./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort_unsafe_false-valid-deref.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_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort_unsafe_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/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 d947ac2f4314b6371797f06202127d0425ea9bb5 ......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 05:46:10,302 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:46:10,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:46:10,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:46:10,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:46:10,310 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:46:10,310 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:46:10,311 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:46:10,312 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:46:10,312 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:46:10,313 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:46:10,313 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:46:10,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:46:10,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:46:10,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:46:10,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:46:10,315 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:46:10,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:46:10,317 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:46:10,318 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:46:10,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:46:10,319 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:46:10,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:46:10,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:46:10,320 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:46:10,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:46:10,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:46:10,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:46:10,322 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:46:10,323 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:46:10,323 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:46:10,323 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:46:10,323 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:46:10,323 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:46:10,324 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:46:10,324 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:46:10,324 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-02 05:46:10,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:46:10,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:46:10,332 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:46:10,332 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 05:46:10,332 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 05:46:10,333 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 05:46:10,333 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 05:46:10,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:46:10,334 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:46:10,334 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:46:10,334 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:46:10,334 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 05:46:10,334 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:46:10,334 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 05:46:10,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:46:10,334 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:46:10,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:46:10,334 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 05:46:10,335 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:46:10,335 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_db2c296c-34f0-44cb-9811-deb07a669d8f/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 -> d947ac2f4314b6371797f06202127d0425ea9bb5 [2018-12-02 05:46:10,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:46:10,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:46:10,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:46:10,361 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:46:10,361 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:46:10,361 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/bubblesort_unsafe_false-valid-deref.i [2018-12-02 05:46:10,394 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/data/ce0ba4685/aa675c7432c1467a80dbd566efcf7196/FLAG0ae643eef [2018-12-02 05:46:10,777 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:46:10,778 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/sv-benchmarks/c/array-memsafety/bubblesort_unsafe_false-valid-deref.i [2018-12-02 05:46:10,781 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/data/ce0ba4685/aa675c7432c1467a80dbd566efcf7196/FLAG0ae643eef [2018-12-02 05:46:10,791 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/data/ce0ba4685/aa675c7432c1467a80dbd566efcf7196 [2018-12-02 05:46:10,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:46:10,794 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 05:46:10,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:46:10,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:46:10,798 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:46:10,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:46:10" (1/1) ... [2018-12-02 05:46:10,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d01f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10, skipping insertion in model container [2018-12-02 05:46:10,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:46:10" (1/1) ... [2018-12-02 05:46:10,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:46:10,814 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:46:10,914 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:46:10,920 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:46:10,930 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:46:10,939 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:46:10,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10 WrapperNode [2018-12-02 05:46:10,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:46:10,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:46:10,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:46:10,939 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:46:10,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10" (1/1) ... [2018-12-02 05:46:10,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10" (1/1) ... [2018-12-02 05:46:10,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10" (1/1) ... [2018-12-02 05:46:10,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10" (1/1) ... [2018-12-02 05:46:10,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10" (1/1) ... [2018-12-02 05:46:10,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10" (1/1) ... [2018-12-02 05:46:10,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10" (1/1) ... [2018-12-02 05:46:10,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:46:10,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:46:10,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:46:10,967 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:46:10,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/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 [2018-12-02 05:46:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 05:46:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:46:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bubbleSort [2018-12-02 05:46:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 05:46:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 05:46:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure bubbleSort [2018-12-02 05:46:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 05:46:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 05:46:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 05:46:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 05:46:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:46:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 05:46:11,154 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:46:11,154 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 05:46:11,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:46:11 BoogieIcfgContainer [2018-12-02 05:46:11,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:46:11,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 05:46:11,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 05:46:11,157 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 05:46:11,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:46:10" (1/3) ... [2018-12-02 05:46:11,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fac16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:46:11, skipping insertion in model container [2018-12-02 05:46:11,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:46:10" (2/3) ... [2018-12-02 05:46:11,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fac16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:46:11, skipping insertion in model container [2018-12-02 05:46:11,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:46:11" (3/3) ... [2018-12-02 05:46:11,160 INFO L112 eAbstractionObserver]: Analyzing ICFG bubblesort_unsafe_false-valid-deref.i [2018-12-02 05:46:11,166 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 05:46:11,171 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-12-02 05:46:11,181 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-12-02 05:46:11,196 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 05:46:11,197 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 05:46:11,197 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 05:46:11,197 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 05:46:11,197 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 05:46:11,197 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 05:46:11,197 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 05:46:11,197 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 05:46:11,197 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 05:46:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-12-02 05:46:11,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 05:46:11,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:46:11,213 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:46:11,215 INFO L423 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-02 05:46:11,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:46:11,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1760941198, now seen corresponding path program 1 times [2018-12-02 05:46:11,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:46:11,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:46:11,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:46:11,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:46:11,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:46:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:46:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:46:11,297 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 05:46:11,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:46:11 BoogieIcfgContainer [2018-12-02 05:46:11,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 05:46:11,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:46:11,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:46:11,312 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:46:11,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:46:11" (3/4) ... [2018-12-02 05:46:11,313 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 05:46:11,338 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db2c296c-34f0-44cb-9811-deb07a669d8f/bin-2019/uautomizer/witness.graphml [2018-12-02 05:46:11,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:46:11,338 INFO L168 Benchmark]: Toolchain (without parser) took 544.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 958.7 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:46:11,339 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:46:11,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.23 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:46:11,340 INFO L168 Benchmark]: Boogie Preprocessor took 27.03 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:46:11,340 INFO L168 Benchmark]: RCFGBuilder took 188.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:46:11,341 INFO L168 Benchmark]: TraceAbstraction took 156.03 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-12-02 05:46:11,341 INFO L168 Benchmark]: Witness Printer took 26.45 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 05:46:11,343 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.23 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.03 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 188.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 156.03 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: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Witness Printer took 26.45 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L16] int* numbers; [L17] int array_size = __VERIFIER_nondet_int(); [L18] CALL bubbleSort(numbers, array_size) VAL [\old(array_size)=2, numbers={4:3}] [L4] int i, j, temp; [L5] i = (array_size - 1) VAL [\old(array_size)=2, array_size=2, i=1, numbers={4:3}, numbers={4:3}] [L5] COND TRUE i >= 0 [L6] j = 1 VAL [\old(array_size)=2, array_size=2, i=1, j=1, numbers={4:3}, numbers={4:3}] [L6] COND TRUE j <= i VAL [\old(array_size)=2, array_size=2, i=1, j=1, numbers={4:3}, numbers={4:3}] [L7] numbers[j-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 41 locations, 13 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...