./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d4704835c9961ab13be7e1d0cce345ed8189178 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 11:39:08,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:39:08,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:39:08,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:39:08,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:39:08,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:39:08,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:39:08,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:39:08,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:39:08,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:39:08,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:39:08,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:39:08,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:39:08,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:39:08,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:39:08,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:39:08,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:39:08,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:39:08,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:39:08,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:39:08,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:39:08,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:39:08,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:39:08,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:39:08,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:39:08,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:39:08,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:39:08,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:39:08,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:39:08,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:39:08,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:39:08,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:39:08,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:39:08,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:39:08,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:39:08,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:39:08,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:39:08,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:39:08,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:39:08,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:39:08,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:39:08,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:39:08,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:39:08,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:39:08,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:39:08,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:39:08,981 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:39:08,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:39:08,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:39:08,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:39:08,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:39:08,982 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:39:08,982 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:39:08,983 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:39:08,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:39:08,983 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:39:08,983 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:08,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:39:08,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:39:08,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:39:08,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:39:08,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:39:08,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:39:08,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:39:08,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:39:08,986 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:39:08,986 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:39:08,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:39:08,987 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 -> 5d4704835c9961ab13be7e1d0cce345ed8189178 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:39:09,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:39:09,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:39:09,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:39:09,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:39:09,344 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:39:09,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2019-11-21 11:39:09,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1916d4b75/6cdf148adb534107a3092f4efa0f6337/FLAG75042a8ed [2019-11-21 11:39:09,924 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:39:09,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2019-11-21 11:39:09,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1916d4b75/6cdf148adb534107a3092f4efa0f6337/FLAG75042a8ed [2019-11-21 11:39:10,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1916d4b75/6cdf148adb534107a3092f4efa0f6337 [2019-11-21 11:39:10,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:39:10,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:39:10,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:39:10,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:39:10,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:39:10,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:39:10" (1/1) ... [2019-11-21 11:39:10,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de1b4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:10, skipping insertion in model container [2019-11-21 11:39:10,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:39:10" (1/1) ... [2019-11-21 11:39:10,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:39:10,264 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:39:10,706 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:39:10,707 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:39:10,707 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:10,735 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:39:10,735 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:39:10,736 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:10,741 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:39:10,742 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:39:10,742 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:10,747 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:39:10,747 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:39:10,748 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:10,784 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:39:10,785 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:39:10,785 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:10,795 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:39:10,795 INFO L969 CHandler]: at location: C: (struct A20*)ldv_malloc(sizeof(struct A20)) [773] [2019-11-21 11:39:10,796 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:10,799 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:39:10,799 INFO L969 CHandler]: at location: C: (struct A20 *)( (char *)__mptr - ((size_t) &((struct A20 *)0)->dev) ) [781] [2019-11-21 11:39:10,800 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:39:10,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:39:10,824 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:39:10,831 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:39:10,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:39:10,889 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:39:10,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:39:11,048 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:39:11,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11 WrapperNode [2019-11-21 11:39:11,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:39:11,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:39:11,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:39:11,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:39:11,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11" (1/1) ... [2019-11-21 11:39:11,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11" (1/1) ... [2019-11-21 11:39:11,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11" (1/1) ... [2019-11-21 11:39:11,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11" (1/1) ... [2019-11-21 11:39:11,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11" (1/1) ... [2019-11-21 11:39:11,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11" (1/1) ... [2019-11-21 11:39:11,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11" (1/1) ... [2019-11-21 11:39:11,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:39:11,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:39:11,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:39:11,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:39:11,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:39:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:39:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:39:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:39:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:39:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:39:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:39:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:39:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:39:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:39:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:39:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:39:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:39:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:39:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:39:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:39:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:39:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:39:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:39:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:39:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:39:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:39:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:39:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:39:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:39:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:39:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:39:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:39:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:39:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:39:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:39:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:39:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:39:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:39:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:39:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:39:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:39:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:39:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:39:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:39:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:39:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:39:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2019-11-21 11:39:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2019-11-21 11:39:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2019-11-21 11:39:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2019-11-21 11:39:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure free_20 [2019-11-21 11:39:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:39:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:39:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:39:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:39:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:39:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:39:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:39:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:39:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:39:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:39:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:39:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:39:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:39:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:39:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:39:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:39:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:39:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:39:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:39:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:39:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:39:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:39:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:39:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:39:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:39:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:39:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:39:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:39:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:39:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:39:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:39:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:39:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:39:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:39:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:39:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:39:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:39:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:39:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:39:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:39:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:39:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:39:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:39:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:39:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:39:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:39:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:39:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:39:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:39:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:39:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:39:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:39:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:39:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:39:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:39:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:39:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:39:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:39:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:39:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:39:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:39:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:39:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:39:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:39:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:39:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:39:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:39:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:39:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:39:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:39:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:39:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:39:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:39:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:39:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:39:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:39:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:39:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:39:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:39:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:39:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:39:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:39:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:39:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:39:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:39:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:39:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:39:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:39:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:39:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:39:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:39:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:39:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:39:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:39:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:39:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:39:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:39:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:39:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:39:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:39:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:39:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:39:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:39:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:39:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:39:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:39:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:39:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:39:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:39:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:39:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:39:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:39:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:39:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:39:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:39:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:39:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:39:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:39:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:39:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:39:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:39:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:39:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:39:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:39:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:39:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:39:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:39:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:39:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:39:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:39:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:39:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:39:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:39:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:39:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:39:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:39:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:39:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:39:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:39:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:39:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:39:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:39:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:39:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:39:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:39:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:39:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:39:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:39:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:39:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:39:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:39:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2019-11-21 11:39:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2019-11-21 11:39:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2019-11-21 11:39:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2019-11-21 11:39:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure free_20 [2019-11-21 11:39:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:39:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:39:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:39:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:39:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:39:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:39:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:39:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:39:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:39:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:39:11,920 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:39:12,343 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:39:12,717 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:39:12,717 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:39:12,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:39:12 BoogieIcfgContainer [2019-11-21 11:39:12,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:39:12,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:39:12,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:39:12,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:39:12,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:39:10" (1/3) ... [2019-11-21 11:39:12,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e52fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:39:12, skipping insertion in model container [2019-11-21 11:39:12,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:11" (2/3) ... [2019-11-21 11:39:12,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e52fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:39:12, skipping insertion in model container [2019-11-21 11:39:12,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:39:12" (3/3) ... [2019-11-21 11:39:12,729 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test20-2.i [2019-11-21 11:39:12,741 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:39:12,751 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-21 11:39:12,764 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-21 11:39:12,795 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:39:12,795 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:39:12,795 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:39:12,796 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:39:12,796 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:39:12,796 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:39:12,796 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:39:12,796 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:39:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-11-21 11:39:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 11:39:12,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:12,843 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 11:39:12,844 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:39:12,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:12,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1730189716, now seen corresponding path program 1 times [2019-11-21 11:39:12,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:12,866 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [752752232] [2019-11-21 11:39:12,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:13,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:39:13,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:13,284 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:13,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [752752232] [2019-11-21 11:39:13,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:13,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:39:13,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139599394] [2019-11-21 11:39:13,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:39:13,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:13,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:39:13,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:39:13,409 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 5 states. [2019-11-21 11:39:13,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:13,452 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2019-11-21 11:39:13,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:39:13,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-21 11:39:13,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:13,466 INFO L225 Difference]: With dead ends: 50 [2019-11-21 11:39:13,467 INFO L226 Difference]: Without dead ends: 47 [2019-11-21 11:39:13,469 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:39:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-21 11:39:13,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2019-11-21 11:39:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-21 11:39:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2019-11-21 11:39:13,513 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 24 [2019-11-21 11:39:13,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:13,513 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2019-11-21 11:39:13,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:39:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2019-11-21 11:39:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 11:39:13,515 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:13,515 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 11:39:13,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:13,721 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:39:13,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:13,722 INFO L82 PathProgramCache]: Analyzing trace with hash -222637907, now seen corresponding path program 1 times [2019-11-21 11:39:13,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:13,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [477652417] [2019-11-21 11:39:13,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:14,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-21 11:39:14,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:14,154 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:14,337 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [477652417] [2019-11-21 11:39:14,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:14,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-11-21 11:39:14,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632904390] [2019-11-21 11:39:14,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 11:39:14,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:14,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 11:39:14,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:39:14,341 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 9 states. [2019-11-21 11:39:14,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:14,815 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-11-21 11:39:14,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 11:39:14,816 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-21 11:39:14,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:14,818 INFO L225 Difference]: With dead ends: 60 [2019-11-21 11:39:14,818 INFO L226 Difference]: Without dead ends: 60 [2019-11-21 11:39:14,820 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-11-21 11:39:14,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-21 11:39:14,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2019-11-21 11:39:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-21 11:39:14,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2019-11-21 11:39:14,835 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 24 [2019-11-21 11:39:14,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:14,835 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2019-11-21 11:39:14,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 11:39:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2019-11-21 11:39:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-21 11:39:14,837 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:14,837 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:39:15,041 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:15,041 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:39:15,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:15,042 INFO L82 PathProgramCache]: Analyzing trace with hash 754099497, now seen corresponding path program 1 times [2019-11-21 11:39:15,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:15,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1167440434] [2019-11-21 11:39:15,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:15,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-21 11:39:15,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:15,375 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:15,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1167440434] [2019-11-21 11:39:15,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:15,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 12 [2019-11-21 11:39:15,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562105160] [2019-11-21 11:39:15,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-21 11:39:15,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:15,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-21 11:39:15,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-21 11:39:15,638 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 13 states. [2019-11-21 11:39:15,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:15,824 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-11-21 11:39:15,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-21 11:39:15,825 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2019-11-21 11:39:15,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:15,826 INFO L225 Difference]: With dead ends: 55 [2019-11-21 11:39:15,826 INFO L226 Difference]: Without dead ends: 55 [2019-11-21 11:39:15,828 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2019-11-21 11:39:15,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-21 11:39:15,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2019-11-21 11:39:15,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-21 11:39:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2019-11-21 11:39:15,840 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 28 [2019-11-21 11:39:15,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:15,840 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2019-11-21 11:39:15,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-21 11:39:15,841 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2019-11-21 11:39:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-21 11:39:15,843 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:15,843 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 11:39:16,050 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:16,051 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:39:16,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:16,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1902248320, now seen corresponding path program 1 times [2019-11-21 11:39:16,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:16,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [424566527] [2019-11-21 11:39:16,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:16,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-21 11:39:16,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:16,543 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:16,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [424566527] [2019-11-21 11:39:16,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:16,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 20 [2019-11-21 11:39:16,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712810902] [2019-11-21 11:39:16,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-21 11:39:16,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:16,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-21 11:39:16,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2019-11-21 11:39:16,967 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 21 states. [2019-11-21 11:39:17,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:17,752 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-11-21 11:39:17,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-21 11:39:17,752 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 29 [2019-11-21 11:39:17,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:17,754 INFO L225 Difference]: With dead ends: 53 [2019-11-21 11:39:17,754 INFO L226 Difference]: Without dead ends: 53 [2019-11-21 11:39:17,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=589, Unknown=0, NotChecked=0, Total=702 [2019-11-21 11:39:17,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-21 11:39:17,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-21 11:39:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-21 11:39:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2019-11-21 11:39:17,761 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 29 [2019-11-21 11:39:17,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:17,762 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2019-11-21 11:39:17,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-21 11:39:17,762 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-11-21 11:39:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-21 11:39:17,763 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:17,763 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:39:17,964 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:17,965 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:39:17,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:17,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1159843829, now seen corresponding path program 1 times [2019-11-21 11:39:17,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:17,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [910867545] [2019-11-21 11:39:17,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:18,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-21 11:39:18,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:18,248 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 11:39:18,248 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:39:18,251 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:39:18,251 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:39:18,252 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 11:39:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:18,391 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:18,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [910867545] [2019-11-21 11:39:18,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:18,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 13 [2019-11-21 11:39:18,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845800863] [2019-11-21 11:39:18,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-21 11:39:18,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:18,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-21 11:39:18,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2019-11-21 11:39:18,668 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 14 states. [2019-11-21 11:39:19,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:19,239 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2019-11-21 11:39:19,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-21 11:39:19,239 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2019-11-21 11:39:19,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:19,242 INFO L225 Difference]: With dead ends: 71 [2019-11-21 11:39:19,242 INFO L226 Difference]: Without dead ends: 71 [2019-11-21 11:39:19,242 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2019-11-21 11:39:19,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-21 11:39:19,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 66. [2019-11-21 11:39:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-21 11:39:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2019-11-21 11:39:19,251 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 30 [2019-11-21 11:39:19,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:19,251 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2019-11-21 11:39:19,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-21 11:39:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2019-11-21 11:39:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-21 11:39:19,253 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:19,254 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:39:19,456 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:19,460 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:39:19,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:19,460 INFO L82 PathProgramCache]: Analyzing trace with hash -948492916, now seen corresponding path program 1 times [2019-11-21 11:39:19,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:19,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1279400708] [2019-11-21 11:39:19,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:19,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-21 11:39:19,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:19,824 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:19,977 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1279400708] [2019-11-21 11:39:19,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:19,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 12 [2019-11-21 11:39:19,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926291533] [2019-11-21 11:39:19,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-21 11:39:19,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:19,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-21 11:39:19,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-21 11:39:19,979 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 13 states. [2019-11-21 11:39:20,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:20,241 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-11-21 11:39:20,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-21 11:39:20,241 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2019-11-21 11:39:20,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:20,244 INFO L225 Difference]: With dead ends: 71 [2019-11-21 11:39:20,244 INFO L226 Difference]: Without dead ends: 71 [2019-11-21 11:39:20,244 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2019-11-21 11:39:20,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-21 11:39:20,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 52. [2019-11-21 11:39:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-21 11:39:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2019-11-21 11:39:20,251 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 30 [2019-11-21 11:39:20,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:20,251 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2019-11-21 11:39:20,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-21 11:39:20,251 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-11-21 11:39:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-21 11:39:20,252 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:20,252 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 11:39:20,454 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:20,456 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:39:20,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:20,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1740369313, now seen corresponding path program 1 times [2019-11-21 11:39:20,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:20,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [459896882] [2019-11-21 11:39:20,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:20,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 11:39:20,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:20,702 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:20,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:20,844 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [459896882] [2019-11-21 11:39:20,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:39:20,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 11:39:20,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655102469] [2019-11-21 11:39:20,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 11:39:20,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:39:20,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 11:39:20,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:39:20,849 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 3 states. [2019-11-21 11:39:20,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:39:20,894 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-11-21 11:39:20,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 11:39:20,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-21 11:39:20,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:39:20,896 INFO L225 Difference]: With dead ends: 60 [2019-11-21 11:39:20,896 INFO L226 Difference]: Without dead ends: 45 [2019-11-21 11:39:20,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:39:20,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-21 11:39:20,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2019-11-21 11:39:20,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-21 11:39:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2019-11-21 11:39:20,900 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 29 [2019-11-21 11:39:20,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:39:20,901 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2019-11-21 11:39:20,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 11:39:20,901 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2019-11-21 11:39:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-21 11:39:20,902 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:39:20,902 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:39:21,102 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:21,103 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:39:21,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:39:21,104 INFO L82 PathProgramCache]: Analyzing trace with hash -789955704, now seen corresponding path program 1 times [2019-11-21 11:39:21,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:39:21,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1587674370] [2019-11-21 11:39:21,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:39:21,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-21 11:39:21,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:39:21,447 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:39:21,448 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 11:39:21,449 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:39:21,464 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 11:39:21,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:21,468 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:39:21,469 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 11:39:21,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:21,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:21,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:21,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:21,570 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 11:39:21,570 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:39:21,572 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:39:21,573 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:39:21,573 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2019-11-21 11:39:21,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:39:21,653 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 11:39:21,653 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:39:21,655 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:39:21,655 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:39:21,655 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-11-21 11:39:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:39:33,832 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:39:40,544 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:39:40,545 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 11:39:40,552 INFO L168 Benchmark]: Toolchain (without parser) took 30375.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 296.7 MB). Free memory was 949.6 MB in the beginning and 977.5 MB in the end (delta: -27.9 MB). Peak memory consumption was 268.9 MB. Max. memory is 11.5 GB. [2019-11-21 11:39:40,553 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:39:40,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -116.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-21 11:39:40,554 INFO L168 Benchmark]: Boogie Preprocessor took 105.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-21 11:39:40,555 INFO L168 Benchmark]: RCFGBuilder took 1562.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 951.6 MB in the end (delta: 108.0 MB). Peak memory consumption was 108.0 MB. Max. memory is 11.5 GB. [2019-11-21 11:39:40,556 INFO L168 Benchmark]: TraceAbstraction took 27830.80 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 951.6 MB in the beginning and 977.5 MB in the end (delta: -25.9 MB). Peak memory consumption was 157.0 MB. Max. memory is 11.5 GB. [2019-11-21 11:39:40,562 INFO L335 ainManager$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 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 871.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -116.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1562.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 951.6 MB in the end (delta: 108.0 MB). Peak memory consumption was 108.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27830.80 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 951.6 MB in the beginning and 977.5 MB in the end (delta: -25.9 MB). Peak memory consumption was 157.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...