./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/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 0dfe0f165ef563fbd088ad0368faf44ddd32870a .......................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 13:46:40,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:46:40,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:46:40,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:46:40,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:46:40,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:46:40,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:46:40,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:46:40,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:46:40,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:46:40,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:46:40,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:46:40,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:46:40,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:46:40,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:46:40,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:46:40,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:46:40,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:46:40,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:46:40,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:46:40,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:46:40,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:46:40,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:46:40,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:46:40,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:46:40,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:46:40,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:46:40,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:46:40,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:46:40,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:46:40,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:46:40,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:46:40,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:46:40,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:46:40,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:46:40,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:46:40,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:46:40,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:46:40,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:46:40,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:46:40,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:46:40,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 13:46:40,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:46:40,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:46:40,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:46:40,684 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:46:40,684 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:46:40,684 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:46:40,684 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:46:40,684 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:46:40,685 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:46:40,685 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:46:40,685 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:46:40,685 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:46:40,685 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:46:40,685 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:46:40,685 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:46:40,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:46:40,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:46:40,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:46:40,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:46:40,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:46:40,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:46:40,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:46:40,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:46:40,687 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 13:46:40,687 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 13:46:40,687 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 13:46:40,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:46:40,687 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:46:40,687 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:46:40,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:46:40,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:46:40,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:46:40,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:46:40,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:46:40,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:46:40,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:46:40,688 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:46:40,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:46:40,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:46:40,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:46:40,689 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/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 -> 0dfe0f165ef563fbd088ad0368faf44ddd32870a [2019-12-07 13:46:40,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:46:40,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:46:40,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:46:40,799 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:46:40,800 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:46:40,800 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2019-12-07 13:46:40,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/data/ca2f12339/3a4235d9e3664ec79b2bdffacc465005/FLAG746f2c4f5 [2019-12-07 13:46:41,226 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:46:41,226 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2019-12-07 13:46:41,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/data/ca2f12339/3a4235d9e3664ec79b2bdffacc465005/FLAG746f2c4f5 [2019-12-07 13:46:41,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/data/ca2f12339/3a4235d9e3664ec79b2bdffacc465005 [2019-12-07 13:46:41,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:46:41,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:46:41,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:46:41,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:46:41,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:46:41,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f12ee6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41, skipping insertion in model container [2019-12-07 13:46:41,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:46:41,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:46:41,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:46:41,419 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:46:41,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:46:41,447 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:46:41,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41 WrapperNode [2019-12-07 13:46:41,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:46:41,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:46:41,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:46:41,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:46:41,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:46:41,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:46:41,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:46:41,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:46:41,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... [2019-12-07 13:46:41,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:46:41,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:46:41,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:46:41,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:46:41,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/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 [2019-12-07 13:46:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:46:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:46:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:46:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:46:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:46:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:46:41,759 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:46:41,759 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 13:46:41,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:46:41 BoogieIcfgContainer [2019-12-07 13:46:41,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:46:41,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:46:41,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:46:41,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:46:41,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:46:41" (1/3) ... [2019-12-07 13:46:41,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bdb4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:46:41, skipping insertion in model container [2019-12-07 13:46:41,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:46:41" (2/3) ... [2019-12-07 13:46:41,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bdb4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:46:41, skipping insertion in model container [2019-12-07 13:46:41,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:46:41" (3/3) ... [2019-12-07 13:46:41,765 INFO L109 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_-write.c [2019-12-07 13:46:41,771 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:46:41,775 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-12-07 13:46:41,782 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-12-07 13:46:41,795 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:46:41,796 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 13:46:41,796 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:46:41,796 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:46:41,796 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:46:41,796 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:46:41,796 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:46:41,796 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:46:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 13:46:41,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 13:46:41,810 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:46:41,811 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 13:46:41,811 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 13:46:41,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:41,815 INFO L82 PathProgramCache]: Analyzing trace with hash 3121969, now seen corresponding path program 1 times [2019-12-07 13:46:41,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:46:41,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325073983] [2019-12-07 13:46:41,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:46:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:46:41,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325073983] [2019-12-07 13:46:41,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:46:41,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:46:41,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486573310] [2019-12-07 13:46:41,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:46:41,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:46:41,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:46:41,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:46:41,929 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-12-07 13:46:41,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:46:41,969 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2019-12-07 13:46:41,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:46:41,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-07 13:46:41,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:46:41,976 INFO L225 Difference]: With dead ends: 37 [2019-12-07 13:46:41,976 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 13:46:41,977 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:46:41,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 13:46:42,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 20. [2019-12-07 13:46:42,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 13:46:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-12-07 13:46:42,006 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 4 [2019-12-07 13:46:42,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:46:42,006 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-12-07 13:46:42,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:46:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-12-07 13:46:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 13:46:42,006 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:46:42,006 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 13:46:42,007 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 13:46:42,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:42,007 INFO L82 PathProgramCache]: Analyzing trace with hash 3050837, now seen corresponding path program 1 times [2019-12-07 13:46:42,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:46:42,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25963248] [2019-12-07 13:46:42,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:46:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:46:42,032 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25963248] [2019-12-07 13:46:42,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:46:42,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 13:46:42,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195065793] [2019-12-07 13:46:42,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:46:42,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:46:42,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:46:42,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:46:42,034 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 3 states. [2019-12-07 13:46:42,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:46:42,051 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-12-07 13:46:42,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:46:42,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-07 13:46:42,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:46:42,052 INFO L225 Difference]: With dead ends: 18 [2019-12-07 13:46:42,052 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 13:46:42,053 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:46:42,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 13:46:42,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 13:46:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 13:46:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-12-07 13:46:42,055 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 4 [2019-12-07 13:46:42,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:46:42,055 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-12-07 13:46:42,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:46:42,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-12-07 13:46:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 13:46:42,055 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:46:42,055 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 13:46:42,056 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 13:46:42,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:42,056 INFO L82 PathProgramCache]: Analyzing trace with hash 3050838, now seen corresponding path program 1 times [2019-12-07 13:46:42,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:46:42,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337737957] [2019-12-07 13:46:42,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:46:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:46:42,090 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337737957] [2019-12-07 13:46:42,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:46:42,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:46:42,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508798271] [2019-12-07 13:46:42,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:46:42,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:46:42,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:46:42,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:46:42,091 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 4 states. [2019-12-07 13:46:42,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:46:42,129 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2019-12-07 13:46:42,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:46:42,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-12-07 13:46:42,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:46:42,130 INFO L225 Difference]: With dead ends: 37 [2019-12-07 13:46:42,130 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 13:46:42,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:46:42,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 13:46:42,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 19. [2019-12-07 13:46:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 13:46:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-12-07 13:46:42,133 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 4 [2019-12-07 13:46:42,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:46:42,134 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-12-07 13:46:42,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:46:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-12-07 13:46:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 13:46:42,134 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:46:42,134 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 13:46:42,134 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 13:46:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:46:42,134 INFO L82 PathProgramCache]: Analyzing trace with hash 3048869, now seen corresponding path program 1 times [2019-12-07 13:46:42,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:46:42,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071791409] [2019-12-07 13:46:42,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:46:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:46:42,166 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 13:46:42,166 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:46:42,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:46:42 BoogieIcfgContainer [2019-12-07 13:46:42,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:46:42,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:46:42,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:46:42,181 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:46:42,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:46:41" (3/4) ... [2019-12-07 13:46:42,183 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:46:42,208 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ae37e789-5a9f-49b3-817e-28cdb2bfd2ac/bin/utaipan/witness.graphml [2019-12-07 13:46:42,208 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:46:42,210 INFO L168 Benchmark]: Toolchain (without parser) took 968.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -66.2 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:46:42,210 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:46:42,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:46:42,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:46:42,211 INFO L168 Benchmark]: Boogie Preprocessor took 16.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:46:42,212 INFO L168 Benchmark]: RCFGBuilder took 269.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:46:42,212 INFO L168 Benchmark]: TraceAbstraction took 420.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:46:42,213 INFO L168 Benchmark]: Witness Printer took 27.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:46:42,216 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 269.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 420.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. * Witness Printer took 27.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: [L21] int i, b[100]; [L22] i = 0 [L22] COND TRUE i < 100 [L13] int a[n], i; [L14] i = 0 [L14] COND TRUE i < size [L15] a[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 8 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 30 SDtfs, 54 SDslu, 21 SDs, 0 SdLazy, 64 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=1, 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, 3 MinimizatonAttempts, 33 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...