java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/sum03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:11:33,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:11:33,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:11:33,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:11:33,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:11:33,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:11:33,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:11:33,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:11:33,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:11:33,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:11:33,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:11:33,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:11:33,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:11:33,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:11:33,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:11:33,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:11:33,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:11:33,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:11:33,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:11:33,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:11:33,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:11:33,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:11:33,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:11:33,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:11:33,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 16:11:33,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:11:33,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:11:33,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:11:33,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:11:33,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:11:33,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:11:33,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:11:33,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:11:33,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:11:33,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:11:33,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:11:33,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-16 16:11:33,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:11:33,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:11:33,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:11:33,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:11:33,425 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:11:33,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:11:33,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:11:33,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:11:33,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:11:33,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:11:33,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:11:33,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:11:33,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:11:33,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:11:33,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:11:33,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:11:33,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:11:33,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:11:33,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:11:33,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:11:33,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:11:33,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:11:33,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:11:33,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:11:33,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:11:33,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:11:33,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:11:33,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:11:33,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:11:33,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:11:33,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:11:33,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:11:33,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:11:33,474 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:11:33,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-2.i [2019-09-16 16:11:33,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a0dd04db/c62e059992bf4984bd9a4f8c4f3c2a1d/FLAG1bc83ae53 [2019-09-16 16:11:33,950 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:11:33,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i [2019-09-16 16:11:33,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a0dd04db/c62e059992bf4984bd9a4f8c4f3c2a1d/FLAG1bc83ae53 [2019-09-16 16:11:34,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a0dd04db/c62e059992bf4984bd9a4f8c4f3c2a1d [2019-09-16 16:11:34,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:11:34,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:11:34,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:11:34,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:11:34,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:11:34,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:11:34" (1/1) ... [2019-09-16 16:11:34,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5489f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34, skipping insertion in model container [2019-09-16 16:11:34,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:11:34" (1/1) ... [2019-09-16 16:11:34,378 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:11:34,394 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:11:34,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:11:34,602 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:11:34,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:11:34,632 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:11:34,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34 WrapperNode [2019-09-16 16:11:34,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:11:34,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:11:34,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:11:34,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:11:34,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34" (1/1) ... [2019-09-16 16:11:34,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34" (1/1) ... [2019-09-16 16:11:34,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34" (1/1) ... [2019-09-16 16:11:34,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34" (1/1) ... [2019-09-16 16:11:34,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34" (1/1) ... [2019-09-16 16:11:34,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34" (1/1) ... [2019-09-16 16:11:34,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34" (1/1) ... [2019-09-16 16:11:34,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:11:34,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:11:34,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:11:34,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:11:34,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34" (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 [2019-09-16 16:11:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:11:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:11:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 16:11:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:11:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:11:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 16:11:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 16:11:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:11:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:11:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:11:34,990 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:11:34,990 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 16:11:34,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:11:34 BoogieIcfgContainer [2019-09-16 16:11:34,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:11:34,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:11:34,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:11:34,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:11:34,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:11:34" (1/3) ... [2019-09-16 16:11:34,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37939967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:11:34, skipping insertion in model container [2019-09-16 16:11:34,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:34" (2/3) ... [2019-09-16 16:11:34,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37939967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:11:34, skipping insertion in model container [2019-09-16 16:11:34,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:11:34" (3/3) ... [2019-09-16 16:11:34,999 INFO L109 eAbstractionObserver]: Analyzing ICFG sum03-2.i [2019-09-16 16:11:35,009 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:11:35,015 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:11:35,032 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:11:35,061 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:11:35,062 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:11:35,062 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:11:35,062 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:11:35,062 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:11:35,063 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:11:35,063 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:11:35,063 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:11:35,063 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:11:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-16 16:11:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-16 16:11:35,085 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:11:35,086 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:11:35,088 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:11:35,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:11:35,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1847991872, now seen corresponding path program 1 times [2019-09-16 16:11:35,096 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:11:35,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:11:35,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:11:35,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:11:35,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:11:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:11:35,631 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 18 [2019-09-16 16:11:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:11:35,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:11:35,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:11:35,673 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:11:35,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:11:35,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:11:35,690 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 6 states. [2019-09-16 16:11:35,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:11:35,779 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2019-09-16 16:11:35,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:11:35,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-09-16 16:11:35,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:11:35,789 INFO L225 Difference]: With dead ends: 23 [2019-09-16 16:11:35,789 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:11:35,795 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:11:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:11:35,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:11:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:11:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:11:35,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-09-16 16:11:35,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:11:35,823 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:11:35,823 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:11:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:11:35,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:11:35,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:11:35,869 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-09-16 16:11:35,869 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:11:35,870 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:11:35,870 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-16 16:11:35,870 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:11:35,870 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:11:35,871 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 9 18) the Hoare annotation is: true [2019-09-16 16:11:35,871 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 9 18) no Hoare annotation was computed. [2019-09-16 16:11:35,871 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2019-09-16 16:11:35,871 INFO L439 ceAbstractionStarter]: At program point L16-1(lines 13 17) the Hoare annotation is: (let ((.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2019-09-16 16:11:35,872 INFO L443 ceAbstractionStarter]: For program point L13-2(lines 9 18) no Hoare annotation was computed. [2019-09-16 16:11:35,872 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-09-16 16:11:35,873 INFO L443 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2019-09-16 16:11:35,873 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2019-09-16 16:11:35,873 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2019-09-16 16:11:35,873 INFO L443 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-09-16 16:11:35,874 INFO L443 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2019-09-16 16:11:35,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:11:35 BoogieIcfgContainer [2019-09-16 16:11:35,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:11:35,890 INFO L168 Benchmark]: Toolchain (without parser) took 1527.22 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 89.3 MB in the beginning and 132.5 MB in the end (delta: -43.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:35,891 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:11:35,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.31 ms. Allocated memory is still 141.0 MB. Free memory was 88.8 MB in the beginning and 79.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:35,894 INFO L168 Benchmark]: Boogie Preprocessor took 142.63 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 79.3 MB in the beginning and 180.4 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:35,895 INFO L168 Benchmark]: RCFGBuilder took 215.26 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 168.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:35,896 INFO L168 Benchmark]: TraceAbstraction took 895.25 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 132.5 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:35,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 270.31 ms. Allocated memory is still 141.0 MB. Free memory was 88.8 MB in the beginning and 79.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.63 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 79.3 MB in the beginning and 180.4 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 215.26 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 168.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 895.25 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 132.5 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 13]: Loop Invariant Derived loop invariant: 2 * x <= sn && sn <= 2 * x - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 5 SDslu, 23 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 27 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 621 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...