./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 264dba86 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 308780b81e2d0866a989f5189e54a3384f9af47c --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-264dba8 [2019-11-21 11:20:22,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-21 11:20:22,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-21 11:20:22,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-21 11:20:22,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-21 11:20:22,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-21 11:20:22,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-21 11:20:22,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-21 11:20:22,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-21 11:20:22,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-21 11:20:22,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-21 11:20:22,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-21 11:20:22,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-21 11:20:22,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-21 11:20:22,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-21 11:20:22,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-21 11:20:22,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-21 11:20:22,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-21 11:20:22,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-21 11:20:22,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-21 11:20:22,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-21 11:20:22,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-21 11:20:22,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-21 11:20:22,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-21 11:20:22,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-21 11:20:22,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-21 11:20:22,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-21 11:20:22,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-21 11:20:22,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-21 11:20:22,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-21 11:20:22,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-21 11:20:22,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-21 11:20:22,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-21 11:20:22,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-21 11:20:22,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-21 11:20:22,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-21 11:20:22,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-21 11:20:22,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-21 11:20:22,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-21 11:20:22,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-21 11:20:22,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-21 11:20:22,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-21 11:20:22,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-21 11:20:22,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-21 11:20:22,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-21 11:20:22,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-21 11:20:22,358 INFO L138 SettingsManager]: * Use SBE=true [2019-11-21 11:20:22,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-21 11:20:22,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-21 11:20:22,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-21 11:20:22,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-21 11:20:22,360 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-21 11:20:22,361 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-21 11:20:22,361 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-21 11:20:22,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-21 11:20:22,362 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-21 11:20:22,362 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-21 11:20:22,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-21 11:20:22,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-21 11:20:22,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-21 11:20:22,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-21 11:20:22,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-21 11:20:22,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:20:22,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-21 11:20:22,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-21 11:20:22,365 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-21 11:20:22,366 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-21 11:20:22,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-21 11:20:22,366 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 308780b81e2d0866a989f5189e54a3384f9af47c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-21 11:20:22,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-21 11:20:22,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-21 11:20:22,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-21 11:20:22,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-21 11:20:22,714 INFO L275 PluginConnector]: CDTParser initialized [2019-11-21 11:20:22,715 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-11-21 11:20:22,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed284c4e/eef6374ae3264246aa37052928e1761e/FLAG6b984a2d0 [2019-11-21 11:20:23,312 INFO L306 CDTParser]: Found 1 translation units. [2019-11-21 11:20:23,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-11-21 11:20:23,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed284c4e/eef6374ae3264246aa37052928e1761e/FLAG6b984a2d0 [2019-11-21 11:20:23,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed284c4e/eef6374ae3264246aa37052928e1761e [2019-11-21 11:20:23,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-21 11:20:23,582 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-21 11:20:23,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-21 11:20:23,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-21 11:20:23,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-21 11:20:23,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:23" (1/1) ... [2019-11-21 11:20:23,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e74b162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:23, skipping insertion in model container [2019-11-21 11:20:23,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:23" (1/1) ... [2019-11-21 11:20:23,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-21 11:20:23,667 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:20:24,090 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:20:24,091 INFO L969 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-21 11:20:24,091 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:20:24,118 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:20:24,118 INFO L969 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-21 11:20:24,119 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:20:24,124 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:20:24,125 INFO L969 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-21 11:20:24,125 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:20:24,130 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:20:24,130 INFO L969 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-21 11:20:24,131 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:20:24,160 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:20:24,161 INFO L969 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-21 11:20:24,161 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:20:24,170 INFO L966 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-21 11:20:24,171 INFO L969 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [760] [2019-11-21 11:20:24,171 INFO L970 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-21 11:20:24,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:20:24,200 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-21 11:20:24,226 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-21 11:20:24,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:20:24,319 INFO L201 MainTranslator]: Completed pre-run [2019-11-21 11:20:24,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-21 11:20:24,507 INFO L205 MainTranslator]: Completed translation [2019-11-21 11:20:24,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24 WrapperNode [2019-11-21 11:20:24,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-21 11:20:24,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-21 11:20:24,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-21 11:20:24,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-21 11:20:24,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24" (1/1) ... [2019-11-21 11:20:24,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24" (1/1) ... [2019-11-21 11:20:24,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24" (1/1) ... [2019-11-21 11:20:24,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24" (1/1) ... [2019-11-21 11:20:24,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24" (1/1) ... [2019-11-21 11:20:24,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24" (1/1) ... [2019-11-21 11:20:24,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24" (1/1) ... [2019-11-21 11:20:24,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-21 11:20:24,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-21 11:20:24,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-21 11:20:24,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-21 11:20:24,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-21 11:20:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-21 11:20:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-21 11:20:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:20:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-21 11:20:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-21 11:20:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-21 11:20:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-21 11:20:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-21 11:20:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-21 11:20:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-21 11:20:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-21 11:20:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-21 11:20:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:20:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-21 11:20:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-21 11:20:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-21 11:20:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-21 11:20:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-21 11:20:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-21 11:20:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-21 11:20:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-21 11:20:24,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-21 11:20:24,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-21 11:20:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-21 11:20:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-21 11:20:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-21 11:20:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-21 11:20:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-21 11:20:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-21 11:20:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-21 11:20:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-21 11:20:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-21 11:20:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-21 11:20:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-21 11:20:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-21 11:20:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-21 11:20:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-21 11:20:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-21 11:20:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-21 11:20:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-21 11:20:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-21 11:20:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2019-11-21 11:20:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2019-11-21 11:20:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-21 11:20:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-21 11:20:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-21 11:20:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-21 11:20:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-21 11:20:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-21 11:20:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-21 11:20:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-21 11:20:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-21 11:20:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-21 11:20:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-21 11:20:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-21 11:20:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-21 11:20:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-21 11:20:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-21 11:20:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-21 11:20:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-21 11:20:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-21 11:20:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-21 11:20:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-21 11:20:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-21 11:20:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-21 11:20:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-21 11:20:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-21 11:20:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-21 11:20:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-21 11:20:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-21 11:20:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-21 11:20:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-21 11:20:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-21 11:20:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-21 11:20:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-21 11:20:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-21 11:20:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-21 11:20:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-21 11:20:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-21 11:20:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-21 11:20:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-21 11:20:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-21 11:20:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-21 11:20:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-21 11:20:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-21 11:20:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-21 11:20:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-21 11:20:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-21 11:20:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-21 11:20:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-21 11:20:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-21 11:20:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-21 11:20:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-21 11:20:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-21 11:20:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-21 11:20:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-21 11:20:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-21 11:20:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-21 11:20:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-21 11:20:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-21 11:20:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-21 11:20:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-21 11:20:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-21 11:20:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-21 11:20:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-21 11:20:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-21 11:20:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-21 11:20:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-21 11:20:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-21 11:20:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-21 11:20:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-21 11:20:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-21 11:20:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-21 11:20:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-21 11:20:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-21 11:20:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-21 11:20:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-21 11:20:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-21 11:20:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-21 11:20:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-21 11:20:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-21 11:20:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-21 11:20:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-21 11:20:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-21 11:20:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-21 11:20:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-21 11:20:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-21 11:20:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-21 11:20:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-21 11:20:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-21 11:20:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-21 11:20:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-21 11:20:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-21 11:20:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-21 11:20:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-21 11:20:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-21 11:20:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-21 11:20:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-21 11:20:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-21 11:20:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-21 11:20:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-21 11:20:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-21 11:20:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-21 11:20:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-21 11:20:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-21 11:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-21 11:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-21 11:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-21 11:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-21 11:20:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-21 11:20:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-21 11:20:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-21 11:20:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-21 11:20:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-21 11:20:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-21 11:20:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-21 11:20:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-21 11:20:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-21 11:20:24,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-21 11:20:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-21 11:20:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-21 11:20:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-21 11:20:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-21 11:20:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-21 11:20:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-21 11:20:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-21 11:20:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-21 11:20:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-21 11:20:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-21 11:20:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-21 11:20:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-21 11:20:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-21 11:20:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-21 11:20:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-21 11:20:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-21 11:20:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-21 11:20:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-21 11:20:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-21 11:20:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-21 11:20:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-21 11:20:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-21 11:20:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-21 11:20:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-21 11:20:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-21 11:20:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-21 11:20:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-21 11:20:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-21 11:20:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-21 11:20:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-21 11:20:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-21 11:20:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-21 11:20:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-21 11:20:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-21 11:20:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-21 11:20:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-21 11:20:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-21 11:20:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-21 11:20:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-21 11:20:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-21 11:20:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-21 11:20:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-21 11:20:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-21 11:20:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-21 11:20:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2019-11-21 11:20:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2019-11-21 11:20:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-21 11:20:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-21 11:20:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-21 11:20:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-21 11:20:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-21 11:20:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-21 11:20:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-21 11:20:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-21 11:20:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-21 11:20:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-21 11:20:25,433 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:20:25,825 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-21 11:20:26,180 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-21 11:20:26,180 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-21 11:20:26,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:20:26 BoogieIcfgContainer [2019-11-21 11:20:26,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-21 11:20:26,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-21 11:20:26,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-21 11:20:26,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-21 11:20:26,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:20:23" (1/3) ... [2019-11-21 11:20:26,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4e2c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:20:26, skipping insertion in model container [2019-11-21 11:20:26,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:24" (2/3) ... [2019-11-21 11:20:26,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4e2c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:20:26, skipping insertion in model container [2019-11-21 11:20:26,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:20:26" (3/3) ... [2019-11-21 11:20:26,193 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2019-11-21 11:20:26,204 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-21 11:20:26,215 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-21 11:20:26,229 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-21 11:20:26,255 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-21 11:20:26,256 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-21 11:20:26,256 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-21 11:20:26,256 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-21 11:20:26,256 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-21 11:20:26,257 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-21 11:20:26,263 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-21 11:20:26,264 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-21 11:20:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-21 11:20:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-21 11:20:26,308 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:20:26,309 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:20:26,310 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:20:26,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:20:26,316 INFO L82 PathProgramCache]: Analyzing trace with hash 432015214, now seen corresponding path program 1 times [2019-11-21 11:20:26,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:20:26,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [268358250] [2019-11-21 11:20:26,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:20:26,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:20:26,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:20:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:20:26,762 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:20:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:20:26,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [268358250] [2019-11-21 11:20:26,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:20:26,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 11:20:26,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789598274] [2019-11-21 11:20:26,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:20:26,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:20:26,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:20:26,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:20:26,890 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 5 states. [2019-11-21 11:20:26,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:20:26,989 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2019-11-21 11:20:26,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:20:26,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-21 11:20:26,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:20:27,005 INFO L225 Difference]: With dead ends: 33 [2019-11-21 11:20:27,006 INFO L226 Difference]: Without dead ends: 30 [2019-11-21 11:20:27,009 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-21 11:20:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-21 11:20:27,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-21 11:20:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-21 11:20:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2019-11-21 11:20:27,086 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2019-11-21 11:20:27,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:20:27,087 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2019-11-21 11:20:27,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:20:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2019-11-21 11:20:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-21 11:20:27,089 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:20:27,089 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:20:27,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:27,293 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:20:27,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:20:27,293 INFO L82 PathProgramCache]: Analyzing trace with hash 507570031, now seen corresponding path program 1 times [2019-11-21 11:20:27,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:20:27,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1744401526] [2019-11-21 11:20:27,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:20:27,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-21 11:20:27,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:20:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:20:27,671 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:20:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:20:27,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1744401526] [2019-11-21 11:20:27,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:20:27,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-21 11:20:27,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621465966] [2019-11-21 11:20:27,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-21 11:20:27,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:20:27,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-21 11:20:27,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:20:27,838 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 9 states. [2019-11-21 11:20:28,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:20:28,007 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2019-11-21 11:20:28,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:20:28,008 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2019-11-21 11:20:28,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:20:28,009 INFO L225 Difference]: With dead ends: 29 [2019-11-21 11:20:28,010 INFO L226 Difference]: Without dead ends: 29 [2019-11-21 11:20:28,011 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-11-21 11:20:28,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-21 11:20:28,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-21 11:20:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-21 11:20:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-11-21 11:20:28,017 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 19 [2019-11-21 11:20:28,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:20:28,018 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-11-21 11:20:28,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-21 11:20:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-11-21 11:20:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:20:28,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:20:28,020 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:20:28,223 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:28,223 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:20:28,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:20:28,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1445197936, now seen corresponding path program 1 times [2019-11-21 11:20:28,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:20:28,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1599503408] [2019-11-21 11:20:28,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:20:28,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-21 11:20:28,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:20:28,560 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-21 11:20:28,561 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-21 11:20:28,566 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-21 11:20:28,567 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-21 11:20:28,567 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-21 11:20:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:20:28,589 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:20:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:20:28,692 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1599503408] [2019-11-21 11:20:28,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:20:28,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-21 11:20:28,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202102987] [2019-11-21 11:20:28,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-21 11:20:28,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:20:28,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-21 11:20:28,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:20:28,694 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 5 states. [2019-11-21 11:20:28,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:20:28,770 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2019-11-21 11:20:28,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-21 11:20:28,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-21 11:20:28,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:20:28,775 INFO L225 Difference]: With dead ends: 43 [2019-11-21 11:20:28,775 INFO L226 Difference]: Without dead ends: 43 [2019-11-21 11:20:28,775 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-21 11:20:28,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-21 11:20:28,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2019-11-21 11:20:28,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-21 11:20:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-11-21 11:20:28,798 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 20 [2019-11-21 11:20:28,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:20:28,798 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-11-21 11:20:28,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-21 11:20:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-11-21 11:20:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-21 11:20:28,799 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:20:28,800 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:20:29,010 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:29,011 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:20:29,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:20:29,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1052818001, now seen corresponding path program 1 times [2019-11-21 11:20:29,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:20:29,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1625185798] [2019-11-21 11:20:29,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:20:29,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:20:29,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:20:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:20:29,261 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:20:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-21 11:20:29,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1625185798] [2019-11-21 11:20:29,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:20:29,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-21 11:20:29,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159185443] [2019-11-21 11:20:29,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 11:20:29,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:20:29,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 11:20:29,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:20:29,326 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 6 states. [2019-11-21 11:20:29,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:20:29,399 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2019-11-21 11:20:29,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:20:29,403 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-11-21 11:20:29,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:20:29,404 INFO L225 Difference]: With dead ends: 50 [2019-11-21 11:20:29,404 INFO L226 Difference]: Without dead ends: 48 [2019-11-21 11:20:29,405 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-21 11:20:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-21 11:20:29,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2019-11-21 11:20:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-21 11:20:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2019-11-21 11:20:29,421 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 20 [2019-11-21 11:20:29,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:20:29,421 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2019-11-21 11:20:29,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 11:20:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2019-11-21 11:20:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-21 11:20:29,424 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:20:29,424 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:20:29,627 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:29,628 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:20:29,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:20:29,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1855624532, now seen corresponding path program 1 times [2019-11-21 11:20:29,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:20:29,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [94992736] [2019-11-21 11:20:29,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-21 11:20:29,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-21 11:20:29,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-21 11:20:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-21 11:20:29,883 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-21 11:20:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-21 11:20:30,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [94992736] [2019-11-21 11:20:30,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-21 11:20:30,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 6 [2019-11-21 11:20:30,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554488876] [2019-11-21 11:20:30,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-21 11:20:30,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-21 11:20:30,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-21 11:20:30,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-21 11:20:30,042 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand 6 states. [2019-11-21 11:20:30,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-21 11:20:30,126 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2019-11-21 11:20:30,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-21 11:20:30,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-11-21 11:20:30,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-21 11:20:30,128 INFO L225 Difference]: With dead ends: 45 [2019-11-21 11:20:30,128 INFO L226 Difference]: Without dead ends: 45 [2019-11-21 11:20:30,129 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-21 11:20:30,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-21 11:20:30,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2019-11-21 11:20:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-21 11:20:30,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-21 11:20:30,135 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 27 [2019-11-21 11:20:30,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-21 11:20:30,136 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-21 11:20:30,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-21 11:20:30,136 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-21 11:20:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-21 11:20:30,137 INFO L402 BasicCegarLoop]: Found error trace [2019-11-21 11:20:30,137 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-21 11:20:30,346 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:30,347 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-21 11:20:30,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-21 11:20:30,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1559590888, now seen corresponding path program 1 times [2019-11-21 11:20:30,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-21 11:20:30,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1154243775] [2019-11-21 11:20:30,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-21 11:20:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-21 11:20:30,694 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-21 11:20:30,694 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-21 11:20:30,898 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-21 11:20:30,920 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,923 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,924 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-21 11:20:30,924 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-21 11:20:30,925 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,926 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,926 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,929 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,929 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,930 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,932 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,932 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,932 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,934 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,934 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,934 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,935 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,936 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,936 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,939 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,939 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,940 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,940 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,940 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,941 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,944 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,944 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,945 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,945 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,945 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,946 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,946 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,946 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,949 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,949 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,949 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:20:30 BoogieIcfgContainer [2019-11-21 11:20:30,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-21 11:20:30,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-21 11:20:30,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-21 11:20:30,962 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-21 11:20:30,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:20:26" (3/4) ... [2019-11-21 11:20:30,964 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-21 11:20:30,971 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,971 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-21 11:20:30,972 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-21 11:20:30,972 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,972 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,972 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,973 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,973 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,973 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,973 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,974 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,974 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,974 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,974 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,975 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,975 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,975 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,975 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,976 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,976 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,976 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,976 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,977 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,977 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,977 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,977 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,978 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,978 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,978 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,978 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,979 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,979 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,979 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,979 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,980 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:30,980 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-21 11:20:31,023 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-21 11:20:31,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-21 11:20:31,025 INFO L168 Benchmark]: Toolchain (without parser) took 7442.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 956.3 MB in the beginning and 934.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. [2019-11-21 11:20:31,025 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-21 11:20:31,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 925.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -98.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-21 11:20:31,026 INFO L168 Benchmark]: Boogie Preprocessor took 123.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-21 11:20:31,031 INFO L168 Benchmark]: RCFGBuilder took 1547.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 936.0 MB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. [2019-11-21 11:20:31,032 INFO L168 Benchmark]: TraceAbstraction took 4774.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 936.0 MB in the beginning and 942.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. [2019-11-21 11:20:31,032 INFO L168 Benchmark]: Witness Printer took 61.56 ms. Allocated memory is still 1.2 GB. Free memory was 942.0 MB in the beginning and 934.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2019-11-21 11:20:31,036 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 925.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -98.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 123.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1547.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 936.0 MB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4774.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 936.0 MB in the beginning and 942.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. * Witness Printer took 61.56 ms. Allocated memory is still 1.2 GB. Free memory was 942.0 MB in the beginning and 934.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L758] int *a8; VAL [\old(a8)=null, \old(a8)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L772] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L766] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L760] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, \result={16382:0}, a8={0:0}, ldv_global_msg_list={2147467265:0}, malloc(size)={16382:0}, size=4] [L760] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}, ldv_malloc(sizeof(int))={16382:0}] [L760] a8 = (int *)ldv_malloc(sizeof(int)) [L766] RET alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L767] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) [L767] RET free_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L768] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L763] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 338 locations, 74 error locations. Result: UNSAFE, OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 152 SDtfs, 111 SDslu, 325 SDs, 0 SdLazy, 173 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 10052 SizeOfPredicates, 8 NumberOfNonLiveVariables, 465 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...