./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/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 c8f17cf5334c3a5b079beafc57a2e2bffaea721f ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:43:16,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:43:16,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:43:16,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:43:16,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:43:16,562 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:43:16,563 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:43:16,564 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:43:16,565 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:43:16,566 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:43:16,566 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:43:16,567 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:43:16,567 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:43:16,568 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:43:16,569 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:43:16,569 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:43:16,570 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:43:16,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:43:16,573 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:43:16,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:43:16,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:43:16,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:43:16,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:43:16,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:43:16,578 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:43:16,578 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:43:16,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:43:16,580 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:43:16,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:43:16,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:43:16,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:43:16,582 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:43:16,582 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:43:16,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:43:16,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:43:16,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:43:16,583 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-10 07:43:16,594 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:43:16,594 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:43:16,595 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:43:16,595 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:43:16,595 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:43:16,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:43:16,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:43:16,596 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 07:43:16,596 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:43:16,596 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:43:16,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:43:16,596 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 07:43:16,596 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 07:43:16,596 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 07:43:16,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:43:16,597 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:43:16,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:43:16,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:43:16,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:43:16,597 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:43:16,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:43:16,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:43:16,598 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:43:16,598 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:43:16,598 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:43:16,598 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_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/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 -> c8f17cf5334c3a5b079beafc57a2e2bffaea721f [2018-11-10 07:43:16,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:43:16,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:43:16,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:43:16,630 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:43:16,630 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:43:16,631 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c [2018-11-10 07:43:16,667 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/data/4fff251f1/f82e7df0c4f24d0d8b41616fa6478916/FLAGe786ff7cb [2018-11-10 07:43:17,071 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:43:17,071 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/sv-benchmarks/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c [2018-11-10 07:43:17,077 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/data/4fff251f1/f82e7df0c4f24d0d8b41616fa6478916/FLAGe786ff7cb [2018-11-10 07:43:17,088 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/data/4fff251f1/f82e7df0c4f24d0d8b41616fa6478916 [2018-11-10 07:43:17,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:43:17,092 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:43:17,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:43:17,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:43:17,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:43:17,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:43:17" (1/1) ... [2018-11-10 07:43:17,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680a2912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17, skipping insertion in model container [2018-11-10 07:43:17,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:43:17" (1/1) ... [2018-11-10 07:43:17,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:43:17,120 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:43:17,241 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:43:17,249 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:43:17,259 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:43:17,270 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:43:17,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17 WrapperNode [2018-11-10 07:43:17,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:43:17,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:43:17,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:43:17,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:43:17,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17" (1/1) ... [2018-11-10 07:43:17,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17" (1/1) ... [2018-11-10 07:43:17,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17" (1/1) ... [2018-11-10 07:43:17,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17" (1/1) ... [2018-11-10 07:43:17,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17" (1/1) ... [2018-11-10 07:43:17,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17" (1/1) ... [2018-11-10 07:43:17,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17" (1/1) ... [2018-11-10 07:43:17,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:43:17,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:43:17,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:43:17,291 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:43:17,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/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 [2018-11-10 07:43:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:43:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:43:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getNumbers [2018-11-10 07:43:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure getNumbers [2018-11-10 07:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 07:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 07:43:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:43:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 07:43:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 07:43:17,486 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:43:17,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:43:17 BoogieIcfgContainer [2018-11-10 07:43:17,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:43:17,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:43:17,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:43:17,488 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:43:17,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:43:17" (1/3) ... [2018-11-10 07:43:17,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cf32cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:43:17, skipping insertion in model container [2018-11-10 07:43:17,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:43:17" (2/3) ... [2018-11-10 07:43:17,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cf32cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:43:17, skipping insertion in model container [2018-11-10 07:43:17,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:43:17" (3/3) ... [2018-11-10 07:43:17,490 INFO L112 eAbstractionObserver]: Analyzing ICFG getNumbers3_true-valid-memsafety.c [2018-11-10 07:43:17,496 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:43:17,500 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-11-10 07:43:17,509 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-11-10 07:43:17,523 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:43:17,524 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:43:17,524 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-10 07:43:17,524 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:43:17,524 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:43:17,524 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:43:17,524 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:43:17,524 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:43:17,524 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:43:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-10 07:43:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 07:43:17,540 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:43:17,541 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:43:17,542 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2018-11-10 07:43:17,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:43:17,545 INFO L82 PathProgramCache]: Analyzing trace with hash -242224486, now seen corresponding path program 1 times [2018-11-10 07:43:17,546 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:43:17,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:43:17,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:17,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:43:17,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:43:17,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:43:17,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:43:17,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:43:17,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:43:17,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:43:17,692 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-11-10 07:43:17,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:43:17,738 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-11-10 07:43:17,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:43:17,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-11-10 07:43:17,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:43:17,745 INFO L225 Difference]: With dead ends: 35 [2018-11-10 07:43:17,745 INFO L226 Difference]: Without dead ends: 30 [2018-11-10 07:43:17,746 INFO L605 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 [2018-11-10 07:43:17,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-10 07:43:17,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-11-10 07:43:17,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-10 07:43:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-11-10 07:43:17,767 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 21 [2018-11-10 07:43:17,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:43:17,767 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-11-10 07:43:17,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:43:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-11-10 07:43:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 07:43:17,768 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:43:17,768 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:43:17,768 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2018-11-10 07:43:17,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:43:17,769 INFO L82 PathProgramCache]: Analyzing trace with hash -242224485, now seen corresponding path program 1 times [2018-11-10 07:43:17,769 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:43:17,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:43:17,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:17,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:43:17,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:43:17,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:43:17,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:43:17,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:43:17,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:43:17,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:43:17,869 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 4 states. [2018-11-10 07:43:17,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:43:17,928 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-11-10 07:43:17,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:43:17,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-11-10 07:43:17,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:43:17,929 INFO L225 Difference]: With dead ends: 34 [2018-11-10 07:43:17,929 INFO L226 Difference]: Without dead ends: 34 [2018-11-10 07:43:17,930 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:43:17,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-10 07:43:17,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-11-10 07:43:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-10 07:43:17,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-11-10 07:43:17,933 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 21 [2018-11-10 07:43:17,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:43:17,933 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-11-10 07:43:17,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:43:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-11-10 07:43:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 07:43:17,934 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:43:17,934 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:43:17,935 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2018-11-10 07:43:17,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:43:17,935 INFO L82 PathProgramCache]: Analyzing trace with hash -322653838, now seen corresponding path program 1 times [2018-11-10 07:43:17,935 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:43:17,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:43:17,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:17,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:43:17,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:43:18,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:43:18,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 07:43:18,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:43:18,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:43:18,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:43:18,068 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 6 states. [2018-11-10 07:43:18,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:43:18,127 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-11-10 07:43:18,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:43:18,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-10 07:43:18,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:43:18,128 INFO L225 Difference]: With dead ends: 33 [2018-11-10 07:43:18,128 INFO L226 Difference]: Without dead ends: 33 [2018-11-10 07:43:18,129 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:43:18,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-10 07:43:18,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2018-11-10 07:43:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-10 07:43:18,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-11-10 07:43:18,132 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 25 [2018-11-10 07:43:18,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:43:18,132 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-11-10 07:43:18,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:43:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-11-10 07:43:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 07:43:18,133 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:43:18,133 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:43:18,133 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2018-11-10 07:43:18,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:43:18,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1404450238, now seen corresponding path program 1 times [2018-11-10 07:43:18,133 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:43:18,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:43:18,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:18,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:43:18,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:43:18,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:43:18,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 07:43:18,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:43:18,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:43:18,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:43:18,191 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 6 states. [2018-11-10 07:43:18,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:43:18,260 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-11-10 07:43:18,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:43:18,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-11-10 07:43:18,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:43:18,262 INFO L225 Difference]: With dead ends: 30 [2018-11-10 07:43:18,262 INFO L226 Difference]: Without dead ends: 30 [2018-11-10 07:43:18,263 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:43:18,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-10 07:43:18,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-11-10 07:43:18,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-10 07:43:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-11-10 07:43:18,266 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 29 [2018-11-10 07:43:18,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:43:18,266 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-11-10 07:43:18,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:43:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-11-10 07:43:18,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 07:43:18,267 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:43:18,267 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:43:18,267 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2018-11-10 07:43:18,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:43:18,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1404450237, now seen corresponding path program 1 times [2018-11-10 07:43:18,269 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:43:18,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:43:18,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:18,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:43:18,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:43:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:43:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:43:18,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:43:18,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 07:43:18,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:43:18,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:43:18,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:43:18,331 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 6 states. [2018-11-10 07:43:18,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:43:18,400 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-11-10 07:43:18,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:43:18,400 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-11-10 07:43:18,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:43:18,400 INFO L225 Difference]: With dead ends: 29 [2018-11-10 07:43:18,400 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:43:18,401 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:43:18,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:43:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:43:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:43:18,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:43:18,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-11-10 07:43:18,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:43:18,402 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:43:18,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:43:18,402 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:43:18,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:43:18,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:43:18 BoogieIcfgContainer [2018-11-10 07:43:18,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:43:18,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:43:18,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:43:18,406 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:43:18,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:43:17" (3/4) ... [2018-11-10 07:43:18,409 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:43:18,415 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:43:18,415 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:43:18,416 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getNumbers [2018-11-10 07:43:18,419 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-10 07:43:18,419 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 07:43:18,419 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:43:18,419 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 07:43:18,449 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0fd5b7f8-ede3-4c45-9f69-c724a8f70db3/bin-2019/uautomizer/witness.graphml [2018-11-10 07:43:18,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:43:18,450 INFO L168 Benchmark]: Toolchain (without parser) took 1358.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -68.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:18,451 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:43:18,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.63 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:18,452 INFO L168 Benchmark]: Boogie Preprocessor took 20.35 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:18,452 INFO L168 Benchmark]: RCFGBuilder took 195.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:18,453 INFO L168 Benchmark]: TraceAbstraction took 919.24 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: 113.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:18,453 INFO L168 Benchmark]: Witness Printer took 43.46 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:43:18,456 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.63 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.35 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 195.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 919.24 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: 113.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.46 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 14]: 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 4 procedures, 37 locations, 5 error locations. SAFE Result, 0.8s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 76 SDtfs, 79 SDslu, 68 SDs, 0 SdLazy, 231 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 17228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 7/7 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...