./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- 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_test5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 865b9817b99e49ea2291023072dbeb614cc40342 --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 13:02:59,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 13:02:59,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 13:02:59,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 13:02:59,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 13:02:59,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 13:02:59,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 13:02:59,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 13:02:59,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 13:02:59,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 13:02:59,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 13:02:59,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 13:02:59,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 13:02:59,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 13:02:59,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 13:02:59,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 13:02:59,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 13:02:59,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 13:02:59,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 13:02:59,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 13:02:59,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 13:02:59,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 13:02:59,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 13:02:59,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 13:02:59,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 13:02:59,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 13:02:59,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 13:02:59,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 13:02:59,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 13:02:59,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 13:02:59,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 13:02:59,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 13:02:59,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 13:02:59,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 13:02:59,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 13:02:59,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 13:02:59,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 13:02:59,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 13:02:59,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 13:02:59,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 13:02:59,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 13:02:59,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 13:02:59,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 13:02:59,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 13:02:59,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 13:02:59,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 13:02:59,202 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 13:02:59,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 13:02:59,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 13:02:59,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 13:02:59,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 13:02:59,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 13:02:59,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 13:02:59,204 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 13:02:59,204 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 13:02:59,204 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 13:02:59,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 13:02:59,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 13:02:59,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 13:02:59,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 13:02:59,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 13:02:59,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 13:02:59,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 13:02:59,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 13:02:59,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 13:02:59,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 13:02:59,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 13:02:59,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 13:02:59,207 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 13:02:59,207 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 13:02:59,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 13:02:59,208 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 865b9817b99e49ea2291023072dbeb614cc40342 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 13:02:59,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 13:02:59,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 13:02:59,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 13:02:59,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 13:02:59,521 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 13:02:59,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-21 13:02:59,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ab0a444/a6940f2133864dc5ac714219a12b4ca5/FLAGfe55c1384 [2019-11-21 13:03:00,224 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 13:03:00,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-21 13:03:00,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ab0a444/a6940f2133864dc5ac714219a12b4ca5/FLAGfe55c1384 [2019-11-21 13:03:00,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ab0a444/a6940f2133864dc5ac714219a12b4ca5 [2019-11-21 13:03:00,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 13:03:00,454 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 13:03:00,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 13:03:00,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 13:03:00,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 13:03:00,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:00" (1/1) ... [2019-11-21 13:03:00,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f2aa46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:00, skipping insertion in model container [2019-11-21 13:03:00,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:00" (1/1) ... [2019-11-21 13:03:00,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 13:03:00,515 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 13:03:00,951 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 13:03:00,952 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 13:03:00,952 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:03:00,977 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 13:03:00,977 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 13:03:00,977 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:03:00,982 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 13:03:00,982 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 13:03:00,982 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:03:00,985 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 13:03:00,986 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 13:03:00,986 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:03:01,030 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 13:03:01,031 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 13:03:01,031 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:03:01,048 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 13:03:01,048 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [759] [2019-11-21 13:03:01,049 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:03:01,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 13:03:01,079 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 13:03:01,086 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 13:03:01,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 13:03:01,157 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 13:03:01,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 13:03:01,350 INFO L205 MainTranslator]: Completed translation [2019-11-21 13:03:01,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01 WrapperNode [2019-11-21 13:03:01,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 13:03:01,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 13:03:01,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 13:03:01,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 13:03:01,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01" (1/1) ... [2019-11-21 13:03:01,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01" (1/1) ... [2019-11-21 13:03:01,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01" (1/1) ... [2019-11-21 13:03:01,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01" (1/1) ... [2019-11-21 13:03:01,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01" (1/1) ... [2019-11-21 13:03:01,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01" (1/1) ... [2019-11-21 13:03:01,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01" (1/1) ... [2019-11-21 13:03:01,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 13:03:01,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 13:03:01,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 13:03:01,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 13:03:01,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01" (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 13:03:01,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 13:03:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 13:03:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 13:03:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 13:03:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 13:03:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 13:03:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 13:03:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 13:03:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 13:03:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 13:03:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 13:03:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 13:03:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 13:03:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 13:03:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 13:03:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 13:03:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 13:03:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 13:03:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 13:03:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 13:03:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 13:03:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 13:03:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 13:03:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 13:03:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 13:03:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 13:03:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 13:03:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 13:03:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 13:03:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 13:03:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 13:03:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 13:03:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 13:03:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 13:03:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 13:03:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 13:03:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 13:03:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 13:03:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 13:03:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 13:03:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 13:03:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2019-11-21 13:03:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2019-11-21 13:03:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 13:03:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 13:03:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 13:03:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 13:03:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 13:03:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 13:03:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 13:03:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 13:03:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 13:03:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 13:03:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 13:03:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 13:03:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 13:03:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 13:03:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 13:03:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 13:03:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 13:03:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 13:03:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 13:03:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 13:03:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 13:03:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 13:03:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 13:03:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 13:03:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 13:03:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 13:03:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 13:03:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 13:03:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 13:03:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 13:03:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 13:03:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 13:03:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 13:03:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 13:03:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 13:03:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 13:03:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 13:03:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 13:03:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 13:03:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 13:03:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 13:03:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 13:03:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 13:03:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 13:03:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 13:03:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 13:03:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 13:03:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 13:03:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 13:03:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 13:03:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 13:03:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 13:03:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 13:03:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 13:03:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 13:03:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 13:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 13:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 13:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 13:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 13:03:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 13:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 13:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 13:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 13:03:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 13:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 13:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 13:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 13:03:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 13:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 13:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 13:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 13:03:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 13:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 13:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 13:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 13:03:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 13:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 13:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 13:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 13:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 13:03:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 13:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 13:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 13:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 13:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 13:03:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 13:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 13:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 13:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 13:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 13:03:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 13:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 13:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 13:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 13:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 13:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 13:03:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 13:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 13:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 13:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 13:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 13:03:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 13:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 13:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 13:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 13:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 13:03:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 13:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 13:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 13:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 13:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 13:03:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 13:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 13:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 13:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 13:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 13:03:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 13:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 13:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 13:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 13:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 13:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 13:03:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 13:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 13:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 13:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 13:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 13:03:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 13:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 13:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 13:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 13:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 13:03:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 13:03:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 13:03:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 13:03:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 13:03:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 13:03:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 13:03:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 13:03:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 13:03:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 13:03:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 13:03:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 13:03:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 13:03:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 13:03:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 13:03:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 13:03:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 13:03:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 13:03:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 13:03:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 13:03:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 13:03:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 13:03:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 13:03:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 13:03:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 13:03:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 13:03:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 13:03:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 13:03:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2019-11-21 13:03:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2019-11-21 13:03:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 13:03:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 13:03:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 13:03:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 13:03:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 13:03:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 13:03:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 13:03:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 13:03:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 13:03:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 13:03:02,238 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 13:03:02,633 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 13:03:02,976 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 13:03:02,976 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 13:03:02,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:02 BoogieIcfgContainer [2019-11-21 13:03:02,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 13:03:02,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 13:03:02,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 13:03:02,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 13:03:02,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:03:00" (1/3) ... [2019-11-21 13:03:02,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb0bbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:03:02, skipping insertion in model container [2019-11-21 13:03:02,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:01" (2/3) ... [2019-11-21 13:03:02,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb0bbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:03:02, skipping insertion in model container [2019-11-21 13:03:02,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:02" (3/3) ... [2019-11-21 13:03:02,987 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2019-11-21 13:03:02,997 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 13:03:03,005 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-21 13:03:03,017 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-21 13:03:03,039 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 13:03:03,039 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 13:03:03,039 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 13:03:03,039 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 13:03:03,039 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 13:03:03,039 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 13:03:03,040 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 13:03:03,040 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 13:03:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-21 13:03:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 13:03:03,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:03,069 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] [2019-11-21 13:03:03,070 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:03,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:03,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1811446666, now seen corresponding path program 1 times [2019-11-21 13:03:03,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:03,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [352122668] [2019-11-21 13:03:03,089 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 13:03:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:03,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 13:03:03,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:03,490 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 13:03:03,490 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:03,616 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 13:03:03,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [352122668] [2019-11-21 13:03:03,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:03:03,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 13:03:03,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608649460] [2019-11-21 13:03:03,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 13:03:03,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:03,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 13:03:03,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 13:03:03,645 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 9 states. [2019-11-21 13:03:03,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:03,749 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-21 13:03:03,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 13:03:03,754 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-21 13:03:03,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:03,764 INFO L225 Difference]: With dead ends: 33 [2019-11-21 13:03:03,764 INFO L226 Difference]: Without dead ends: 30 [2019-11-21 13:03:03,767 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 13:03:03,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-21 13:03:03,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-21 13:03:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-21 13:03:03,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-21 13:03:03,812 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-11-21 13:03:03,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:03,813 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-21 13:03:03,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 13:03:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-21 13:03:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 13:03:03,814 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:03,814 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 13:03:04,025 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:04,026 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:04,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:04,027 INFO L82 PathProgramCache]: Analyzing trace with hash -320271464, now seen corresponding path program 1 times [2019-11-21 13:03:04,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:04,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [903904992] [2019-11-21 13:03:04,028 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 13:03:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:04,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 13:03:04,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:04,564 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 13:03:04,564 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:04,869 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 13:03:04,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [903904992] [2019-11-21 13:03:04,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:03:04,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-21 13:03:04,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116029349] [2019-11-21 13:03:04,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 13:03:04,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:04,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 13:03:04,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2019-11-21 13:03:04,874 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 17 states. [2019-11-21 13:03:05,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:05,335 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-11-21 13:03:05,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 13:03:05,336 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 21 [2019-11-21 13:03:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:05,337 INFO L225 Difference]: With dead ends: 29 [2019-11-21 13:03:05,337 INFO L226 Difference]: Without dead ends: 29 [2019-11-21 13:03:05,339 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-21 13:03:05,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-21 13:03:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-21 13:03:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-21 13:03:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-11-21 13:03:05,344 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 21 [2019-11-21 13:03:05,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:05,344 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-11-21 13:03:05,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 13:03:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-11-21 13:03:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 13:03:05,346 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:05,346 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 13:03:05,549 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:05,550 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:05,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:05,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1338480456, now seen corresponding path program 1 times [2019-11-21 13:03:05,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:05,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2131689789] [2019-11-21 13:03:05,552 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 13:03:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:05,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-21 13:03:05,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:05,889 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 13:03:05,889 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:03:05,893 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:03:05,893 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:03:05,893 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 13:03:05,973 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 13:03:05,974 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:06,121 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 13:03:06,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2131689789] [2019-11-21 13:03:06,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:03:06,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 13:03:06,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307450511] [2019-11-21 13:03:06,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 13:03:06,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:06,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 13:03:06,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 13:03:06,127 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 9 states. [2019-11-21 13:03:06,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:06,281 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2019-11-21 13:03:06,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 13:03:06,283 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-21 13:03:06,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:06,287 INFO L225 Difference]: With dead ends: 45 [2019-11-21 13:03:06,287 INFO L226 Difference]: Without dead ends: 45 [2019-11-21 13:03:06,287 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 13:03:06,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-21 13:03:06,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2019-11-21 13:03:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-21 13:03:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2019-11-21 13:03:06,298 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 22 [2019-11-21 13:03:06,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:06,299 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2019-11-21 13:03:06,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 13:03:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2019-11-21 13:03:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 13:03:06,301 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:06,301 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 13:03:06,504 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:06,504 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:06,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:06,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1631883463, now seen corresponding path program 1 times [2019-11-21 13:03:06,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:06,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1010149228] [2019-11-21 13:03:06,506 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 13:03:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:06,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 13:03:06,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:06,786 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 13:03:06,786 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:06,849 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 13:03:06,849 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1010149228] [2019-11-21 13:03:06,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:03:06,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2019-11-21 13:03:06,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123088725] [2019-11-21 13:03:06,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 13:03:06,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:06,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 13:03:06,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-21 13:03:06,851 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 10 states. [2019-11-21 13:03:06,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:06,956 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-11-21 13:03:06,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-21 13:03:06,957 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-11-21 13:03:06,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:06,958 INFO L225 Difference]: With dead ends: 44 [2019-11-21 13:03:06,958 INFO L226 Difference]: Without dead ends: 43 [2019-11-21 13:03:06,960 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-11-21 13:03:06,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-21 13:03:06,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2019-11-21 13:03:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-21 13:03:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2019-11-21 13:03:06,968 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 22 [2019-11-21 13:03:06,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:06,969 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2019-11-21 13:03:06,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 13:03:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-11-21 13:03:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 13:03:06,970 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:06,970 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] [2019-11-21 13:03:07,173 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:07,174 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:07,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:07,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1844383163, now seen corresponding path program 1 times [2019-11-21 13:03:07,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:07,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [813815382] [2019-11-21 13:03:07,175 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 13:03:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:07,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 13:03:07,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:07,469 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 13:03:07,470 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:07,706 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 13:03:07,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [813815382] [2019-11-21 13:03:07,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:03:07,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 10 [2019-11-21 13:03:07,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321056405] [2019-11-21 13:03:07,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 13:03:07,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:07,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 13:03:07,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 13:03:07,709 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 10 states. [2019-11-21 13:03:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:07,793 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2019-11-21 13:03:07,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 13:03:07,794 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-21 13:03:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:07,795 INFO L225 Difference]: With dead ends: 43 [2019-11-21 13:03:07,795 INFO L226 Difference]: Without dead ends: 41 [2019-11-21 13:03:07,796 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-21 13:03:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-21 13:03:07,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2019-11-21 13:03:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-21 13:03:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2019-11-21 13:03:07,801 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 24 [2019-11-21 13:03:07,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:07,802 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2019-11-21 13:03:07,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 13:03:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2019-11-21 13:03:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 13:03:07,803 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:07,803 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] [2019-11-21 13:03:08,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:08,009 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:08,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:08,010 INFO L82 PathProgramCache]: Analyzing trace with hash -336831354, now seen corresponding path program 1 times [2019-11-21 13:03:08,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:08,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1950005877] [2019-11-21 13:03:08,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 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 13:03:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:08,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 13:03:08,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:08,237 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 13:03:08,237 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:08,370 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 13:03:08,370 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1950005877] [2019-11-21 13:03:08,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:03:08,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 13:03:08,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447468545] [2019-11-21 13:03:08,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 13:03:08,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:03:08,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 13:03:08,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 13:03:08,372 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 3 states. [2019-11-21 13:03:08,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:03:08,411 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-11-21 13:03:08,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 13:03:08,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-21 13:03:08,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:03:08,413 INFO L225 Difference]: With dead ends: 42 [2019-11-21 13:03:08,413 INFO L226 Difference]: Without dead ends: 28 [2019-11-21 13:03:08,414 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 13:03:08,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-21 13:03:08,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-11-21 13:03:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-21 13:03:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2019-11-21 13:03:08,417 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2019-11-21 13:03:08,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:03:08,418 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2019-11-21 13:03:08,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 13:03:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2019-11-21 13:03:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-21 13:03:08,419 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:03:08,419 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:03:08,621 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:08,623 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:03:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:03:08,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2018548075, now seen corresponding path program 1 times [2019-11-21 13:03:08,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:03:08,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [447587282] [2019-11-21 13:03:08,625 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 13:03:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:03:08,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-21 13:03:08,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:03:08,938 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:03:08,938 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 13:03:08,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:03:08,961 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 13:03:08,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:03:08,965 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 13:03:08,965 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 13:03:08,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:03:08,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:03:09,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:03:09,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:03:17,374 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 13:03:17,374 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:03:23,865 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:03:23,867 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 13:03:23,873 INFO L168 Benchmark]: Toolchain (without parser) took 23420.02 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 960.4 MB in the beginning and 1.3 GB in the end (delta: -326.8 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-21 13:03:23,874 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 13:03:23,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 896.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-21 13:03:23,876 INFO L168 Benchmark]: Boogie Preprocessor took 123.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-21 13:03:23,876 INFO L168 Benchmark]: RCFGBuilder took 1502.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.2 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2019-11-21 13:03:23,877 INFO L168 Benchmark]: TraceAbstraction took 20892.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.0 MB). Free memory was 979.2 MB in the beginning and 1.3 GB in the end (delta: -308.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 13:03:23,885 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 896.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 123.11 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 1502.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.2 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20892.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.0 MB). Free memory was 979.2 MB in the beginning and 1.3 GB in the end (delta: -308.0 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...