./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer --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 238bdb5f7d99ba2e1fec6ce0d5e4dc0227502909 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-678e011 [2019-11-20 00:59:48,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:59:48,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:59:48,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:59:48,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:59:48,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:59:48,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:59:48,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:59:48,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:59:48,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:59:48,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:59:48,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:59:48,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:59:48,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:59:48,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:59:48,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:59:48,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:59:48,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:59:48,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:59:48,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:59:48,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:59:48,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:59:48,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:59:48,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:59:48,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:59:48,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:59:48,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:59:48,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:59:48,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:59:48,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:59:48,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:59:48,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:59:48,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:59:48,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:59:48,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:59:48,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:59:48,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:59:48,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:59:48,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:59:48,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:59:48,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:59:48,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 00:59:48,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:59:48,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:59:48,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:59:48,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:59:48,264 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:59:48,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:59:48,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:59:48,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:59:48,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:59:48,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:59:48,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:59:48,265 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 00:59:48,265 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 00:59:48,266 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 00:59:48,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:59:48,266 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 00:59:48,266 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 00:59:48,266 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:59:48,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:59:48,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:59:48,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:59:48,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:59:48,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:59:48,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:59:48,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:59:48,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:59:48,268 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 00:59:48,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 00:59:48,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 00:59:48,268 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer 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 -> 238bdb5f7d99ba2e1fec6ce0d5e4dc0227502909 [2019-11-20 00:59:48,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:59:48,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:59:48,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:59:48,438 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:59:48,438 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:59:48,439 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2019-11-20 00:59:48,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/data/ebec72844/113760ef4fb84925b8e30d37626915c3/FLAG71d76bc74 [2019-11-20 00:59:48,998 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:59:48,999 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2019-11-20 00:59:49,025 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/data/ebec72844/113760ef4fb84925b8e30d37626915c3/FLAG71d76bc74 [2019-11-20 00:59:49,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/data/ebec72844/113760ef4fb84925b8e30d37626915c3 [2019-11-20 00:59:49,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:59:49,291 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 00:59:49,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:59:49,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:59:49,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:59:49,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:59:49" (1/1) ... [2019-11-20 00:59:49,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d016a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:49, skipping insertion in model container [2019-11-20 00:59:49,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:59:49" (1/1) ... [2019-11-20 00:59:49,305 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:59:49,356 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:59:49,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:59:49,864 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:59:49,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:59:50,026 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:59:50,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50 WrapperNode [2019-11-20 00:59:50,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:59:50,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:59:50,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:59:50,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:59:50,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50" (1/1) ... [2019-11-20 00:59:50,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50" (1/1) ... [2019-11-20 00:59:50,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50" (1/1) ... [2019-11-20 00:59:50,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50" (1/1) ... [2019-11-20 00:59:50,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50" (1/1) ... [2019-11-20 00:59:50,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50" (1/1) ... [2019-11-20 00:59:50,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50" (1/1) ... [2019-11-20 00:59:50,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:59:50,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:59:50,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:59:50,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:59:50,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 00:59:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 00:59:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:59:50,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 00:59:50,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-20 00:59:50,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-20 00:59:50,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-20 00:59:50,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-20 00:59:50,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-20 00:59:50,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-20 00:59:50,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-20 00:59:50,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-20 00:59:50,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-20 00:59:50,203 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-20 00:59:50,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-20 00:59:50,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-20 00:59:50,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-20 00:59:50,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-20 00:59:50,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-20 00:59:50,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-20 00:59:50,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-20 00:59:50,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-20 00:59:50,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-20 00:59:50,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-20 00:59:50,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-20 00:59:50,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-20 00:59:50,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-20 00:59:50,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-20 00:59:50,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-20 00:59:50,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-20 00:59:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-20 00:59:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-20 00:59:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-20 00:59:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-20 00:59:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-20 00:59:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-20 00:59:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-20 00:59:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-20 00:59:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-20 00:59:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-20 00:59:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 00:59:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 00:59:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2019-11-20 00:59:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2019-11-20 00:59:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_3_11 [2019-11-20 00:59:50,209 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2019-11-20 00:59:50,210 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-20 00:59:50,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 00:59:50,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 00:59:50,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-20 00:59:50,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-20 00:59:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-20 00:59:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-20 00:59:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-20 00:59:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-20 00:59:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-20 00:59:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-20 00:59:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-20 00:59:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-20 00:59:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-20 00:59:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-20 00:59:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-20 00:59:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-20 00:59:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-20 00:59:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-20 00:59:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-20 00:59:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-20 00:59:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-20 00:59:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-20 00:59:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-20 00:59:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-20 00:59:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-20 00:59:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-20 00:59:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-20 00:59:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-20 00:59:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-20 00:59:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-20 00:59:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-20 00:59:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-20 00:59:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-20 00:59:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-20 00:59:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-20 00:59:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-20 00:59:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-20 00:59:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-20 00:59:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-20 00:59:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-20 00:59:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-20 00:59:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-20 00:59:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-20 00:59:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-20 00:59:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-20 00:59:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-20 00:59:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-20 00:59:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-20 00:59:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-20 00:59:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-20 00:59:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-20 00:59:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-20 00:59:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-20 00:59:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-20 00:59:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-20 00:59:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-20 00:59:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-20 00:59:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-20 00:59:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-20 00:59:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-20 00:59:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-20 00:59:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-20 00:59:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-20 00:59:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-20 00:59:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-20 00:59:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-20 00:59:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-20 00:59:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-20 00:59:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-20 00:59:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-20 00:59:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-20 00:59:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-20 00:59:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-20 00:59:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-20 00:59:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-20 00:59:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-20 00:59:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-20 00:59:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-20 00:59:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-20 00:59:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-20 00:59:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-20 00:59:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-20 00:59:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-20 00:59:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-20 00:59:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-20 00:59:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-20 00:59:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-20 00:59:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-20 00:59:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-20 00:59:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-20 00:59:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-20 00:59:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-20 00:59:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-20 00:59:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-20 00:59:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-20 00:59:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-20 00:59:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-20 00:59:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-20 00:59:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-20 00:59:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-20 00:59:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-20 00:59:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-20 00:59:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-20 00:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-20 00:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-20 00:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-20 00:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-20 00:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-20 00:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-20 00:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-20 00:59:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-20 00:59:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-20 00:59:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 00:59:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-20 00:59:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-20 00:59:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-20 00:59:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-20 00:59:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-20 00:59:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-20 00:59:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 00:59:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-20 00:59:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-20 00:59:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-20 00:59:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 00:59:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-20 00:59:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-20 00:59:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-20 00:59:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 00:59:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-20 00:59:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-20 00:59:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-20 00:59:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-20 00:59:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-20 00:59:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-20 00:59:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:59:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-20 00:59:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-20 00:59:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-20 00:59:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-20 00:59:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-20 00:59:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 00:59:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 00:59:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-20 00:59:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-20 00:59:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-20 00:59:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-20 00:59:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-20 00:59:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-20 00:59:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-20 00:59:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-20 00:59:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-20 00:59:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-20 00:59:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-20 00:59:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-20 00:59:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-20 00:59:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-20 00:59:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 00:59:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 00:59:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 00:59:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2019-11-20 00:59:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2019-11-20 00:59:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_3_11 [2019-11-20 00:59:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2019-11-20 00:59:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-20 00:59:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 00:59:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 00:59:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:59:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 00:59:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:59:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-20 00:59:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-20 00:59:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 00:59:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 00:59:50,983 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 00:59:51,419 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 00:59:51,918 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:59:51,923 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-20 00:59:51,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:59:51 BoogieIcfgContainer [2019-11-20 00:59:51,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:59:51,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:59:51,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:59:51,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:59:51,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:59:49" (1/3) ... [2019-11-20 00:59:51,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512657a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:59:51, skipping insertion in model container [2019-11-20 00:59:51,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:59:50" (2/3) ... [2019-11-20 00:59:51,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512657a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:59:51, skipping insertion in model container [2019-11-20 00:59:51,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:59:51" (3/3) ... [2019-11-20 00:59:51,936 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test11_2.i [2019-11-20 00:59:51,950 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:59:51,959 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 93 error locations. [2019-11-20 00:59:51,969 INFO L249 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2019-11-20 00:59:51,992 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:59:51,993 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 00:59:51,993 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:59:51,993 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:59:51,993 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:59:51,993 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:59:51,993 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:59:51,994 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:59:52,027 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2019-11-20 00:59:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 00:59:52,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:59:52,039 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:59:52,040 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 00:59:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:59:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1172166147, now seen corresponding path program 1 times [2019-11-20 00:59:52,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:59:52,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [30336514] [2019-11-20 00:59:52,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 00:59:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:52,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 00:59:52,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:59:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:52,435 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:59:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:52,540 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [30336514] [2019-11-20 00:59:52,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:59:52,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 00:59:52,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798487426] [2019-11-20 00:59:52,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:59:52,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:59:52,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:59:52,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:59:52,561 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 5 states. [2019-11-20 00:59:52,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:59:52,700 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2019-11-20 00:59:52,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:59:52,702 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-20 00:59:52,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:59:52,720 INFO L225 Difference]: With dead ends: 146 [2019-11-20 00:59:52,721 INFO L226 Difference]: Without dead ends: 143 [2019-11-20 00:59:52,723 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 [2019-11-20 00:59:52,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-20 00:59:52,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2019-11-20 00:59:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-20 00:59:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2019-11-20 00:59:52,807 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2019-11-20 00:59:52,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:59:52,807 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2019-11-20 00:59:52,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:59:52,808 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2019-11-20 00:59:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 00:59:52,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:59:52,809 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:59:53,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 00:59:53,020 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 00:59:53,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:59:53,021 INFO L82 PathProgramCache]: Analyzing trace with hash 570644188, now seen corresponding path program 1 times [2019-11-20 00:59:53,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:59:53,021 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1912968582] [2019-11-20 00:59:53,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 00:59:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:53,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 00:59:53,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:59:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:53,280 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:59:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:53,344 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1912968582] [2019-11-20 00:59:53,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:59:53,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 00:59:53,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654402164] [2019-11-20 00:59:53,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 00:59:53,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:59:53,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:59:53,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:59:53,349 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand 3 states. [2019-11-20 00:59:53,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:59:53,619 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2019-11-20 00:59:53,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:59:53,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-20 00:59:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:59:53,623 INFO L225 Difference]: With dead ends: 158 [2019-11-20 00:59:53,623 INFO L226 Difference]: Without dead ends: 155 [2019-11-20 00:59:53,623 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 [2019-11-20 00:59:53,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-20 00:59:53,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2019-11-20 00:59:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-20 00:59:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2019-11-20 00:59:53,651 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2019-11-20 00:59:53,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:59:53,652 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2019-11-20 00:59:53,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 00:59:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2019-11-20 00:59:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 00:59:53,653 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:59:53,653 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:59:53,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 00:59:53,856 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 00:59:53,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:59:53,857 INFO L82 PathProgramCache]: Analyzing trace with hash 184597210, now seen corresponding path program 1 times [2019-11-20 00:59:53,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:59:53,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1713124596] [2019-11-20 00:59:53,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 00:59:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:54,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 00:59:54,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:59:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 00:59:54,140 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:59:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 00:59:54,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1713124596] [2019-11-20 00:59:54,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 00:59:54,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-20 00:59:54,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108734541] [2019-11-20 00:59:54,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:59:54,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:59:54,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:59:54,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:59:54,187 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand 5 states. [2019-11-20 00:59:54,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:59:54,221 INFO L93 Difference]: Finished difference Result 104 states and 112 transitions. [2019-11-20 00:59:54,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:59:54,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-20 00:59:54,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:59:54,223 INFO L225 Difference]: With dead ends: 104 [2019-11-20 00:59:54,223 INFO L226 Difference]: Without dead ends: 104 [2019-11-20 00:59:54,223 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 [2019-11-20 00:59:54,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-20 00:59:54,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-11-20 00:59:54,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-20 00:59:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 112 transitions. [2019-11-20 00:59:54,232 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 112 transitions. Word has length 21 [2019-11-20 00:59:54,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:59:54,232 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 112 transitions. [2019-11-20 00:59:54,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:59:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2019-11-20 00:59:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 00:59:54,233 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:59:54,233 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:59:54,441 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 00:59:54,442 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 00:59:54,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:59:54,442 INFO L82 PathProgramCache]: Analyzing trace with hash 184597243, now seen corresponding path program 1 times [2019-11-20 00:59:54,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:59:54,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1078632590] [2019-11-20 00:59:54,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 00:59:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:59:54,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 00:59:54,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:59:54,738 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 [2019-11-20 00:59:54,738 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 00:59:54,745 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 00:59:54,746 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 00:59:54,746 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-20 00:59:54,849 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 00:59:54,850 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 [2019-11-20 00:59:54,851 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 00:59:54,874 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-20 00:59:54,875 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. [2019-11-20 00:59:54,875 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-20 00:59:54,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:54,921 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:59:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:59:59,322 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1078632590] [2019-11-20 00:59:59,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 00:59:59,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-20 00:59:59,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589840565] [2019-11-20 00:59:59,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-20 00:59:59,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:59:59,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-20 00:59:59,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-20 00:59:59,324 INFO L87 Difference]: Start difference. First operand 104 states and 112 transitions. Second operand 13 states. [2019-11-20 01:00:42,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:00:42,757 INFO L93 Difference]: Finished difference Result 235 states and 278 transitions. [2019-11-20 01:00:42,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 01:00:42,758 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 21 [2019-11-20 01:00:42,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:00:42,760 INFO L225 Difference]: With dead ends: 235 [2019-11-20 01:00:42,761 INFO L226 Difference]: Without dead ends: 235 [2019-11-20 01:00:42,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=76, Invalid=265, Unknown=1, NotChecked=0, Total=342 [2019-11-20 01:00:42,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-11-20 01:00:42,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 115. [2019-11-20 01:00:42,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-20 01:00:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2019-11-20 01:00:42,781 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 21 [2019-11-20 01:00:42,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:00:42,782 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2019-11-20 01:00:42,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-20 01:00:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2019-11-20 01:00:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 01:00:42,791 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:00:42,792 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:00:42,994 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:00:42,995 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 01:00:42,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:00:42,995 INFO L82 PathProgramCache]: Analyzing trace with hash 184597244, now seen corresponding path program 1 times [2019-11-20 01:00:42,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:00:42,995 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [46199445] [2019-11-20 01:00:42,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 01:00:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:00:43,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 01:00:43,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:00:43,278 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 [2019-11-20 01:00:43,278 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:00:43,288 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:00:43,293 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 [2019-11-20 01:00:43,293 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 01:00:43,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:00:43,304 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:00:43,304 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-20 01:00:45,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 01:00:45,440 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 [2019-11-20 01:00:45,441 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:00:45,458 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:00:45,475 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:00:45,476 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 [2019-11-20 01:00:45,477 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 01:00:45,500 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:00:45,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:00:45,501 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-20 01:00:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:00:45,526 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:00:45,629 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:00:47,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:00:47,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:00:47,790 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:00:47,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:00:47,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:00:47,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:00:47,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 01:00:51,657 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-20 01:00:51,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:00:57,128 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-20 01:00:57,138 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 [2019-11-20 01:00:57,138 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:00:57,151 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:00:57,153 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-20 01:00:57,153 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 01:00:57,161 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:00:57,162 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 01:00:57,162 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-20 01:00:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:00:57,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [46199445] [2019-11-20 01:00:57,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 01:00:57,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-20 01:00:57,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779131464] [2019-11-20 01:00:57,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-20 01:00:57,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:00:57,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-20 01:00:57,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=199, Unknown=4, NotChecked=0, Total=240 [2019-11-20 01:00:57,228 INFO L87 Difference]: Start difference. First operand 115 states and 131 transitions. Second operand 16 states. [2019-11-20 01:01:01,318 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_prenex_1 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_1) (_ bv0 1))) (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 (= (select |c_old(#valid)| v_prenex_2) (_ bv0 1)) (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))))) (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))))) (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|)))) is different from false [2019-11-20 01:01:15,469 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_prenex_1 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_1) (_ bv0 1))) (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (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 (= (select |c_old(#valid)| v_prenex_2) (_ bv0 1)) (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))))) (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))))) (= (_ bv0 32) |c_ldv_malloc_#res.offset|) (= (bvadd (select |c_#valid| |c_ldv_malloc_#res.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|))) (= (select |c_#length| |c_ldv_malloc_#res.base|) |c_ldv_malloc_#in~size|)) is different from false [2019-11-20 01:01:27,730 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-11-20 01:02:04,302 WARN L191 SmtUtils]: Spent 10.21 s on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-11-20 01:02:48,775 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-11-20 01:03:21,240 WARN L191 SmtUtils]: Spent 22.25 s on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-11-20 01:03:42,151 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 22 [2019-11-20 01:04:28,129 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (bvadd c_entry_point_~c11~0.offset (_ bv4 32)))) (let ((.cse1 (bvsle (_ bv0 32) c_entry_point_~c11~0.offset)) (.cse2 (forall ((|v_ldv_malloc_#t~malloc12.base_27| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_27|) (_ bv0 1))))) (.cse3 (bvsle c_entry_point_~c11~0.offset .cse4))) (and (exists ((v_prenex_1 (_ BitVec 32))) (= (select |c_old(#valid)| v_prenex_1) (_ bv0 1))) (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 (= (select |c_old(#valid)| v_prenex_2) (_ bv0 1)) (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))))) (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))))) (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|))) .cse1 (or .cse2 .cse3) (= |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 .cse1 .cse2) (bvsle .cse4 (select |c_#length| c_entry_point_~c11~0.base)) .cse3 (= |c_old(#length)| |c_#length|)))) is different from false [2019-11-20 01:06:54,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:06:54,547 INFO L93 Difference]: Finished difference Result 285 states and 338 transitions. [2019-11-20 01:06:54,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-20 01:06:54,548 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2019-11-20 01:06:54,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:06:54,550 INFO L225 Difference]: With dead ends: 285 [2019-11-20 01:06:54,550 INFO L226 Difference]: Without dead ends: 285 [2019-11-20 01:06:54,551 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 107.9s TimeCoverageRelationStatistics Valid=117, Invalid=568, Unknown=29, NotChecked=156, Total=870 [2019-11-20 01:06:54,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-11-20 01:06:54,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 118. [2019-11-20 01:06:54,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-20 01:06:54,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2019-11-20 01:06:54,565 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 21 [2019-11-20 01:06:54,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:06:54,565 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2019-11-20 01:06:54,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-20 01:06:54,565 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2019-11-20 01:06:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 01:06:54,566 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:06:54,567 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:06:54,769 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:06:54,770 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 01:06:54,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:06:54,770 INFO L82 PathProgramCache]: Analyzing trace with hash 213226395, now seen corresponding path program 1 times [2019-11-20 01:06:54,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:06:54,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1469471612] [2019-11-20 01:06:54,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 01:06:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:06:54,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 01:06:54,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:06:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:06:54,993 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:06:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:06:55,031 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1469471612] [2019-11-20 01:06:55,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:06:55,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 01:06:55,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383957830] [2019-11-20 01:06:55,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:06:55,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:06:55,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:06:55,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:06:55,032 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 5 states. [2019-11-20 01:06:55,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:06:55,068 INFO L93 Difference]: Finished difference Result 126 states and 141 transitions. [2019-11-20 01:06:55,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:06:55,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-20 01:06:55,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:06:55,071 INFO L225 Difference]: With dead ends: 126 [2019-11-20 01:06:55,071 INFO L226 Difference]: Without dead ends: 126 [2019-11-20 01:06:55,071 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 [2019-11-20 01:06:55,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-20 01:06:55,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 119. [2019-11-20 01:06:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-20 01:06:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 134 transitions. [2019-11-20 01:06:55,078 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 134 transitions. Word has length 21 [2019-11-20 01:06:55,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:06:55,079 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 134 transitions. [2019-11-20 01:06:55,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:06:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 134 transitions. [2019-11-20 01:06:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 01:06:55,080 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:06:55,080 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:06:55,283 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:06:55,284 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 01:06:55,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:06:55,284 INFO L82 PathProgramCache]: Analyzing trace with hash -108805764, now seen corresponding path program 1 times [2019-11-20 01:06:55,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:06:55,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1805090807] [2019-11-20 01:06:55,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 01:06:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:06:55,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 01:06:55,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:06:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:06:55,510 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:06:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:06:55,549 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1805090807] [2019-11-20 01:06:55,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 01:06:55,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-20 01:06:55,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670834873] [2019-11-20 01:06:55,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:06:55,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:06:55,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:06:55,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:06:55,550 INFO L87 Difference]: Start difference. First operand 119 states and 134 transitions. Second operand 5 states. [2019-11-20 01:06:55,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:06:55,574 INFO L93 Difference]: Finished difference Result 111 states and 122 transitions. [2019-11-20 01:06:55,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:06:55,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-11-20 01:06:55,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:06:55,575 INFO L225 Difference]: With dead ends: 111 [2019-11-20 01:06:55,576 INFO L226 Difference]: Without dead ends: 109 [2019-11-20 01:06:55,576 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 [2019-11-20 01:06:55,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-20 01:06:55,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-11-20 01:06:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-20 01:06:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2019-11-20 01:06:55,583 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 21 [2019-11-20 01:06:55,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:06:55,583 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2019-11-20 01:06:55,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:06:55,584 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2019-11-20 01:06:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 01:06:55,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:06:55,585 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:06:55,788 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:06:55,792 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 01:06:55,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:06:55,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1427546670, now seen corresponding path program 1 times [2019-11-20 01:06:55,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:06:55,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [559073109] [2019-11-20 01:06:55,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 01:06:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:06:55,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 01:06:55,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:06:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:06:56,018 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:06:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:06:56,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [559073109] [2019-11-20 01:06:56,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:06:56,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-20 01:06:56,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102631084] [2019-11-20 01:06:56,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:06:56,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:06:56,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:06:56,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:06:56,052 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand 5 states. [2019-11-20 01:06:56,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:06:56,147 INFO L93 Difference]: Finished difference Result 112 states and 121 transitions. [2019-11-20 01:06:56,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:06:56,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-20 01:06:56,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:06:56,149 INFO L225 Difference]: With dead ends: 112 [2019-11-20 01:06:56,149 INFO L226 Difference]: Without dead ends: 112 [2019-11-20 01:06:56,149 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 [2019-11-20 01:06:56,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-20 01:06:56,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2019-11-20 01:06:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-20 01:06:56,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2019-11-20 01:06:56,154 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 22 [2019-11-20 01:06:56,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:06:56,155 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2019-11-20 01:06:56,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:06:56,155 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2019-11-20 01:06:56,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 01:06:56,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:06:56,156 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] [2019-11-20 01:06:56,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:06:56,356 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, 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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 01:06:56,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:06:56,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1979916945, now seen corresponding path program 1 times [2019-11-20 01:06:56,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:06:56,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1784541299] [2019-11-20 01:06:56,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/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 [2019-11-20 01:06:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:06:56,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 01:06:56,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:06:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:06:56,607 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:06:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:06:56,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1784541299] [2019-11-20 01:06:56,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 01:06:56,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-20 01:06:56,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671649200] [2019-11-20 01:06:56,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 01:06:56,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:06:56,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 01:06:56,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 01:06:56,671 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand 9 states. [2019-11-20 01:06:56,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:06:56,930 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2019-11-20 01:06:56,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:06:56,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-20 01:06:56,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:06:56,932 INFO L225 Difference]: With dead ends: 108 [2019-11-20 01:06:56,932 INFO L226 Difference]: Without dead ends: 108 [2019-11-20 01:06:56,932 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 01:06:56,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-20 01:06:56,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-20 01:06:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-20 01:06:56,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2019-11-20 01:06:56,937 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 22 [2019-11-20 01:06:56,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:06:56,937 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2019-11-20 01:06:56,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 01:06:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2019-11-20 01:06:56,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 01:06:56,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:06:56,938 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] [2019-11-20 01:06:57,139 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:06:57,139 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, 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, alloc_3_11Err4REQUIRES_VIOLATION, alloc_3_11Err2REQUIRES_VIOLATION, alloc_3_11Err3REQUIRES_VIOLATION, alloc_3_11Err1REQUIRES_VIOLATION, alloc_3_11Err5REQUIRES_VIOLATION, alloc_3_11Err0REQUIRES_VIOLATION]=== [2019-11-20 01:06:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:06:57,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1564065087, now seen corresponding path program 1 times [2019-11-20 01:06:57,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:06:57,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [313360906] [2019-11-20 01:06:57,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07aabc54-ef0d-4627-b266-c1cfacfbdd50/bin/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:06:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:06:57,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 01:06:57,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:06:57,388 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 01:06:57,388 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 [2019-11-20 01:06:57,389 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 01:06:57,416 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-20 01:06:57,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:06:57,417 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. [2019-11-20 01:06:57,417 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-20 01:06:57,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:06:57,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:06:57,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:06:57,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:07:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:07:03,604 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:07:07,915 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:07:07,916 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 01:07:07,919 INFO L168 Benchmark]: Toolchain (without parser) took 438628.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.3 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 167.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:07:07,919 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:07:07,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:07:07,920 INFO L168 Benchmark]: Boogie Preprocessor took 101.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:07:07,921 INFO L168 Benchmark]: RCFGBuilder took 1795.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.3 MB in the end (delta: 125.3 MB). Peak memory consumption was 125.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:07:07,921 INFO L168 Benchmark]: TraceAbstraction took 435990.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 147.8 MB). Free memory was 986.3 MB in the beginning and 1.1 GB in the end (delta: -98.2 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:07:07,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 735.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.63 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1795.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.3 MB in the end (delta: 125.3 MB). Peak memory consumption was 125.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 435990.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 147.8 MB). Free memory was 986.3 MB in the beginning and 1.1 GB in the end (delta: -98.2 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...