./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ddd76748336e4492ab4ef6ce1615fb3beb718b62 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 11:46:52,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:46:52,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:46:52,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:46:52,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:46:52,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:46:52,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:46:52,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:46:52,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:46:52,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:46:52,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:46:52,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:46:52,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:46:52,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:46:52,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:46:52,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:46:52,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:46:52,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:46:52,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:46:52,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:46:52,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:46:52,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:46:52,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:46:52,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:46:52,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:46:52,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:46:52,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:46:52,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:46:52,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:46:52,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:46:52,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:46:52,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:46:52,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:46:52,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:46:52,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:46:52,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:46:52,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:46:52,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:46:52,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:46:52,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:46:52,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:46:52,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:46:52,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:46:52,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:46:52,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:46:52,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:46:52,273 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:46:52,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:46:52,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:46:52,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:46:52,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:46:52,274 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:46:52,274 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:46:52,275 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:46:52,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:46:52,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:46:52,275 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:52,276 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:46:52,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:46:52,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:46:52,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:46:52,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:46:52,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:46:52,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:46:52,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:46:52,278 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:46:52,278 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:46:52,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:46:52,279 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddd76748336e4492ab4ef6ce1615fb3beb718b62 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:46:52,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:46:52,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:46:52,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:46:52,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:46:52,614 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:46:52,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2019-11-21 11:46:52,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23986d779/433b91fa3c1a477db93e432653e626c9/FLAG39711877b [2019-11-21 11:46:53,234 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:46:53,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2019-11-21 11:46:53,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23986d779/433b91fa3c1a477db93e432653e626c9/FLAG39711877b [2019-11-21 11:46:53,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23986d779/433b91fa3c1a477db93e432653e626c9 [2019-11-21 11:46:53,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:46:53,533 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:46:53,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:46:53,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:46:53,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:46:53,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:53" (1/1) ... [2019-11-21 11:46:53,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f77c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:53, skipping insertion in model container [2019-11-21 11:46:53,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:53" (1/1) ... [2019-11-21 11:46:53,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:46:53,599 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:46:54,040 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:46:54,041 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:46:54,041 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:54,066 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:46:54,067 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:46:54,067 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:54,072 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:46:54,072 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:46:54,072 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:54,077 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:46:54,077 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:46:54,077 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:54,116 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:46:54,117 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:46:54,117 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:54,131 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:46:54,132 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [760] [2019-11-21 11:46:54,132 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:54,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:46:54,171 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:46:54,200 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:46:54,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:46:54,294 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:46:54,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:46:54,453 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:46:54,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54 WrapperNode [2019-11-21 11:46:54,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:46:54,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:46:54,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:46:54,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:46:54,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54" (1/1) ... [2019-11-21 11:46:54,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54" (1/1) ... [2019-11-21 11:46:54,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54" (1/1) ... [2019-11-21 11:46:54,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54" (1/1) ... [2019-11-21 11:46:54,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54" (1/1) ... [2019-11-21 11:46:54,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54" (1/1) ... [2019-11-21 11:46:54,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54" (1/1) ... [2019-11-21 11:46:54,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:46:54,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:46:54,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:46:54,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:46:54,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:46:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:46:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:46:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:46:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:46:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:46:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:46:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:46:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:46:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:46:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:46:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:46:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:46:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:46:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:46:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:46:54,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:46:54,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:46:54,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:46:54,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:46:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:46:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:46:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:46:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:46:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:46:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:46:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:46:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:46:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:46:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:46:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:46:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:46:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:46:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:46:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:46:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:46:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:46:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:46:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:46:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:46:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:46:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:46:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9 [2019-11-21 11:46:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2019-11-21 11:46:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:46:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:46:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:46:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:46:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:46:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:46:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:46:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:46:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:46:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:46:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:46:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:46:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:46:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:46:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:46:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:46:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:46:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:46:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:46:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:46:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:46:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:46:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:46:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:46:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:46:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:46:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:46:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:46:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:46:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:46:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:46:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:46:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:46:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:46:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:46:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:46:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:46:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:46:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:46:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:46:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:46:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:46:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:46:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:46:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:46:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:46:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:46:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:46:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:46:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:46:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:46:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:46:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:46:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:46:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:46:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:46:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:46:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:46:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:46:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:46:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:46:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:46:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:46:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:46:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:46:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:46:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:46:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:46:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:46:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:46:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:46:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:46:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:46:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:46:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:46:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:46:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:46:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:46:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:46:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:46:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:46:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:46:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:46:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:46:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:46:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:46:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:46:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:46:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:46:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:46:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:46:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:46:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:46:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:46:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:46:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:46:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:46:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:46:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:46:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:46:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:46:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:46:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:46:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:46:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:46:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:46:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:46:54,683 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:46:54,683 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:46:54,683 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:46:54,683 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:46:54,684 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:46:54,684 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:46:54,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:46:54,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:46:54,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:46:54,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:46:54,685 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:46:54,685 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:46:54,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:46:54,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:46:54,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:46:54,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:46:54,686 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:46:54,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:46:54,687 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:46:54,687 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:46:54,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:46:54,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:46:54,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:46:54,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:46:54,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:46:54,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:46:54,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:46:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:46:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:46:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:46:54,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:46:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:46:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:46:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:46:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:46:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:46:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:46:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:46:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:46:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:46:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:46:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:46:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:46:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:46:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:46:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:46:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:46:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:46:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:46:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:46:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:46:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:46:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:46:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9 [2019-11-21 11:46:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2019-11-21 11:46:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:46:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:46:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:46:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:46:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:46:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:46:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:46:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:46:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:46:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:46:55,298 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:46:55,700 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:46:56,061 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:46:56,061 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:46:56,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:46:56 BoogieIcfgContainer [2019-11-21 11:46:56,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:46:56,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:46:56,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:46:56,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:46:56,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:46:53" (1/3) ... [2019-11-21 11:46:56,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669d44f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:46:56, skipping insertion in model container [2019-11-21 11:46:56,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:54" (2/3) ... [2019-11-21 11:46:56,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669d44f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:46:56, skipping insertion in model container [2019-11-21 11:46:56,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:46:56" (3/3) ... [2019-11-21 11:46:56,071 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test9.i [2019-11-21 11:46:56,081 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:46:56,095 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-21 11:46:56,108 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-21 11:46:56,135 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:46:56,135 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:46:56,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:46:56,136 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:46:56,136 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:46:56,136 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:46:56,136 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:46:56,140 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:46:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-11-21 11:46:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:46:56,182 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:56,183 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:46:56,184 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:46:56,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:56,191 INFO L82 PathProgramCache]: Analyzing trace with hash -587932754, now seen corresponding path program 1 times [2019-11-21 11:46:56,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:56,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1412830656] [2019-11-21 11:46:56,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:56,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:46:56,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:56,576 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:56,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1412830656] [2019-11-21 11:46:56,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:56,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 11:46:56,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292576353] [2019-11-21 11:46:56,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:46:56,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:56,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:46:56,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:46:56,721 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 5 states. [2019-11-21 11:46:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:56,817 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2019-11-21 11:46:56,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:46:56,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-21 11:46:56,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:56,832 INFO L225 Difference]: With dead ends: 34 [2019-11-21 11:46:56,833 INFO L226 Difference]: Without dead ends: 31 [2019-11-21 11:46:56,834 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-21 11:46:56,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-21 11:46:56,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-21 11:46:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-21 11:46:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2019-11-21 11:46:56,872 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 20 [2019-11-21 11:46:56,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:56,873 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2019-11-21 11:46:56,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:46:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2019-11-21 11:46:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:46:56,874 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:56,874 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:46:57,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:57,078 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:46:57,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:57,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1046045783, now seen corresponding path program 1 times [2019-11-21 11:46:57,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:57,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1729911198] [2019-11-21 11:46:57,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:57,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 11:46:57,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:57,450 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:57,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1729911198] [2019-11-21 11:46:57,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:57,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-21 11:46:57,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251846988] [2019-11-21 11:46:57,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 11:46:57,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:57,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 11:46:57,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:46:57,595 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 9 states. [2019-11-21 11:46:57,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:57,798 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-11-21 11:46:57,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:46:57,799 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-11-21 11:46:57,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:57,800 INFO L225 Difference]: With dead ends: 30 [2019-11-21 11:46:57,800 INFO L226 Difference]: Without dead ends: 30 [2019-11-21 11:46:57,801 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-11-21 11:46:57,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-21 11:46:57,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-21 11:46:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-21 11:46:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2019-11-21 11:46:57,807 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 21 [2019-11-21 11:46:57,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:57,807 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2019-11-21 11:46:57,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 11:46:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2019-11-21 11:46:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:46:57,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:57,809 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:46:58,015 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:58,016 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:46:58,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:58,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1932319504, now seen corresponding path program 1 times [2019-11-21 11:46:58,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:58,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1276707399] [2019-11-21 11:46:58,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:58,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 11:46:58,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:58,345 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 11:46:58,345 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:46:58,350 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:46:58,350 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:46:58,350 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 11:46:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:58,395 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:58,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1276707399] [2019-11-21 11:46:58,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:58,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 11:46:58,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902787365] [2019-11-21 11:46:58,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:46:58,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:58,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:46:58,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:46:58,522 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 5 states. [2019-11-21 11:46:58,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:58,602 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2019-11-21 11:46:58,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:46:58,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-21 11:46:58,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:58,612 INFO L225 Difference]: With dead ends: 43 [2019-11-21 11:46:58,614 INFO L226 Difference]: Without dead ends: 43 [2019-11-21 11:46:58,614 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:46:58,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-21 11:46:58,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2019-11-21 11:46:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-21 11:46:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2019-11-21 11:46:58,632 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 22 [2019-11-21 11:46:58,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:58,632 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2019-11-21 11:46:58,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:46:58,633 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2019-11-21 11:46:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:46:58,635 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:58,635 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:46:58,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:58,838 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:46:58,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:58,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1638916497, now seen corresponding path program 1 times [2019-11-21 11:46:58,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:58,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1518831317] [2019-11-21 11:46:58,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:59,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:46:59,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:59,085 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:59,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1518831317] [2019-11-21 11:46:59,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:59,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 11:46:59,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205165984] [2019-11-21 11:46:59,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 11:46:59,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:59,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 11:46:59,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:46:59,172 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 6 states. [2019-11-21 11:46:59,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:59,259 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2019-11-21 11:46:59,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:46:59,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-21 11:46:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:59,263 INFO L225 Difference]: With dead ends: 59 [2019-11-21 11:46:59,263 INFO L226 Difference]: Without dead ends: 57 [2019-11-21 11:46:59,263 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:46:59,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-21 11:46:59,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 37. [2019-11-21 11:46:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-21 11:46:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2019-11-21 11:46:59,271 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 22 [2019-11-21 11:46:59,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:59,272 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2019-11-21 11:46:59,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 11:46:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2019-11-21 11:46:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:46:59,273 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:59,273 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:46:59,475 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:59,476 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:46:59,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:59,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1932496891, now seen corresponding path program 1 times [2019-11-21 11:46:59,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:59,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [506000610] [2019-11-21 11:46:59,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:59,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-21 11:46:59,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:59,742 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:46:59,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [506000610] [2019-11-21 11:46:59,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:59,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:46:59,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7488544] [2019-11-21 11:46:59,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:46:59,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:59,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:46:59,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:46:59,791 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 5 states. [2019-11-21 11:46:59,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:59,804 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2019-11-21 11:46:59,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:46:59,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-21 11:46:59,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:59,806 INFO L225 Difference]: With dead ends: 44 [2019-11-21 11:46:59,806 INFO L226 Difference]: Without dead ends: 40 [2019-11-21 11:46:59,806 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:46:59,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-21 11:46:59,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2019-11-21 11:46:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-21 11:46:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2019-11-21 11:46:59,812 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 22 [2019-11-21 11:46:59,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:59,812 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2019-11-21 11:46:59,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:46:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2019-11-21 11:46:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:46:59,813 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:59,813 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:47:00,016 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:47:00,017 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:47:00,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:47:00,018 INFO L82 PathProgramCache]: Analyzing trace with hash 125042428, now seen corresponding path program 1 times [2019-11-21 11:47:00,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:47:00,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1065983261] [2019-11-21 11:47:00,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:47:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:47:00,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:47:00,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:47:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:47:00,262 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:47:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:47:00,370 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1065983261] [2019-11-21 11:47:00,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:47:00,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-21 11:47:00,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533400679] [2019-11-21 11:47:00,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:47:00,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:47:00,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:47:00,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:47:00,372 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 5 states. [2019-11-21 11:47:00,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:47:00,403 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-11-21 11:47:00,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:47:00,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-21 11:47:00,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:47:00,404 INFO L225 Difference]: With dead ends: 44 [2019-11-21 11:47:00,404 INFO L226 Difference]: Without dead ends: 44 [2019-11-21 11:47:00,405 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:47:00,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-21 11:47:00,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2019-11-21 11:47:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-21 11:47:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2019-11-21 11:47:00,409 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2019-11-21 11:47:00,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:47:00,410 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2019-11-21 11:47:00,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:47:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-11-21 11:47:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:47:00,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:47:00,411 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:47:00,611 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:47:00,613 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:47:00,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:47:00,613 INFO L82 PathProgramCache]: Analyzing trace with hash -168360579, now seen corresponding path program 1 times [2019-11-21 11:47:00,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:47:00,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [513679092] [2019-11-21 11:47:00,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:47:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:47:00,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-21 11:47:00,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:47:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:47:00,846 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:47:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:47:00,947 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [513679092] [2019-11-21 11:47:00,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:47:00,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 11:47:00,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690518723] [2019-11-21 11:47:00,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 11:47:00,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:47:00,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 11:47:00,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:47:00,949 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 3 states. [2019-11-21 11:47:00,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:47:00,977 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2019-11-21 11:47:00,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 11:47:00,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-21 11:47:00,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:47:00,979 INFO L225 Difference]: With dead ends: 42 [2019-11-21 11:47:00,979 INFO L226 Difference]: Without dead ends: 38 [2019-11-21 11:47:00,979 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:47:00,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-21 11:47:00,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2019-11-21 11:47:00,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-21 11:47:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2019-11-21 11:47:00,986 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 22 [2019-11-21 11:47:00,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:47:00,986 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2019-11-21 11:47:00,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 11:47:00,986 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2019-11-21 11:47:00,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-21 11:47:00,987 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:47:00,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:47:01,190 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:47:01,194 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-21 11:47:01,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:47:01,195 INFO L82 PathProgramCache]: Analyzing trace with hash 2059901366, now seen corresponding path program 1 times [2019-11-21 11:47:01,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:47:01,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1866910941] [2019-11-21 11:47:01,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:47:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:47:01,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-21 11:47:01,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:47:01,504 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:47:01,504 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-21 11:47:01,505 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:47:01,526 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 11:47:01,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:47:01,530 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-21 11:47:01,531 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 11:47:01,531 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:47:01,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:47:01,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:47:01,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:47:01,654 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-21 11:47:01,654 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:47:01,666 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:47:01,666 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:47:01,666 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-11-21 11:47:07,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:47:07,827 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:47:14,257 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:47:14,259 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 11:47:14,267 INFO L168 Benchmark]: Toolchain (without parser) took 20734.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 952.3 MB in the beginning and 806.3 MB in the end (delta: 146.0 MB). Peak memory consumption was 351.6 MB. Max. memory is 11.5 GB. [2019-11-21 11:47:14,268 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:47:14,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 920.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -114.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-21 11:47:14,269 INFO L168 Benchmark]: Boogie Preprocessor took 133.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:47:14,270 INFO L168 Benchmark]: RCFGBuilder took 1473.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.5 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. [2019-11-21 11:47:14,271 INFO L168 Benchmark]: TraceAbstraction took 18201.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.0 MB). Free memory was 953.5 MB in the beginning and 806.3 MB in the end (delta: 147.2 MB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. [2019-11-21 11:47:14,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 920.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -114.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 133.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1473.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.5 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18201.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.0 MB). Free memory was 953.5 MB in the beginning and 806.3 MB in the end (delta: 147.2 MB). Peak memory consumption was 234.2 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...