./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrcmp_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrcmp_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 256a9ac0f321f0d2863fb720d2ae6cb61570c373 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:08:55,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:08:55,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:08:55,356 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:08:55,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:08:55,357 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:08:55,358 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:08:55,359 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:08:55,360 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:08:55,361 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:08:55,361 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:08:55,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:08:55,362 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:08:55,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:08:55,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:08:55,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:08:55,364 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:08:55,365 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:08:55,367 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:08:55,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:08:55,368 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:08:55,369 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:08:55,370 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:08:55,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:08:55,371 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:08:55,371 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:08:55,372 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:08:55,372 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:08:55,373 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:08:55,373 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:08:55,374 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:08:55,374 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:08:55,374 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:08:55,374 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:08:55,375 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:08:55,375 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:08:55,375 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-28 13:08:55,385 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:08:55,385 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:08:55,385 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:08:55,385 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:08:55,386 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:08:55,386 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:08:55,386 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:08:55,386 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:08:55,386 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:08:55,386 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:08:55,387 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:08:55,387 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:08:55,387 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:08:55,387 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:08:55,387 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 13:08:55,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:08:55,387 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:08:55,387 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:08:55,387 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:08:55,388 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:08:55,388 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:08:55,388 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:08:55,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:08:55,388 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:08:55,388 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:08:55,388 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:08:55,389 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:08:55,389 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:08:55,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:08:55,389 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 256a9ac0f321f0d2863fb720d2ae6cb61570c373 [2018-11-28 13:08:55,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:08:55,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:08:55,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:08:55,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:08:55,422 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:08:55,422 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/cstrcmp_true-termination_true-no-overflow.c [2018-11-28 13:08:55,457 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/data/e30741945/01af1528f6d647859efc4b0b5fa0c435/FLAG4927e0658 [2018-11-28 13:08:55,795 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:08:55,796 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/sv-benchmarks/c/termination-crafted-lit/cstrcmp_true-termination_true-no-overflow.c [2018-11-28 13:08:55,801 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/data/e30741945/01af1528f6d647859efc4b0b5fa0c435/FLAG4927e0658 [2018-11-28 13:08:56,230 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/data/e30741945/01af1528f6d647859efc4b0b5fa0c435 [2018-11-28 13:08:56,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:08:56,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:08:56,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:08:56,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:08:56,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:08:56,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74867e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56, skipping insertion in model container [2018-11-28 13:08:56,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:08:56,251 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:08:56,353 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:08:56,358 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:08:56,369 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:08:56,377 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:08:56,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56 WrapperNode [2018-11-28 13:08:56,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:08:56,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:08:56,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:08:56,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:08:56,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:08:56,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:08:56,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:08:56,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:08:56,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... [2018-11-28 13:08:56,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:08:56,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:08:56,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:08:56,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:08:56,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/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 [2018-11-28 13:08:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:08:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-11-28 13:08:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-11-28 13:08:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:08:56,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:08:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:08:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure cstrcmp [2018-11-28 13:08:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cstrcmp [2018-11-28 13:08:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:08:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:08:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:08:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:08:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:08:56,598 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:08:56,599 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 13:08:56,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:08:56 BoogieIcfgContainer [2018-11-28 13:08:56,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:08:56,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:08:56,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:08:56,602 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:08:56,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:08:56" (1/3) ... [2018-11-28 13:08:56,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c977cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:08:56, skipping insertion in model container [2018-11-28 13:08:56,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:08:56" (2/3) ... [2018-11-28 13:08:56,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c977cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:08:56, skipping insertion in model container [2018-11-28 13:08:56,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:08:56" (3/3) ... [2018-11-28 13:08:56,605 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcmp_true-termination_true-no-overflow.c [2018-11-28 13:08:56,612 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:08:56,616 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-28 13:08:56,625 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-28 13:08:56,642 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:08:56,642 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:08:56,643 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:08:56,643 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:08:56,643 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:08:56,643 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:08:56,643 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:08:56,643 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:08:56,643 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:08:56,653 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-28 13:08:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 13:08:56,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:08:56,657 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:08:56,658 INFO L423 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 13:08:56,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:08:56,661 INFO L82 PathProgramCache]: Analyzing trace with hash 858224737, now seen corresponding path program 1 times [2018-11-28 13:08:56,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:08:56,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:08:56,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:08:56,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:08:56,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:08:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:08:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:08:56,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:08:56,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:08:56,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:08:56,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:08:56,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:08:56,765 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2018-11-28 13:08:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:08:56,817 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2018-11-28 13:08:56,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:08:56,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 13:08:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:08:56,824 INFO L225 Difference]: With dead ends: 52 [2018-11-28 13:08:56,824 INFO L226 Difference]: Without dead ends: 25 [2018-11-28 13:08:56,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:08:56,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-28 13:08:56,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2018-11-28 13:08:56,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-28 13:08:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2018-11-28 13:08:56,850 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 9 [2018-11-28 13:08:56,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:08:56,850 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2018-11-28 13:08:56,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:08:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-11-28 13:08:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 13:08:56,851 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:08:56,851 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:08:56,851 INFO L423 AbstractCegarLoop]: === Iteration 2 === [build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 13:08:56,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:08:56,851 INFO L82 PathProgramCache]: Analyzing trace with hash 858224799, now seen corresponding path program 1 times [2018-11-28 13:08:56,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:08:56,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:08:56,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:08:56,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:08:56,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:08:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:08:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:08:56,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:08:56,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:08:56,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:08:56,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:08:56,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:08:56,872 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 3 states. [2018-11-28 13:08:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:08:56,900 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2018-11-28 13:08:56,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:08:56,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 13:08:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:08:56,901 INFO L225 Difference]: With dead ends: 22 [2018-11-28 13:08:56,901 INFO L226 Difference]: Without dead ends: 20 [2018-11-28 13:08:56,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:08:56,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-28 13:08:56,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2018-11-28 13:08:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-28 13:08:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-11-28 13:08:56,905 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 9 [2018-11-28 13:08:56,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:08:56,905 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-11-28 13:08:56,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:08:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-28 13:08:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 13:08:56,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:08:56,905 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:08:56,906 INFO L423 AbstractCegarLoop]: === Iteration 3 === [build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 13:08:56,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:08:56,906 INFO L82 PathProgramCache]: Analyzing trace with hash 835163111, now seen corresponding path program 1 times [2018-11-28 13:08:56,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:08:56,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:08:56,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:08:56,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:08:56,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:08:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:08:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:08:56,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:08:56,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:08:56,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:08:56,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:08:56,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:08:56,933 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 3 states. [2018-11-28 13:08:56,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:08:56,948 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-11-28 13:08:56,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:08:56,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 13:08:56,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:08:56,949 INFO L225 Difference]: With dead ends: 17 [2018-11-28 13:08:56,949 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:08:56,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:08:56,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:08:56,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:08:56,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:08:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:08:56,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-28 13:08:56,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:08:56,950 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:08:56,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:08:56,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:08:56,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:08:56,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringFINAL(lines 12 20) no Hoare annotation was computed. [2018-11-28 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-11-28 13:08:56,970 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-11-28 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-28 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-28 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-11-28 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 16) no Hoare annotation was computed. [2018-11-28 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2018-11-28 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point L14-2(lines 14 16) no Hoare annotation was computed. [2018-11-28 13:08:56,971 INFO L451 ceAbstractionStarter]: At program point build_nondet_StringENTRY(lines 12 20) the Hoare annotation is: true [2018-11-28 13:08:56,971 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2018-11-28 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringEXIT(lines 12 20) no Hoare annotation was computed. [2018-11-28 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:08:56,972 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point cstrcmpEXIT(lines 26 41) no Hoare annotation was computed. [2018-11-28 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-28 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point cstrcmpFINAL(lines 26 41) no Hoare annotation was computed. [2018-11-28 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point L40-2(line 40) no Hoare annotation was computed. [2018-11-28 13:08:56,972 INFO L451 ceAbstractionStarter]: At program point cstrcmpENTRY(lines 26 41) the Hoare annotation is: true [2018-11-28 13:08:56,972 INFO L448 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-11-28 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point L32-3(lines 32 35) no Hoare annotation was computed. [2018-11-28 13:08:56,973 INFO L451 ceAbstractionStarter]: At program point L32-5(lines 32 35) the Hoare annotation is: true [2018-11-28 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point L32-6(lines 32 35) no Hoare annotation was computed. [2018-11-28 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:08:56,973 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 13:08:56,973 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:08:56,973 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 43 45) the Hoare annotation is: true [2018-11-28 13:08:56,973 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 43 45) no Hoare annotation was computed. [2018-11-28 13:08:56,973 INFO L451 ceAbstractionStarter]: At program point L44(line 44) the Hoare annotation is: true [2018-11-28 13:08:56,974 INFO L451 ceAbstractionStarter]: At program point L44-1(line 44) the Hoare annotation is: true [2018-11-28 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-11-28 13:08:56,974 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 43 45) no Hoare annotation was computed. [2018-11-28 13:08:56,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:08:56 BoogieIcfgContainer [2018-11-28 13:08:56,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:08:56,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:08:56,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:08:56,979 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:08:56,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:08:56" (3/4) ... [2018-11-28 13:08:56,982 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:08:56,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2018-11-28 13:08:56,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:08:56,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cstrcmp [2018-11-28 13:08:56,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:08:56,992 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-28 13:08:56,992 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 13:08:56,992 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:08:57,031 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c6d8a25-927c-43cf-9b69-364d9b40e5cd/bin-2019/uautomizer/witness.graphml [2018-11-28 13:08:57,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:08:57,032 INFO L168 Benchmark]: Toolchain (without parser) took 799.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -107.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:08:57,033 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:08:57,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.24 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:08:57,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.49 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:08:57,034 INFO L168 Benchmark]: Boogie Preprocessor took 49.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:08:57,034 INFO L168 Benchmark]: RCFGBuilder took 157.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:08:57,035 INFO L168 Benchmark]: TraceAbstraction took 378.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:08:57,035 INFO L168 Benchmark]: Witness Printer took 52.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:08:57,037 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.24 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.49 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 378.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * Witness Printer took 52.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 4 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 54 SDtfs, 18 SDslu, 43 SDs, 0 SdLazy, 27 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 9 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...