./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-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_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/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 ccd6d122756047ddb1225c106ac06a6748e14c22 ............................................................................................................................................................................................................. 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 13:44:13,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:44:13,902 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:44:13,908 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:44:13,908 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:44:13,909 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:44:13,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:44:13,910 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:44:13,911 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:44:13,912 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:44:13,912 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:44:13,913 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:44:13,913 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:44:13,914 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:44:13,915 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:44:13,915 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:44:13,916 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:44:13,917 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:44:13,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:44:13,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:44:13,920 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:44:13,921 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:44:13,922 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:44:13,923 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:44:13,923 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:44:13,923 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:44:13,924 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:44:13,924 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:44:13,925 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:44:13,925 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:44:13,926 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:44:13,926 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:44:13,926 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:44:13,926 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:44:13,927 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:44:13,928 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:44:13,928 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-23 13:44:13,935 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:44:13,935 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:44:13,935 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:44:13,935 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:44:13,936 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:44:13,936 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:44:13,936 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:44:13,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:44:13,936 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:44:13,937 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 13:44:13,937 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:44:13,937 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:44:13,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:44:13,937 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 13:44:13,937 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 13:44:13,937 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 13:44:13,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:44:13,938 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:44:13,938 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:44:13,938 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:44:13,938 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:44:13,938 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:44:13,938 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:44:13,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:44:13,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:44:13,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:44:13,939 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:44:13,939 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:44:13,939 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_625a668a-a104-4ffd-9cf0-7c223eb34269/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 -> ccd6d122756047ddb1225c106ac06a6748e14c22 [2018-11-23 13:44:13,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:44:13,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:44:13,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:44:13,972 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:44:13,972 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:44:13,972 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/../../sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 13:44:14,016 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/data/06a92c64b/97996635983847fbb994f2a9a26ab7ed/FLAG47aa68295 [2018-11-23 13:44:14,416 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:44:14,416 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/sv-benchmarks/c/locks/test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 13:44:14,421 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/data/06a92c64b/97996635983847fbb994f2a9a26ab7ed/FLAG47aa68295 [2018-11-23 13:44:14,433 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/data/06a92c64b/97996635983847fbb994f2a9a26ab7ed [2018-11-23 13:44:14,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:44:14,437 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-23 13:44:14,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:44:14,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:44:14,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:44:14,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:14" (1/1) ... [2018-11-23 13:44:14,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14, skipping insertion in model container [2018-11-23 13:44:14,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:14" (1/1) ... [2018-11-23 13:44:14,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:44:14,468 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:44:14,581 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:44:14,583 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:44:14,598 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:44:14,607 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:44:14,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14 WrapperNode [2018-11-23 13:44:14,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:44:14,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:44:14,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:44:14,608 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:44:14,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14" (1/1) ... [2018-11-23 13:44:14,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14" (1/1) ... [2018-11-23 13:44:14,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14" (1/1) ... [2018-11-23 13:44:14,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14" (1/1) ... [2018-11-23 13:44:14,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14" (1/1) ... [2018-11-23 13:44:14,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14" (1/1) ... [2018-11-23 13:44:14,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14" (1/1) ... [2018-11-23 13:44:14,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:44:14,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:44:14,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:44:14,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:44:14,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/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 13:44:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:44:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:44:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:44:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-23 13:44:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-23 13:44:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:44:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:44:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:44:14,840 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:44:14,840 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 13:44:14,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:14 BoogieIcfgContainer [2018-11-23 13:44:14,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:44:14,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:44:14,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:44:14,843 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:44:14,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:44:14" (1/3) ... [2018-11-23 13:44:14,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595c6b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:14, skipping insertion in model container [2018-11-23 13:44:14,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:14" (2/3) ... [2018-11-23 13:44:14,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595c6b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:14, skipping insertion in model container [2018-11-23 13:44:14,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:14" (3/3) ... [2018-11-23 13:44:14,846 INFO L112 eAbstractionObserver]: Analyzing ICFG test_locks_7_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 13:44:14,854 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:44:14,860 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-23 13:44:14,870 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-23 13:44:14,884 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:44:14,884 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:44:14,885 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-23 13:44:14,885 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:44:14,885 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:44:14,885 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:44:14,885 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:44:14,885 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:44:14,885 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:44:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-23 13:44:14,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:44:14,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:44:14 BoogieIcfgContainer [2018-11-23 13:44:14,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:44:14,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:44:14,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:44:14,904 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:44:14,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:14" (3/4) ... [2018-11-23 13:44:14,907 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:44:14,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:44:14,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:44:14,917 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:44:14,917 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:44:14,917 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:44:14,952 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_625a668a-a104-4ffd-9cf0-7c223eb34269/bin-2019/uautomizer/witness.graphml [2018-11-23 13:44:14,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:44:14,952 INFO L168 Benchmark]: Toolchain (without parser) took 516.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:44:14,953 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:44:14,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:44:14,954 INFO L168 Benchmark]: Boogie Preprocessor took 20.53 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:44:14,954 INFO L168 Benchmark]: RCFGBuilder took 211.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:44:14,954 INFO L168 Benchmark]: TraceAbstraction took 62.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:44:14,955 INFO L168 Benchmark]: Witness Printer took 48.18 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:44:14,956 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.53 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 211.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 62.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 48.18 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 34 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...