./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes4_true-valid-memsafety.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes4_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dcbb1d4539995e5aba39e6053775ca0fac811e ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:28:20,808 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:28:20,810 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:28:20,817 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:28:20,817 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:28:20,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:28:20,818 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:28:20,819 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:28:20,819 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:28:20,820 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:28:20,821 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:28:20,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:28:20,821 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:28:20,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:28:20,823 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:28:20,823 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:28:20,824 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:28:20,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:28:20,826 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:28:20,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:28:20,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:28:20,829 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:28:20,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:28:20,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:28:20,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:28:20,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:28:20,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:28:20,832 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:28:20,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:28:20,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:28:20,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:28:20,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:28:20,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:28:20,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:28:20,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:28:20,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:28:20,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-18 09:28:20,842 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:28:20,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:28:20,844 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:28:20,844 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:28:20,844 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:28:20,844 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:28:20,844 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:28:20,844 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:28:20,845 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:28:20,845 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:28:20,845 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:28:20,845 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 09:28:20,845 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 09:28:20,845 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 09:28:20,845 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:28:20,846 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:28:20,846 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:28:20,846 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:28:20,846 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:28:20,846 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:28:20,846 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:28:20,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:28:20,846 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:28:20,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:28:20,847 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:28:20,847 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:28:20,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dcbb1d4539995e5aba39e6053775ca0fac811e [2018-11-18 09:28:20,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:28:20,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:28:20,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:28:20,884 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:28:20,884 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:28:20,885 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety-ext3/scopes4_true-valid-memsafety.c [2018-11-18 09:28:20,930 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/data/c38de55d9/107caaea38954e36a0a44d52011d6c22/FLAG948f4ce46 [2018-11-18 09:28:21,233 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:28:21,234 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/sv-benchmarks/c/memsafety-ext3/scopes4_true-valid-memsafety.c [2018-11-18 09:28:21,239 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/data/c38de55d9/107caaea38954e36a0a44d52011d6c22/FLAG948f4ce46 [2018-11-18 09:28:21,250 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/data/c38de55d9/107caaea38954e36a0a44d52011d6c22 [2018-11-18 09:28:21,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:28:21,254 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:28:21,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:28:21,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:28:21,258 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:28:21,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:28:21" (1/1) ... [2018-11-18 09:28:21,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb6de22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21, skipping insertion in model container [2018-11-18 09:28:21,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:28:21" (1/1) ... [2018-11-18 09:28:21,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:28:21,284 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:28:21,396 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:28:21,405 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:28:21,414 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:28:21,424 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:28:21,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21 WrapperNode [2018-11-18 09:28:21,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:28:21,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:28:21,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:28:21,425 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:28:21,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21" (1/1) ... [2018-11-18 09:28:21,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21" (1/1) ... [2018-11-18 09:28:21,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21" (1/1) ... [2018-11-18 09:28:21,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21" (1/1) ... [2018-11-18 09:28:21,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21" (1/1) ... [2018-11-18 09:28:21,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21" (1/1) ... [2018-11-18 09:28:21,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21" (1/1) ... [2018-11-18 09:28:21,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:28:21,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:28:21,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:28:21,446 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:28:21,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:28:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:28:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:28:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure foo2 [2018-11-18 09:28:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-11-18 09:28:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure foo2 [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 09:28:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:28:21,650 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:28:21,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:21 BoogieIcfgContainer [2018-11-18 09:28:21,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:28:21,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:28:21,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:28:21,652 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:28:21,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:28:21" (1/3) ... [2018-11-18 09:28:21,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b66a3a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:28:21, skipping insertion in model container [2018-11-18 09:28:21,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:21" (2/3) ... [2018-11-18 09:28:21,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b66a3a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:28:21, skipping insertion in model container [2018-11-18 09:28:21,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:21" (3/3) ... [2018-11-18 09:28:21,655 INFO L112 eAbstractionObserver]: Analyzing ICFG scopes4_true-valid-memsafety.c [2018-11-18 09:28:21,660 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:28:21,664 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-11-18 09:28:21,680 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-11-18 09:28:21,701 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:28:21,702 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:28:21,702 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-18 09:28:21,702 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:28:21,702 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:28:21,702 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:28:21,702 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:28:21,702 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:28:21,702 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:28:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-11-18 09:28:21,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 09:28:21,719 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:21,720 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:21,721 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, foo2Err0REQUIRES_VIOLATION, foo2Err1REQUIRES_VIOLATION]=== [2018-11-18 09:28:21,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:21,725 INFO L82 PathProgramCache]: Analyzing trace with hash -325957377, now seen corresponding path program 1 times [2018-11-18 09:28:21,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:21,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:21,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:21,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:21,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:21,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:28:21,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:28:21,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:28:21,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:21,851 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2018-11-18 09:28:21,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:21,874 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-11-18 09:28:21,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:28:21,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 09:28:21,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:21,881 INFO L225 Difference]: With dead ends: 24 [2018-11-18 09:28:21,881 INFO L226 Difference]: Without dead ends: 19 [2018-11-18 09:28:21,882 INFO L604 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 [2018-11-18 09:28:21,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-11-18 09:28:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-11-18 09:28:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-18 09:28:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2018-11-18 09:28:21,902 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 8 [2018-11-18 09:28:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:21,903 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2018-11-18 09:28:21,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:28:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-11-18 09:28:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 09:28:21,903 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:21,903 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:21,904 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, foo2Err0REQUIRES_VIOLATION, foo2Err1REQUIRES_VIOLATION]=== [2018-11-18 09:28:21,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:21,904 INFO L82 PathProgramCache]: Analyzing trace with hash -325957376, now seen corresponding path program 1 times [2018-11-18 09:28:21,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:21,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:21,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:21,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:21,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:21,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:28:21,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:28:21,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:28:21,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:21,959 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 3 states. [2018-11-18 09:28:21,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:21,968 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-18 09:28:21,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:28:21,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 09:28:21,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:21,969 INFO L225 Difference]: With dead ends: 18 [2018-11-18 09:28:21,969 INFO L226 Difference]: Without dead ends: 18 [2018-11-18 09:28:21,969 INFO L604 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 [2018-11-18 09:28:21,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-18 09:28:21,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-18 09:28:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 09:28:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-11-18 09:28:21,971 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 8 [2018-11-18 09:28:21,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:21,971 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-11-18 09:28:21,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:28:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-11-18 09:28:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:28:21,972 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:21,972 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:21,972 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, foo2Err0REQUIRES_VIOLATION, foo2Err1REQUIRES_VIOLATION]=== [2018-11-18 09:28:21,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:21,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1826979706, now seen corresponding path program 1 times [2018-11-18 09:28:21,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:21,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:21,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:21,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:22,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:22,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:22,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:28:22,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:28:22,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:28:22,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:28:22,073 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 8 states. [2018-11-18 09:28:22,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:22,163 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-11-18 09:28:22,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:28:22,164 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-11-18 09:28:22,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:22,164 INFO L225 Difference]: With dead ends: 17 [2018-11-18 09:28:22,164 INFO L226 Difference]: Without dead ends: 17 [2018-11-18 09:28:22,165 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:28:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-18 09:28:22,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-18 09:28:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-18 09:28:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2018-11-18 09:28:22,167 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2018-11-18 09:28:22,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:22,168 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2018-11-18 09:28:22,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:28:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-11-18 09:28:22,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:28:22,168 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:22,168 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:22,169 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, foo2Err0REQUIRES_VIOLATION, foo2Err1REQUIRES_VIOLATION]=== [2018-11-18 09:28:22,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:22,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1826979705, now seen corresponding path program 1 times [2018-11-18 09:28:22,169 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:22,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:22,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:22,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:22,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:22,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:28:22,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:28:22,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:28:22,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:28:22,309 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 8 states. [2018-11-18 09:28:22,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:22,438 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-18 09:28:22,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:28:22,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-11-18 09:28:22,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:22,439 INFO L225 Difference]: With dead ends: 16 [2018-11-18 09:28:22,439 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:28:22,439 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:28:22,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:28:22,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:28:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:28:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:28:22,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-18 09:28:22,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:22,440 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:28:22,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:28:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:28:22,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:28:22,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:28:22 BoogieIcfgContainer [2018-11-18 09:28:22,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:28:22,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:28:22,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:28:22,444 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:28:22,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:21" (3/4) ... [2018-11-18 09:28:22,447 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:28:22,452 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:28:22,452 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2018-11-18 09:28:22,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:28:22,453 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure foo2 [2018-11-18 09:28:22,457 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-18 09:28:22,457 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 09:28:22,457 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:28:22,457 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:28:22,485 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4cd1aeb-e96f-4b31-b63f-00b8d75d4710/bin-2019/uautomizer/witness.graphml [2018-11-18 09:28:22,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:28:22,486 INFO L168 Benchmark]: Toolchain (without parser) took 1232.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 963.4 MB in the beginning and 1.0 GB in the end (delta: -63.5 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,486 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:28:22,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.97 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,487 INFO L168 Benchmark]: Boogie Preprocessor took 19.87 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,488 INFO L168 Benchmark]: RCFGBuilder took 204.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,488 INFO L168 Benchmark]: TraceAbstraction took 793.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.7 MB). Peak memory consumption was 89.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,488 INFO L168 Benchmark]: Witness Printer took 40.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:22,491 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 169.97 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.87 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 204.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 793.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.7 MB). Peak memory consumption was 89.7 MB. Max. memory is 11.5 GB. * Witness Printer took 40.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB 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: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 26 locations, 5 error locations. SAFE Result, 0.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 54 SDtfs, 42 SDslu, 37 SDs, 0 SdLazy, 121 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 3992 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...