java -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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/diamond2.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:42:17,146 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:42:17,149 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:42:17,164 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:42:17,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:42:17,166 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:42:17,167 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:42:17,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:42:17,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:42:17,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:42:17,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:42:17,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:42:17,176 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:42:17,177 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:42:17,180 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:42:17,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:42:17,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:42:17,193 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:42:17,196 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:42:17,199 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:42:17,200 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:42:17,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:42:17,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 20:42:17,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 20:42:17,206 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 20:42:17,207 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 20:42:17,208 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 20:42:17,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 20:42:17,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 20:42:17,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 20:42:17,214 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 20:42:17,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 20:42:17,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 20:42:17,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 20:42:17,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 20:42:17,219 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 20:42:17,219 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-09-30 20:42:17,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:42:17,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:42:17,244 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:42:17,244 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:42:17,248 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:42:17,249 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:42:17,249 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:42:17,249 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:42:17,249 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:42:17,250 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:42:17,250 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:42:17,250 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:42:17,250 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:42:17,250 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:42:17,251 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:42:17,251 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:42:17,251 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:42:17,251 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:42:17,252 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:42:17,252 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:42:17,252 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:42:17,252 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:42:17,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:42:17,253 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:42:17,253 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:42:17,253 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:42:17,253 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:42:17,253 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:42:17,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:42:17,254 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:42:17,254 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 20:42:17,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:42:17,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:42:17,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:42:17,345 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:42:17,346 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:42:17,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/diamond2.i_4.bpl [2018-09-30 20:42:17,347 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/diamond2.i_4.bpl' [2018-09-30 20:42:17,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:42:17,404 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:42:17,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:42:17,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:42:17,405 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:42:17,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/1) ... [2018-09-30 20:42:17,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/1) ... [2018-09-30 20:42:17,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:42:17,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:42:17,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:42:17,446 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:42:17,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/1) ... [2018-09-30 20:42:17,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/1) ... [2018-09-30 20:42:17,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/1) ... [2018-09-30 20:42:17,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/1) ... [2018-09-30 20:42:17,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/1) ... [2018-09-30 20:42:17,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/1) ... [2018-09-30 20:42:17,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/1) ... [2018-09-30 20:42:17,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:42:17,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:42:17,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:42:17,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:42:17,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (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 [2018-09-30 20:42:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 20:42:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 20:42:17,800 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 20:42:17,800 INFO L202 PluginConnector]: Adding new model diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:42:17 BoogieIcfgContainer [2018-09-30 20:42:17,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:42:17,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:42:17,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:42:17,806 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:42:17,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:42:17" (1/2) ... [2018-09-30 20:42:17,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13229e30 and model type diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:42:17, skipping insertion in model container [2018-09-30 20:42:17,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:42:17" (2/2) ... [2018-09-30 20:42:17,809 INFO L112 eAbstractionObserver]: Analyzing ICFG diamond2.i_4.bpl [2018-09-30 20:42:17,817 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:42:17,825 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:42:17,871 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:42:17,872 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:42:17,872 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:42:17,872 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:42:17,872 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:42:17,873 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:42:17,873 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:42:17,873 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:42:17,873 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:42:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 20:42:17,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:42:17,893 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:42:17,894 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 20:42:17,895 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:42:17,901 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:42:17,902 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-30 20:42:17,904 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:42:17,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:42:17,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:17,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:42:17,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:42:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:18,069 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:42:18,069 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:42:18,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:42:18,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:42:18,086 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:42:18,088 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-09-30 20:42:18,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:42:18,231 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-30 20:42:18,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:42:18,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-30 20:42:18,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:42:18,247 INFO L225 Difference]: With dead ends: 11 [2018-09-30 20:42:18,247 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 20:42:18,251 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 20:42:18,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 20:42:18,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-30 20:42:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 20:42:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 20:42:18,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 20:42:18,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:42:18,292 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 20:42:18,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:42:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 20:42:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:42:18,293 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:42:18,293 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 20:42:18,294 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:42:18,294 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:42:18,294 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-30 20:42:18,294 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:42:18,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:42:18,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:18,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:42:18,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:42:18,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:18,404 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:42:18,404 INFO L227 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 [2018-09-30 20:42:18,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:42:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:42:18,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:42:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:18,674 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:42:18,674 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-09-30 20:42:18,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 20:42:18,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 20:42:18,676 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:42:18,677 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-09-30 20:42:18,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:42:18,907 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-30 20:42:18,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 20:42:18,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-30 20:42:18,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:42:18,913 INFO L225 Difference]: With dead ends: 11 [2018-09-30 20:42:18,913 INFO L226 Difference]: Without dead ends: 9 [2018-09-30 20:42:18,914 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time [2018-09-30 20:42:18,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-30 20:42:18,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-30 20:42:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-30 20:42:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-30 20:42:18,921 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-30 20:42:18,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:42:18,921 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-30 20:42:18,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 20:42:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-30 20:42:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 20:42:18,923 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:42:18,923 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-30 20:42:18,924 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:42:18,924 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:42:18,924 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-09-30 20:42:18,925 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:42:18,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:42:18,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:18,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:42:18,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:42:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:19,086 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:42:19,086 INFO L227 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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:42:19,098 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 20:42:19,138 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-30 20:42:19,138 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 20:42:19,140 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:42:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:19,258 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:42:19,258 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-30 20:42:19,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-30 20:42:19,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-30 20:42:19,259 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:42:19,259 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-09-30 20:42:19,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:42:19,618 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-09-30 20:42:19,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:42:19,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-09-30 20:42:19,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:42:19,619 INFO L225 Difference]: With dead ends: 13 [2018-09-30 20:42:19,620 INFO L226 Difference]: Without dead ends: 11 [2018-09-30 20:42:19,620 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time [2018-09-30 20:42:19,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-09-30 20:42:19,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-09-30 20:42:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-09-30 20:42:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-09-30 20:42:19,629 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-09-30 20:42:19,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:42:19,632 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-09-30 20:42:19,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-30 20:42:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-09-30 20:42:19,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 20:42:19,633 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:42:19,633 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-09-30 20:42:19,633 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:42:19,634 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:42:19,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1946815861, now seen corresponding path program 3 times [2018-09-30 20:42:19,634 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:42:19,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:42:19,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:19,637 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 20:42:19,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:42:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:19,784 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:42:19,784 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:42:19,792 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-09-30 20:42:19,810 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-09-30 20:42:19,810 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 20:42:19,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:42:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:19,899 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:42:19,900 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-09-30 20:42:19,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 20:42:19,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 20:42:19,900 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:42:19,901 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-09-30 20:42:20,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:42:20,201 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-09-30 20:42:20,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-30 20:42:20,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-09-30 20:42:20,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:42:20,204 INFO L225 Difference]: With dead ends: 15 [2018-09-30 20:42:20,205 INFO L226 Difference]: Without dead ends: 13 [2018-09-30 20:42:20,205 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time [2018-09-30 20:42:20,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-09-30 20:42:20,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-09-30 20:42:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-09-30 20:42:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-09-30 20:42:20,209 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-09-30 20:42:20,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:42:20,210 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-09-30 20:42:20,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 20:42:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-09-30 20:42:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 20:42:20,211 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:42:20,211 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-09-30 20:42:20,211 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:42:20,211 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:42:20,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 4 times [2018-09-30 20:42:20,212 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:42:20,212 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:42:20,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:20,213 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 20:42:20,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:42:20,461 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:20,461 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:42:20,462 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:42:20,476 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-09-30 20:42:20,489 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-09-30 20:42:20,489 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 20:42:20,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:42:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:20,752 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:42:20,753 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-09-30 20:42:20,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-30 20:42:20,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-30 20:42:20,754 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:42:20,754 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2018-09-30 20:42:21,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:42:21,197 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-09-30 20:42:21,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-30 20:42:21,197 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-09-30 20:42:21,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:42:21,198 INFO L225 Difference]: With dead ends: 17 [2018-09-30 20:42:21,199 INFO L226 Difference]: Without dead ends: 15 [2018-09-30 20:42:21,199 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time [2018-09-30 20:42:21,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-09-30 20:42:21,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-09-30 20:42:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-30 20:42:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-09-30 20:42:21,204 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-09-30 20:42:21,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:42:21,204 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-09-30 20:42:21,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-30 20:42:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-09-30 20:42:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 20:42:21,205 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:42:21,206 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-09-30 20:42:21,206 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:42:21,206 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:42:21,206 INFO L82 PathProgramCache]: Analyzing trace with hash 531164009, now seen corresponding path program 5 times [2018-09-30 20:42:21,207 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:42:21,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:42:21,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:21,208 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 20:42:21,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:42:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:21,535 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:42:21,535 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:42:21,543 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-09-30 20:42:21,581 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-09-30 20:42:21,581 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 20:42:21,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:42:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:21,651 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:42:21,652 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-09-30 20:42:21,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-30 20:42:21,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-30 20:42:21,653 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:42:21,653 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2018-09-30 20:42:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:42:21,966 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-09-30 20:42:21,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-30 20:42:21,967 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-09-30 20:42:21,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:42:21,967 INFO L225 Difference]: With dead ends: 19 [2018-09-30 20:42:21,968 INFO L226 Difference]: Without dead ends: 17 [2018-09-30 20:42:21,968 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time [2018-09-30 20:42:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-09-30 20:42:21,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-09-30 20:42:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-30 20:42:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-09-30 20:42:21,972 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-09-30 20:42:21,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:42:21,973 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-09-30 20:42:21,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-30 20:42:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-09-30 20:42:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 20:42:21,974 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:42:21,974 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-09-30 20:42:21,974 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:42:21,974 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:42:21,975 INFO L82 PathProgramCache]: Analyzing trace with hash -652443485, now seen corresponding path program 6 times [2018-09-30 20:42:21,975 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:42:21,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:42:21,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:21,976 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 20:42:21,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:42:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:42:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:22,458 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:42:22,458 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:42:22,477 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-09-30 20:42:22,538 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-09-30 20:42:22,538 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 20:42:22,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:42:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:42:22,927 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:42:22,928 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2018-09-30 20:42:22,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-30 20:42:22,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-30 20:42:22,929 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:42:22,929 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 11 states. [2018-09-30 20:42:23,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:42:23,702 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-09-30 20:42:23,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-30 20:42:23,702 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2018-09-30 20:42:23,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:42:23,703 INFO L225 Difference]: With dead ends: 19 [2018-09-30 20:42:23,703 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:42:23,704 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time [2018-09-30 20:42:23,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:42:23,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:42:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:42:23,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:42:23,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-09-30 20:42:23,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:42:23,706 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:42:23,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-30 20:42:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:42:23,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:42:23,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:42:32,120 WARN L178 SmtUtils]: Spent 8.32 s on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2018-09-30 20:42:36,425 WARN L178 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2018-09-30 20:42:36,428 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 57) no Hoare annotation was computed. [2018-09-30 20:42:36,428 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 56) no Hoare annotation was computed. [2018-09-30 20:42:36,428 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 57) no Hoare annotation was computed. [2018-09-30 20:42:36,428 INFO L422 ceAbstractionStarter]: At program point L29(lines 29 55) the Hoare annotation is: false [2018-09-30 20:42:36,429 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 57) no Hoare annotation was computed. [2018-09-30 20:42:36,429 INFO L422 ceAbstractionStarter]: At program point L54(lines 16 54) the Hoare annotation is: (let ((.cse4 (div ULTIMATE.start_main_~y~5 2))) (let ((.cse2 (* 4294967296 (div (+ ULTIMATE.start_main_~y~5 (* (- 2) .cse4)) 4294967296))) (.cse3 (* 2 .cse4))) (let ((.cse1 (+ .cse2 .cse3 ULTIMATE.start_main_~x~5)) (.cse0 (<= ULTIMATE.start_main_~y~5 (+ .cse2 .cse3)))) (or (and .cse0 (<= .cse1 (+ ULTIMATE.start_main_~y~5 57)) (<= 57 ULTIMATE.start_main_~x~5)) (and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)) (and (<= 19 ULTIMATE.start_main_~x~5) .cse0 (<= ULTIMATE.start_main_~x~5 19)) (and (<= .cse1 (+ ULTIMATE.start_main_~y~5 114)) .cse0 (<= 114 ULTIMATE.start_main_~x~5)) (and .cse0 (<= 38 ULTIMATE.start_main_~x~5) (<= .cse1 (+ ULTIMATE.start_main_~y~5 38))) (and .cse0 (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)) (and .cse0 (<= 95 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 95)))))) [2018-09-30 20:42:36,429 INFO L422 ceAbstractionStarter]: At program point L19(lines 19 30) the Hoare annotation is: (let ((.cse4 (div ULTIMATE.start_main_~y~5 2))) (let ((.cse2 (* 4294967296 (div (+ ULTIMATE.start_main_~y~5 (* (- 2) .cse4)) 4294967296))) (.cse3 (* 2 .cse4))) (let ((.cse1 (+ .cse2 .cse3 ULTIMATE.start_main_~x~5)) (.cse0 (<= ULTIMATE.start_main_~y~5 (+ .cse2 .cse3)))) (or (and .cse0 (<= .cse1 (+ ULTIMATE.start_main_~y~5 57)) (<= 57 ULTIMATE.start_main_~x~5)) (and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)) (and (<= 19 ULTIMATE.start_main_~x~5) .cse0 (<= ULTIMATE.start_main_~x~5 19)) (and (<= .cse1 (+ ULTIMATE.start_main_~y~5 114)) .cse0 (<= 114 ULTIMATE.start_main_~x~5)) (and .cse0 (<= 38 ULTIMATE.start_main_~x~5) (<= .cse1 (+ ULTIMATE.start_main_~y~5 38))) (and .cse0 (<= 95 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 95)) (and .cse0 (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)))))) [2018-09-30 20:42:36,443 INFO L202 PluginConnector]: Adding new model diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:42:36 BoogieIcfgContainer [2018-09-30 20:42:36,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:42:36,445 INFO L168 Benchmark]: Toolchain (without parser) took 19043.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 383.3 MB). Peak memory consumption was 383.3 MB. Max. memory is 7.1 GB. [2018-09-30 20:42:36,446 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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. [2018-09-30 20:42:36,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.29 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. [2018-09-30 20:42:36,448 INFO L168 Benchmark]: Boogie Preprocessor took 25.17 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. [2018-09-30 20:42:36,449 INFO L168 Benchmark]: RCFGBuilder took 329.63 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 20:42:36,450 INFO L168 Benchmark]: TraceAbstraction took 18641.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 362.2 MB). Peak memory consumption was 362.2 MB. Max. memory is 7.1 GB. [2018-09-30 20:42:36,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 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 Procedure Inliner took 40.29 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 25.17 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 329.63 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18641.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 362.2 MB). Peak memory consumption was 362.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 56]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (((((((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 57) && 57 <= main_~x~5) || (main_~x~5 <= 0 && 0 <= main_~x~5)) || ((19 <= main_~x~5 && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2)) && main_~x~5 <= 19)) || ((4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 114 && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2)) && 114 <= main_~x~5)) || ((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 38 <= main_~x~5) && 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 38)) || ((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 76 <= main_~x~5) && main_~x~5 <= 76)) || ((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 95 <= main_~x~5) && main_~x~5 <= 95) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 57) && 57 <= main_~x~5) || (main_~x~5 <= 0 && 0 <= main_~x~5)) || ((19 <= main_~x~5 && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2)) && main_~x~5 <= 19)) || ((4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 114 && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2)) && 114 <= main_~x~5)) || ((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 38 <= main_~x~5) && 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 38)) || ((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 95 <= main_~x~5) && main_~x~5 <= 95)) || ((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 76 <= main_~x~5) && main_~x~5 <= 76) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 18.5s OverallTime, 7 OverallIterations, 7 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 12.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 SDtfs, 0 SDslu, 146 SDs, 0 SdLazy, 193 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 58 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=6, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 17 NumberOfFragments, 443 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1464 FormulaSimplificationTreeSizeReductionInter, 12.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 53105 SizeOfPredicates, 9 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 0/224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/diamond2.i_4.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_20-42-36-470.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/diamond2.i_4.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_20-42-36-470.csv Received shutdown request...