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/recursive/Addition01-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:12:28,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:12:28,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:12:28,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:12:28,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:12:28,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:12:28,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:12:28,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:12:28,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:12:28,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:12:28,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:12:28,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:12:28,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:12:28,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:12:28,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:12:28,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:12:28,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:12:28,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:12:28,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:12:28,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:12:28,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:12:28,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:12:28,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:12:28,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:12:28,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 06:12:28,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:12:28,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:12:28,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:12:28,592 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 [2019-09-08 06:12:28,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:12:28,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:12:28,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:12:28,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:12:28,620 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:12:28,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:12:28,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:12:28,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:12:28,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:12:28,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:12:28,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:12:28,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:12:28,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:12:28,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:12:28,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:12:28,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:12:28,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:12:28,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:12:28,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:12:28,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:12:28,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:12:28,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:12:28,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:12:28,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:12:28,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:12:28,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:12:28,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:12:28,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:12:28,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:12:28,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:12:28,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:12:28,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:12:28,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:12:28,704 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:12:28,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Addition01-2.c [2019-09-08 06:12:28,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e07e20c8/b312ba217fda44a9844950f7dab47e99/FLAGb211cc9f8 [2019-09-08 06:12:29,231 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:12:29,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Addition01-2.c [2019-09-08 06:12:29,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e07e20c8/b312ba217fda44a9844950f7dab47e99/FLAGb211cc9f8 [2019-09-08 06:12:29,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e07e20c8/b312ba217fda44a9844950f7dab47e99 [2019-09-08 06:12:29,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:12:29,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:12:29,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:12:29,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:12:29,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:12:29,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:12:29" (1/1) ... [2019-09-08 06:12:29,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c5c26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29, skipping insertion in model container [2019-09-08 06:12:29,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:12:29" (1/1) ... [2019-09-08 06:12:29,684 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:12:29,698 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:12:29,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:12:29,884 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:12:29,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:12:29,913 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:12:29,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29 WrapperNode [2019-09-08 06:12:29,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:12:29,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:12:29,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:12:29,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:12:30,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29" (1/1) ... [2019-09-08 06:12:30,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29" (1/1) ... [2019-09-08 06:12:30,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29" (1/1) ... [2019-09-08 06:12:30,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29" (1/1) ... [2019-09-08 06:12:30,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29" (1/1) ... [2019-09-08 06:12:30,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29" (1/1) ... [2019-09-08 06:12:30,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29" (1/1) ... [2019-09-08 06:12:30,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:12:30,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:12:30,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:12:30,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:12:30,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29" (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 [2019-09-08 06:12:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:12:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:12:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2019-09-08 06:12:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:12:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:12:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:12:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2019-09-08 06:12:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:12:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:12:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:12:30,259 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:12:30,259 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 06:12:30,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:12:30 BoogieIcfgContainer [2019-09-08 06:12:30,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:12:30,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:12:30,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:12:30,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:12:30,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:12:29" (1/3) ... [2019-09-08 06:12:30,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee24222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:12:30, skipping insertion in model container [2019-09-08 06:12:30,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:29" (2/3) ... [2019-09-08 06:12:30,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee24222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:12:30, skipping insertion in model container [2019-09-08 06:12:30,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:12:30" (3/3) ... [2019-09-08 06:12:30,268 INFO L109 eAbstractionObserver]: Analyzing ICFG Addition01-2.c [2019-09-08 06:12:30,275 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:12:30,281 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:12:30,298 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:12:30,327 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:12:30,327 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:12:30,328 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:12:30,328 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:12:30,328 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:12:30,328 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:12:30,328 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:12:30,328 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:12:30,329 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:12:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-09-08 06:12:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-08 06:12:30,353 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:12:30,353 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:12:30,355 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:12:30,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:12:30,361 INFO L82 PathProgramCache]: Analyzing trace with hash -854965079, now seen corresponding path program 1 times [2019-09-08 06:12:30,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:12:30,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:12:30,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:30,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:12:30,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:12:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:12:30,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:12:30,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:12:30,668 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:12:30,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:12:30,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:12:30,701 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 6 states. [2019-09-08 06:12:30,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:12:30,895 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2019-09-08 06:12:30,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:12:30,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-09-08 06:12:30,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:12:30,907 INFO L225 Difference]: With dead ends: 38 [2019-09-08 06:12:30,908 INFO L226 Difference]: Without dead ends: 24 [2019-09-08 06:12:30,911 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:12:30,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-09-08 06:12:30,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-09-08 06:12:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-09-08 06:12:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2019-09-08 06:12:30,955 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 15 [2019-09-08 06:12:30,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:12:30,956 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2019-09-08 06:12:30,956 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:12:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2019-09-08 06:12:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-08 06:12:30,959 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:12:30,959 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:12:30,959 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:12:30,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:12:30,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1632999070, now seen corresponding path program 1 times [2019-09-08 06:12:30,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:12:30,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:12:30,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:30,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:12:30,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:12:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:12:30,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:12:30,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 06:12:30,999 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 06:12:30,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 06:12:31,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:12:31,000 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand 4 states. [2019-09-08 06:12:31,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:12:31,030 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2019-09-08 06:12:31,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 06:12:31,031 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-09-08 06:12:31,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:12:31,032 INFO L225 Difference]: With dead ends: 34 [2019-09-08 06:12:31,032 INFO L226 Difference]: Without dead ends: 26 [2019-09-08 06:12:31,034 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:12:31,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-09-08 06:12:31,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-09-08 06:12:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-09-08 06:12:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-09-08 06:12:31,042 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 17 [2019-09-08 06:12:31,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:12:31,043 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-09-08 06:12:31,043 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 06:12:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-09-08 06:12:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-09-08 06:12:31,045 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:12:31,045 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:12:31,045 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:12:31,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:12:31,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1746800232, now seen corresponding path program 1 times [2019-09-08 06:12:31,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:12:31,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:12:31,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:31,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:12:31,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:12:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-08 06:12:31,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:12:31,262 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:12:31,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:12:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:12:31,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2019-09-08 06:12:31,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:12:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-08 06:12:31,601 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:12:31,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-09-08 06:12:31,602 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 06:12:31,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 06:12:31,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2019-09-08 06:12:31,603 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 18 states. [2019-09-08 06:12:31,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:12:31,927 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2019-09-08 06:12:31,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 06:12:31,927 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-09-08 06:12:31,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:12:31,930 INFO L225 Difference]: With dead ends: 38 [2019-09-08 06:12:31,930 INFO L226 Difference]: Without dead ends: 32 [2019-09-08 06:12:31,931 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2019-09-08 06:12:31,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-09-08 06:12:31,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2019-09-08 06:12:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-09-08 06:12:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-09-08 06:12:31,939 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 22 [2019-09-08 06:12:31,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:12:31,939 INFO L475 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-09-08 06:12:31,940 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 06:12:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-09-08 06:12:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-09-08 06:12:31,941 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:12:31,941 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:12:31,942 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:12:31,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:12:31,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1365148867, now seen corresponding path program 1 times [2019-09-08 06:12:31,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:12:31,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:12:31,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:31,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:12:31,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:12:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-08 06:12:32,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:12:32,025 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:12:32,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:12:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:12:32,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 06:12:32,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:12:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-08 06:12:32,098 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:12:32,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2019-09-08 06:12:32,099 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:12:32,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:12:32,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:12:32,100 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 7 states. [2019-09-08 06:12:32,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:12:32,177 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2019-09-08 06:12:32,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:12:32,178 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-09-08 06:12:32,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:12:32,178 INFO L225 Difference]: With dead ends: 27 [2019-09-08 06:12:32,179 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 06:12:32,180 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:12:32,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 06:12:32,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 06:12:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 06:12:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 06:12:32,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-09-08 06:12:32,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:12:32,181 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 06:12:32,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:12:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 06:12:32,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 06:12:32,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 06:12:32,289 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-09-08 06:12:32,289 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:12:32,290 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:12:32,290 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-08 06:12:32,290 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 06:12:32,290 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:12:32,290 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 26 45) the Hoare annotation is: true [2019-09-08 06:12:32,291 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2019-09-08 06:12:32,291 INFO L443 ceAbstractionStarter]: For program point L28(lines 28 32) no Hoare annotation was computed. [2019-09-08 06:12:32,291 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 26 45) no Hoare annotation was computed. [2019-09-08 06:12:32,291 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 26 45) no Hoare annotation was computed. [2019-09-08 06:12:32,291 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-09-08 06:12:32,292 INFO L443 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-09-08 06:12:32,292 INFO L439 ceAbstractionStarter]: At program point L39(line 39) the Hoare annotation is: (<= 0 main_~n~0) [2019-09-08 06:12:32,292 INFO L443 ceAbstractionStarter]: For program point L39-1(line 39) no Hoare annotation was computed. [2019-09-08 06:12:32,292 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 38) no Hoare annotation was computed. [2019-09-08 06:12:32,292 INFO L443 ceAbstractionStarter]: For program point additionFINAL(lines 13 23) no Hoare annotation was computed. [2019-09-08 06:12:32,293 INFO L439 ceAbstractionStarter]: At program point L21(line 21) the Hoare annotation is: (let ((.cse1 (+ |addition_#in~n| |addition_#in~m|)) (.cse0 (+ addition_~m addition_~n))) (and (<= .cse0 .cse1) (= |addition_#in~m| addition_~m) (<= .cse1 .cse0) (<= (+ addition_~n 1) 0))) [2019-09-08 06:12:32,293 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 22) no Hoare annotation was computed. [2019-09-08 06:12:32,294 INFO L443 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2019-09-08 06:12:32,294 INFO L439 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: (let ((.cse1 (+ |addition_#in~n| |addition_#in~m|)) (.cse0 (+ addition_~m addition_~n))) (and (<= .cse0 .cse1) (< 0 addition_~n) (= |addition_#in~m| addition_~m) (<= .cse1 .cse0))) [2019-09-08 06:12:32,294 INFO L443 ceAbstractionStarter]: For program point L17(lines 17 19) no Hoare annotation was computed. [2019-09-08 06:12:32,294 INFO L443 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2019-09-08 06:12:32,294 INFO L446 ceAbstractionStarter]: At program point additionENTRY(lines 13 23) the Hoare annotation is: true [2019-09-08 06:12:32,295 INFO L443 ceAbstractionStarter]: For program point L14(lines 14 16) no Hoare annotation was computed. [2019-09-08 06:12:32,295 INFO L443 ceAbstractionStarter]: For program point additionEXIT(lines 13 23) no Hoare annotation was computed. [2019-09-08 06:12:32,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:12:32 BoogieIcfgContainer [2019-09-08 06:12:32,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:12:32,307 INFO L168 Benchmark]: Toolchain (without parser) took 2635.21 ms. Allocated memory was 133.7 MB in the beginning and 226.0 MB in the end (delta: 92.3 MB). Free memory was 89.7 MB in the beginning and 114.4 MB in the end (delta: -24.7 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:32,308 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 06:12:32,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.37 ms. Allocated memory is still 133.7 MB. Free memory was 89.7 MB in the beginning and 80.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:32,312 INFO L168 Benchmark]: Boogie Preprocessor took 114.77 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.5 MB in the beginning and 177.1 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:32,313 INFO L168 Benchmark]: RCFGBuilder took 231.02 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 164.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:32,315 INFO L168 Benchmark]: TraceAbstraction took 2041.48 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 164.6 MB in the beginning and 114.4 MB in the end (delta: 50.2 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:32,325 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.37 ms. Allocated memory is still 133.7 MB. Free memory was 89.7 MB in the beginning and 80.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.77 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.5 MB in the beginning and 177.1 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.02 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 164.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2041.48 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 164.6 MB in the beginning and 114.4 MB in the end (delta: 50.2 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 26 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 70 SDslu, 214 SDs, 0 SdLazy, 267 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 14 PreInvPairs, 14 NumberOfFragments, 52 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 8955 SizeOfPredicates, 9 NumberOfNonLiveVariables, 129 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 8/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...