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:39:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:39:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:39:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:39:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:39:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:39:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:39:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:39:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:39:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:39:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:39:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:39:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:39:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:39:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:39:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:39:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:39:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:39:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:39:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:39:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:39:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:39:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:39:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:39:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:39:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:39:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:39:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:39:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:39:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:39:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:39:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:39:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:39:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:39:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:39:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:39:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:39:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:39:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:39:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:39:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:39:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:39:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:39:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:39:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:39:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:39:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:39:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:39:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:39:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:39:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:39:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:39:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:39:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:39:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:39:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:39:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:39:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:39:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:39:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:39:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:39:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:39:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:39:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:39:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:39:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:39:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:39:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:39:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:39:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:39:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:39:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:39:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:39:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:39:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:39:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:39:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:39:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:39:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:39:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:39:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:39:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:39:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:39:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:39:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:39:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:39:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:39:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:39:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:39:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:39:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:39:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:39:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:39:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:39:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:39:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:39:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:39:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:39:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:39:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:39:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:39:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:39:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:39:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:39:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:39:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:39:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:39:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:39:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:39:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:39:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:39:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:39:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:39:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:39:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:39:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:39:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:39:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:39:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:39:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:39:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:39:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:39:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:39:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:39:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:39:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:39:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:39:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:39:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:39:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:39:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:39:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:39:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:39:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:39:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:39:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:39:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:39:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:39:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:39:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:39:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:39:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:39:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:39:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:39:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:39:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:39:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:39:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:39:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:39:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:39:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:39:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:39:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:39:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:39:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:39:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:39:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:39:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:39:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2019-11-21 11:39:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure free_21 [2019-11-21 11:39:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:39:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:39:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:39:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:39:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:39:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:39:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:39:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:39:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:39:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:39:16,197 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:39:16,626 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:39:17,008 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:39:17,009 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:39:17,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:39:17 BoogieIcfgContainer [2019-11-21 11:39:17,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:39:17,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:39:17,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:39:17,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:39:17,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:39:14" (1/3) ... [2019-11-21 11:39:17,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757ecfca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:39:17, skipping insertion in model container [2019-11-21 11:39:17,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:15" (2/3) ... [2019-11-21 11:39:17,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757ecfca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:39:17, skipping insertion in model container [2019-11-21 11:39:17,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:39:17" (3/3) ... [2019-11-21 11:39:17,022 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test21-2.i [2019-11-21 11:39:17,034 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:39:17,049 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-21 11:39:17,063 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-21 11:39:17,093 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:39:17,094 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:39:17,095 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:39:17,100 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:39:17,100 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:39:17,100 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:39:17,100 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:39:17,100 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:39:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-11-21 11:39:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:39:17,137 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:17,138 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] [2019-11-21 11:39:17,139 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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 11:39:17,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:17,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1186645649, now seen corresponding path program 1 times [2019-11-21 11:39:17,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:17,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2120771045] [2019-11-21 11:39:17,162 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 11:39:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:17,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:39:17,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:17,616 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 11:39:17,616 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:17,752 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 11:39:17,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2120771045] [2019-11-21 11:39:17,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:17,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:39:17,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480441975] [2019-11-21 11:39:17,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:39:17,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:17,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:39:17,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:39:17,795 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 5 states. [2019-11-21 11:39:17,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:17,851 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2019-11-21 11:39:17,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:39:17,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-21 11:39:17,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:17,872 INFO L225 Difference]: With dead ends: 41 [2019-11-21 11:39:17,873 INFO L226 Difference]: Without dead ends: 38 [2019-11-21 11:39:17,875 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:39:17,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-21 11:39:17,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2019-11-21 11:39:17,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-21 11:39:17,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2019-11-21 11:39:17,934 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 21 [2019-11-21 11:39:17,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:17,935 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2019-11-21 11:39:17,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:39:17,936 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2019-11-21 11:39:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:39:17,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:17,938 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] [2019-11-21 11:39:18,152 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:18,153 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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 11:39:18,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:18,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1365511312, now seen corresponding path program 1 times [2019-11-21 11:39:18,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:18,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [190094594] [2019-11-21 11:39:18,154 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 11:39:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:18,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-21 11:39:18,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:18,572 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 11:39:18,572 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:18,735 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 11:39:18,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [190094594] [2019-11-21 11:39:18,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:18,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2019-11-21 11:39:18,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074133564] [2019-11-21 11:39:18,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-21 11:39:18,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:18,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-21 11:39:18,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-21 11:39:18,742 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 11 states. [2019-11-21 11:39:18,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:18,933 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2019-11-21 11:39:18,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-21 11:39:18,933 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2019-11-21 11:39:18,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:18,935 INFO L225 Difference]: With dead ends: 53 [2019-11-21 11:39:18,935 INFO L226 Difference]: Without dead ends: 53 [2019-11-21 11:39:18,937 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-21 11:39:18,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-21 11:39:18,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2019-11-21 11:39:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-21 11:39:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2019-11-21 11:39:18,947 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 21 [2019-11-21 11:39:18,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:18,948 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2019-11-21 11:39:18,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-21 11:39:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2019-11-21 11:39:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:39:18,949 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:18,949 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] [2019-11-21 11:39:19,152 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:19,154 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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 11:39:19,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:19,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1057562930, now seen corresponding path program 1 times [2019-11-21 11:39:19,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:19,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1534339387] [2019-11-21 11:39:19,156 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 11:39:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:19,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 11:39:19,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:19,569 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 11:39:19,569 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:19,628 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 11:39:19,628 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1534339387] [2019-11-21 11:39:19,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:19,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-21 11:39:19,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274831842] [2019-11-21 11:39:19,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-21 11:39:19,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:19,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-21 11:39:19,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-21 11:39:19,630 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 7 states. [2019-11-21 11:39:19,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:19,699 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2019-11-21 11:39:19,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-21 11:39:19,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-21 11:39:19,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:19,703 INFO L225 Difference]: With dead ends: 45 [2019-11-21 11:39:19,703 INFO L226 Difference]: Without dead ends: 45 [2019-11-21 11:39:19,703 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-21 11:39:19,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-21 11:39:19,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2019-11-21 11:39:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-21 11:39:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2019-11-21 11:39:19,710 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 21 [2019-11-21 11:39:19,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:19,710 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2019-11-21 11:39:19,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-21 11:39:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-11-21 11:39:19,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:39:19,711 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:19,711 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] [2019-11-21 11:39:19,914 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:19,915 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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 11:39:19,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:19,915 INFO L82 PathProgramCache]: Analyzing trace with hash -618821905, now seen corresponding path program 1 times [2019-11-21 11:39:19,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:19,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1019846903] [2019-11-21 11:39:19,917 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 11:39:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:20,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-21 11:39:20,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:20,491 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 11:39:20,491 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:20,879 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 11:39:20,880 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1019846903] [2019-11-21 11:39:20,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:20,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 20 [2019-11-21 11:39:20,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131463804] [2019-11-21 11:39:20,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-21 11:39:20,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:20,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-21 11:39:20,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2019-11-21 11:39:20,882 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 21 states. [2019-11-21 11:39:21,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:21,558 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2019-11-21 11:39:21,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-21 11:39:21,560 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 22 [2019-11-21 11:39:21,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:21,561 INFO L225 Difference]: With dead ends: 42 [2019-11-21 11:39:21,562 INFO L226 Difference]: Without dead ends: 42 [2019-11-21 11:39:21,563 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2019-11-21 11:39:21,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-21 11:39:21,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-11-21 11:39:21,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-21 11:39:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2019-11-21 11:39:21,568 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 22 [2019-11-21 11:39:21,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:21,568 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2019-11-21 11:39:21,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-21 11:39:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2019-11-21 11:39:21,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 11:39:21,569 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:21,569 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] [2019-11-21 11:39:21,772 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:21,773 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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 11:39:21,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:21,774 INFO L82 PathProgramCache]: Analyzing trace with hash -2003609486, now seen corresponding path program 1 times [2019-11-21 11:39:21,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:21,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [578265423] [2019-11-21 11:39:21,775 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 11:39:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:22,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-21 11:39:22,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:22,057 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 11:39:22,057 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:39:22,062 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:39:22,062 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:39:22,067 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 11:39:22,177 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 11:39:22,177 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:22,312 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 11:39:22,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [578265423] [2019-11-21 11:39:22,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:22,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2019-11-21 11:39:22,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23388566] [2019-11-21 11:39:22,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-21 11:39:22,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:22,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-21 11:39:22,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-21 11:39:22,314 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 11 states. [2019-11-21 11:39:22,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:22,538 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2019-11-21 11:39:22,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-21 11:39:22,539 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2019-11-21 11:39:22,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:22,541 INFO L225 Difference]: With dead ends: 51 [2019-11-21 11:39:22,541 INFO L226 Difference]: Without dead ends: 51 [2019-11-21 11:39:22,542 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-21 11:39:22,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-21 11:39:22,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-21 11:39:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-21 11:39:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2019-11-21 11:39:22,552 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 23 [2019-11-21 11:39:22,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:22,552 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2019-11-21 11:39:22,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-21 11:39:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2019-11-21 11:39:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 11:39:22,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:22,553 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] [2019-11-21 11:39:22,764 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:22,765 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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 11:39:22,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:22,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1785799185, now seen corresponding path program 1 times [2019-11-21 11:39:22,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:22,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1293053099] [2019-11-21 11:39:22,768 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 11:39:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:22,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 11:39:22,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:23,080 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 11:39:23,080 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:23,150 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 11:39:23,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1293053099] [2019-11-21 11:39:23,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:23,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2019-11-21 11:39:23,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226947967] [2019-11-21 11:39:23,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-21 11:39:23,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:23,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-21 11:39:23,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-21 11:39:23,153 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 11 states. [2019-11-21 11:39:23,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:23,327 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2019-11-21 11:39:23,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-21 11:39:23,328 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2019-11-21 11:39:23,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:23,329 INFO L225 Difference]: With dead ends: 54 [2019-11-21 11:39:23,330 INFO L226 Difference]: Without dead ends: 54 [2019-11-21 11:39:23,330 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-21 11:39:23,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-21 11:39:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 41. [2019-11-21 11:39:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-21 11:39:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2019-11-21 11:39:23,336 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 23 [2019-11-21 11:39:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:23,337 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2019-11-21 11:39:23,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-21 11:39:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-11-21 11:39:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-21 11:39:23,338 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:23,338 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] [2019-11-21 11:39:23,541 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:23,542 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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 11:39:23,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:23,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1466102448, now seen corresponding path program 1 times [2019-11-21 11:39:23,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:23,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [328895575] [2019-11-21 11:39:23,543 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 11:39:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:23,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 11:39:23,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:23,809 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 11:39:23,810 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:23,928 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 11:39:23,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [328895575] [2019-11-21 11:39:23,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:23,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 11:39:23,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195350689] [2019-11-21 11:39:23,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 11:39:23,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:23,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 11:39:23,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:39:23,931 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 3 states. [2019-11-21 11:39:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:23,968 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2019-11-21 11:39:23,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 11:39:23,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-21 11:39:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:23,970 INFO L225 Difference]: With dead ends: 48 [2019-11-21 11:39:23,970 INFO L226 Difference]: Without dead ends: 37 [2019-11-21 11:39:23,971 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:39:23,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-21 11:39:23,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2019-11-21 11:39:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-21 11:39:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2019-11-21 11:39:23,976 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 25 [2019-11-21 11:39:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:23,976 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2019-11-21 11:39:23,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 11:39:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2019-11-21 11:39:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-21 11:39:23,977 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:23,977 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:39:24,185 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:24,186 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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 11:39:24,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:24,186 INFO L82 PathProgramCache]: Analyzing trace with hash -561210795, now seen corresponding path program 1 times [2019-11-21 11:39:24,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:24,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1198838227] [2019-11-21 11:39:24,188 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 11:39:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:24,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-21 11:39:24,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:24,502 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:39:24,503 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 11:39:24,503 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:39:24,530 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 11:39:24,531 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:24,535 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 11:39:24,535 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 11:39:24,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:24,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:24,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:24,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:34,990 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 11:39:34,991 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:41,938 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:41,940 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 11:39:41,948 INFO L168 Benchmark]: Toolchain (without parser) took 27612.91 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. [2019-11-21 11:39:41,949 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:39:41,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 927.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-21 11:39:41,951 INFO L168 Benchmark]: Boogie Preprocessor took 122.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-21 11:39:41,952 INFO L168 Benchmark]: RCFGBuilder took 1624.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.1 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 11.5 GB. [2019-11-21 11:39:41,952 INFO L168 Benchmark]: TraceAbstraction took 24933.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.6 MB). Free memory was 986.1 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:39:41,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 927.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 122.70 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1624.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.1 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24933.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.6 MB). Free memory was 986.1 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). There was no memory consumed. 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...