./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/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 6d2107e4b8fe6ebcfe5d91ac4e8af987a88724fd ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/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 6d2107e4b8fe6ebcfe5d91ac4e8af987a88724fd ....................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:12:39,518 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:12:39,519 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:12:39,526 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:12:39,527 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:12:39,527 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:12:39,528 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:12:39,529 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:12:39,529 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:12:39,530 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:12:39,531 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:12:39,531 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:12:39,532 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:12:39,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:12:39,533 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:12:39,534 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:12:39,534 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:12:39,535 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:12:39,537 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:12:39,538 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:12:39,539 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:12:39,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:12:39,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:12:39,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:12:39,541 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:12:39,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:12:39,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:12:39,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:12:39,543 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:12:39,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:12:39,544 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:12:39,544 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:12:39,544 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:12:39,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:12:39,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:12:39,545 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:12:39,545 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-09 19:12:39,553 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:12:39,553 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:12:39,553 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:12:39,554 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:12:39,554 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:12:39,554 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:12:39,554 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:12:39,554 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:12:39,554 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:12:39,555 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:12:39,555 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:12:39,555 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:12:39,555 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:12:39,556 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:12:39,556 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:12:39,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:12:39,556 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:12:39,556 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 19:12:39,556 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:12:39,557 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:12:39,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:12:39,557 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 19:12:39,557 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 19:12:39,557 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 19:12:39,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:12:39,558 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:12:39,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:12:39,558 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:12:39,558 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:12:39,558 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:12:39,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:12:39,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:12:39,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:12:39,559 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:12:39,559 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:12:39,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:12:39,559 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/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 -> 6d2107e4b8fe6ebcfe5d91ac4e8af987a88724fd [2018-12-09 19:12:39,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:12:39,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:12:39,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:12:39,592 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:12:39,592 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:12:39,592 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-09 19:12:39,627 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data/51aeef2f0/ebeca758b10f4deda90f25afe69dbc3f/FLAG4fd305ad2 [2018-12-09 19:12:39,994 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:12:39,994 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-09 19:12:40,002 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data/51aeef2f0/ebeca758b10f4deda90f25afe69dbc3f/FLAG4fd305ad2 [2018-12-09 19:12:40,363 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data/51aeef2f0/ebeca758b10f4deda90f25afe69dbc3f [2018-12-09 19:12:40,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:12:40,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:12:40,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:12:40,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:12:40,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:12:40,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245fecd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40, skipping insertion in model container [2018-12-09 19:12:40,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:12:40,403 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:12:40,624 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:12:40,633 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:12:40,671 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:12:40,708 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:12:40,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40 WrapperNode [2018-12-09 19:12:40,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:12:40,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:12:40,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:12:40,709 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:12:40,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:12:40,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:12:40,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:12:40,732 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:12:40,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... [2018-12-09 19:12:40,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:12:40,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:12:40,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:12:40,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:12:40,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/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 [2018-12-09 19:12:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2018-12-09 19:12:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2018-12-09 19:12:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:12:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 19:12:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 19:12:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:12:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:12:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2018-12-09 19:12:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2018-12-09 19:12:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:12:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:12:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 19:12:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 19:12:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 19:12:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:12:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:12:40,898 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:12:40,898 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 19:12:40,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:12:40 BoogieIcfgContainer [2018-12-09 19:12:40,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:12:40,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:12:40,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:12:40,901 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:12:40,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:12:40" (1/3) ... [2018-12-09 19:12:40,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e73df70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:12:40, skipping insertion in model container [2018-12-09 19:12:40,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:40" (2/3) ... [2018-12-09 19:12:40,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e73df70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:12:40, skipping insertion in model container [2018-12-09 19:12:40,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:12:40" (3/3) ... [2018-12-09 19:12:40,903 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-09 19:12:40,909 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:12:40,914 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:12:40,923 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:12:40,937 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:12:40,937 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 19:12:40,937 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:12:40,937 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:12:40,937 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:12:40,938 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:12:40,938 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:12:40,938 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:12:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-09 19:12:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 19:12:40,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:40,952 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:40,953 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 19:12:40,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:40,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1095585380, now seen corresponding path program 1 times [2018-12-09 19:12:40,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:40,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:40,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:40,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:40,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:12:41,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:41,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:12:41,079 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:41,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:12:41,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:12:41,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:41,092 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2018-12-09 19:12:41,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:41,113 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-12-09 19:12:41,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 19:12:41,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-09 19:12:41,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:41,120 INFO L225 Difference]: With dead ends: 35 [2018-12-09 19:12:41,121 INFO L226 Difference]: Without dead ends: 32 [2018-12-09 19:12:41,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:41,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-09 19:12:41,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2018-12-09 19:12:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-12-09 19:12:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-12-09 19:12:41,146 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2018-12-09 19:12:41,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:41,146 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-12-09 19:12:41,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:12:41,146 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-12-09 19:12:41,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 19:12:41,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:41,147 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:41,147 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 19:12:41,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:41,147 INFO L82 PathProgramCache]: Analyzing trace with hash -701365979, now seen corresponding path program 1 times [2018-12-09 19:12:41,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:41,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:41,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:41,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:41,149 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:12:41,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:41,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:12:41,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:12:41,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:12:41,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:12:41,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:12:41,182 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2018-12-09 19:12:41,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:41,212 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2018-12-09 19:12:41,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:12:41,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-09 19:12:41,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:41,213 INFO L225 Difference]: With dead ends: 36 [2018-12-09 19:12:41,213 INFO L226 Difference]: Without dead ends: 25 [2018-12-09 19:12:41,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:12:41,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-09 19:12:41,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-09 19:12:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-09 19:12:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-12-09 19:12:41,216 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2018-12-09 19:12:41,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:41,216 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-12-09 19:12:41,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:12:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-12-09 19:12:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:12:41,216 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:41,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:41,216 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 19:12:41,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:41,217 INFO L82 PathProgramCache]: Analyzing trace with hash 153789217, now seen corresponding path program 1 times [2018-12-09 19:12:41,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:12:41,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:41,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:41,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:12:41,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:12:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:12:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:12:41,254 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 19:12:41,263 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 19:12:41,270 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 19:12:41,270 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 19:12:41,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:12:41 BoogieIcfgContainer [2018-12-09 19:12:41,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:12:41,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:12:41,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:12:41,277 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:12:41,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:12:40" (3/4) ... [2018-12-09 19:12:41,279 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 19:12:41,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:12:41,280 INFO L168 Benchmark]: Toolchain (without parser) took 912.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -115.7 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:41,281 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:12:41,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:41,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.14 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. [2018-12-09 19:12:41,282 INFO L168 Benchmark]: Boogie Preprocessor took 14.71 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. [2018-12-09 19:12:41,282 INFO L168 Benchmark]: RCFGBuilder took 151.68 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:41,283 INFO L168 Benchmark]: TraceAbstraction took 377.01 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: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:41,283 INFO L168 Benchmark]: Witness Printer took 2.93 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. [2018-12-09 19:12:41,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.14 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. * Boogie Preprocessor took 14.71 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 151.68 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 377.01 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: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.93 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1468]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1468. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1441] struct ldv_device *saved_device_20; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, \old(saved_device_20)=20, \old(saved_device_20)=21, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1469] CALL entry_point() VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1463] CALL alloc_20() VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1456] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, \old(size)=16, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, \old(size)=16, \result={23:0}, ldv_global_msg_list={22:0}, malloc(size)={23:0}, saved_device_20={0:0}, size=16] [L1456] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, ldv_malloc(sizeof(struct A20))={23:0}, saved_device_20={0:0}] [L1456] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L1457] COND TRUE \read(*p) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, p={23:0}, saved_device_20={0:0}] [L1458] CALL ldv_register_device(&p->dev) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, dev={23:4}, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1444] saved_device_20 = dev VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, dev={23:4}, dev={23:4}, ldv_global_msg_list={22:0}, saved_device_20={23:4}] [L1458] RET ldv_register_device(&p->dev) VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, p={23:0}, saved_device_20={23:4}] [L1463] RET alloc_20() VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={23:4}] [L1465] saved_device_20 = 0 VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={0:0}] [L1469] RET entry_point() VAL [\old(saved_device_20)=0, \old(saved_device_20)=0, ldv_global_msg_list={22:0}, saved_device_20={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 SDtfs, 5 SDslu, 93 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:12:42,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:12:42,609 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:12:42,616 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:12:42,617 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:12:42,617 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:12:42,618 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:12:42,619 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:12:42,621 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:12:42,621 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:12:42,622 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:12:42,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:12:42,623 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:12:42,623 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:12:42,624 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:12:42,625 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:12:42,625 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:12:42,627 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:12:42,628 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:12:42,629 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:12:42,630 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:12:42,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:12:42,632 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:12:42,632 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:12:42,633 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:12:42,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:12:42,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:12:42,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:12:42,635 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:12:42,636 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:12:42,636 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:12:42,637 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:12:42,637 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:12:42,637 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:12:42,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:12:42,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:12:42,638 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-12-09 19:12:42,649 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:12:42,649 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:12:42,650 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:12:42,650 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:12:42,650 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:12:42,650 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:12:42,650 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:12:42,650 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:12:42,650 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:12:42,650 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:12:42,651 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:12:42,651 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:12:42,651 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:12:42,651 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:12:42,651 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 19:12:42,651 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:12:42,652 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:12:42,652 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:12:42,652 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 19:12:42,652 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 19:12:42,652 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 19:12:42,652 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:12:42,652 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:12:42,652 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:12:42,652 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:12:42,653 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:12:42,653 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:12:42,653 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:12:42,653 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:12:42,653 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:12:42,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:12:42,653 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:12:42,653 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:12:42,653 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:12:42,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:12:42,653 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:12:42,654 INFO L133 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/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/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 -> 6d2107e4b8fe6ebcfe5d91ac4e8af987a88724fd [2018-12-09 19:12:42,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:12:42,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:12:42,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:12:42,686 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:12:42,686 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:12:42,686 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-09 19:12:42,721 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data/a8260ea69/3a040faddfea4e5e9da301922424e868/FLAG7d93ab29a [2018-12-09 19:12:43,174 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:12:43,174 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/sv-benchmarks/c/ldv-memsafety/memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-09 19:12:43,181 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data/a8260ea69/3a040faddfea4e5e9da301922424e868/FLAG7d93ab29a [2018-12-09 19:12:43,190 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/data/a8260ea69/3a040faddfea4e5e9da301922424e868 [2018-12-09 19:12:43,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:12:43,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:12:43,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:12:43,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:12:43,195 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:12:43,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa15e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43, skipping insertion in model container [2018-12-09 19:12:43,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:12:43,223 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:12:43,414 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:12:43,427 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:12:43,505 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:12:43,545 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:12:43,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43 WrapperNode [2018-12-09 19:12:43,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:12:43,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:12:43,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:12:43,546 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:12:43,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:12:43,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:12:43,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:12:43,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:12:43,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... [2018-12-09 19:12:43,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:12:43,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:12:43,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:12:43,583 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:12:43,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/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 [2018-12-09 19:12:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2018-12-09 19:12:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2018-12-09 19:12:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:12:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 19:12:43,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 19:12:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:12:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:12:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2018-12-09 19:12:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2018-12-09 19:12:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:12:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:12:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 19:12:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 19:12:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 19:12:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:12:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:12:43,737 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:12:43,737 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 19:12:43,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:12:43 BoogieIcfgContainer [2018-12-09 19:12:43,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:12:43,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:12:43,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:12:43,740 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:12:43,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:12:43" (1/3) ... [2018-12-09 19:12:43,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252c4610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:12:43, skipping insertion in model container [2018-12-09 19:12:43,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:12:43" (2/3) ... [2018-12-09 19:12:43,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252c4610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:12:43, skipping insertion in model container [2018-12-09 19:12:43,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:12:43" (3/3) ... [2018-12-09 19:12:43,742 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test20_false-valid-memtrack_true-termination.i [2018-12-09 19:12:43,748 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:12:43,751 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:12:43,761 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:12:43,775 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 19:12:43,775 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:12:43,776 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 19:12:43,776 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:12:43,776 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:12:43,776 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:12:43,776 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:12:43,776 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:12:43,776 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:12:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-09 19:12:43,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 19:12:43,789 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:43,789 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:43,790 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 19:12:43,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:43,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1095585380, now seen corresponding path program 1 times [2018-12-09 19:12:43,796 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 19:12:43,796 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/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 [2018-12-09 19:12:43,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:43,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:12:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:12:43,903 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:12:43,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:43,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:12:43,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:12:43,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:12:43,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:43,917 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2018-12-09 19:12:43,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:43,938 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-12-09 19:12:43,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 19:12:43,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-09 19:12:43,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:43,946 INFO L225 Difference]: With dead ends: 35 [2018-12-09 19:12:43,946 INFO L226 Difference]: Without dead ends: 32 [2018-12-09 19:12:43,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:12:43,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-09 19:12:43,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2018-12-09 19:12:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-12-09 19:12:43,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-12-09 19:12:43,972 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2018-12-09 19:12:43,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:43,972 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-12-09 19:12:43,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:12:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-12-09 19:12:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 19:12:43,972 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:43,973 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:43,973 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 19:12:43,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:43,973 INFO L82 PathProgramCache]: Analyzing trace with hash -701365979, now seen corresponding path program 1 times [2018-12-09 19:12:43,973 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 19:12:43,973 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/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 [2018-12-09 19:12:43,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:44,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:12:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:12:44,017 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:12:44,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:12:44,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:12:44,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:12:44,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:12:44,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:12:44,020 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2018-12-09 19:12:44,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:12:44,047 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2018-12-09 19:12:44,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:12:44,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-09 19:12:44,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:12:44,048 INFO L225 Difference]: With dead ends: 36 [2018-12-09 19:12:44,048 INFO L226 Difference]: Without dead ends: 25 [2018-12-09 19:12:44,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:12:44,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-09 19:12:44,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-09 19:12:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-09 19:12:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-12-09 19:12:44,051 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2018-12-09 19:12:44,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:12:44,051 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-12-09 19:12:44,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:12:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-12-09 19:12:44,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 19:12:44,052 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:12:44,052 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:12:44,052 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 19:12:44,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:12:44,052 INFO L82 PathProgramCache]: Analyzing trace with hash 153789217, now seen corresponding path program 1 times [2018-12-09 19:12:44,052 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 19:12:44,052 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_153bd90c-8c8c-4447-b050-cbb0c674404d/bin-2019/utaipan/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 [2018-12-09 19:12:44,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:12:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:12:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:12:44,194 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 19:12:44,203 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 19:12:44,209 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,209 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,209 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 19:12:44,209 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 19:12:44,210 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,210 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,210 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,210 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,211 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,211 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,211 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,212 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,212 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,212 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,212 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,212 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,213 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,213 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,213 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,213 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,213 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,214 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,214 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,214 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,214 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,214 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,214 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,215 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device [2018-12-09 19:12:44,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:12:44 BoogieIcfgContainer [2018-12-09 19:12:44,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:12:44,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:12:44,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:12:44,220 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:12:44,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:12:43" (3/4) ... [2018-12-09 19:12:44,222 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 19:12:44,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:12:44,223 INFO L168 Benchmark]: Toolchain (without parser) took 1030.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -60.7 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:44,224 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:12:44,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:44,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.19 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. [2018-12-09 19:12:44,224 INFO L168 Benchmark]: Boogie Preprocessor took 14.92 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. [2018-12-09 19:12:44,225 INFO L168 Benchmark]: RCFGBuilder took 154.90 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. [2018-12-09 19:12:44,225 INFO L168 Benchmark]: TraceAbstraction took 481.00 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: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:12:44,225 INFO L168 Benchmark]: Witness Printer took 2.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:12:44,227 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.19 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. * Boogie Preprocessor took 14.92 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 154.90 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. * TraceAbstraction took 481.00 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: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - 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 *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *ldv_device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1468]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1468. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1441] struct ldv_device *saved_device_20; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, \old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1469] CALL entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1463] CALL alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1456] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, \old(size)=16, \result={1082401:0}, ldv_global_msg_list={-2146401247:0}, malloc(size)={1082401:0}, saved_device_20={0:0}, size=16] [L1456] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, ldv_malloc(sizeof(struct A20))={1082401:0}, saved_device_20={0:0}] [L1456] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L1457] COND TRUE \read(*p) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, p={1082401:0}, saved_device_20={0:0}] [L1458] CALL ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1082401:4}, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1444] saved_device_20 = dev VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, dev={1082401:4}, dev={1082401:4}, ldv_global_msg_list={-2146401247:0}, saved_device_20={1082401:4}] [L1458] RET ldv_register_device(&p->dev) VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, p={1082401:0}, saved_device_20={1082401:4}] [L1463] RET alloc_20() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={1082401:4}] [L1465] saved_device_20 = 0 VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] [L1469] RET entry_point() VAL [\old(saved_device_20)=null, \old(saved_device_20)=null, ldv_global_msg_list={-2146401247:0}, saved_device_20={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 SDtfs, 5 SDslu, 93 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1520 SizeOfPredicates, 1 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...