./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e53864a130ec49c3d57a4174d0d837947e0a75e0 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 13:13:46,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 13:13:46,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 13:13:46,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 13:13:46,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 13:13:46,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 13:13:46,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 13:13:46,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 13:13:46,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 13:13:46,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 13:13:46,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 13:13:46,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 13:13:46,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 13:13:46,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 13:13:46,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 13:13:46,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 13:13:46,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 13:13:46,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 13:13:47,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 13:13:47,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 13:13:47,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 13:13:47,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 13:13:47,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 13:13:47,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 13:13:47,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 13:13:47,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 13:13:47,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 13:13:47,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 13:13:47,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 13:13:47,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 13:13:47,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 13:13:47,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 13:13:47,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 13:13:47,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 13:13:47,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 13:13:47,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 13:13:47,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 13:13:47,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 13:13:47,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 13:13:47,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 13:13:47,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 13:13:47,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-21 13:13:47,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 13:13:47,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 13:13:47,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 13:13:47,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 13:13:47,082 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 13:13:47,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 13:13:47,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-21 13:13:47,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 13:13:47,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 13:13:47,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-21 13:13:47,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 13:13:47,085 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 13:13:47,085 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 13:13:47,087 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 13:13:47,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 13:13:47,087 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 13:13:47,088 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:47,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-21 13:13:47,089 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 13:13:47,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 13:13:47,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 13:13:47,090 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 13:13:47,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 13:13:47,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 13:13:47,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 13:13:47,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 13:13:47,094 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 13:13:47,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 13:13:47,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 13:13:47,095 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e53864a130ec49c3d57a4174d0d837947e0a75e0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 13:13:47,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 13:13:47,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 13:13:47,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 13:13:47,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 13:13:47,404 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 13:13:47,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2019-11-21 13:13:47,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eadd082fc/ce62b5e6947548f0b911ba602ff552ce/FLAGe3abe608c [2019-11-21 13:13:48,009 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 13:13:48,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2019-11-21 13:13:48,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eadd082fc/ce62b5e6947548f0b911ba602ff552ce/FLAGe3abe608c [2019-11-21 13:13:48,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eadd082fc/ce62b5e6947548f0b911ba602ff552ce [2019-11-21 13:13:48,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 13:13:48,292 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 13:13:48,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 13:13:48,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 13:13:48,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 13:13:48,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:13:48" (1/1) ... [2019-11-21 13:13:48,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f77c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:48, skipping insertion in model container [2019-11-21 13:13:48,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:13:48" (1/1) ... [2019-11-21 13:13:48,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 13:13:48,363 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 13:13:48,767 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 13:13:48,767 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 13:13:48,768 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,781 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 13:13:48,781 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 13:13:48,782 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,784 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 13:13:48,784 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 13:13:48,785 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,787 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 13:13:48,788 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 13:13:48,788 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,814 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 13:13:48,815 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 13:13:48,815 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,829 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 13:13:48,830 INFO L969 CHandler]: at location: C: (struct Data11*)ldv_malloc(sizeof(struct Data11)) [787] [2019-11-21 13:13:48,830 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,835 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 13:13:48,836 INFO L969 CHandler]: at location: C: (struct Data11*)ldv_i2c_get_clientdata(client) [797] [2019-11-21 13:13:48,836 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,838 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 13:13:48,839 INFO L969 CHandler]: at location: C: (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)) [803] [2019-11-21 13:13:48,839 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,840 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 13:13:48,841 INFO L969 CHandler]: at location: C: (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [805-806] [2019-11-21 13:13:48,843 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,845 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 13:13:48,846 INFO L969 CHandler]: at location: C: (struct ldv_dvb_frontend *) ldv_malloc(sizeof(struct ldv_dvb_frontend)) [809-810] [2019-11-21 13:13:48,847 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 13:13:48,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 13:13:48,883 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 13:13:48,904 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 13:13:48,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 13:13:49,007 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 13:13:49,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 13:13:49,185 INFO L205 MainTranslator]: Completed translation [2019-11-21 13:13:49,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49 WrapperNode [2019-11-21 13:13:49,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 13:13:49,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 13:13:49,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 13:13:49,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 13:13:49,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49" (1/1) ... [2019-11-21 13:13:49,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49" (1/1) ... [2019-11-21 13:13:49,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49" (1/1) ... [2019-11-21 13:13:49,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49" (1/1) ... [2019-11-21 13:13:49,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49" (1/1) ... [2019-11-21 13:13:49,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49" (1/1) ... [2019-11-21 13:13:49,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49" (1/1) ... [2019-11-21 13:13:49,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 13:13:49,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 13:13:49,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 13:13:49,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 13:13:49,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 13:13:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 13:13:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 13:13:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 13:13:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 13:13:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 13:13:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 13:13:49,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 13:13:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 13:13:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 13:13:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 13:13:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 13:13:49,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 13:13:49,374 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 13:13:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 13:13:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 13:13:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 13:13:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 13:13:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 13:13:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 13:13:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 13:13:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 13:13:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 13:13:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 13:13:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 13:13:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 13:13:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 13:13:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 13:13:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 13:13:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 13:13:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 13:13:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 13:13:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 13:13:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 13:13:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 13:13:49,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 13:13:49,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 13:13:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 13:13:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 13:13:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 13:13:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 13:13:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 13:13:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2019-11-21 13:13:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2019-11-21 13:13:49,385 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_11 [2019-11-21 13:13:49,385 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2019-11-21 13:13:49,385 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 13:13:49,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 13:13:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 13:13:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 13:13:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 13:13:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 13:13:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 13:13:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 13:13:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 13:13:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 13:13:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 13:13:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 13:13:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 13:13:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 13:13:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 13:13:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 13:13:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 13:13:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 13:13:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 13:13:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 13:13:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 13:13:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 13:13:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 13:13:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 13:13:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 13:13:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 13:13:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 13:13:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 13:13:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 13:13:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 13:13:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 13:13:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 13:13:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 13:13:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 13:13:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 13:13:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 13:13:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 13:13:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 13:13:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 13:13:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 13:13:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 13:13:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 13:13:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 13:13:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 13:13:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 13:13:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 13:13:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 13:13:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 13:13:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 13:13:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 13:13:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 13:13:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 13:13:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 13:13:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 13:13:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 13:13:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 13:13:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 13:13:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 13:13:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 13:13:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 13:13:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 13:13:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 13:13:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 13:13:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 13:13:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 13:13:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 13:13:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 13:13:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 13:13:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 13:13:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 13:13:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 13:13:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 13:13:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 13:13:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 13:13:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 13:13:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 13:13:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 13:13:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 13:13:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 13:13:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 13:13:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 13:13:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 13:13:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 13:13:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 13:13:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 13:13:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 13:13:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 13:13:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 13:13:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 13:13:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 13:13:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 13:13:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 13:13:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 13:13:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 13:13:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 13:13:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 13:13:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 13:13:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 13:13:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 13:13:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 13:13:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 13:13:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 13:13:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 13:13:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 13:13:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 13:13:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 13:13:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 13:13:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 13:13:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 13:13:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 13:13:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 13:13:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 13:13:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 13:13:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 13:13:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 13:13:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 13:13:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 13:13:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 13:13:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 13:13:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 13:13:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 13:13:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 13:13:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 13:13:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 13:13:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 13:13:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 13:13:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 13:13:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 13:13:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 13:13:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 13:13:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 13:13:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 13:13:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 13:13:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 13:13:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 13:13:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 13:13:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 13:13:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 13:13:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 13:13:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 13:13:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 13:13:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 13:13:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 13:13:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 13:13:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 13:13:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 13:13:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 13:13:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 13:13:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 13:13:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 13:13:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 13:13:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 13:13:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 13:13:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 13:13:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 13:13:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 13:13:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 13:13:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 13:13:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 13:13:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 13:13:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2019-11-21 13:13:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2019-11-21 13:13:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_11 [2019-11-21 13:13:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2019-11-21 13:13:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 13:13:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 13:13:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 13:13:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 13:13:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 13:13:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 13:13:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 13:13:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 13:13:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 13:13:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 13:13:50,171 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 13:13:50,688 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 13:13:51,130 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 13:13:51,131 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 13:13:51,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:13:51 BoogieIcfgContainer [2019-11-21 13:13:51,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 13:13:51,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 13:13:51,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 13:13:51,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 13:13:51,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:13:48" (1/3) ... [2019-11-21 13:13:51,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551744bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:13:51, skipping insertion in model container [2019-11-21 13:13:51,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:49" (2/3) ... [2019-11-21 13:13:51,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551744bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:13:51, skipping insertion in model container [2019-11-21 13:13:51,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:13:51" (3/3) ... [2019-11-21 13:13:51,143 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test11.i [2019-11-21 13:13:51,153 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 13:13:51,164 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 93 error locations. [2019-11-21 13:13:51,176 INFO L249 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2019-11-21 13:13:51,198 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 13:13:51,198 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 13:13:51,198 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 13:13:51,198 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 13:13:51,199 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 13:13:51,199 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 13:13:51,199 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 13:13:51,199 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 13:13:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2019-11-21 13:13:51,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 13:13:51,231 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:13:51,232 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:13:51,233 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, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_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_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_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, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:13:51,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:13:51,240 INFO L82 PathProgramCache]: Analyzing trace with hash -790939563, now seen corresponding path program 1 times [2019-11-21 13:13:51,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:13:51,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1764367475] [2019-11-21 13:13:51,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:13:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:13:51,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 13:13:51,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:13:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:13:51,599 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:13:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:13:51,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1764367475] [2019-11-21 13:13:51,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:13:51,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 13:13:51,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541625935] [2019-11-21 13:13:51,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 13:13:51,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:13:51,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 13:13:51,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:13:51,814 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 5 states. [2019-11-21 13:13:51,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:13:51,929 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2019-11-21 13:13:51,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 13:13:51,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-21 13:13:51,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:13:51,945 INFO L225 Difference]: With dead ends: 146 [2019-11-21 13:13:51,945 INFO L226 Difference]: Without dead ends: 143 [2019-11-21 13:13:51,947 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 13:13:51,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-21 13:13:52,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2019-11-21 13:13:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-21 13:13:52,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2019-11-21 13:13:52,014 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2019-11-21 13:13:52,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:13:52,015 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2019-11-21 13:13:52,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 13:13:52,015 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2019-11-21 13:13:52,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-21 13:13:52,017 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:13:52,018 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:13:52,221 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:13:52,222 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, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_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_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_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, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:13:52,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:13:52,222 INFO L82 PathProgramCache]: Analyzing trace with hash 951870772, now seen corresponding path program 1 times [2019-11-21 13:13:52,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:13:52,223 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1666415232] [2019-11-21 13:13:52,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:13:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:13:52,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 13:13:52,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:13:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:13:52,487 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:13:52,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:13:52,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1666415232] [2019-11-21 13:13:52,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:13:52,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 13:13:52,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198555394] [2019-11-21 13:13:52,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 13:13:52,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:13:52,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 13:13:52,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 13:13:52,560 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand 3 states. [2019-11-21 13:13:52,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:13:52,859 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2019-11-21 13:13:52,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 13:13:52,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-21 13:13:52,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:13:52,863 INFO L225 Difference]: With dead ends: 158 [2019-11-21 13:13:52,863 INFO L226 Difference]: Without dead ends: 155 [2019-11-21 13:13:52,864 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 13:13:52,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-21 13:13:52,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2019-11-21 13:13:52,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-21 13:13:52,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2019-11-21 13:13:52,880 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2019-11-21 13:13:52,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:13:52,880 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2019-11-21 13:13:52,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 13:13:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2019-11-21 13:13:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 13:13:52,882 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:13:52,882 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:13:53,085 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:13:53,086 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, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_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_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_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, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:13:53,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:13:53,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1402024212, now seen corresponding path program 1 times [2019-11-21 13:13:53,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:13:53,087 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [662979416] [2019-11-21 13:13:53,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:13:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:13:53,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 13:13:53,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:13:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:13:53,330 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:13:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:13:53,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [662979416] [2019-11-21 13:13:53,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 13:13:53,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-21 13:13:53,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939580780] [2019-11-21 13:13:53,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 13:13:53,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:13:53,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 13:13:53,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:13:53,369 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand 5 states. [2019-11-21 13:13:53,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:13:53,408 INFO L93 Difference]: Finished difference Result 104 states and 112 transitions. [2019-11-21 13:13:53,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 13:13:53,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-21 13:13:53,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:13:53,413 INFO L225 Difference]: With dead ends: 104 [2019-11-21 13:13:53,413 INFO L226 Difference]: Without dead ends: 104 [2019-11-21 13:13:53,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:13:53,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-21 13:13:53,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-11-21 13:13:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-21 13:13:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 112 transitions. [2019-11-21 13:13:53,434 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 112 transitions. Word has length 21 [2019-11-21 13:13:53,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:13:53,434 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 112 transitions. [2019-11-21 13:13:53,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 13:13:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2019-11-21 13:13:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 13:13:53,435 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:13:53,435 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:13:53,638 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:13:53,638 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, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_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_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_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, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:13:53,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:13:53,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1402024245, now seen corresponding path program 1 times [2019-11-21 13:13:53,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:13:53,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1133458862] [2019-11-21 13:13:53,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:13:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:13:53,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-21 13:13:53,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:13:53,968 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 13:13:53,969 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:13:53,973 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:13:53,974 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:13:53,974 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 13:13:54,085 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:13:54,085 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-21 13:13:54,087 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:13:54,108 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-21 13:13:54,109 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 13:13:54,110 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-21 13:13:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:13:54,148 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:13:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:13:56,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1133458862] [2019-11-21 13:13:56,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 13:13:56,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-21 13:13:56,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950484323] [2019-11-21 13:13:56,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-21 13:13:56,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:13:56,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-21 13:13:56,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-21 13:13:56,519 INFO L87 Difference]: Start difference. First operand 104 states and 112 transitions. Second operand 13 states. [2019-11-21 13:14:34,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:14:34,336 INFO L93 Difference]: Finished difference Result 229 states and 272 transitions. [2019-11-21 13:14:34,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 13:14:34,337 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 21 [2019-11-21 13:14:34,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:14:34,342 INFO L225 Difference]: With dead ends: 229 [2019-11-21 13:14:34,342 INFO L226 Difference]: Without dead ends: 229 [2019-11-21 13:14:34,343 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2019-11-21 13:14:34,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-11-21 13:14:34,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 115. [2019-11-21 13:14:34,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-21 13:14:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2019-11-21 13:14:34,360 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 21 [2019-11-21 13:14:34,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:14:34,360 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2019-11-21 13:14:34,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-21 13:14:34,361 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2019-11-21 13:14:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 13:14:34,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:14:34,362 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:14:34,565 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:14:34,566 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, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_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_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_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, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:14:34,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:14:34,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1402024246, now seen corresponding path program 1 times [2019-11-21 13:14:34,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:14:34,569 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [147450665] [2019-11-21 13:14:34,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:14:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:14:34,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-21 13:14:34,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:14:34,896 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 13:14:34,896 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:14:34,909 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:14:34,913 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 13:14:34,914 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 13:14:34,924 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:14:34,925 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:14:34,925 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-21 13:14:37,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-21 13:14:37,087 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-21 13:14:37,088 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:14:37,104 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:14:37,141 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:14:37,142 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-21 13:14:37,143 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 13:14:37,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:14:37,165 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:14:37,165 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-21 13:14:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:14:37,193 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:14:37,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 13:14:39,504 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:14:39,505 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:14:39,505 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 13:14:39,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 13:14:39,511 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:14:39,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 13:14:39,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-21 13:14:43,280 WARN L192 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-21 13:14:43,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:14:49,034 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-21 13:14:49,043 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 10 treesize of output 8 [2019-11-21 13:14:49,044 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:14:49,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:14:49,061 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-21 13:14:49,061 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-21 13:14:49,074 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:14:49,075 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 13:14:49,075 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-21 13:14:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:14:49,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [147450665] [2019-11-21 13:14:49,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 13:14:49,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-21 13:14:49,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347727368] [2019-11-21 13:14:49,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-21 13:14:49,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:14:49,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-21 13:14:49,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=199, Unknown=4, NotChecked=0, Total=240 [2019-11-21 13:14:49,195 INFO L87 Difference]: Start difference. First operand 115 states and 131 transitions. Second operand 16 states. [2019-11-21 13:15:28,112 WARN L192 SmtUtils]: Spent 18.35 s on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-11-21 13:16:26,667 WARN L192 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 40 DAG size of output: 12 [2019-11-21 13:17:03,481 WARN L192 SmtUtils]: Spent 20.39 s on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2019-11-21 13:17:33,116 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv20 32) (select |c_#length| c_entry_point_~c11~0.base)) (= (_ bv0 32) c_entry_point_~c11~0.offset) (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) (= (bvadd (select |c_#valid| c_entry_point_~c11~0.base) (_ bv1 1)) (_ bv0 1)) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (forall ((v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (not (bvsle (_ bv0 32) v_entry_point_~c11~0.offset_BEFORE_CALL_4)) (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_31 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (not (bvsle v_entry_point_~c11~0.offset_BEFORE_CALL_4 .cse0)) (bvsle .cse0 (select |c_#length| v_entry_point_~c11~0.base_BEFORE_CALL_4)))))) is different from false [2019-11-21 13:17:41,388 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-11-21 13:17:43,439 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) (forall ((v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (not (bvsle (_ bv0 32) v_entry_point_~c11~0.offset_BEFORE_CALL_4)) (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_31 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (not (bvsle v_entry_point_~c11~0.offset_BEFORE_CALL_4 .cse0)) (bvsle .cse0 (select |c_#length| v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (= |c_#valid| |c_old(#valid)|) (= |c_old(#length)| |c_#length|)) is different from false [2019-11-21 13:18:02,454 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 22 [2019-11-21 13:19:02,555 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (bvadd c_entry_point_~c11~0.offset (_ bv4 32)))) (let ((.cse0 (bvsle (_ bv0 32) c_entry_point_~c11~0.offset)) (.cse1 (forall ((|v_ldv_malloc_#t~malloc12.base_27| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_27|) (_ bv0 1))))) (.cse2 (bvsle c_entry_point_~c11~0.offset .cse4))) (and (exists ((v_prenex_1 (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_1))) (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|)) (= (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size) |c_#length|))) .cse0 (or .cse1 .cse2) (forall ((v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse3 (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (not (bvsle (_ bv0 32) v_entry_point_~c11~0.offset_BEFORE_CALL_4)) (exists ((v_prenex_2 (_ BitVec 32)) (v_ldv_malloc_~size_31 (_ BitVec 32))) (and (not (bvsle (bvadd v_entry_point_~c11~0.offset_BEFORE_CALL_4 (_ bv4 32)) (select (store |c_old(#length)| v_prenex_2 v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))) (= (_ bv0 1) (select |c_old(#valid)| v_prenex_2)))) (not (bvsle v_entry_point_~c11~0.offset_BEFORE_CALL_4 .cse3)) (bvsle .cse3 (select |c_#length| v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (= |c_#valid| |c_old(#valid)|) (forall ((v_ldv_malloc_~size_31 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_27| (_ BitVec 32))) (or (bvsle (bvadd c_entry_point_~c11~0.offset (_ bv4 32)) (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_27| v_ldv_malloc_~size_31) c_entry_point_~c11~0.base)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_27|) (_ bv0 1))))) (or .cse0 .cse1) (bvsle .cse4 (select |c_#length| c_entry_point_~c11~0.base)) .cse2 (= |c_old(#length)| |c_#length|)))) is different from false [2019-11-21 13:22:06,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:22:06,302 INFO L93 Difference]: Finished difference Result 300 states and 357 transitions. [2019-11-21 13:22:06,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-21 13:22:06,304 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2019-11-21 13:22:06,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:22:06,307 INFO L225 Difference]: With dead ends: 300 [2019-11-21 13:22:06,307 INFO L226 Difference]: Without dead ends: 300 [2019-11-21 13:22:06,310 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 110.8s TimeCoverageRelationStatistics Valid=108, Invalid=529, Unknown=25, NotChecked=150, Total=812 [2019-11-21 13:22:06,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-11-21 13:22:06,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 115. [2019-11-21 13:22:06,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-21 13:22:06,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2019-11-21 13:22:06,342 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 21 [2019-11-21 13:22:06,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:22:06,345 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2019-11-21 13:22:06,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-21 13:22:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2019-11-21 13:22:06,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 13:22:06,346 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:22:06,346 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:22:06,548 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:22:06,549 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, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_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_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_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, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:22:06,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:22:06,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1108621238, now seen corresponding path program 1 times [2019-11-21 13:22:06,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:22:06,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1503724093] [2019-11-21 13:22:06,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:22:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:22:06,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 13:22:06,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:22:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 13:22:06,827 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:22:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:22:06,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1503724093] [2019-11-21 13:22:06,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-21 13:22:06,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-21 13:22:06,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190060496] [2019-11-21 13:22:06,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 13:22:06,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:22:06,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 13:22:06,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:22:06,873 INFO L87 Difference]: Start difference. First operand 115 states and 130 transitions. Second operand 5 states. [2019-11-21 13:22:06,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:22:06,900 INFO L93 Difference]: Finished difference Result 109 states and 120 transitions. [2019-11-21 13:22:06,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 13:22:06,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-21 13:22:06,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:22:06,902 INFO L225 Difference]: With dead ends: 109 [2019-11-21 13:22:06,902 INFO L226 Difference]: Without dead ends: 107 [2019-11-21 13:22:06,902 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:22:06,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-21 13:22:06,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-21 13:22:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-21 13:22:06,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2019-11-21 13:22:06,910 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 21 [2019-11-21 13:22:06,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:22:06,910 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2019-11-21 13:22:06,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 13:22:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2019-11-21 13:22:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 13:22:06,911 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:22:06,911 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:22:07,111 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:22:07,112 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, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_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_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_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, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:22:07,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:22:07,113 INFO L82 PathProgramCache]: Analyzing trace with hash 513078068, now seen corresponding path program 1 times [2019-11-21 13:22:07,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:22:07,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1698967519] [2019-11-21 13:22:07,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:22:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:22:07,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 13:22:07,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:22:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:22:07,366 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:22:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:22:07,402 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1698967519] [2019-11-21 13:22:07,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 13:22:07,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 13:22:07,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126489717] [2019-11-21 13:22:07,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 13:22:07,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:22:07,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 13:22:07,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:22:07,403 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand 5 states. [2019-11-21 13:22:07,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:22:07,479 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2019-11-21 13:22:07,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 13:22:07,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-21 13:22:07,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:22:07,486 INFO L225 Difference]: With dead ends: 137 [2019-11-21 13:22:07,486 INFO L226 Difference]: Without dead ends: 137 [2019-11-21 13:22:07,486 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 13:22:07,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-21 13:22:07,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 109. [2019-11-21 13:22:07,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-21 13:22:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2019-11-21 13:22:07,494 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 22 [2019-11-21 13:22:07,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:22:07,494 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2019-11-21 13:22:07,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 13:22:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2019-11-21 13:22:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 13:22:07,495 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:22:07,495 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:22:07,704 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:22:07,705 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, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_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_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_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, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:22:07,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:22:07,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1400581749, now seen corresponding path program 1 times [2019-11-21 13:22:07,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:22:07,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1418374562] [2019-11-21 13:22:07,707 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 13:22:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:22:07,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 13:22:07,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:22:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:22:08,054 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:22:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:22:08,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1418374562] [2019-11-21 13:22:08,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-21 13:22:08,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-21 13:22:08,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117018127] [2019-11-21 13:22:08,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 13:22:08,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 13:22:08,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 13:22:08,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 13:22:08,196 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand 9 states. [2019-11-21 13:22:08,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 13:22:08,572 INFO L93 Difference]: Finished difference Result 108 states and 118 transitions. [2019-11-21 13:22:08,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 13:22:08,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-21 13:22:08,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 13:22:08,574 INFO L225 Difference]: With dead ends: 108 [2019-11-21 13:22:08,574 INFO L226 Difference]: Without dead ends: 108 [2019-11-21 13:22:08,575 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 13:22:08,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-21 13:22:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-21 13:22:08,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-21 13:22:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 118 transitions. [2019-11-21 13:22:08,580 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 118 transitions. Word has length 22 [2019-11-21 13:22:08,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 13:22:08,580 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 118 transitions. [2019-11-21 13:22:08,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 13:22:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 118 transitions. [2019-11-21 13:22:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-21 13:22:08,581 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 13:22:08,582 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 13:22:08,784 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:22:08,785 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, alloc_11Err5REQUIRES_VIOLATION, alloc_11Err0REQUIRES_VIOLATION, alloc_11Err1REQUIRES_VIOLATION, alloc_11Err2REQUIRES_VIOLATION, alloc_11Err3REQUIRES_VIOLATION, alloc_11Err4REQUIRES_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_11Err0ASSERT_VIOLATIONMEMORY_FREE, free_11Err1ASSERT_VIOLATIONMEMORY_FREE, free_11Err2ASSERT_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, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 13:22:08,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 13:22:08,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1384375273, now seen corresponding path program 1 times [2019-11-21 13:22:08,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 13:22:08,787 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1249959650] [2019-11-21 13:22:08,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:22:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 13:22:09,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-21 13:22:09,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 13:22:09,063 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 13:22:09,064 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 13:22:09,064 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 13:22:09,083 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 13:22:09,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:22:09,084 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 13:22:09,085 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 13:22:09,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:22:09,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:22:09,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:22:09,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 13:22:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-21 13:22:15,292 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 13:22:19,624 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 13:22:19,626 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 13:22:19,633 INFO L168 Benchmark]: Toolchain (without parser) took 511341.24 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.0 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -237.5 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-21 13:22:19,634 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 13:22:19,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 893.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-21 13:22:19,635 INFO L168 Benchmark]: Boogie Preprocessor took 119.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-21 13:22:19,636 INFO L168 Benchmark]: RCFGBuilder took 1825.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.6 MB in the end (delta: 125.3 MB). Peak memory consumption was 125.3 MB. Max. memory is 11.5 GB. [2019-11-21 13:22:19,637 INFO L168 Benchmark]: TraceAbstraction took 508498.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 152.0 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -232.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 13:22:19,640 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 893.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1825.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.6 MB in the end (delta: 125.3 MB). Peak memory consumption was 125.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 508498.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 152.0 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -232.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...