./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.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_test5.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 865b9817b99e49ea2291023072dbeb614cc40342 --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 11:46:27,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:46:27,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:46:27,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:46:27,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:46:27,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:46:27,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:46:27,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:46:27,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:46:27,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:46:27,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:46:27,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:46:27,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:46:27,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:46:27,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:46:27,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:46:27,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:46:27,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:46:27,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:46:27,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:46:27,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:46:27,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:46:27,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:46:27,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:46:27,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:46:27,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:46:27,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:46:27,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:46:27,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:46:27,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:46:27,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:46:27,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:46:27,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:46:27,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:46:27,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:46:27,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:46:27,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:46:27,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:46:27,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:46:27,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:46:27,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:46:27,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:46:27,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:46:27,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:46:27,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:46:27,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:46:27,348 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:46:27,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:46:27,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:46:27,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:46:27,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:46:27,350 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:46:27,350 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:46:27,350 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:46:27,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:46:27,352 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:46:27,352 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:27,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:46:27,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:46:27,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:46:27,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:46:27,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:46:27,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:46:27,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:46:27,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:46:27,355 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:46:27,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:46:27,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:46:27,356 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 -> 865b9817b99e49ea2291023072dbeb614cc40342 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:46:27,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:46:27,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:46:27,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:46:27,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:46:27,674 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:46:27,675 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-21 11:46:27,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b629c2955/c267225dc7ae4de38d230341917ee992/FLAGa126c4c1a [2019-11-21 11:46:28,305 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:46:28,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-21 11:46:28,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b629c2955/c267225dc7ae4de38d230341917ee992/FLAGa126c4c1a [2019-11-21 11:46:28,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b629c2955/c267225dc7ae4de38d230341917ee992 [2019-11-21 11:46:28,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:46:28,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:46:28,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:46:28,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:46:28,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:46:28,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:28" (1/1) ... [2019-11-21 11:46:28,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68275591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:28, skipping insertion in model container [2019-11-21 11:46:28,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:28" (1/1) ... [2019-11-21 11:46:28,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:46:28,680 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:46:29,141 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 11:46:29,142 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:46:29,142 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:29,153 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 11:46:29,154 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:46:29,154 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:29,156 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 11:46:29,157 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:46:29,157 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:29,160 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 11:46:29,160 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:46:29,161 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:29,184 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 11:46:29,184 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:46:29,185 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:29,194 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 11:46:29,194 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [759] [2019-11-21 11:46:29,195 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:46:29,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:46:29,233 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:46:29,262 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:46:29,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:46:29,385 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:46:29,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:46:29,532 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:46:29,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29 WrapperNode [2019-11-21 11:46:29,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:46:29,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:46:29,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:46:29,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:46:29,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2019-11-21 11:46:29,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2019-11-21 11:46:29,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2019-11-21 11:46:29,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2019-11-21 11:46:29,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2019-11-21 11:46:29,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2019-11-21 11:46:29,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2019-11-21 11:46:29,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:46:29,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:46:29,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:46:29,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:46:29,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (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 11:46:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:46:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:46:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:46:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:46:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:46:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:46:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:46:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:46:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:46:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:46:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:46:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:46:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:46:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:46:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:46:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:46:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:46:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:46:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:46:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:46:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:46:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:46:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:46:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:46:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:46:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:46:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:46:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:46:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:46:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:46:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:46:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:46:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:46:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:46:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:46:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:46:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:46:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:46:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:46:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:46:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:46:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2019-11-21 11:46:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2019-11-21 11:46:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:46:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:46:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:46:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:46:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:46:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:46:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:46:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:46:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:46:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:46:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:46:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:46:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:46:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:46:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:46:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:46:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:46:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:46:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:46:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:46:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:46:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:46:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:46:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:46:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:46:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:46:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:46:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:46:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:46:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:46:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:46:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:46:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:46:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:46:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:46:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:46:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:46:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:46:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:46:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:46:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:46:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:46:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:46:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:46:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:46:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:46:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:46:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:46:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:46:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:46:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:46:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:46:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:46:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:46:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:46:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:46:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:46:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:46:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:46:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:46:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:46:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:46:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:46:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:46:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:46:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:46:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:46:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:46:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:46:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:46:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:46:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:46:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:46:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:46:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:46:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:46:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:46:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:46:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:46:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:46:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:46:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:46:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:46:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:46:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:46:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:46:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:46:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:46:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:46:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:46:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:46:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:46:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:46:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:46:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:46:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:46:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:46:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:46:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:46:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:46:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:46:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:46:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:46:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:46:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:46:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:46:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:46:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:46:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:46:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:46:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:46:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:46:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:46:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:46:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:46:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:46:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:46:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:46:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:46:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:46:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:46:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:46:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:46:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:46:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:46:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:46:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:46:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:46:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:46:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:46:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:46:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:46:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:46:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:46:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:46:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:46:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:46:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:46:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:46:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:46:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:46:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:46:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:46:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:46:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:46:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:46:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:46:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:46:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:46:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:46:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:46:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:46:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:46:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:46:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:46:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:46:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:46:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:46:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:46:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:46:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2019-11-21 11:46:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2019-11-21 11:46:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:46:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:46:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:46:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:46:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:46:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:46:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:46:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:46:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:46:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:46:30,438 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:46:30,839 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:46:31,219 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:46:31,220 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:46:31,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:46:31 BoogieIcfgContainer [2019-11-21 11:46:31,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:46:31,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:46:31,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:46:31,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:46:31,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:46:28" (1/3) ... [2019-11-21 11:46:31,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2686811c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:46:31, skipping insertion in model container [2019-11-21 11:46:31,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (2/3) ... [2019-11-21 11:46:31,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2686811c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:46:31, skipping insertion in model container [2019-11-21 11:46:31,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:46:31" (3/3) ... [2019-11-21 11:46:31,231 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2019-11-21 11:46:31,241 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:46:31,249 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-21 11:46:31,261 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-21 11:46:31,283 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:46:31,283 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:46:31,283 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:46:31,283 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:46:31,284 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:46:31,284 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:46:31,284 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:46:31,284 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:46:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-21 11:46:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:46:31,314 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:31,315 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 11:46:31,316 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2019-11-21 11:46:31,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:31,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1811446666, now seen corresponding path program 1 times [2019-11-21 11:46:31,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:31,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2113795009] [2019-11-21 11:46:31,336 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 11:46:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:31,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 11:46:31,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:31,762 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 11:46:31,763 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:31,894 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 11:46:31,895 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2113795009] [2019-11-21 11:46:31,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:31,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 11:46:31,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250963959] [2019-11-21 11:46:31,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 11:46:31,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:31,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 11:46:31,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:46:31,924 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 9 states. [2019-11-21 11:46:32,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:32,033 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-21 11:46:32,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 11:46:32,036 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-21 11:46:32,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:32,047 INFO L225 Difference]: With dead ends: 33 [2019-11-21 11:46:32,047 INFO L226 Difference]: Without dead ends: 30 [2019-11-21 11:46:32,051 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 11:46:32,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-21 11:46:32,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-21 11:46:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-21 11:46:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-21 11:46:32,101 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-11-21 11:46:32,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:32,102 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-21 11:46:32,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 11:46:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-21 11:46:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-21 11:46:32,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:32,104 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:46:32,316 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:32,317 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2019-11-21 11:46:32,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:32,318 INFO L82 PathProgramCache]: Analyzing trace with hash -320271464, now seen corresponding path program 1 times [2019-11-21 11:46:32,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:32,319 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1545513580] [2019-11-21 11:46:32,319 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 11:46:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:32,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-21 11:46:32,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:32,805 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 11:46:32,806 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:33,097 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 11:46:33,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1545513580] [2019-11-21 11:46:33,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:33,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-21 11:46:33,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355100028] [2019-11-21 11:46:33,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-21 11:46:33,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:33,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-21 11:46:33,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2019-11-21 11:46:33,102 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 17 states. [2019-11-21 11:46:33,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:33,510 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-11-21 11:46:33,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-21 11:46:33,511 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 21 [2019-11-21 11:46:33,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:33,512 INFO L225 Difference]: With dead ends: 29 [2019-11-21 11:46:33,512 INFO L226 Difference]: Without dead ends: 29 [2019-11-21 11:46:33,513 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-21 11:46:33,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-21 11:46:33,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-21 11:46:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-21 11:46:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-11-21 11:46:33,519 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 21 [2019-11-21 11:46:33,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:33,519 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-11-21 11:46:33,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-21 11:46:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-11-21 11:46:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:46:33,521 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:33,521 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 11:46:33,725 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:33,726 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2019-11-21 11:46:33,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:33,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1338480456, now seen corresponding path program 1 times [2019-11-21 11:46:33,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:33,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1101303947] [2019-11-21 11:46:33,728 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 11:46:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:33,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-21 11:46:33,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:34,020 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 11:46:34,021 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:46:34,025 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:46:34,026 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:46:34,026 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 11:46:34,097 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 11:46:34,097 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:34,224 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 11:46:34,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1101303947] [2019-11-21 11:46:34,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:34,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-21 11:46:34,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015672988] [2019-11-21 11:46:34,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 11:46:34,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:34,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 11:46:34,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:46:34,226 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 9 states. [2019-11-21 11:46:34,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:34,392 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2019-11-21 11:46:34,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 11:46:34,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-21 11:46:34,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:34,397 INFO L225 Difference]: With dead ends: 45 [2019-11-21 11:46:34,397 INFO L226 Difference]: Without dead ends: 45 [2019-11-21 11:46:34,398 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 11:46:34,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-21 11:46:34,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2019-11-21 11:46:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-21 11:46:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2019-11-21 11:46:34,409 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 22 [2019-11-21 11:46:34,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:34,410 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2019-11-21 11:46:34,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 11:46:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2019-11-21 11:46:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-21 11:46:34,412 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:34,413 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 11:46:34,615 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:34,616 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2019-11-21 11:46:34,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:34,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1631883463, now seen corresponding path program 1 times [2019-11-21 11:46:34,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:34,619 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1662536553] [2019-11-21 11:46:34,619 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 11:46:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:34,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 11:46:34,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:34,917 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 11:46:34,917 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:34,986 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 11:46:34,986 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1662536553] [2019-11-21 11:46:34,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:34,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2019-11-21 11:46:34,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030478530] [2019-11-21 11:46:34,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 11:46:34,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:34,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 11:46:34,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-21 11:46:34,988 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 10 states. [2019-11-21 11:46:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:35,086 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-11-21 11:46:35,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-21 11:46:35,086 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-11-21 11:46:35,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:35,088 INFO L225 Difference]: With dead ends: 44 [2019-11-21 11:46:35,088 INFO L226 Difference]: Without dead ends: 43 [2019-11-21 11:46:35,088 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-11-21 11:46:35,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-21 11:46:35,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2019-11-21 11:46:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-21 11:46:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2019-11-21 11:46:35,096 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 22 [2019-11-21 11:46:35,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:35,096 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2019-11-21 11:46:35,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 11:46:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-11-21 11:46:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 11:46:35,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:35,098 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:46:35,301 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:35,302 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2019-11-21 11:46:35,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:35,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1844383163, now seen corresponding path program 1 times [2019-11-21 11:46:35,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:35,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [344416257] [2019-11-21 11:46:35,304 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 11:46:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:35,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 11:46:35,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:35,593 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 11:46:35,594 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:35,825 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 11:46:35,826 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [344416257] [2019-11-21 11:46:35,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:35,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 10 [2019-11-21 11:46:35,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727252949] [2019-11-21 11:46:35,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-21 11:46:35,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:35,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-21 11:46:35,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-21 11:46:35,827 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 10 states. [2019-11-21 11:46:35,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:35,929 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2019-11-21 11:46:35,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-21 11:46:35,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-21 11:46:35,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:35,931 INFO L225 Difference]: With dead ends: 43 [2019-11-21 11:46:35,931 INFO L226 Difference]: Without dead ends: 41 [2019-11-21 11:46:35,932 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-21 11:46:35,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-21 11:46:35,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2019-11-21 11:46:35,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-21 11:46:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2019-11-21 11:46:35,938 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 24 [2019-11-21 11:46:35,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:35,939 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2019-11-21 11:46:35,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-21 11:46:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2019-11-21 11:46:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-21 11:46:35,940 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:35,940 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:46:36,150 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:36,151 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2019-11-21 11:46:36,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:36,152 INFO L82 PathProgramCache]: Analyzing trace with hash -336831354, now seen corresponding path program 1 times [2019-11-21 11:46:36,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:36,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1367651181] [2019-11-21 11:46:36,153 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 11:46:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:36,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-21 11:46:36,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:36,388 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 11:46:36,388 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:36,518 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 11:46:36,519 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1367651181] [2019-11-21 11:46:36,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:46:36,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-21 11:46:36,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81910703] [2019-11-21 11:46:36,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-21 11:46:36,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:46:36,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-21 11:46:36,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-21 11:46:36,520 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 3 states. [2019-11-21 11:46:36,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:46:36,546 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-11-21 11:46:36,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-21 11:46:36,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-21 11:46:36,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:46:36,547 INFO L225 Difference]: With dead ends: 42 [2019-11-21 11:46:36,548 INFO L226 Difference]: Without dead ends: 28 [2019-11-21 11:46:36,548 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 11:46:36,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-21 11:46:36,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-11-21 11:46:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-21 11:46:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2019-11-21 11:46:36,553 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2019-11-21 11:46:36,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:46:36,553 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2019-11-21 11:46:36,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-21 11:46:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2019-11-21 11:46:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-21 11:46:36,554 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:46:36,555 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] [2019-11-21 11:46:36,755 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:36,757 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, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __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]=== [2019-11-21 11:46:36,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:46:36,758 INFO L82 PathProgramCache]: Analyzing trace with hash 2018548075, now seen corresponding path program 1 times [2019-11-21 11:46:36,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:46:36,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1033016838] [2019-11-21 11:46:36,759 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 11:46:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:46:37,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-21 11:46:37,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:46:37,068 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:46:37,069 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 11:46:37,070 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:46:37,089 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-21 11:46:37,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:46:37,093 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 11:46:37,094 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-21 11:46:37,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:46:37,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:46:37,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:46:37,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-21 11:46:45,431 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 11:46:45,431 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:46:49,907 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:46:49,909 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-21 11:46:49,914 INFO L168 Benchmark]: Toolchain (without parser) took 21320.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 946.9 MB in the beginning and 1.3 GB in the end (delta: -321.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:46:49,915 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:46:49,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-21 11:46:49,916 INFO L168 Benchmark]: Boogie Preprocessor took 109.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-21 11:46:49,917 INFO L168 Benchmark]: RCFGBuilder took 1578.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.4 MB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2019-11-21 11:46:49,918 INFO L168 Benchmark]: TraceAbstraction took 18689.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.7 MB). Free memory was 998.4 MB in the beginning and 1.3 GB in the end (delta: -269.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:46:49,921 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 937.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1578.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.4 MB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18689.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.7 MB). Free memory was 998.4 MB in the beginning and 1.3 GB in the end (delta: -269.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...