./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/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 64d26f08f1705388a8bcbde0799622957ce08f36 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:03:15,296 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:03:15,297 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:03:15,303 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:03:15,303 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:03:15,304 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:03:15,305 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:03:15,306 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:03:15,306 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:03:15,307 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:03:15,307 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:03:15,308 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:03:15,308 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:03:15,309 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:03:15,310 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:03:15,310 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:03:15,311 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:03:15,312 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:03:15,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:03:15,316 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:03:15,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:03:15,317 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:03:15,319 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:03:15,319 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:03:15,319 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:03:15,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:03:15,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:03:15,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:03:15,322 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:03:15,323 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:03:15,323 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:03:15,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:03:15,324 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:03:15,324 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:03:15,325 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:03:15,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:03:15,326 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-22 23:03:15,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:03:15,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:03:15,337 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:03:15,337 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:03:15,337 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:03:15,337 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:03:15,337 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:03:15,338 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:03:15,338 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:03:15,340 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:03:15,341 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:03:15,341 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:03:15,341 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:03:15,341 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:03:15,342 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:03:15,342 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:03:15,342 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:03:15,342 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:03:15,342 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:03:15,342 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:03:15,343 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:03:15,343 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-22 23:03:15,343 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-22 23:03:15,343 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-22 23:03:15,343 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:03:15,343 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:03:15,344 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:03:15,344 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:03:15,344 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:03:15,344 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:03:15,344 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:03:15,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:03:15,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:03:15,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:03:15,346 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:03:15,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:03:15,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:03:15,347 INFO L133 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/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/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 -> 64d26f08f1705388a8bcbde0799622957ce08f36 [2018-11-22 23:03:15,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:03:15,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:03:15,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:03:15,384 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:03:15,384 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:03:15,385 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-11-22 23:03:15,427 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/data/f40c898d6/adc50e78899a4315a29a2d233289d3cd/FLAGdcb44a02d [2018-11-22 23:03:15,837 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:03:15,837 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-11-22 23:03:15,842 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/data/f40c898d6/adc50e78899a4315a29a2d233289d3cd/FLAGdcb44a02d [2018-11-22 23:03:15,851 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/data/f40c898d6/adc50e78899a4315a29a2d233289d3cd [2018-11-22 23:03:15,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:03:15,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:03:15,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:03:15,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:03:15,857 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:03:15,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:15" (1/1) ... [2018-11-22 23:03:15,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa4fa66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:15, skipping insertion in model container [2018-11-22 23:03:15,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:15" (1/1) ... [2018-11-22 23:03:15,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:03:15,878 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:03:16,000 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:03:16,016 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:03:16,039 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:03:16,060 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:03:16,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16 WrapperNode [2018-11-22 23:03:16,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:03:16,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:03:16,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:03:16,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:03:16,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... [2018-11-22 23:03:16,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... [2018-11-22 23:03:16,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:03:16,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:03:16,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:03:16,118 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:03:16,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... [2018-11-22 23:03:16,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... [2018-11-22 23:03:16,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... [2018-11-22 23:03:16,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... [2018-11-22 23:03:16,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... [2018-11-22 23:03:16,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... [2018-11-22 23:03:16,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... [2018-11-22 23:03:16,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:03:16,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:03:16,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:03:16,157 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:03:16,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/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 [2018-11-22 23:03:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 23:03:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 23:03:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:03:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:03:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:03:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:03:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:03:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 23:03:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:03:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:03:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:03:16,689 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:03:16,689 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-22 23:03:16,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:16 BoogieIcfgContainer [2018-11-22 23:03:16,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:03:16,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:03:16,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:03:16,691 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:03:16,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:03:15" (1/3) ... [2018-11-22 23:03:16,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc6e3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:16, skipping insertion in model container [2018-11-22 23:03:16,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:16" (2/3) ... [2018-11-22 23:03:16,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc6e3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:16, skipping insertion in model container [2018-11-22 23:03:16,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:16" (3/3) ... [2018-11-22 23:03:16,694 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization1_true-valid-memsafety.c [2018-11-22 23:03:16,700 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:03:16,705 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2018-11-22 23:03:16,715 INFO L257 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2018-11-22 23:03:16,734 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:03:16,734 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-22 23:03:16,734 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:03:16,734 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:03:16,734 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:03:16,735 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:03:16,735 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:03:16,735 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:03:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-22 23:03:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-22 23:03:16,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:16,757 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-22 23:03:16,758 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2018-11-22 23:03:16,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:16,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869513, now seen corresponding path program 1 times [2018-11-22 23:03:16,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:16,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:16,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:16,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:16,794 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:16,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:03:16,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:16,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:03:16,945 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:16,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:03:16,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:03:16,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:03:16,958 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 3 states. [2018-11-22 23:03:17,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:17,169 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2018-11-22 23:03:17,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:03:17,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-11-22 23:03:17,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:17,177 INFO L225 Difference]: With dead ends: 118 [2018-11-22 23:03:17,178 INFO L226 Difference]: Without dead ends: 113 [2018-11-22 23:03:17,179 INFO L631 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 [2018-11-22 23:03:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-22 23:03:17,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-11-22 23:03:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-22 23:03:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2018-11-22 23:03:17,210 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 6 [2018-11-22 23:03:17,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:17,210 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2018-11-22 23:03:17,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:03:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2018-11-22 23:03:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-22 23:03:17,211 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:03:17,211 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-22 23:03:17,211 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2018-11-22 23:03:17,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:03:17,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869514, now seen corresponding path program 1 times [2018-11-22 23:03:17,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:03:17,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:17,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:03:17,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:03:17,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:03:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:03:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:03:17,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:03:17,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:03:17,308 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:03:17,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:03:17,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:03:17,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:03:17,310 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand 3 states. [2018-11-22 23:03:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:03:17,397 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2018-11-22 23:03:17,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:03:17,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-11-22 23:03:17,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:03:17,398 INFO L225 Difference]: With dead ends: 73 [2018-11-22 23:03:17,398 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:03:17,399 INFO L631 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 [2018-11-22 23:03:17,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:03:17,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:03:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:03:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:03:17,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-11-22 23:03:17,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:03:17,400 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:03:17,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:03:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:03:17,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:03:17,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:03:17 BoogieIcfgContainer [2018-11-22 23:03:17,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:03:17,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:03:17,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:03:17,404 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:03:17,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:16" (3/4) ... [2018-11-22 23:03:17,407 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:03:17,411 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:03:17,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:03:17,418 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 129 nodes and edges [2018-11-22 23:03:17,419 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2018-11-22 23:03:17,419 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-11-22 23:03:17,419 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-22 23:03:17,419 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 23:03:17,420 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 23:03:17,420 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:03:17,464 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b587b58d-a9d2-44d8-8fe8-b84948fa9481/bin-2019/utaipan/witness.graphml [2018-11-22 23:03:17,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:03:17,464 INFO L168 Benchmark]: Toolchain (without parser) took 1611.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 959.1 MB in the beginning and 957.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 117.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,465 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:03:17,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.50 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 943.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,466 INFO L168 Benchmark]: Boogie Preprocessor took 38.82 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,466 INFO L168 Benchmark]: RCFGBuilder took 532.20 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,467 INFO L168 Benchmark]: TraceAbstraction took 714.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 962.3 MB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,467 INFO L168 Benchmark]: Witness Printer took 59.80 ms. Allocated memory is still 1.1 GB. Free memory was 962.3 MB in the beginning and 957.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:03:17,469 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.50 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 943.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.82 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 532.20 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 714.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 962.3 MB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * Witness Printer took 59.80 ms. Allocated memory is still 1.1 GB. Free memory was 962.3 MB in the beginning and 957.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 159 locations, 81 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 70 SDtfs, 179 SDslu, 2 SDs, 0 SdLazy, 119 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...