./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79a252c986c7b06f14f3ee394685573049ad76fb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:55:49,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:49,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:49,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:49,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:49,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:49,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:49,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:49,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:49,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:49,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:49,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:49,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:49,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:49,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:49,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:49,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:49,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:49,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:49,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:49,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:49,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:49,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:49,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:49,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:49,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:49,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:49,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:49,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:49,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:49,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:49,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:49,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:49,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:49,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:49,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:49,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:49,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:49,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:49,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:49,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:49,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-25 08:55:49,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:49,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:49,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:49,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:49,229 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:49,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:49,230 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:49,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:55:49,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:49,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:49,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:49,231 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 08:55:49,231 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 08:55:49,232 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 08:55:49,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:55:49,232 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:55:49,232 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:55:49,233 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:49,233 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:49,233 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:49,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:49,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:49,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:55:49,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:55:49,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:49,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:49,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:55:49,235 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:55:49,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:55:49,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:55:49,236 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79a252c986c7b06f14f3ee394685573049ad76fb [2019-11-25 08:55:49,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:49,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:49,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:49,423 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:49,423 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:49,424 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-11-25 08:55:49,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/data/d3b72116e/1277e733273142a197476f284e87868c/FLAG83c017260 [2019-11-25 08:55:49,978 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:49,979 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-11-25 08:55:50,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/data/d3b72116e/1277e733273142a197476f284e87868c/FLAG83c017260 [2019-11-25 08:55:50,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/data/d3b72116e/1277e733273142a197476f284e87868c [2019-11-25 08:55:50,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:50,501 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 08:55:50,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:50,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:50,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:50,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:50" (1/1) ... [2019-11-25 08:55:50,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e69035c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:50, skipping insertion in model container [2019-11-25 08:55:50,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:50" (1/1) ... [2019-11-25 08:55:50,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:50,562 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:50,931 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:55:50,932 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [576] [2019-11-25 08:55:50,932 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:50,942 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:55:50,943 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [607] [2019-11-25 08:55:50,943 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:50,945 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:55:50,945 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [607] [2019-11-25 08:55:50,946 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:50,948 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:55:50,948 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [607] [2019-11-25 08:55:50,949 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:50,969 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:55:50,969 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [706] [2019-11-25 08:55:50,969 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:50,977 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-25 08:55:50,978 INFO L968 CHandler]: at location: C: (int *)ldv_malloc(sizeof(int)) [759] [2019-11-25 08:55:50,978 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:50,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:50,999 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 08:55:51,015 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:51,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:51,066 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:51,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:51,229 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:51,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51 WrapperNode [2019-11-25 08:55:51,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:51,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:51,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:51,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:51,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51" (1/1) ... [2019-11-25 08:55:51,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51" (1/1) ... [2019-11-25 08:55:51,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51" (1/1) ... [2019-11-25 08:55:51,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51" (1/1) ... [2019-11-25 08:55:51,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51" (1/1) ... [2019-11-25 08:55:51,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51" (1/1) ... [2019-11-25 08:55:51,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51" (1/1) ... [2019-11-25 08:55:51,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:51,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:51,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:51,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:51,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 08:55:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 08:55:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 08:55:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 08:55:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 08:55:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 08:55:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 08:55:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 08:55:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 08:55:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 08:55:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 08:55:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 08:55:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 08:55:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 08:55:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 08:55:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 08:55:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 08:55:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 08:55:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 08:55:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 08:55:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 08:55:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 08:55:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 08:55:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 08:55:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 08:55:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 08:55:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 08:55:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 08:55:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 08:55:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 08:55:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 08:55:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 08:55:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 08:55:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 08:55:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 08:55:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 08:55:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 08:55:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 08:55:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 08:55:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 08:55:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 08:55:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2019-11-25 08:55:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2019-11-25 08:55:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 08:55:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 08:55:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 08:55:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 08:55:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 08:55:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 08:55:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 08:55:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 08:55:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 08:55:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 08:55:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 08:55:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 08:55:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 08:55:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 08:55:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 08:55:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 08:55:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 08:55:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 08:55:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 08:55:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 08:55:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 08:55:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 08:55:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 08:55:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 08:55:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 08:55:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 08:55:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 08:55:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 08:55:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 08:55:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 08:55:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 08:55:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 08:55:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 08:55:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 08:55:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 08:55:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 08:55:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 08:55:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 08:55:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 08:55:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 08:55:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 08:55:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 08:55:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 08:55:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 08:55:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 08:55:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 08:55:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 08:55:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 08:55:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 08:55:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 08:55:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 08:55:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 08:55:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 08:55:51,458 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 08:55:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 08:55:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 08:55:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 08:55:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 08:55:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 08:55:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 08:55:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 08:55:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 08:55:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 08:55:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 08:55:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 08:55:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 08:55:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 08:55:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 08:55:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 08:55:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 08:55:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 08:55:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 08:55:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 08:55:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 08:55:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 08:55:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 08:55:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 08:55:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 08:55:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 08:55:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 08:55:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 08:55:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 08:55:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 08:55:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 08:55:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 08:55:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 08:55:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 08:55:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 08:55:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 08:55:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 08:55:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 08:55:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 08:55:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 08:55:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 08:55:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 08:55:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 08:55:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 08:55:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 08:55:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 08:55:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 08:55:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 08:55:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 08:55:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 08:55:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 08:55:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 08:55:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 08:55:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 08:55:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 08:55:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 08:55:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 08:55:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 08:55:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 08:55:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 08:55:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 08:55:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 08:55:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 08:55:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 08:55:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 08:55:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 08:55:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:55:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 08:55:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 08:55:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 08:55:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 08:55:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 08:55:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 08:55:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 08:55:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:55:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 08:55:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 08:55:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 08:55:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 08:55:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 08:55:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 08:55:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:55:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 08:55:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 08:55:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 08:55:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 08:55:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 08:55:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:55:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:55:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 08:55:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 08:55:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 08:55:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 08:55:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 08:55:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 08:55:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 08:55:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 08:55:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 08:55:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 08:55:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 08:55:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 08:55:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 08:55:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 08:55:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 08:55:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 08:55:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 08:55:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2019-11-25 08:55:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2019-11-25 08:55:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 08:55:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 08:55:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 08:55:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 08:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 08:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 08:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 08:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 08:55:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 08:55:52,083 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:55:52,542 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:55:52,878 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:52,878 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 08:55:52,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:52 BoogieIcfgContainer [2019-11-25 08:55:52,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:52,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:55:52,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:55:52,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:55:52,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:55:50" (1/3) ... [2019-11-25 08:55:52,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7044a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:52, skipping insertion in model container [2019-11-25 08:55:52,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:51" (2/3) ... [2019-11-25 08:55:52,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7044a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:52, skipping insertion in model container [2019-11-25 08:55:52,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:52" (3/3) ... [2019-11-25 08:55:52,891 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2019-11-25 08:55:52,899 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:55:52,908 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-25 08:55:52,918 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-25 08:55:52,941 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:55:52,942 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 08:55:52,946 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:55:52,946 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:52,947 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:52,947 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:55:52,947 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:52,947 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:55:52,968 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-25 08:55:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:55:52,978 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:52,979 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:52,980 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]=== [2019-11-25 08:55:52,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:52,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1046257618, now seen corresponding path program 1 times [2019-11-25 08:55:53,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:55:53,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1336503235] [2019-11-25 08:55:53,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:53,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:53,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:53,353 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:55:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:53,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1336503235] [2019-11-25 08:55:53,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:53,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 08:55:53,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824983795] [2019-11-25 08:55:53,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:55:53,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:55:53,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:55:53,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:53,500 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 5 states. [2019-11-25 08:55:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:53,571 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2019-11-25 08:55:53,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:55:53,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-25 08:55:53,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:53,583 INFO L225 Difference]: With dead ends: 33 [2019-11-25 08:55:53,583 INFO L226 Difference]: Without dead ends: 30 [2019-11-25 08:55:53,585 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 [2019-11-25 08:55:53,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-25 08:55:53,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-25 08:55:53,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-25 08:55:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2019-11-25 08:55:53,638 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2019-11-25 08:55:53,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:53,639 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2019-11-25 08:55:53,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:55:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2019-11-25 08:55:53,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:55:53,640 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:53,641 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:53,852 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:53,852 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]=== [2019-11-25 08:55:53,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:53,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1925752517, now seen corresponding path program 1 times [2019-11-25 08:55:53,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:55:53,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [473617891] [2019-11-25 08:55:53,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:54,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:55:54,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:54,232 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:55:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:54,377 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [473617891] [2019-11-25 08:55:54,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:54,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-25 08:55:54,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239821258] [2019-11-25 08:55:54,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 08:55:54,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:55:54,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 08:55:54,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:55:54,380 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 9 states. [2019-11-25 08:55:54,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:54,560 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2019-11-25 08:55:54,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:55:54,561 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2019-11-25 08:55:54,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:54,562 INFO L225 Difference]: With dead ends: 29 [2019-11-25 08:55:54,562 INFO L226 Difference]: Without dead ends: 29 [2019-11-25 08:55:54,563 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 [2019-11-25 08:55:54,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-25 08:55:54,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-25 08:55:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-25 08:55:54,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-11-25 08:55:54,568 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 19 [2019-11-25 08:55:54,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:54,568 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-11-25 08:55:54,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 08:55:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-11-25 08:55:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 08:55:54,570 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:54,570 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] [2019-11-25 08:55:54,777 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:54,778 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]=== [2019-11-25 08:55:54,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:54,778 INFO L82 PathProgramCache]: Analyzing trace with hash -431213808, now seen corresponding path program 1 times [2019-11-25 08:55:54,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:55:54,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [694854380] [2019-11-25 08:55:54,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:55,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:55:55,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:55,077 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 [2019-11-25 08:55:55,077 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:55:55,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:55,080 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:55:55,081 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 08:55:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:55,102 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:55:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:55,197 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [694854380] [2019-11-25 08:55:55,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:55,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 08:55:55,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564973314] [2019-11-25 08:55:55,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:55:55,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:55:55,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:55:55,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:55,198 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 5 states. [2019-11-25 08:55:55,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:55,288 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2019-11-25 08:55:55,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:55:55,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-25 08:55:55,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:55,292 INFO L225 Difference]: With dead ends: 43 [2019-11-25 08:55:55,292 INFO L226 Difference]: Without dead ends: 43 [2019-11-25 08:55:55,292 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 [2019-11-25 08:55:55,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-25 08:55:55,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2019-11-25 08:55:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-25 08:55:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-11-25 08:55:55,300 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 20 [2019-11-25 08:55:55,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:55,301 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-11-25 08:55:55,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:55:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-11-25 08:55:55,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 08:55:55,302 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:55,302 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] [2019-11-25 08:55:55,503 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:55,503 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]=== [2019-11-25 08:55:55,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:55,503 INFO L82 PathProgramCache]: Analyzing trace with hash 2066802129, now seen corresponding path program 1 times [2019-11-25 08:55:55,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:55:55,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [495703047] [2019-11-25 08:55:55,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:55,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:55,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:55,751 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:55:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:55,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [495703047] [2019-11-25 08:55:55,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:55,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-25 08:55:55,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892367679] [2019-11-25 08:55:55,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:55:55,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:55:55,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:55:55,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:55:55,808 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 6 states. [2019-11-25 08:55:55,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:55,883 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2019-11-25 08:55:55,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:55:55,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-11-25 08:55:55,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:55,887 INFO L225 Difference]: With dead ends: 50 [2019-11-25 08:55:55,887 INFO L226 Difference]: Without dead ends: 48 [2019-11-25 08:55:55,888 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 [2019-11-25 08:55:55,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-25 08:55:55,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2019-11-25 08:55:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-25 08:55:55,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2019-11-25 08:55:55,895 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 20 [2019-11-25 08:55:55,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:55,895 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2019-11-25 08:55:55,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:55:55,895 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2019-11-25 08:55:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-25 08:55:55,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:55,897 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] [2019-11-25 08:55:56,109 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:56,110 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]=== [2019-11-25 08:55:56,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:56,110 INFO L82 PathProgramCache]: Analyzing trace with hash -28410770, now seen corresponding path program 1 times [2019-11-25 08:55:56,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:55:56,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [728463675] [2019-11-25 08:55:56,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:56,536 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-25 08:55:56,536 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:55:56,736 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:55:56,755 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,756 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# [2019-11-25 08:55:56,756 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,756 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# [2019-11-25 08:55:56,757 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,757 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,757 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,758 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,758 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,758 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,759 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,759 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,760 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,760 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,760 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,761 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,761 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,761 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,762 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,762 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,762 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,762 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,763 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,763 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,763 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,764 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,764 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,764 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,764 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,765 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,765 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,765 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,766 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,766 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,766 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,766 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:55:56 BoogieIcfgContainer [2019-11-25 08:55:56,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:55:56,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:55:56,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:55:56,774 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:55:56,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:52" (3/4) ... [2019-11-25 08:55:56,776 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:55:56,782 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,782 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,782 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# [2019-11-25 08:55:56,782 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# [2019-11-25 08:55:56,783 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,783 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,783 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,783 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,784 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,784 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,784 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,784 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,785 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,785 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,785 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,786 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,786 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,786 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,786 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,786 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,787 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,788 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,793 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,793 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,794 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,794 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,794 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,797 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,797 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,805 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,805 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,806 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,806 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,806 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,806 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,807 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2019-11-25 08:55:56,846 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_35cf3b99-197b-493a-a94f-5785c3d991d9/bin/uautomizer/witness.graphml [2019-11-25 08:55:56,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:55:56,848 INFO L168 Benchmark]: Toolchain (without parser) took 6346.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 940.7 MB in the beginning and 948.0 MB in the end (delta: -7.3 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:56,848 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:56,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:56,849 INFO L168 Benchmark]: Boogie Preprocessor took 125.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:56,850 INFO L168 Benchmark]: RCFGBuilder took 1522.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 114.7 MB). Peak memory consumption was 114.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:56,850 INFO L168 Benchmark]: TraceAbstraction took 3893.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 954.8 MB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:56,851 INFO L168 Benchmark]: Witness Printer took 72.90 ms. Allocated memory is still 1.2 GB. Free memory was 954.8 MB in the beginning and 948.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:56,853 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 728.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 125.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1522.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 114.7 MB). Peak memory consumption was 114.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3893.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 954.8 MB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. * Witness Printer took 72.90 ms. Allocated memory is still 1.2 GB. Free memory was 954.8 MB in the beginning and 948.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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 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 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 *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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 762]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L757] int *a8; [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; 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}] [L771] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L765] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={2147467265:0}] [L759] 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}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] 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] [L759] 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}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L766] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L762] free(a8) [L766] RET free_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}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={16382:0}, ldv_global_msg_list={2147467265:0}] [L762] 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 49 procedures, 344 locations, 74 error locations. Result: UNSAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 121 SDtfs, 87 SDslu, 249 SDs, 0 SdLazy, 128 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 7192 SizeOfPredicates, 7 NumberOfNonLiveVariables, 373 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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...