./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 701f399f 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_test1-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7210087ed4202b2135d1108918e88b59870adcd4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-701f399 [2019-11-22 10:06:27,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 10:06:27,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 10:06:27,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 10:06:27,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 10:06:27,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 10:06:27,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 10:06:27,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 10:06:27,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 10:06:27,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 10:06:27,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 10:06:27,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 10:06:27,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 10:06:27,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 10:06:27,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 10:06:27,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 10:06:27,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 10:06:27,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 10:06:27,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 10:06:27,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 10:06:27,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 10:06:27,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 10:06:27,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 10:06:27,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 10:06:27,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 10:06:27,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 10:06:27,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 10:06:27,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 10:06:27,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 10:06:27,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 10:06:27,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 10:06:27,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 10:06:27,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 10:06:27,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 10:06:27,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 10:06:27,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 10:06:27,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 10:06:27,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 10:06:27,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 10:06:27,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 10:06:27,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 10:06:27,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-22 10:06:27,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 10:06:27,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 10:06:27,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 10:06:27,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 10:06:27,392 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 10:06:27,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 10:06:27,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-22 10:06:27,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 10:06:27,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 10:06:27,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-22 10:06:27,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 10:06:27,395 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 10:06:27,395 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 10:06:27,396 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 10:06:27,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 10:06:27,397 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 10:06:27,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 10:06:27,397 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 10:06:27,397 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-22 10:06:27,398 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 10:06:27,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 10:06:27,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 10:06:27,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 10:06:27,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 10:06:27,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 10:06:27,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 10:06:27,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 10:06:27,400 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 10:06:27,400 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 10:06:27,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 10:06:27,401 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7210087ed4202b2135d1108918e88b59870adcd4 [2019-11-22 10:06:27,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 10:06:27,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 10:06:27,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 10:06:27,739 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 10:06:27,739 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 10:06:27,741 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-22 10:06:27,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee5821b7/6c6d68e6dcfc4ce7afd15992267914ec/FLAGf5bb46362 [2019-11-22 10:06:28,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 10:06:28,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-22 10:06:28,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee5821b7/6c6d68e6dcfc4ce7afd15992267914ec/FLAGf5bb46362 [2019-11-22 10:06:28,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee5821b7/6c6d68e6dcfc4ce7afd15992267914ec [2019-11-22 10:06:28,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 10:06:28,635 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 10:06:28,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 10:06:28,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 10:06:28,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 10:06:28,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:06:28" (1/1) ... [2019-11-22 10:06:28,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374bf11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:28, skipping insertion in model container [2019-11-22 10:06:28,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:06:28" (1/1) ... [2019-11-22 10:06:28,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 10:06:28,712 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:06:29,124 INFO L965 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 [2019-11-22 10:06:29,125 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-22 10:06:29,125 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:06:29,137 INFO L965 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 [2019-11-22 10:06:29,137 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-22 10:06:29,138 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:06:29,140 INFO L965 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 [2019-11-22 10:06:29,140 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-22 10:06:29,141 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:06:29,143 INFO L965 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 [2019-11-22 10:06:29,144 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-22 10:06:29,144 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:06:29,167 INFO L965 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 [2019-11-22 10:06:29,168 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-22 10:06:29,168 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:06:29,177 INFO L965 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 [2019-11-22 10:06:29,178 INFO L968 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [759] [2019-11-22 10:06:29,178 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-22 10:06:29,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:06:29,204 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 10:06:29,229 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-22 10:06:29,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:06:29,343 INFO L201 MainTranslator]: Completed pre-run [2019-11-22 10:06:29,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 10:06:29,503 INFO L205 MainTranslator]: Completed translation [2019-11-22 10:06:29,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29 WrapperNode [2019-11-22 10:06:29,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 10:06:29,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 10:06:29,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 10:06:29,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 10:06:29,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29" (1/1) ... [2019-11-22 10:06:29,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29" (1/1) ... [2019-11-22 10:06:29,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29" (1/1) ... [2019-11-22 10:06:29,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29" (1/1) ... [2019-11-22 10:06:29,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29" (1/1) ... [2019-11-22 10:06:29,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29" (1/1) ... [2019-11-22 10:06:29,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29" (1/1) ... [2019-11-22 10:06:29,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 10:06:29,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 10:06:29,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 10:06:29,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 10:06:29,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29" (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 [2019-11-22 10:06:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 10:06:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 10:06:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:06:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:06:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 10:06:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 10:06:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 10:06:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 10:06:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 10:06:29,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 10:06:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 10:06:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 10:06:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 10:06:29,679 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:06:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 10:06:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 10:06:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 10:06:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 10:06:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 10:06:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 10:06:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 10:06:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 10:06:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 10:06:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 10:06:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 10:06:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 10:06:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 10:06:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 10:06:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 10:06:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 10:06:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 10:06:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 10:06:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 10:06:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 10:06:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 10:06:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 10:06:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 10:06:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 10:06:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 10:06:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 10:06:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 10:06:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 10:06:29,686 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 10:06:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 10:06:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 10:06:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 10:06:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 10:06:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 10:06:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 10:06:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 10:06:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 10:06:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 10:06:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 10:06:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 10:06:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 10:06:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 10:06:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 10:06:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 10:06:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 10:06:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 10:06:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 10:06:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 10:06:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 10:06:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 10:06:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 10:06:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 10:06:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 10:06:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 10:06:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 10:06:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 10:06:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 10:06:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 10:06:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 10:06:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 10:06:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 10:06:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 10:06:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 10:06:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 10:06:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 10:06:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 10:06:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 10:06:29,694 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 10:06:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 10:06:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 10:06:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 10:06:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 10:06:29,695 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 10:06:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 10:06:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 10:06:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 10:06:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 10:06:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 10:06:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 10:06:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 10:06:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 10:06:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 10:06:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 10:06:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 10:06:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 10:06:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 10:06:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 10:06:29,698 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 10:06:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 10:06:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 10:06:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 10:06:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 10:06:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 10:06:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 10:06:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 10:06:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 10:06:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 10:06:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 10:06:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 10:06:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 10:06:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 10:06:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 10:06:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 10:06:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 10:06:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 10:06:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 10:06:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 10:06:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 10:06:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 10:06:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 10:06:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 10:06:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 10:06:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 10:06:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 10:06:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 10:06:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 10:06:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 10:06:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 10:06:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 10:06:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 10:06:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 10:06:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 10:06:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 10:06:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 10:06:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 10:06:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 10:06:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 10:06:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 10:06:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 10:06:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 10:06:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 10:06:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 10:06:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 10:06:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 10:06:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 10:06:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 10:06:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 10:06:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 10:06:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 10:06:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 10:06:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 10:06:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 10:06:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 10:06:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 10:06:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 10:06:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 10:06:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 10:06:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 10:06:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 10:06:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 10:06:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 10:06:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 10:06:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 10:06:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 10:06:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 10:06:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 10:06:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 10:06:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 10:06:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 10:06:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 10:06:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 10:06:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 10:06:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 10:06:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 10:06:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 10:06:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 10:06:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 10:06:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 10:06:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 10:06:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 10:06:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 10:06:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 10:06:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 10:06:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 10:06:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 10:06:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 10:06:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 10:06:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 10:06:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 10:06:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 10:06:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 10:06:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 10:06:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 10:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 10:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 10:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 10:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 10:06:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 10:06:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 10:06:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 10:06:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 10:06:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 10:06:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 10:06:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 10:06:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 10:06:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 10:06:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 10:06:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 10:06:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 10:06:30,369 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:06:30,797 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 10:06:31,158 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 10:06:31,158 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 10:06:31,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:06:31 BoogieIcfgContainer [2019-11-22 10:06:31,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 10:06:31,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 10:06:31,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 10:06:31,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 10:06:31,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:06:28" (1/3) ... [2019-11-22 10:06:31,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77bc58f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:06:31, skipping insertion in model container [2019-11-22 10:06:31,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:29" (2/3) ... [2019-11-22 10:06:31,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77bc58f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:06:31, skipping insertion in model container [2019-11-22 10:06:31,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:06:31" (3/3) ... [2019-11-22 10:06:31,170 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2019-11-22 10:06:31,181 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 10:06:31,190 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-22 10:06:31,204 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-22 10:06:31,229 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 10:06:31,229 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 10:06:31,229 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 10:06:31,229 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 10:06:31,230 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 10:06:31,230 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 10:06:31,230 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 10:06:31,230 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 10:06:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-11-22 10:06:31,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-22 10:06:31,267 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:06:31,268 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:06:31,270 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:06:31,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:06:31,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2019-11-22 10:06:31,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:06:31,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1854703935] [2019-11-22 10:06:31,294 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 [2019-11-22 10:06:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:06:31,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:06:31,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:06:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:31,700 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:06:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:31,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1854703935] [2019-11-22 10:06:31,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:06:31,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 10:06:31,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975585355] [2019-11-22 10:06:31,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:06:31,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:06:31,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:06:31,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:06:31,785 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2019-11-22 10:06:31,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:06:31,817 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-22 10:06:31,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:06:31,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-22 10:06:31,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:06:31,830 INFO L225 Difference]: With dead ends: 24 [2019-11-22 10:06:31,831 INFO L226 Difference]: Without dead ends: 21 [2019-11-22 10:06:31,833 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:06:31,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-22 10:06:31,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-22 10:06:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-22 10:06:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-22 10:06:31,872 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2019-11-22 10:06:31,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:06:31,873 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-22 10:06:31,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:06:31,873 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-22 10:06:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-22 10:06:31,874 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:06:31,874 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:06:32,079 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:06:32,079 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:06:32,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:06:32,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2019-11-22 10:06:32,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:06:32,081 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [711043156] [2019-11-22 10:06:32,081 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 [2019-11-22 10:06:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:06:32,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:06:32,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:06:32,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:32,381 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:06:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:32,425 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [711043156] [2019-11-22 10:06:32,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:06:32,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 10:06:32,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523615338] [2019-11-22 10:06:32,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:06:32,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:06:32,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:06:32,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:06:32,430 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 5 states. [2019-11-22 10:06:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:06:32,483 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-22 10:06:32,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:06:32,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-22 10:06:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:06:32,484 INFO L225 Difference]: With dead ends: 26 [2019-11-22 10:06:32,484 INFO L226 Difference]: Without dead ends: 26 [2019-11-22 10:06:32,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:06:32,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-22 10:06:32,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-22 10:06:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-22 10:06:32,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-22 10:06:32,491 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 14 [2019-11-22 10:06:32,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:06:32,492 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-22 10:06:32,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:06:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-22 10:06:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-22 10:06:32,493 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:06:32,493 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:06:32,697 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:06:32,697 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:06:32,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:06:32,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1149259986, now seen corresponding path program 1 times [2019-11-22 10:06:32,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:06:32,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1887942162] [2019-11-22 10:06:32,699 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 [2019-11-22 10:06:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:06:32,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:06:32,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:06:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:32,991 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:06:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:33,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1887942162] [2019-11-22 10:06:33,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:06:33,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-22 10:06:33,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796177366] [2019-11-22 10:06:33,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-22 10:06:33,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:06:33,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-22 10:06:33,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-22 10:06:33,066 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2019-11-22 10:06:33,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:06:33,276 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-11-22 10:06:33,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 10:06:33,277 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-22 10:06:33,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:06:33,281 INFO L225 Difference]: With dead ends: 28 [2019-11-22 10:06:33,282 INFO L226 Difference]: Without dead ends: 28 [2019-11-22 10:06:33,283 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-22 10:06:33,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-22 10:06:33,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2019-11-22 10:06:33,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-22 10:06:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-22 10:06:33,295 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 14 [2019-11-22 10:06:33,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:06:33,296 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-22 10:06:33,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-22 10:06:33,296 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-22 10:06:33,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-22 10:06:33,298 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:06:33,298 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:06:33,500 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:06:33,502 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:06:33,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:06:33,502 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2019-11-22 10:06:33,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:06:33,503 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2008638334] [2019-11-22 10:06:33,504 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 [2019-11-22 10:06:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:06:33,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 10:06:33,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:06:33,789 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 [2019-11-22 10:06:33,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:06:33,795 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:06:33,796 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 10:06:33,796 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 10:06:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:33,817 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:06:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:33,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2008638334] [2019-11-22 10:06:33,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 10:06:33,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 10:06:33,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449633376] [2019-11-22 10:06:33,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 10:06:33,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 10:06:33,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 10:06:33,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:06:33,866 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2019-11-22 10:06:33,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 10:06:33,903 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-11-22 10:06:33,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 10:06:33,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-22 10:06:33,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 10:06:33,904 INFO L225 Difference]: With dead ends: 25 [2019-11-22 10:06:33,904 INFO L226 Difference]: Without dead ends: 25 [2019-11-22 10:06:33,905 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 10:06:33,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-22 10:06:33,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2019-11-22 10:06:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-22 10:06:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-22 10:06:33,909 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2019-11-22 10:06:33,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 10:06:33,909 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-22 10:06:33,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 10:06:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-22 10:06:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-22 10:06:33,910 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 10:06:33,911 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 10:06:34,117 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:06:34,118 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 10:06:34,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 10:06:34,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2019-11-22 10:06:34,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 10:06:34,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [228125986] [2019-11-22 10:06:34,119 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 [2019-11-22 10:06:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 10:06:34,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-22 10:06:34,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 10:06:34,405 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 10:06:34,405 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 [2019-11-22 10:06:34,406 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 10:06:34,424 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-22 10:06:34,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:34,428 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. [2019-11-22 10:06:34,429 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-22 10:06:34,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:34,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:34,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:34,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 10:06:40,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 10:06:40,738 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 10:06:45,131 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 10:06:45,132 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 10:06:45,137 INFO L168 Benchmark]: Toolchain (without parser) took 16502.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -71.7 MB). Peak memory consumption was 129.7 MB. Max. memory is 11.5 GB. [2019-11-22 10:06:45,138 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 10:06:45,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 868.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -106.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-22 10:06:45,139 INFO L168 Benchmark]: Boogie Preprocessor took 113.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 10:06:45,140 INFO L168 Benchmark]: RCFGBuilder took 1541.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 947.6 MB in the end (delta: 113.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 11.5 GB. [2019-11-22 10:06:45,141 INFO L168 Benchmark]: TraceAbstraction took 13974.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 947.6 MB in the beginning and 1.0 GB in the end (delta: -84.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2019-11-22 10:06:45,144 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 868.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -106.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1541.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 947.6 MB in the end (delta: 113.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13974.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 947.6 MB in the beginning and 1.0 GB in the end (delta: -84.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...