./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_43_true-unreach-call_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_43_true-unreach-call_ground.i -s /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48c8c3f1e63696864126529c5e1886f2c7f2bda9 ....................................................................................................................................................................................................................................................................... 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 07:33:10,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:33:10,220 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:33:10,228 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:33:10,228 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:33:10,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:33:10,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:33:10,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:33:10,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:33:10,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:33:10,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:33:10,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:33:10,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:33:10,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:33:10,236 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:33:10,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:33:10,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:33:10,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:33:10,240 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:33:10,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:33:10,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:33:10,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:33:10,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:33:10,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:33:10,244 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:33:10,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:33:10,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:33:10,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:33:10,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:33:10,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:33:10,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:33:10,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:33:10,249 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:33:10,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:33:10,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:33:10,250 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:33:10,250 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 07:33:10,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:33:10,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:33:10,261 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:33:10,261 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:33:10,262 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:33:10,262 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:33:10,262 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:33:10,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:33:10,262 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:33:10,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:33:10,263 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:33:10,263 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:33:10,263 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:33:10,263 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:33:10,263 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:33:10,263 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:33:10,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:33:10,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:33:10,264 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:33:10,264 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:33:10,264 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:33:10,264 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:33:10,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:33:10,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:33:10,265 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:33:10,265 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:33:10,265 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:33:10,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:33:10,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:33:10,265 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_74824492-56fe-4c07-909a-8c78b4d8a1ef/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 ! call(__VERIFIER_error())) ) 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 -> 48c8c3f1e63696864126529c5e1886f2c7f2bda9 [2018-11-10 07:33:10,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:33:10,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:33:10,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:33:10,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:33:10,303 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:33:10,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/../../sv-benchmarks/c/array-examples/sanfoundry_43_true-unreach-call_ground.i [2018-11-10 07:33:10,344 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/data/d4c73e783/c691938ddb39443e96e3bd8407af99d3/FLAGd6957dc92 [2018-11-10 07:33:10,678 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:33:10,679 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/sv-benchmarks/c/array-examples/sanfoundry_43_true-unreach-call_ground.i [2018-11-10 07:33:10,684 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/data/d4c73e783/c691938ddb39443e96e3bd8407af99d3/FLAGd6957dc92 [2018-11-10 07:33:10,694 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/data/d4c73e783/c691938ddb39443e96e3bd8407af99d3 [2018-11-10 07:33:10,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:33:10,697 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:33:10,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:33:10,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:33:10,701 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:33:10,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:10" (1/1) ... [2018-11-10 07:33:10,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10, skipping insertion in model container [2018-11-10 07:33:10,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:33:10" (1/1) ... [2018-11-10 07:33:10,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:33:10,724 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:33:10,834 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:33:10,840 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:33:10,852 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:33:10,863 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:33:10,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10 WrapperNode [2018-11-10 07:33:10,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:33:10,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:33:10,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:33:10,864 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:33:10,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10" (1/1) ... [2018-11-10 07:33:10,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10" (1/1) ... [2018-11-10 07:33:10,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10" (1/1) ... [2018-11-10 07:33:10,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10" (1/1) ... [2018-11-10 07:33:10,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10" (1/1) ... [2018-11-10 07:33:10,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10" (1/1) ... [2018-11-10 07:33:10,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10" (1/1) ... [2018-11-10 07:33:10,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:33:10,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:33:10,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:33:10,891 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:33:10,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/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 07:33:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:33:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:33:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 07:33:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure incrementArray [2018-11-10 07:33:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:33:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:33:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 07:33:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure incrementArray [2018-11-10 07:33:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 07:33:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 07:33:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:33:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:33:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 07:33:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:33:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:33:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 07:33:11,123 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:33:11,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:11 BoogieIcfgContainer [2018-11-10 07:33:11,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:33:11,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:33:11,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:33:11,126 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:33:11,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:33:10" (1/3) ... [2018-11-10 07:33:11,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a0623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:11, skipping insertion in model container [2018-11-10 07:33:11,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:33:10" (2/3) ... [2018-11-10 07:33:11,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a0623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:33:11, skipping insertion in model container [2018-11-10 07:33:11,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:11" (3/3) ... [2018-11-10 07:33:11,129 INFO L112 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_true-unreach-call_ground.i [2018-11-10 07:33:11,135 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:33:11,139 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:33:11,150 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:33:11,175 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:33:11,175 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:33:11,175 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:33:11,175 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:33:11,175 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:33:11,176 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:33:11,176 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:33:11,176 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:33:11,176 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:33:11,189 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-11-10 07:33:11,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:33:11,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 33 states. [2018-11-10 07:33:11,247 INFO L425 ceAbstractionStarter]: For program point L6-5(lines 3 9) no Hoare annotation was computed. [2018-11-10 07:33:11,247 INFO L428 ceAbstractionStarter]: At program point incrementArrayENTRY(lines 3 9) the Hoare annotation is: true [2018-11-10 07:33:11,247 INFO L425 ceAbstractionStarter]: For program point incrementArrayEXIT(lines 3 9) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point L7-1(line 7) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point L6-1(lines 6 8) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point L7-2(line 7) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point L6-3(lines 6 8) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L428 ceAbstractionStarter]: At program point L6-4(lines 6 8) the Hoare annotation is: true [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 07:33:11,248 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:33:11,248 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 20) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L428 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: true [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 20) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L13-2(line 13) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 20) the Hoare annotation is: true [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 18) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L16-3(lines 16 18) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-11-10 07:33:11,249 INFO L428 ceAbstractionStarter]: At program point L16-4(lines 16 18) the Hoare annotation is: true [2018-11-10 07:33:11,249 INFO L425 ceAbstractionStarter]: For program point L16-5(lines 16 18) no Hoare annotation was computed. [2018-11-10 07:33:11,250 INFO L425 ceAbstractionStarter]: For program point L12-1(line 12) no Hoare annotation was computed. [2018-11-10 07:33:11,250 INFO L425 ceAbstractionStarter]: For program point L12-2(line 12) no Hoare annotation was computed. [2018-11-10 07:33:11,250 INFO L425 ceAbstractionStarter]: For program point L2-1(line 2) no Hoare annotation was computed. [2018-11-10 07:33:11,251 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2018-11-10 07:33:11,251 INFO L425 ceAbstractionStarter]: For program point L2-3(line 2) no Hoare annotation was computed. [2018-11-10 07:33:11,251 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertENTRY(line 2) no Hoare annotation was computed. [2018-11-10 07:33:11,251 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 2) no Hoare annotation was computed. [2018-11-10 07:33:11,251 INFO L425 ceAbstractionStarter]: For program point L2(line 2) no Hoare annotation was computed. [2018-11-10 07:33:11,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:33:11 BoogieIcfgContainer [2018-11-10 07:33:11,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:33:11,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:33:11,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:33:11,256 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:33:11,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:33:11" (3/4) ... [2018-11-10 07:33:11,259 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:33:11,265 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure incrementArray [2018-11-10 07:33:11,265 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:33:11,265 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:33:11,265 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 07:33:11,268 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 07:33:11,268 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 07:33:11,268 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:33:11,294 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_74824492-56fe-4c07-909a-8c78b4d8a1ef/bin-2019/uautomizer/witness.graphml [2018-11-10 07:33:11,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:33:11,295 INFO L168 Benchmark]: Toolchain (without parser) took 598.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:33:11,296 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:33:11,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.45 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,296 INFO L168 Benchmark]: Boogie Preprocessor took 27.06 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,297 INFO L168 Benchmark]: RCFGBuilder took 232.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,297 INFO L168 Benchmark]: TraceAbstraction took 132.34 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,298 INFO L168 Benchmark]: Witness Printer took 38.06 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:33:11,299 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.45 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.06 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 232.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 132.34 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 38.06 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: 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: 2]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 1 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 8 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...