./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 47a446ab72b0e2eb3d0b617f2eb4b8d836905a9e --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 11:27:07,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:27:07,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:27:07,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:27:07,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:27:07,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:27:07,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:27:07,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:27:07,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:27:07,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:27:07,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:27:07,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:27:07,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:27:07,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:27:07,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:27:07,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:27:07,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:27:07,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:27:07,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:27:07,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:27:07,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:27:07,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:27:07,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:27:07,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:27:07,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:27:07,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:27:07,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:27:07,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:27:07,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:27:07,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:27:07,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:27:07,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:27:07,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:27:07,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:27:07,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:27:07,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:27:07,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:27:07,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:27:07,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:27:07,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:27:07,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:27:07,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:27:07,147 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:27:07,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:27:07,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:27:07,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:27:07,150 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:27:07,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:27:07,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:27:07,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:27:07,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:27:07,151 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:27:07,152 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:27:07,153 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:27:07,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:27:07,153 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:27:07,154 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:27:07,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:27:07,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:27:07,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:27:07,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:27:07,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:27:07,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:27:07,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:27:07,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:27:07,156 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:27:07,156 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:27:07,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:27:07,157 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47a446ab72b0e2eb3d0b617f2eb4b8d836905a9e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:27:07,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:27:07,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:27:07,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:27:07,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:27:07,481 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:27:07,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i [2019-11-21 11:27:07,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f18ebf0c/fcf59b43de3d4cd1989f86e07a5c7151/FLAGb4bc7be12 [2019-11-21 11:27:08,142 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:27:08,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i [2019-11-21 11:27:08,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f18ebf0c/fcf59b43de3d4cd1989f86e07a5c7151/FLAGb4bc7be12 [2019-11-21 11:27:08,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f18ebf0c/fcf59b43de3d4cd1989f86e07a5c7151 [2019-11-21 11:27:08,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:27:08,370 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:27:08,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:27:08,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:27:08,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:27:08,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:08" (1/1) ... [2019-11-21 11:27:08,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3ff98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:08, skipping insertion in model container [2019-11-21 11:27:08,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:08" (1/1) ... [2019-11-21 11:27:08,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:27:08,458 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:27:08,869 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:27:08,870 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:27:08,870 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:27:08,883 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:27:08,883 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:27:08,883 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:27:08,886 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:27:08,886 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:27:08,886 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:27:08,889 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:27:08,889 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:27:08,890 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:27:08,915 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:27:08,915 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:27:08,916 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:27:08,928 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:27:08,928 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [766] [2019-11-21 11:27:08,928 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:27:08,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:27:08,958 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:27:08,981 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:27:09,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:27:09,077 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:27:09,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:27:09,253 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:27:09,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09 WrapperNode [2019-11-21 11:27:09,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:27:09,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:27:09,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:27:09,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:27:09,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09" (1/1) ... [2019-11-21 11:27:09,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09" (1/1) ... [2019-11-21 11:27:09,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09" (1/1) ... [2019-11-21 11:27:09,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09" (1/1) ... [2019-11-21 11:27:09,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09" (1/1) ... [2019-11-21 11:27:09,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09" (1/1) ... [2019-11-21 11:27:09,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09" (1/1) ... [2019-11-21 11:27:09,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:27:09,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:27:09,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:27:09,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:27:09,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:27:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:27:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:27:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:27:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:27:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:27:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:27:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:27:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:27:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:27:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:27:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:27:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:27:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:27:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:27:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:27:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:27:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:27:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:27:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:27:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:27:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:27:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:27:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:27:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:27:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:27:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:27:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:27:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:27:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:27:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:27:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:27:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:27:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:27:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-11-21 11:27:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-11-21 11:27:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-11-21 11:27:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-11-21 11:27:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:27:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:27:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:27:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:27:09,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:27:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:27:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:27:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:27:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:27:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:27:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:27:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:27:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:27:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:27:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:27:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:27:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:27:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:27:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:27:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:27:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:27:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:27:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:27:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:27:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:27:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:27:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:27:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:27:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:27:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:27:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:27:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:27:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:27:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:27:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:27:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:27:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:27:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:27:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:27:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:27:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:27:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:27:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:27:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:27:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:27:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:27:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:27:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:27:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:27:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:27:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:27:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:27:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:27:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:27:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:27:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:27:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:27:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:27:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:27:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:27:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:27:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:27:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:27:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:27:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:27:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:27:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:27:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:27:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:27:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:27:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:27:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:27:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:27:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:27:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:27:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:27:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:27:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:27:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:27:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:27:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:27:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:27:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:27:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:27:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:27:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:27:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:27:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:27:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:27:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:27:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:27:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:27:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:27:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:27:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:27:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:27:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:27:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:27:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:27:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:27:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:27:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:27:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:27:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:27:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:27:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:27:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:27:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:27:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:27:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:27:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:27:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:27:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:27:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:27:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:27:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-11-21 11:27:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-11-21 11:27:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-11-21 11:27:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-11-21 11:27:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:27:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:27:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:27:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:27:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:27:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:27:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:27:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:27:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:27:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:27:10,102 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:27:10,521 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:27:10,964 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:27:10,965 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:27:10,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:27:10 BoogieIcfgContainer [2019-11-21 11:27:10,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:27:10,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:27:10,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:27:10,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:27:10,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:27:08" (1/3) ... [2019-11-21 11:27:10,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc4d497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:27:10, skipping insertion in model container [2019-11-21 11:27:10,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:09" (2/3) ... [2019-11-21 11:27:10,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc4d497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:27:10, skipping insertion in model container [2019-11-21 11:27:10,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:27:10" (3/3) ... [2019-11-21 11:27:10,978 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test6_3.i [2019-11-21 11:27:10,988 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:27:10,998 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 78 error locations. [2019-11-21 11:27:11,009 INFO L249 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2019-11-21 11:27:11,033 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:27:11,033 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:27:11,034 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:27:11,040 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:27:11,040 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:27:11,040 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:27:11,041 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:27:11,042 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:27:11,068 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2019-11-21 11:27:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:27:11,080 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:27:11,082 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 11:27:11,083 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:27:11,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:27:11,091 INFO L82 PathProgramCache]: Analyzing trace with hash -989097340, now seen corresponding path program 1 times [2019-11-21 11:27:11,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:27:11,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [293693913] [2019-11-21 11:27:11,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:27:11,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:27:11,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:27:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:11,516 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:27:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:11,626 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [293693913] [2019-11-21 11:27:11,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:27:11,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:27:11,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035047890] [2019-11-21 11:27:11,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:27:11,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:27:11,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:27:11,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:27:11,651 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 5 states. [2019-11-21 11:27:11,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:27:11,742 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2019-11-21 11:27:11,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:27:11,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-21 11:27:11,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:27:11,757 INFO L225 Difference]: With dead ends: 76 [2019-11-21 11:27:11,757 INFO L226 Difference]: Without dead ends: 73 [2019-11-21 11:27:11,759 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:27:11,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-21 11:27:11,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 56. [2019-11-21 11:27:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-21 11:27:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2019-11-21 11:27:11,815 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 20 [2019-11-21 11:27:11,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:27:11,816 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2019-11-21 11:27:11,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:27:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2019-11-21 11:27:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:27:11,817 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:27:11,817 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 11:27:12,020 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:12,021 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:27:12,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:27:12,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1185610845, now seen corresponding path program 1 times [2019-11-21 11:27:12,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:27:12,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1960962951] [2019-11-21 11:27:12,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:27:12,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 11:27:12,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:27:12,398 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-21 11:27:12,399 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-11-21 11:27:12,399 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:12,433 INFO L567 ElimStorePlain]: treesize reduction 10, result has 69.7 percent of original size [2019-11-21 11:27:12,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:12,438 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:27:12,439 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:23 [2019-11-21 11:27:12,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:12,478 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-21 11:27:12,479 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:12,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:12,482 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:27:12,483 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-11-21 11:27:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:12,497 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:27:12,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:12,571 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2019-11-21 11:27:12,572 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:12,577 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:12,578 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:27:12,578 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:12 [2019-11-21 11:27:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:12,600 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1960962951] [2019-11-21 11:27:12,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:27:12,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-21 11:27:12,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760363966] [2019-11-21 11:27:12,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:27:12,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:27:12,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:27:12,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:27:12,603 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 5 states. [2019-11-21 11:27:12,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:27:12,820 INFO L93 Difference]: Finished difference Result 92 states and 102 transitions. [2019-11-21 11:27:12,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:27:12,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-21 11:27:12,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:27:12,822 INFO L225 Difference]: With dead ends: 92 [2019-11-21 11:27:12,822 INFO L226 Difference]: Without dead ends: 89 [2019-11-21 11:27:12,824 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:27:12,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-21 11:27:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2019-11-21 11:27:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-21 11:27:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 93 transitions. [2019-11-21 11:27:12,836 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 93 transitions. Word has length 20 [2019-11-21 11:27:12,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:27:12,836 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 93 transitions. [2019-11-21 11:27:12,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:27:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2019-11-21 11:27:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:27:12,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:27:12,839 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 11:27:13,050 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:13,050 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:27:13,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:27:13,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1185610844, now seen corresponding path program 1 times [2019-11-21 11:27:13,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:27:13,052 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [842302413] [2019-11-21 11:27:13,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:27:13,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 11:27:13,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:27:13,342 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:13,343 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-21 11:27:13,343 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:13,374 INFO L567 ElimStorePlain]: treesize reduction 10, result has 64.3 percent of original size [2019-11-21 11:27:13,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:27:13,376 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-11-21 11:27:13,399 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-21 11:27:13,400 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:13,408 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:13,408 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:27:13,409 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2019-11-21 11:27:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:13,441 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:27:13,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-21 11:27:13,614 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2019-11-21 11:27:13,615 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:27:13,646 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:13,647 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:27:13,648 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:32 [2019-11-21 11:27:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:13,710 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [842302413] [2019-11-21 11:27:13,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:27:13,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-21 11:27:13,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224488379] [2019-11-21 11:27:13,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 11:27:13,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:27:13,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 11:27:13,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:27:13,712 INFO L87 Difference]: Start difference. First operand 79 states and 93 transitions. Second operand 6 states. [2019-11-21 11:27:13,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:27:13,946 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2019-11-21 11:27:13,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:27:13,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-11-21 11:27:13,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:27:13,949 INFO L225 Difference]: With dead ends: 110 [2019-11-21 11:27:13,949 INFO L226 Difference]: Without dead ends: 100 [2019-11-21 11:27:13,949 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-21 11:27:13,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-21 11:27:13,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2019-11-21 11:27:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-21 11:27:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-11-21 11:27:13,959 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 20 [2019-11-21 11:27:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:27:13,960 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-11-21 11:27:13,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 11:27:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-11-21 11:27:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:27:13,961 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:27:13,961 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:27:14,165 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:14,166 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:27:14,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:27:14,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1700031224, now seen corresponding path program 1 times [2019-11-21 11:27:14,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:27:14,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1915173328] [2019-11-21 11:27:14,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:27:14,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:27:14,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:27:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:14,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:27:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:14,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1915173328] [2019-11-21 11:27:14,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:27:14,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 11:27:14,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461747444] [2019-11-21 11:27:14,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:27:14,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:27:14,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:27:14,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:27:14,457 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 5 states. [2019-11-21 11:27:14,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:27:14,482 INFO L93 Difference]: Finished difference Result 89 states and 101 transitions. [2019-11-21 11:27:14,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:27:14,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-21 11:27:14,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:27:14,486 INFO L225 Difference]: With dead ends: 89 [2019-11-21 11:27:14,486 INFO L226 Difference]: Without dead ends: 89 [2019-11-21 11:27:14,486 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:27:14,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-21 11:27:14,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-11-21 11:27:14,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-21 11:27:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 101 transitions. [2019-11-21 11:27:14,498 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 101 transitions. Word has length 22 [2019-11-21 11:27:14,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:27:14,498 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 101 transitions. [2019-11-21 11:27:14,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:27:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2019-11-21 11:27:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-21 11:27:14,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:27:14,499 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:27:14,707 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:14,707 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:27:14,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:27:14,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1161359959, now seen corresponding path program 1 times [2019-11-21 11:27:14,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:27:14,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [665180562] [2019-11-21 11:27:14,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:27:14,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 11:27:14,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:27:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:15,065 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:27:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:15,147 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [665180562] [2019-11-21 11:27:15,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:27:15,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-21 11:27:15,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132567158] [2019-11-21 11:27:15,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 11:27:15,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:27:15,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 11:27:15,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:27:15,149 INFO L87 Difference]: Start difference. First operand 89 states and 101 transitions. Second operand 9 states. [2019-11-21 11:27:15,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:27:15,335 INFO L93 Difference]: Finished difference Result 88 states and 99 transitions. [2019-11-21 11:27:15,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:27:15,337 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-11-21 11:27:15,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:27:15,339 INFO L225 Difference]: With dead ends: 88 [2019-11-21 11:27:15,339 INFO L226 Difference]: Without dead ends: 88 [2019-11-21 11:27:15,339 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:27:15,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-21 11:27:15,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-11-21 11:27:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-21 11:27:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2019-11-21 11:27:15,355 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 23 [2019-11-21 11:27:15,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:27:15,355 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2019-11-21 11:27:15,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 11:27:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2019-11-21 11:27:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 11:27:15,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:27:15,356 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 11:27:15,557 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:15,557 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:27:15,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:27:15,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1642419926, now seen corresponding path program 1 times [2019-11-21 11:27:15,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:27:15,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1211462870] [2019-11-21 11:27:15,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:27:15,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:27:15,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:27:15,833 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 11:27:15,834 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:15,836 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:15,836 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:27:15,836 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 11:27:15,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:15,873 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:27:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:15,916 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1211462870] [2019-11-21 11:27:15,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:27:15,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2019-11-21 11:27:15,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797342051] [2019-11-21 11:27:15,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 11:27:15,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:27:15,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 11:27:15,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:27:15,918 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand 6 states. [2019-11-21 11:27:16,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:27:16,091 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2019-11-21 11:27:16,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:27:16,092 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-21 11:27:16,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:27:16,094 INFO L225 Difference]: With dead ends: 91 [2019-11-21 11:27:16,094 INFO L226 Difference]: Without dead ends: 91 [2019-11-21 11:27:16,095 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:27:16,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-21 11:27:16,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2019-11-21 11:27:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-21 11:27:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-11-21 11:27:16,102 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 24 [2019-11-21 11:27:16,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:27:16,103 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-11-21 11:27:16,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 11:27:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-11-21 11:27:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 11:27:16,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:27:16,104 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 11:27:16,314 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:16,315 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:27:16,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:27:16,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2146988745, now seen corresponding path program 1 times [2019-11-21 11:27:16,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:27:16,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [241216285] [2019-11-21 11:27:16,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:27:16,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:27:16,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:27:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:16,605 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:27:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:16,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [241216285] [2019-11-21 11:27:16,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:27:16,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 11:27:16,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872829874] [2019-11-21 11:27:16,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 11:27:16,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:27:16,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 11:27:16,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:27:16,631 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 6 states. [2019-11-21 11:27:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:27:16,671 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2019-11-21 11:27:16,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:27:16,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-21 11:27:16,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:27:16,674 INFO L225 Difference]: With dead ends: 78 [2019-11-21 11:27:16,674 INFO L226 Difference]: Without dead ends: 77 [2019-11-21 11:27:16,674 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-21 11:27:16,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-21 11:27:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-11-21 11:27:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-21 11:27:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2019-11-21 11:27:16,680 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 24 [2019-11-21 11:27:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:27:16,680 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2019-11-21 11:27:16,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 11:27:16,681 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2019-11-21 11:27:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-21 11:27:16,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:27:16,682 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:27:16,892 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:16,893 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:27:16,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:27:16,894 INFO L82 PathProgramCache]: Analyzing trace with hash -514884290, now seen corresponding path program 1 times [2019-11-21 11:27:16,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:27:16,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [338136309] [2019-11-21 11:27:16,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:27:17,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-21 11:27:17,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:27:17,288 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-21 11:27:17,289 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-11-21 11:27:17,289 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:17,315 INFO L567 ElimStorePlain]: treesize reduction 10, result has 69.7 percent of original size [2019-11-21 11:27:17,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:17,318 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:27:17,318 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:23 [2019-11-21 11:27:17,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:17,424 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:17,424 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-21 11:27:17,425 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:17,443 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-21 11:27:17,444 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:27:17,444 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-21 11:27:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:17,625 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:27:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:19,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [338136309] [2019-11-21 11:27:19,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:27:19,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13 [2019-11-21 11:27:19,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335194184] [2019-11-21 11:27:19,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-21 11:27:19,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:27:19,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-21 11:27:19,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-11-21 11:27:19,973 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand 14 states. [2019-11-21 11:27:20,521 WARN L192 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-11-21 11:27:21,042 WARN L192 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-11-21 11:27:21,470 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-11-21 11:27:28,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:27:28,212 INFO L93 Difference]: Finished difference Result 80 states and 82 transitions. [2019-11-21 11:27:28,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 11:27:28,213 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2019-11-21 11:27:28,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:27:28,214 INFO L225 Difference]: With dead ends: 80 [2019-11-21 11:27:28,214 INFO L226 Difference]: Without dead ends: 80 [2019-11-21 11:27:28,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 38 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2019-11-21 11:27:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-11-21 11:27:28,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 74. [2019-11-21 11:27:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-21 11:27:28,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2019-11-21 11:27:28,222 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 28 [2019-11-21 11:27:28,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:27:28,223 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2019-11-21 11:27:28,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-21 11:27:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2019-11-21 11:27:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-21 11:27:28,224 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:27:28,224 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:27:28,425 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:28,426 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:27:28,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:27:28,427 INFO L82 PathProgramCache]: Analyzing trace with hash -514884289, now seen corresponding path program 1 times [2019-11-21 11:27:28,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:27:28,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1958386725] [2019-11-21 11:27:28,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:27:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:27:28,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-21 11:27:28,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:27:28,729 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:28,730 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-21 11:27:28,730 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:28,774 INFO L567 ElimStorePlain]: treesize reduction 10, result has 75.0 percent of original size [2019-11-21 11:27:28,875 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-21 11:27:28,876 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-11-21 11:27:28,876 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:28,942 INFO L567 ElimStorePlain]: treesize reduction 10, result has 80.0 percent of original size [2019-11-21 11:27:28,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:28,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:28,945 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:27:28,946 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:40 [2019-11-21 11:27:28,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:28,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:28,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:28,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:28,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:28,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:29,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:29,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:29,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:29,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:29,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:29,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:29,184 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2019-11-21 11:27:31,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:31,346 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:31,347 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2019-11-21 11:27:31,348 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:31,386 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:31,387 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 36 [2019-11-21 11:27:31,387 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:31,448 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:31,449 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 52 [2019-11-21 11:27:31,449 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:31,513 INFO L567 ElimStorePlain]: treesize reduction 57, result has 26.9 percent of original size [2019-11-21 11:27:31,520 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-21 11:27:31,520 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-21 11:27:31,536 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:27:31,537 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:27:31,537 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:103, output treesize:11 [2019-11-21 11:27:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:31,675 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:27:31,815 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:33,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:33,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:33,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:33,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:33,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:33,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:27:33,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:33,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:35,043 WARN L192 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 11:27:35,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:27:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:27:35,772 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1958386725] [2019-11-21 11:27:35,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:27:35,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2019-11-21 11:27:35,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882464940] [2019-11-21 11:27:35,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-21 11:27:35,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:27:35,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-21 11:27:35,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=169, Unknown=2, NotChecked=0, Total=210 [2019-11-21 11:27:35,774 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand 15 states. [2019-11-21 11:27:38,798 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-11-21 11:27:49,305 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-11-21 11:27:55,644 WARN L192 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 67 [2019-11-21 11:28:00,090 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-11-21 11:28:02,269 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-11-21 11:28:34,256 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_prenex_5 (_ BitVec 32)) (v_ldv_malloc_~size_41 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| v_prenex_5))) (bvsle (bvadd |c_~#a6~0.offset| (_ bv8 32)) (select (store |c_#length| v_prenex_5 v_ldv_malloc_~size_41) |c_~#a6~0.base|)))) (or (bvsle |c_~#a6~0.offset| (bvadd |c_~#a6~0.offset| (_ bv8 32))) (forall ((v_prenex_6 (_ BitVec 32))) (not (= (select |c_#valid| v_prenex_6) (_ bv0 1))))) (or (bvsle (_ bv0 32) |c_~#a6~0.offset|) (forall ((|v_ldv_malloc_#t~malloc12.base_28| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_28|) (_ bv0 1))))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (exists ((v_probe1_6_~a.base_BEFORE_CALL_8 (_ BitVec 32))) (= (bvadd (select |c_#length| v_probe1_6_~a.base_BEFORE_CALL_8) (_ bv4294967288 32)) (_ bv0 32)))) is different from false [2019-11-21 11:28:55,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:28:55,695 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2019-11-21 11:28:55,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-21 11:28:55,696 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2019-11-21 11:28:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:28:55,697 INFO L225 Difference]: With dead ends: 77 [2019-11-21 11:28:55,697 INFO L226 Difference]: Without dead ends: 60 [2019-11-21 11:28:55,697 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 25.9s TimeCoverageRelationStatistics Valid=148, Invalid=499, Unknown=7, NotChecked=48, Total=702 [2019-11-21 11:28:55,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-21 11:28:55,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-11-21 11:28:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-21 11:28:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2019-11-21 11:28:55,702 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 28 [2019-11-21 11:28:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:28:55,702 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2019-11-21 11:28:55,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-21 11:28:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2019-11-21 11:28:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-21 11:28:55,704 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:28:55,704 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:28:55,913 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:28:55,914 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:28:55,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:28:55,915 INFO L82 PathProgramCache]: Analyzing trace with hash -441238595, now seen corresponding path program 1 times [2019-11-21 11:28:55,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:28:55,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [698371201] [2019-11-21 11:28:55,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:28:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:28:56,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-21 11:28:56,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:28:56,302 INFO L343 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-21 11:28:56,303 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-11-21 11:28:56,303 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:28:56,331 INFO L567 ElimStorePlain]: treesize reduction 10, result has 69.7 percent of original size [2019-11-21 11:28:56,332 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:28:56,333 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:28:56,333 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:23 [2019-11-21 11:28:56,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:28:56,346 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-21 11:28:56,346 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:28:56,348 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:28:56,348 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:28:56,348 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-11-21 11:28:56,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:28:56,469 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2019-11-21 11:28:56,470 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:28:56,488 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:28:56,491 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-11-21 11:28:56,492 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 11:28:56,507 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:28:56,508 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-11-21 11:28:56,508 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:16 [2019-11-21 11:28:58,653 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:28:58,654 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-21 11:28:58,655 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:28:58,675 INFO L567 ElimStorePlain]: treesize reduction 18, result has 45.5 percent of original size [2019-11-21 11:28:58,676 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:28:58,676 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:15 [2019-11-21 11:28:58,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:28:58,700 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:29:05,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 11:29:05,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:29:05,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:29:05,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-21 11:29:05,256 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:29:05,257 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 11:29:05,264 INFO L168 Benchmark]: Toolchain (without parser) took 116894.49 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.9 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -269.2 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-11-21 11:29:05,265 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:29:05,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-21 11:29:05,266 INFO L168 Benchmark]: Boogie Preprocessor took 101.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-21 11:29:05,267 INFO L168 Benchmark]: RCFGBuilder took 1609.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.6 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2019-11-21 11:29:05,267 INFO L168 Benchmark]: TraceAbstraction took 114293.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 986.6 MB in the beginning and 1.2 GB in the end (delta: -238.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:29:05,269 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 883.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.93 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 1609.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.6 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 114293.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 986.6 MB in the beginning and 1.2 GB in the end (delta: -238.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...