./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c -s /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/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 639853f2f40cff84155fe09902eff2b5a20185f5 ........................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 13:25:33,268 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:25:33,269 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:25:33,278 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:25:33,278 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:25:33,279 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:25:33,280 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:25:33,281 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:25:33,282 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:25:33,283 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:25:33,284 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:25:33,284 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:25:33,285 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:25:33,285 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:25:33,287 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:25:33,287 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:25:33,288 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:25:33,289 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:25:33,291 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:25:33,292 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:25:33,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:25:33,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:25:33,296 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:25:33,297 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:25:33,297 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:25:33,297 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:25:33,299 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:25:33,300 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:25:33,300 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:25:33,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:25:33,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:25:33,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:25:33,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:25:33,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:25:33,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:25:33,304 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:25:33,305 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-18 13:25:33,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:25:33,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:25:33,332 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:25:33,332 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:25:33,332 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:25:33,333 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:25:33,333 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:25:33,333 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:25:33,333 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:25:33,333 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:25:33,333 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:25:33,333 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 13:25:33,334 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 13:25:33,334 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 13:25:33,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:25:33,334 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:25:33,334 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:25:33,334 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:25:33,336 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:25:33,336 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:25:33,336 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:25:33,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:25:33,336 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:25:33,336 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:25:33,337 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:25:33,337 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:25:33,337 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_138aeb6e-2d23-433a-903b-6254717071af/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 -> 639853f2f40cff84155fe09902eff2b5a20185f5 [2018-11-18 13:25:33,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:25:33,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:25:33,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:25:33,379 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:25:33,379 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:25:33,380 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c [2018-11-18 13:25:33,441 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/data/5734c6c23/43f888a11b434f37bf497d1d2a5f23b9/FLAG5f8b099ac [2018-11-18 13:25:33,850 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:25:33,853 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-read.c [2018-11-18 13:25:33,861 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/data/5734c6c23/43f888a11b434f37bf497d1d2a5f23b9/FLAG5f8b099ac [2018-11-18 13:25:34,243 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/data/5734c6c23/43f888a11b434f37bf497d1d2a5f23b9 [2018-11-18 13:25:34,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:25:34,247 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:25:34,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:25:34,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:25:34,251 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:25:34,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:25:34" (1/1) ... [2018-11-18 13:25:34,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb85891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34, skipping insertion in model container [2018-11-18 13:25:34,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:25:34" (1/1) ... [2018-11-18 13:25:34,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:25:34,280 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:25:34,446 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:25:34,457 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:25:34,477 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:25:34,490 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:25:34,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34 WrapperNode [2018-11-18 13:25:34,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:25:34,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:25:34,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:25:34,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:25:34,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34" (1/1) ... [2018-11-18 13:25:34,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34" (1/1) ... [2018-11-18 13:25:34,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34" (1/1) ... [2018-11-18 13:25:34,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34" (1/1) ... [2018-11-18 13:25:34,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34" (1/1) ... [2018-11-18 13:25:34,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34" (1/1) ... [2018-11-18 13:25:34,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34" (1/1) ... [2018-11-18 13:25:34,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:25:34,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:25:34,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:25:34,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:25:34,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/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 [2018-11-18 13:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2018-11-18 13:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-11-18 13:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:25:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2018-11-18 13:25:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:25:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-11-18 13:25:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:25:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:25:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:25:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:25:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:25:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:25:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:25:34,898 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:25:34,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:25:34 BoogieIcfgContainer [2018-11-18 13:25:34,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:25:34,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:25:34,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:25:34,902 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:25:34,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:25:34" (1/3) ... [2018-11-18 13:25:34,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dc68cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:25:34, skipping insertion in model container [2018-11-18 13:25:34,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:34" (2/3) ... [2018-11-18 13:25:34,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dc68cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:25:34, skipping insertion in model container [2018-11-18 13:25:34,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:25:34" (3/3) ... [2018-11-18 13:25:34,907 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_false-valid-deref-read.c [2018-11-18 13:25:34,916 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:25:34,922 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-11-18 13:25:34,935 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2018-11-18 13:25:34,956 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:25:34,956 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:25:34,957 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-18 13:25:34,957 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:25:34,957 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:25:34,957 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:25:34,957 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:25:34,957 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:25:34,957 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:25:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-11-18 13:25:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 13:25:34,979 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:25:34,980 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:25:34,981 INFO L423 AbstractCegarLoop]: === Iteration 1 === [barErr1REQUIRES_VIOLATION, barErr0REQUIRES_VIOLATION, fooErr1REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, fooErr3REQUIRES_VIOLATION, fooErr0REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION]=== [2018-11-18 13:25:34,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:25:34,986 INFO L82 PathProgramCache]: Analyzing trace with hash 826482274, now seen corresponding path program 1 times [2018-11-18 13:25:34,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:25:34,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:25:35,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:25:35,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:25:35,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:25:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:25:35,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:25:35,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:25:35,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:25:35,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:25:35,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:25:35,100 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-11-18 13:25:35,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:25:35,114 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2018-11-18 13:25:35,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:25:35,116 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-18 13:25:35,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:25:35,124 INFO L225 Difference]: With dead ends: 56 [2018-11-18 13:25:35,125 INFO L226 Difference]: Without dead ends: 53 [2018-11-18 13:25:35,126 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:25:35,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-18 13:25:35,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-18 13:25:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-18 13:25:35,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-11-18 13:25:35,160 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 11 [2018-11-18 13:25:35,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:25:35,160 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-11-18 13:25:35,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:25:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-11-18 13:25:35,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 13:25:35,161 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:25:35,161 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:25:35,161 INFO L423 AbstractCegarLoop]: === Iteration 2 === [barErr1REQUIRES_VIOLATION, barErr0REQUIRES_VIOLATION, fooErr1REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, fooErr3REQUIRES_VIOLATION, fooErr0REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION]=== [2018-11-18 13:25:35,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:25:35,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1066732673, now seen corresponding path program 1 times [2018-11-18 13:25:35,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:25:35,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:25:35,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:25:35,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:25:35,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:25:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:25:35,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:25:35,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:25:35,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:25:35,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:25:35,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:25:35,278 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 5 states. [2018-11-18 13:25:35,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:25:35,487 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2018-11-18 13:25:35,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:25:35,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-18 13:25:35,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:25:35,490 INFO L225 Difference]: With dead ends: 69 [2018-11-18 13:25:35,491 INFO L226 Difference]: Without dead ends: 69 [2018-11-18 13:25:35,492 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:25:35,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-18 13:25:35,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 63. [2018-11-18 13:25:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-18 13:25:35,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2018-11-18 13:25:35,501 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 13 [2018-11-18 13:25:35,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:25:35,502 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2018-11-18 13:25:35,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:25:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2018-11-18 13:25:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:25:35,502 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:25:35,503 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:25:35,503 INFO L423 AbstractCegarLoop]: === Iteration 3 === [barErr1REQUIRES_VIOLATION, barErr0REQUIRES_VIOLATION, fooErr1REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, fooErr3REQUIRES_VIOLATION, fooErr0REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION]=== [2018-11-18 13:25:35,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:25:35,503 INFO L82 PathProgramCache]: Analyzing trace with hash -485770965, now seen corresponding path program 1 times [2018-11-18 13:25:35,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:25:35,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:25:35,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:25:35,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:25:35,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:25:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:25:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:25:35,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:25:35,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:25:35,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:25:35,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:25:35,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:25:35,562 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 5 states. [2018-11-18 13:25:35,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:25:35,694 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2018-11-18 13:25:35,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:25:35,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-18 13:25:35,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:25:35,696 INFO L225 Difference]: With dead ends: 61 [2018-11-18 13:25:35,696 INFO L226 Difference]: Without dead ends: 61 [2018-11-18 13:25:35,696 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:25:35,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-18 13:25:35,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-18 13:25:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-18 13:25:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2018-11-18 13:25:35,702 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 17 [2018-11-18 13:25:35,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:25:35,702 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2018-11-18 13:25:35,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:25:35,702 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-11-18 13:25:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:25:35,703 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:25:35,703 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:25:35,703 INFO L423 AbstractCegarLoop]: === Iteration 4 === [barErr1REQUIRES_VIOLATION, barErr0REQUIRES_VIOLATION, fooErr1REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, fooErr3REQUIRES_VIOLATION, fooErr0REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION]=== [2018-11-18 13:25:35,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:25:35,704 INFO L82 PathProgramCache]: Analyzing trace with hash -485770964, now seen corresponding path program 1 times [2018-11-18 13:25:35,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:25:35,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:25:35,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:25:35,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:25:35,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:25:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:25:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:25:35,746 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:25:35,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:25:35 BoogieIcfgContainer [2018-11-18 13:25:35,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:25:35,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:25:35,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:25:35,764 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:25:35,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:25:34" (3/4) ... [2018-11-18 13:25:35,766 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 13:25:35,793 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_138aeb6e-2d23-433a-903b-6254717071af/bin-2019/uautomizer/witness.graphml [2018-11-18 13:25:35,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:25:35,794 INFO L168 Benchmark]: Toolchain (without parser) took 1548.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.7 MB in the beginning and 1.1 GB in the end (delta: -98.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:35,795 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:25:35,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.36 ms. Allocated memory is still 1.0 GB. Free memory was 955.7 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:35,796 INFO L168 Benchmark]: Boogie Preprocessor took 33.17 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:35,796 INFO L168 Benchmark]: RCFGBuilder took 373.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:35,797 INFO L168 Benchmark]: TraceAbstraction took 863.67 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: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:35,798 INFO L168 Benchmark]: Witness Printer took 30.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:25:35,799 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 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.36 ms. Allocated memory is still 1.0 GB. Free memory was 955.7 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.17 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 373.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 863.67 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: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. * Witness Printer took 30.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L33] i = 0 VAL [b={404:0}, i=0] [L33] COND TRUE i < 100 VAL [b={404:0}, i=0] [L34] CALL foo(i, b, i) VAL [\old(n)=0, \old(size)=0, b={404:0}] [L21] FCALL int a[n], i; [L22] i = 0 VAL [\old(n)=0, \old(size)=0, a={402:0}, b={404:0}, b={404:0}, i=0, n=0, size=0] [L22] COND FALSE !(i < size) VAL [\old(n)=0, \old(size)=0, a={402:0}, b={404:0}, b={404:0}, i=0, n=0, size=0] [L25] CALL bar(a, size + 1) VAL [\old(size)=1, b={402:0}] [L12] int res = 0, i; [L13] i = 0 VAL [\old(size)=1, b={402:0}, b={402:0}, i=0, res=0, size=1] [L13] COND TRUE i < size VAL [\old(size)=1, b={402:0}, b={402:0}, i=0, res=0, size=1] [L14] FCALL b[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 11 error locations. UNSAFE Result, 0.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 SDtfs, 52 SDslu, 200 SDs, 0 SdLazy, 112 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=2, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...