java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_sendmail__tTflag_arr_one_loop_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 13:04:45,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:04:45,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:04:46,006 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:04:46,006 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:04:46,007 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:04:46,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:04:46,010 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:04:46,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:04:46,013 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:04:46,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:04:46,014 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:04:46,015 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:04:46,016 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:04:46,017 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:04:46,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:04:46,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:04:46,021 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:04:46,023 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:04:46,025 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:04:46,026 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:04:46,027 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:04:46,030 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:04:46,030 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:04:46,030 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:04:46,032 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:04:46,033 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:04:46,033 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:04:46,034 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:04:46,036 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:04:46,036 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:04:46,037 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:04:46,037 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:04:46,037 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:04:46,038 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:04:46,039 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:04:46,039 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:04:46,054 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:04:46,055 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:04:46,056 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:04:46,056 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:04:46,056 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:04:46,057 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:04:46,057 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:04:46,057 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:04:46,057 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:04:46,058 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:04:46,058 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:04:46,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:04:46,058 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:04:46,058 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:04:46,058 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:04:46,059 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:04:46,059 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:04:46,059 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:04:46,059 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:04:46,059 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:04:46,060 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:04:46,060 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:04:46,060 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:04:46,060 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:04:46,060 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:04:46,061 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:04:46,061 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:04:46,061 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:04:46,061 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:04:46,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:04:46,062 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:04:46,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:04:46,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:04:46,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:04:46,128 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:04:46,128 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:04:46,129 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_sendmail__tTflag_arr_one_loop_true-unreach-call_true-termination.i [2018-11-23 13:04:46,199 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8fc2780/7d830b6ee9c9470d96a3d18f392ccc4e/FLAG68fdf12ac [2018-11-23 13:04:46,641 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:04:46,641 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_sendmail__tTflag_arr_one_loop_true-unreach-call_true-termination.i [2018-11-23 13:04:46,648 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8fc2780/7d830b6ee9c9470d96a3d18f392ccc4e/FLAG68fdf12ac [2018-11-23 13:04:47,025 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8fc2780/7d830b6ee9c9470d96a3d18f392ccc4e [2018-11-23 13:04:47,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:04:47,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:04:47,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:04:47,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:04:47,041 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:04:47,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645f74d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47, skipping insertion in model container [2018-11-23 13:04:47,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:04:47,080 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:04:47,321 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:04:47,326 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:04:47,365 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:04:47,408 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:04:47,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47 WrapperNode [2018-11-23 13:04:47,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:04:47,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:04:47,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:04:47,411 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:04:47,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:04:47,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:04:47,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:04:47,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:04:47,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... [2018-11-23 13:04:47,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:04:47,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:04:47,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:04:47,482 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:04:47,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-23 13:04:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:04:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:04:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:04:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:04:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:04:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:04:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 13:04:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:04:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:04:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 13:04:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 13:04:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:04:48,178 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:04:48,178 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:04:48,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:48 BoogieIcfgContainer [2018-11-23 13:04:48,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:04:48,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:04:48,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:04:48,184 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:04:48,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:04:47" (1/3) ... [2018-11-23 13:04:48,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9bd642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:04:48, skipping insertion in model container [2018-11-23 13:04:48,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:47" (2/3) ... [2018-11-23 13:04:48,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a9bd642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:04:48, skipping insertion in model container [2018-11-23 13:04:48,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:48" (3/3) ... [2018-11-23 13:04:48,188 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_sendmail__tTflag_arr_one_loop_true-unreach-call_true-termination.i [2018-11-23 13:04:48,199 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:04:48,206 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:04:48,225 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:04:48,260 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:04:48,260 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:04:48,261 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:04:48,261 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:04:48,262 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:04:48,262 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:04:48,262 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:04:48,263 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:04:48,263 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:04:48,282 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-23 13:04:48,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:04:48,294 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:04:48,295 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:04:48,297 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:04:48,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:04:48,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1522547275, now seen corresponding path program 1 times [2018-11-23 13:04:48,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:04:48,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:04:48,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:04:48,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:04:48,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:04:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:04:48,544 INFO L256 TraceCheckUtils]: 0: Hoare triple {25#true} call ULTIMATE.init(); {25#true} is VALID [2018-11-23 13:04:48,549 INFO L273 TraceCheckUtils]: 1: Hoare triple {25#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {25#true} is VALID [2018-11-23 13:04:48,550 INFO L273 TraceCheckUtils]: 2: Hoare triple {25#true} assume true; {25#true} is VALID [2018-11-23 13:04:48,550 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {25#true} {25#true} #47#return; {25#true} is VALID [2018-11-23 13:04:48,550 INFO L256 TraceCheckUtils]: 4: Hoare triple {25#true} call #t~ret5 := main(); {25#true} is VALID [2018-11-23 13:04:48,551 INFO L273 TraceCheckUtils]: 5: Hoare triple {25#true} call ~#in~0.base, ~#in~0.offset := #Ultimate.alloc(11);havoc ~s~0.base, ~s~0.offset;havoc ~c~0;havoc ~i~0;havoc ~j~0;havoc ~idx_in~0;~i~0 := 0; {25#true} is VALID [2018-11-23 13:04:48,564 INFO L273 TraceCheckUtils]: 6: Hoare triple {25#true} assume !true; {26#false} is VALID [2018-11-23 13:04:48,565 INFO L273 TraceCheckUtils]: 7: Hoare triple {26#false} call write~int(0, ~#in~0.base, 10 + ~#in~0.offset, 1);~idx_in~0 := 0;~s~0.base, ~s~0.offset := ~#in~0.base, ~#in~0.offset;~i~0 := 0;call #t~mem2 := read~int(~#in~0.base, ~#in~0.offset + ~idx_in~0, 1);~c~0 := #t~mem2;havoc #t~mem2; {26#false} is VALID [2018-11-23 13:04:48,565 INFO L273 TraceCheckUtils]: 8: Hoare triple {26#false} assume !(48 <= ~c~0 % 256 && ~c~0 % 256 <= 57); {26#false} is VALID [2018-11-23 13:04:48,566 INFO L256 TraceCheckUtils]: 9: Hoare triple {26#false} call __VERIFIER_assert((if ~i~0 % 4294967296 >= 0 then 1 else 0)); {26#false} is VALID [2018-11-23 13:04:48,566 INFO L273 TraceCheckUtils]: 10: Hoare triple {26#false} ~cond := #in~cond; {26#false} is VALID [2018-11-23 13:04:48,567 INFO L273 TraceCheckUtils]: 11: Hoare triple {26#false} assume 0 == ~cond; {26#false} is VALID [2018-11-23 13:04:48,567 INFO L273 TraceCheckUtils]: 12: Hoare triple {26#false} assume !false; {26#false} is VALID [2018-11-23 13:04:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:04:48,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:04:48,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:04:48,577 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-11-23 13:04:48,580 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:04:48,583 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-23 13:04:48,651 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:04:48,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:04:48,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:04:48,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:04:48,662 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-11-23 13:04:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:04:48,998 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2018-11-23 13:04:48,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:04:48,998 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-11-23 13:04:48,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:04:49,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 13:04:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 43 transitions. [2018-11-23 13:04:49,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 13:04:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 43 transitions. [2018-11-23 13:04:49,022 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 43 transitions. [2018-11-23 13:04:49,324 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:04:49,341 INFO L225 Difference]: With dead ends: 36 [2018-11-23 13:04:49,341 INFO L226 Difference]: Without dead ends: 15 [2018-11-23 13:04:49,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:04:49,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-23 13:04:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-23 13:04:49,399 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:04:49,399 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2018-11-23 13:04:49,400 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-23 13:04:49,400 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-23 13:04:49,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:04:49,403 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-11-23 13:04:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-23 13:04:49,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:04:49,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:04:49,404 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-23 13:04:49,404 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-23 13:04:49,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:04:49,408 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-11-23 13:04:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-23 13:04:49,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:04:49,409 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:04:49,409 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:04:49,409 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:04:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-23 13:04:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-11-23 13:04:49,413 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2018-11-23 13:04:49,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:04:49,413 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2018-11-23 13:04:49,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:04:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-23 13:04:49,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:04:49,414 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:04:49,415 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:04:49,415 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:04:49,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:04:49,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1742365231, now seen corresponding path program 1 times [2018-11-23 13:04:49,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:04:49,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:04:49,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:04:49,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:04:49,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:04:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:04:49,566 INFO L256 TraceCheckUtils]: 0: Hoare triple {129#true} call ULTIMATE.init(); {129#true} is VALID [2018-11-23 13:04:49,567 INFO L273 TraceCheckUtils]: 1: Hoare triple {129#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {129#true} is VALID [2018-11-23 13:04:49,567 INFO L273 TraceCheckUtils]: 2: Hoare triple {129#true} assume true; {129#true} is VALID [2018-11-23 13:04:49,567 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {129#true} {129#true} #47#return; {129#true} is VALID [2018-11-23 13:04:49,568 INFO L256 TraceCheckUtils]: 4: Hoare triple {129#true} call #t~ret5 := main(); {129#true} is VALID [2018-11-23 13:04:49,568 INFO L273 TraceCheckUtils]: 5: Hoare triple {129#true} call ~#in~0.base, ~#in~0.offset := #Ultimate.alloc(11);havoc ~s~0.base, ~s~0.offset;havoc ~c~0;havoc ~i~0;havoc ~j~0;havoc ~idx_in~0;~i~0 := 0; {129#true} is VALID [2018-11-23 13:04:49,568 INFO L273 TraceCheckUtils]: 6: Hoare triple {129#true} assume !(~i~0 % 4294967296 < 10); {129#true} is VALID [2018-11-23 13:04:49,568 INFO L273 TraceCheckUtils]: 7: Hoare triple {129#true} call write~int(0, ~#in~0.base, 10 + ~#in~0.offset, 1);~idx_in~0 := 0;~s~0.base, ~s~0.offset := ~#in~0.base, ~#in~0.offset;~i~0 := 0;call #t~mem2 := read~int(~#in~0.base, ~#in~0.offset + ~idx_in~0, 1);~c~0 := #t~mem2;havoc #t~mem2; {129#true} is VALID [2018-11-23 13:04:49,569 INFO L273 TraceCheckUtils]: 8: Hoare triple {129#true} assume !(48 <= ~c~0 % 256 && ~c~0 % 256 <= 57); {129#true} is VALID [2018-11-23 13:04:49,570 INFO L256 TraceCheckUtils]: 9: Hoare triple {129#true} call __VERIFIER_assert((if ~i~0 % 4294967296 >= 0 then 1 else 0)); {131#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 13:04:49,572 INFO L273 TraceCheckUtils]: 10: Hoare triple {131#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {132#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 13:04:49,590 INFO L273 TraceCheckUtils]: 11: Hoare triple {132#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {130#false} is VALID [2018-11-23 13:04:49,590 INFO L273 TraceCheckUtils]: 12: Hoare triple {130#false} assume !false; {130#false} is VALID [2018-11-23 13:04:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:04:49,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:04:49,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:04:49,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-23 13:04:49,596 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:04:49,596 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 13:04:49,636 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:04:49,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:04:49,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:04:49,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:04:49,638 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 4 states. [2018-11-23 13:04:49,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:04:49,897 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-11-23 13:04:49,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:04:49,897 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-23 13:04:49,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:04:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 13:04:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2018-11-23 13:04:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 13:04:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2018-11-23 13:04:49,902 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 16 transitions. [2018-11-23 13:04:49,973 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:04:49,974 INFO L225 Difference]: With dead ends: 15 [2018-11-23 13:04:49,974 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:04:49,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:04:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:04:49,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:04:49,975 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:04:49,976 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 13:04:49,976 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:04:49,976 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:04:49,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:04:49,976 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:04:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:04:49,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:04:49,977 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:04:49,977 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:04:49,978 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:04:49,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:04:49,978 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:04:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:04:49,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:04:49,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:04:49,980 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:04:49,980 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:04:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:04:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:04:49,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-11-23 13:04:49,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:04:49,981 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:04:49,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:04:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:04:49,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:04:49,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:04:50,035 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:04:50,036 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:04:50,036 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:04:50,036 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:04:50,036 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:04:50,036 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:04:50,037 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:04:50,037 INFO L451 ceAbstractionStarter]: At program point L27-2(lines 27 33) the Hoare annotation is: true [2018-11-23 13:04:50,037 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 10 37) no Hoare annotation was computed. [2018-11-23 13:04:50,037 INFO L451 ceAbstractionStarter]: At program point L27-3(lines 27 33) the Hoare annotation is: true [2018-11-23 13:04:50,037 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 10 37) no Hoare annotation was computed. [2018-11-23 13:04:50,037 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 10 37) the Hoare annotation is: true [2018-11-23 13:04:50,037 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 20) no Hoare annotation was computed. [2018-11-23 13:04:50,038 INFO L451 ceAbstractionStarter]: At program point L18-3(lines 18 20) the Hoare annotation is: true [2018-11-23 13:04:50,038 INFO L448 ceAbstractionStarter]: For program point L18-4(lines 18 20) no Hoare annotation was computed. [2018-11-23 13:04:50,038 INFO L448 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-11-23 13:04:50,038 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-23 13:04:50,038 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-23 13:04:50,039 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-23 13:04:50,039 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-23 13:04:50,039 INFO L448 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-23 13:04:50,039 INFO L448 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-23 13:04:50,041 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 13:04:50,041 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 13:04:50,041 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 13:04:50,041 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:04:50,041 WARN L170 areAnnotationChecker]: L18-4 has no Hoare annotation [2018-11-23 13:04:50,042 WARN L170 areAnnotationChecker]: L18-4 has no Hoare annotation [2018-11-23 13:04:50,042 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2018-11-23 13:04:50,042 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 13:04:50,042 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 13:04:50,042 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:04:50,042 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:04:50,042 WARN L170 areAnnotationChecker]: L18-4 has no Hoare annotation [2018-11-23 13:04:50,043 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2018-11-23 13:04:50,043 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2018-11-23 13:04:50,043 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2018-11-23 13:04:50,043 WARN L170 areAnnotationChecker]: L5-2 has no Hoare annotation [2018-11-23 13:04:50,043 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 13:04:50,043 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2018-11-23 13:04:50,043 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2018-11-23 13:04:50,044 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 13:04:50,044 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 13:04:50,044 INFO L163 areAnnotationChecker]: CFG has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 13:04:50,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:04:50 BoogieIcfgContainer [2018-11-23 13:04:50,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:04:50,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:04:50,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:04:50,050 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:04:50,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:48" (3/4) ... [2018-11-23 13:04:50,054 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:04:50,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:04:50,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:04:50,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 13:04:50,066 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 13:04:50,067 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 13:04:50,067 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:04:50,114 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loops/veris.c_sendmail__tTflag_arr_one_loop_true-unreach-call_true-termination.i-witness.graphml [2018-11-23 13:04:50,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:04:50,116 INFO L168 Benchmark]: Toolchain (without parser) took 3081.04 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 693.6 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -648.8 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-11-23 13:04:50,118 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:04:50,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-23 13:04:50,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:04:50,119 INFO L168 Benchmark]: Boogie Preprocessor took 40.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:04:50,120 INFO L168 Benchmark]: RCFGBuilder took 697.15 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 693.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -726.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2018-11-23 13:04:50,121 INFO L168 Benchmark]: TraceAbstraction took 1868.90 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2018-11-23 13:04:50,121 INFO L168 Benchmark]: Witness Printer took 65.46 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:04:50,125 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 372.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 31.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 697.15 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 693.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -726.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1868.90 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. * Witness Printer took 65.46 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 1 SDslu, 25 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 8 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...