./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.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_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 226a48892dbf15b4d04e739325fd096776cbff4d ............................................................................................................................................................................................................................................................. 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 [2019-11-26 02:59:00,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:59:00,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:59:00,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:59:00,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:59:00,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:59:00,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:59:00,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:59:00,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:59:00,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:59:00,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:59:00,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:59:00,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:59:00,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:59:00,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:59:00,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:59:00,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:59:00,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:59:00,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:59:00,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:59:00,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:59:00,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:59:00,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:59:00,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:59:00,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:59:00,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:59:00,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:59:00,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:59:00,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:59:00,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:59:00,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:59:00,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:59:00,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:59:00,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:59:00,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:59:00,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:59:00,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:59:00,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:59:00,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:59:00,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:59:00,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:59:00,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-11-26 02:59:00,739 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:59:00,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:59:00,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:59:00,749 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:59:00,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:59:00,749 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:59:00,749 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:59:00,749 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:59:00,749 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:59:00,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:59:00,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:59:00,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:59:00,750 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:59:00,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:59:00,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:59:00,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:59:00,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:59:00,751 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:59:00,751 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:59:00,751 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:59:00,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:59:00,751 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:59:00,751 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:59:00,751 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:59:00,752 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:59:00,752 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:59:00,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:59:00,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:59:00,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:59:00,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:59:00,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:59:00,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:59:00,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:59:00,753 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:59:00,753 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:59:00,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:59:00,753 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_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan 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 -> Taipan 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 -> 226a48892dbf15b4d04e739325fd096776cbff4d [2019-11-26 02:59:00,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:59:00,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:59:00,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:59:00,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:59:00,911 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:59:00,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2019-11-26 02:59:00,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/data/34a61a4d6/56fbe677c7e34968aae9347a591ef085/FLAG333a25b91 [2019-11-26 02:59:01,421 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:59:01,422 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2019-11-26 02:59:01,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/data/34a61a4d6/56fbe677c7e34968aae9347a591ef085/FLAG333a25b91 [2019-11-26 02:59:01,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/data/34a61a4d6/56fbe677c7e34968aae9347a591ef085 [2019-11-26 02:59:01,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:59:01,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:59:01,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:59:01,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:59:01,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:59:01,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:59:01" (1/1) ... [2019-11-26 02:59:01,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ae54b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:01, skipping insertion in model container [2019-11-26 02:59:01,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:59:01" (1/1) ... [2019-11-26 02:59:01,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:59:01,810 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:59:02,228 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 [2019-11-26 02:59:02,228 INFO L968 CHandler]: at location: C: (struct ldv_msg*)ldv_malloc(sizeof(struct ldv_msg)) [577] [2019-11-26 02:59:02,229 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:59:02,251 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 [2019-11-26 02:59:02,251 INFO L968 CHandler]: at location: C: (typeof(*msg) *)( (char *)__mptr - ((size_t) &((typeof(*msg) *)0)->list) ) [608] [2019-11-26 02:59:02,252 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:59:02,255 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 [2019-11-26 02:59:02,255 INFO L968 CHandler]: at location: C: (typeof(*(msg)) *)( (char *)__mptr - ((size_t) &((typeof(*(msg)) *)0)->list) ) [608] [2019-11-26 02:59:02,256 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:59:02,259 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 [2019-11-26 02:59:02,260 INFO L968 CHandler]: at location: C: (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) ) [608] [2019-11-26 02:59:02,260 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:59:02,291 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 [2019-11-26 02:59:02,292 INFO L968 CHandler]: at location: C: (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) ) [707] [2019-11-26 02:59:02,292 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:59:02,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:59:02,339 INFO L198 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-26 02:59:02,364 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:59:02,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:59:02,435 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:59:02,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:59:02,588 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:59:02,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02 WrapperNode [2019-11-26 02:59:02,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:59:02,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:59:02,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:59:02,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:59:02,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:59:02,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:59:02,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:59:02,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:59:02,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:59:02,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:59:02,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:59:02,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:59:02,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/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 [2019-11-26 02:59:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:59:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:59:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 02:59:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:59:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:59:02,931 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:59:02,932 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 02:59:02,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:02 BoogieIcfgContainer [2019-11-26 02:59:02,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:59:02,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:59:02,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:59:02,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:59:02,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:59:01" (1/3) ... [2019-11-26 02:59:02,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa998d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:59:02, skipping insertion in model container [2019-11-26 02:59:02,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (2/3) ... [2019-11-26 02:59:02,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa998d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:59:02, skipping insertion in model container [2019-11-26 02:59:02,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:02" (3/3) ... [2019-11-26 02:59:02,939 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2019-11-26 02:59:02,948 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:59:02,966 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-26 02:59:02,976 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-26 02:59:03,024 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:59:03,026 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 02:59:03,026 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:59:03,026 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:59:03,026 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:59:03,027 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:59:03,027 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:59:03,027 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:59:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-26 02:59:03,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:59:03,049 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:59:03,049 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-26 02:59:03,050 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-26 02:59:03,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:59:03,056 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2019-11-26 02:59:03,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:59:03,068 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1422632553] [2019-11-26 02:59:03,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/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 [2019-11-26 02:59:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:59:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:59:03,244 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-11-26 02:59:03,245 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:59:03,446 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 02:59:03,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:59:03 BoogieIcfgContainer [2019-11-26 02:59:03,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:59:03,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:59:03,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:59:03,471 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:59:03,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:02" (3/4) ... [2019-11-26 02:59:03,474 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:59:03,514 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e4d2c1c0-d056-4621-b79a-14506b2e40d0/bin/utaipan/witness.graphml [2019-11-26 02:59:03,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:59:03,516 INFO L168 Benchmark]: Toolchain (without parser) took 1758.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:03,517 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:59:03,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:03,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:03,518 INFO L168 Benchmark]: Boogie Preprocessor took 22.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:59:03,519 INFO L168 Benchmark]: RCFGBuilder took 272.09 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:03,519 INFO L168 Benchmark]: TraceAbstraction took 535.90 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:03,520 INFO L168 Benchmark]: Witness Printer took 44.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:03,523 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 831.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 272.09 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 535.90 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={3:0}] [L763] free(p) VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...