./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09aab7ee021274328a236afeda27749aba561ee0 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:30:33,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:30:33,274 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:30:33,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:30:33,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:30:33,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:30:33,283 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:30:33,284 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:30:33,285 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:30:33,286 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:30:33,287 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:30:33,287 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:30:33,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:30:33,288 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:30:33,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:30:33,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:30:33,290 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:30:33,291 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:30:33,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:30:33,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:30:33,294 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:30:33,295 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:30:33,297 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:30:33,297 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:30:33,297 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:30:33,298 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:30:33,298 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:30:33,299 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:30:33,299 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:30:33,300 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:30:33,300 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:30:33,301 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:30:33,301 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:30:33,301 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:30:33,302 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:30:33,302 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:30:33,302 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-23 14:30:33,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:30:33,312 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:30:33,312 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:30:33,312 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:30:33,313 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:30:33,313 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:30:33,313 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:30:33,313 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:30:33,314 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:30:33,314 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 14:30:33,314 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:30:33,314 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:30:33,314 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:30:33,314 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 14:30:33,314 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 14:30:33,315 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 14:30:33,315 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:30:33,315 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:30:33,315 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:30:33,315 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:30:33,315 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:30:33,316 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:30:33,316 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:30:33,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:30:33,316 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:30:33,316 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:30:33,316 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:30:33,316 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:30:33,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09aab7ee021274328a236afeda27749aba561ee0 [2018-11-23 14:30:33,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:30:33,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:30:33,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:30:33,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:30:33,355 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:30:33,356 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c [2018-11-23 14:30:33,394 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/data/98ad1ebb6/723726c3d5994b91ab613635cb16eed6/FLAG98a73e3f8 [2018-11-23 14:30:33,788 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:30:33,788 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/sv-benchmarks/c/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c [2018-11-23 14:30:33,793 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/data/98ad1ebb6/723726c3d5994b91ab613635cb16eed6/FLAG98a73e3f8 [2018-11-23 14:30:33,803 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/data/98ad1ebb6/723726c3d5994b91ab613635cb16eed6 [2018-11-23 14:30:33,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:30:33,807 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-23 14:30:33,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:30:33,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:30:33,809 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:30:33,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:33" (1/1) ... [2018-11-23 14:30:33,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5fba41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33, skipping insertion in model container [2018-11-23 14:30:33,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:33" (1/1) ... [2018-11-23 14:30:33,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:30:33,830 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:30:33,938 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:30:33,947 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:30:33,961 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:30:33,973 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:30:33,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33 WrapperNode [2018-11-23 14:30:33,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:30:33,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:30:33,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:30:33,974 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:30:33,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33" (1/1) ... [2018-11-23 14:30:33,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33" (1/1) ... [2018-11-23 14:30:33,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33" (1/1) ... [2018-11-23 14:30:33,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33" (1/1) ... [2018-11-23 14:30:34,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33" (1/1) ... [2018-11-23 14:30:34,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33" (1/1) ... [2018-11-23 14:30:34,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33" (1/1) ... [2018-11-23 14:30:34,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:30:34,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:30:34,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:30:34,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:30:34,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:30:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:30:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:30:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:30:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:30:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:30:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:30:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:30:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:30:34,246 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:30:34,247 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 14:30:34,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:34 BoogieIcfgContainer [2018-11-23 14:30:34,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:30:34,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:30:34,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:30:34,251 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:30:34,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:30:33" (1/3) ... [2018-11-23 14:30:34,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2961440d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:34, skipping insertion in model container [2018-11-23 14:30:34,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:33" (2/3) ... [2018-11-23 14:30:34,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2961440d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:34, skipping insertion in model container [2018-11-23 14:30:34,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:34" (3/3) ... [2018-11-23 14:30:34,254 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization_true-valid-memsafety_true-termination.c [2018-11-23 14:30:34,261 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:30:34,268 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:30:34,280 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:30:34,301 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:30:34,302 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:30:34,302 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-23 14:30:34,302 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:30:34,303 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:30:34,303 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:30:34,303 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:30:34,303 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:30:34,303 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:30:34,315 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-11-23 14:30:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 14:30:34,322 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:30:34,323 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:30:34,325 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-23 14:30:34,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:30:34,330 INFO L82 PathProgramCache]: Analyzing trace with hash 254106603, now seen corresponding path program 1 times [2018-11-23 14:30:34,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:30:34,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:30:34,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:30:34,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:30:34,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:30:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:30:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:30:34,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:30:34,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-11-23 14:30:34,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:30:34,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:30:34,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:30:34,485 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2018-11-23 14:30:34,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:30:34,496 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2018-11-23 14:30:34,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:30:34,497 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2018-11-23 14:30:34,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:30:34,501 INFO L225 Difference]: With dead ends: 10 [2018-11-23 14:30:34,501 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:30:34,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:30:34,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:30:34,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:30:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:30:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:30:34,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-11-23 14:30:34,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:30:34,517 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:30:34,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:30:34,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:30:34,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:30:34,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:30:34 BoogieIcfgContainer [2018-11-23 14:30:34,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:30:34,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:30:34,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:30:34,520 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:30:34,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:34" (3/4) ... [2018-11-23 14:30:34,523 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:30:34,529 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:30:34,529 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:30:34,534 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 14:30:34,534 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 14:30:34,534 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 14:30:34,534 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:30:34,534 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:30:34,534 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:30:34,535 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:30:34,559 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f93bd2d-441e-4d9c-84f4-16dbb38d03b9/bin-2019/uautomizer/witness.graphml [2018-11-23 14:30:34,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:30:34,560 INFO L168 Benchmark]: Toolchain (without parser) took 753.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:34,561 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:30:34,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.28 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:34,562 INFO L168 Benchmark]: Boogie Preprocessor took 31.74 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 940.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:34,562 INFO L168 Benchmark]: RCFGBuilder took 241.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:34,563 INFO L168 Benchmark]: TraceAbstraction took 271.75 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:34,563 INFO L168 Benchmark]: Witness Printer took 39.26 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:34,566 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.28 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.74 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 940.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 241.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 271.75 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Witness Printer took 39.26 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 11 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...