./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-read.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-read.c -s /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 03:00:10,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:00:10,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:00:10,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:00:10,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:00:10,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:00:10,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:00:10,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:00:10,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:00:10,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:00:10,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:00:10,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:00:10,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:00:10,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:00:10,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:00:10,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:00:10,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:00:10,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:00:10,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:00:10,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:00:10,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:00:10,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:00:10,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:00:10,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:00:10,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:00:10,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:00:10,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:00:10,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:00:10,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:00:10,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:00:10,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:00:10,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:00:10,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:00:10,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:00:10,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:00:10,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:00:10,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:00:10,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:00:10,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:00:10,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:00:10,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:00:10,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-11-26 03:00:10,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:00:10,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:00:10,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:00:10,327 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:00:10,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:00:10,328 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:00:10,328 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:00:10,329 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:00:10,329 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:00:10,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 03:00:10,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 03:00:10,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:00:10,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:00:10,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 03:00:10,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:00:10,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:00:10,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:00:10,332 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 03:00:10,332 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 03:00:10,333 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 03:00:10,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:00:10,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 03:00:10,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 03:00:10,336 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 03:00:10,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:00:10,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 03:00:10,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:00:10,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 03:00:10,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:00:10,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:00:10,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:00:10,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:00:10,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:00:10,338 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 03:00:10,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 03:00:10,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:00:10,338 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 639853f2f40cff84155fe09902eff2b5a20185f5 [2019-11-26 03:00:10,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:00:10,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:00:10,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:00:10,486 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:00:10,487 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:00:10,487 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-read.c [2019-11-26 03:00:10,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/data/9d260fa0e/33535e77e77b41f3a684004cb3b5fe91/FLAGeca0c53aa [2019-11-26 03:00:10,946 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:00:10,947 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-read.c [2019-11-26 03:00:10,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/data/9d260fa0e/33535e77e77b41f3a684004cb3b5fe91/FLAGeca0c53aa [2019-11-26 03:00:10,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/data/9d260fa0e/33535e77e77b41f3a684004cb3b5fe91 [2019-11-26 03:00:10,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:00:10,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:00:10,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:10,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:00:10,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:00:10,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:10" (1/1) ... [2019-11-26 03:00:10,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724c2d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:10, skipping insertion in model container [2019-11-26 03:00:10,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:10" (1/1) ... [2019-11-26 03:00:10,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:00:11,007 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:00:11,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:11,328 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:00:11,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:11,378 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:00:11,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11 WrapperNode [2019-11-26 03:00:11,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:11,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:11,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:00:11,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:00:11,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:11,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:00:11,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:00:11,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:00:11,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... [2019-11-26 03:00:11,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:00:11,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:00:11,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:00:11,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:00:11,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:00:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 03:00:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:00:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:00:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:00:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 03:00:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 03:00:11,929 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:00:11,929 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-26 03:00:11,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:11 BoogieIcfgContainer [2019-11-26 03:00:11,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:00:11,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 03:00:11,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 03:00:11,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 03:00:11,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 03:00:10" (1/3) ... [2019-11-26 03:00:11,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1d24d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:00:11, skipping insertion in model container [2019-11-26 03:00:11,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:11" (2/3) ... [2019-11-26 03:00:11,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1d24d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:00:11, skipping insertion in model container [2019-11-26 03:00:11,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:11" (3/3) ... [2019-11-26 03:00:11,937 INFO L109 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_-read.c [2019-11-26 03:00:11,945 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 03:00:11,951 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-11-26 03:00:11,958 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-11-26 03:00:11,976 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 03:00:11,976 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 03:00:11,976 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 03:00:11,977 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 03:00:11,978 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 03:00:11,978 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 03:00:11,978 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 03:00:11,978 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 03:00:11,991 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-11-26 03:00:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 03:00:11,997 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:00:11,998 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-26 03:00:11,998 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-11-26 03:00:12,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:12,004 INFO L82 PathProgramCache]: Analyzing trace with hash 28698921, now seen corresponding path program 1 times [2019-11-26 03:00:12,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 03:00:12,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [826035249] [2019-11-26 03:00:12,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 03:00:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:12,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 03:00:12,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 03:00:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:12,174 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 03:00:12,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:12,213 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [826035249] [2019-11-26 03:00:12,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:00:12,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-26 03:00:12,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106776399] [2019-11-26 03:00:12,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 03:00:12,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 03:00:12,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 03:00:12,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 03:00:12,238 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 6 states. [2019-11-26 03:00:12,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:00:12,458 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2019-11-26 03:00:12,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 03:00:12,460 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2019-11-26 03:00:12,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:00:12,467 INFO L225 Difference]: With dead ends: 69 [2019-11-26 03:00:12,467 INFO L226 Difference]: Without dead ends: 65 [2019-11-26 03:00:12,469 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-26 03:00:12,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-26 03:00:12,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 39. [2019-11-26 03:00:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-26 03:00:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2019-11-26 03:00:12,499 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 5 [2019-11-26 03:00:12,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:00:12,499 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2019-11-26 03:00:12,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 03:00:12,499 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2019-11-26 03:00:12,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 03:00:12,500 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:00:12,500 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:00:12,702 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 03:00:12,702 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-11-26 03:00:12,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:12,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1809811544, now seen corresponding path program 1 times [2019-11-26 03:00:12,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 03:00:12,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1580749392] [2019-11-26 03:00:12,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 03:00:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:12,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-26 03:00:12,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 03:00:12,813 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-26 03:00:12,814 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 03:00:12,817 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 03:00:12,817 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 03:00:12,817 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-26 03:00:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:12,832 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 03:00:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:00:12,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1580749392] [2019-11-26 03:00:12,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:00:12,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-26 03:00:12,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924898301] [2019-11-26 03:00:12,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 03:00:12,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 03:00:12,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 03:00:12,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 03:00:12,843 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 4 states. [2019-11-26 03:00:12,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:00:12,986 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2019-11-26 03:00:12,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 03:00:12,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 03:00:12,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:00:12,987 INFO L225 Difference]: With dead ends: 37 [2019-11-26 03:00:12,987 INFO L226 Difference]: Without dead ends: 37 [2019-11-26 03:00:12,988 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 03:00:12,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-26 03:00:12,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-26 03:00:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-26 03:00:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2019-11-26 03:00:12,992 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 7 [2019-11-26 03:00:12,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:00:12,993 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2019-11-26 03:00:12,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 03:00:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2019-11-26 03:00:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 03:00:12,993 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:00:12,993 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:00:13,195 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 03:00:13,195 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-11-26 03:00:13,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:13,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1809811545, now seen corresponding path program 1 times [2019-11-26 03:00:13,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 03:00:13,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [245055506] [2019-11-26 03:00:13,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 03:00:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 03:00:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 03:00:13,341 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-11-26 03:00:13,341 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 03:00:13,541 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 03:00:13,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 03:00:13 BoogieIcfgContainer [2019-11-26 03:00:13,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 03:00:13,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:00:13,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:00:13,565 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:00:13,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:11" (3/4) ... [2019-11-26 03:00:13,567 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 03:00:13,611 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_137e9a10-c097-4fa2-931d-008ca7758e6a/bin/utaipan/witness.graphml [2019-11-26 03:00:13,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:00:13,612 INFO L168 Benchmark]: Toolchain (without parser) took 2640.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 942.1 MB in the beginning and 1.1 GB in the end (delta: -112.7 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:13,613 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:00:13,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 942.1 MB in the beginning and 1.2 GB in the end (delta: -219.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:13,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:13,614 INFO L168 Benchmark]: Boogie Preprocessor took 30.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:13,615 INFO L168 Benchmark]: RCFGBuilder took 475.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:13,615 INFO L168 Benchmark]: TraceAbstraction took 1632.79 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: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:13,616 INFO L168 Benchmark]: Witness Printer took 47.02 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. [2019-11-26 03:00:13,619 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 942.1 MB in the beginning and 1.2 GB in the end (delta: -219.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 475.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1632.79 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: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.02 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: - CounterExampleResult [Line: 14]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L33] i = 0 [L33] COND TRUE i < 100 [L21] int a[n], i; [L22] i = 0 [L22] COND FALSE !(i < size) [L12] int res = 0, i; [L13] i = 0 [L13] COND TRUE i < size [L14] b[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 11 error locations. Result: UNSAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 61 SDtfs, 153 SDslu, 98 SDs, 0 SdLazy, 79 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 6 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...