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/ddlm2013.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:41:20,955 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:41:20,957 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:41:20,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:41:20,969 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:41:20,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:41:20,971 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:41:20,973 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:41:20,975 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:41:20,976 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:41:20,977 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:41:20,977 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:41:20,978 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:41:20,979 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:41:20,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:41:20,982 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:41:20,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:41:20,989 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:41:20,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:41:20,999 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:41:21,000 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:41:21,003 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:41:21,005 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 20:41:21,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 20:41:21,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 20:41:21,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 20:41:21,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 20:41:21,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 20:41:21,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 20:41:21,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 20:41:21,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 20:41:21,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 20:41:21,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 20:41:21,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 20:41:21,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 20:41:21,018 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 20:41:21,018 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 20:41:21,046 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:41:21,047 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:41:21,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:41:21,048 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:41:21,049 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:41:21,049 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:41:21,049 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:41:21,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:41:21,050 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:41:21,050 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:41:21,050 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:41:21,050 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:41:21,050 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:41:21,051 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:41:21,051 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:41:21,051 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:41:21,051 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:41:21,051 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:41:21,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:41:21,052 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:41:21,052 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:41:21,052 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:41:21,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:41:21,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:41:21,053 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:41:21,053 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:41:21,053 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:41:21,053 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:41:21,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:41:21,054 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:41:21,054 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 20:41:21,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:41:21,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:41:21,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:41:21,151 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:41:21,152 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:41:21,153 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/ddlm2013.i_3.bpl [2018-09-30 20:41:21,153 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/ddlm2013.i_3.bpl' [2018-09-30 20:41:21,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:41:21,236 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:41:21,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:41:21,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:41:21,238 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:41:21,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/1) ... [2018-09-30 20:41:21,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/1) ... [2018-09-30 20:41:21,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:41:21,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:41:21,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:41:21,282 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:41:21,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/1) ... [2018-09-30 20:41:21,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/1) ... [2018-09-30 20:41:21,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/1) ... [2018-09-30 20:41:21,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/1) ... [2018-09-30 20:41:21,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/1) ... [2018-09-30 20:41:21,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/1) ... [2018-09-30 20:41:21,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/1) ... [2018-09-30 20:41:21,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:41:21,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:41:21,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:41:21,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:41:21,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (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 20:41:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 20:41:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 20:41:21,646 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 20:41:21,646 INFO L202 PluginConnector]: Adding new model ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:41:21 BoogieIcfgContainer [2018-09-30 20:41:21,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:41:21,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:41:21,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:41:21,651 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:41:21,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:41:21" (1/2) ... [2018-09-30 20:41:21,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1baa6d0b and model type ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:41:21, skipping insertion in model container [2018-09-30 20:41:21,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:41:21" (2/2) ... [2018-09-30 20:41:21,654 INFO L112 eAbstractionObserver]: Analyzing ICFG ddlm2013.i_3.bpl [2018-09-30 20:41:21,665 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:41:21,673 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:41:21,730 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:41:21,731 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:41:21,731 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:41:21,731 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:41:21,732 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:41:21,732 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:41:21,732 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:41:21,732 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:41:21,732 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:41:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 20:41:21,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:41:21,755 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:41:21,758 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 20:41:21,760 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:41:21,772 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:41:21,772 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-09-30 20:41:21,775 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:41:21,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:41:21,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:41:21,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:41:21,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:41:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:41:21,989 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 20:41:21,991 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:41:21,991 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:41:21,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:41:22,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:41:22,008 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:41:22,010 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-09-30 20:41:22,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:41:22,202 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-30 20:41:22,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:41:22,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-30 20:41:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:41:22,215 INFO L225 Difference]: With dead ends: 11 [2018-09-30 20:41:22,215 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 20:41:22,218 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 20:41:22,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 20:41:22,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-30 20:41:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 20:41:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 20:41:22,254 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 20:41:22,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:41:22,255 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 20:41:22,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:41:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 20:41:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:41:22,256 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:41:22,256 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 20:41:22,256 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:41:22,257 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:41:22,257 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-09-30 20:41:22,257 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:41:22,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:41:22,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:41:22,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:41:22,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:41:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:41:22,422 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 20:41:22,423 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:41:22,423 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 20:41:22,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:41:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:41:22,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:41:22,610 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 20:41:22,632 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:41:22,632 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-09-30 20:41:22,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 20:41:22,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 20:41:22,633 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:41:22,633 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-09-30 20:41:22,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:41:22,959 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-09-30 20:41:22,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:41:22,960 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-30 20:41:22,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:41:22,960 INFO L225 Difference]: With dead ends: 9 [2018-09-30 20:41:22,960 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:41:22,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time [2018-09-30 20:41:22,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:41:22,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:41:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:41:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:41:22,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-30 20:41:22,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:41:22,963 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:41:22,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 20:41:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:41:22,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:41:22,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:41:23,371 WARN L178 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 12 [2018-09-30 20:41:23,428 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 60) no Hoare annotation was computed. [2018-09-30 20:41:23,429 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 60) no Hoare annotation was computed. [2018-09-30 20:41:23,429 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 60) no Hoare annotation was computed. [2018-09-30 20:41:23,429 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 59) no Hoare annotation was computed. [2018-09-30 20:41:23,430 INFO L422 ceAbstractionStarter]: At program point L57(lines 57 58) the Hoare annotation is: false [2018-09-30 20:41:23,430 INFO L422 ceAbstractionStarter]: At program point L47(lines 30 47) the Hoare annotation is: (let ((.cse1 (+ ULTIMATE.start_main_~a~5 ULTIMATE.start_main_~i~5 1)) (.cse0 (+ ULTIMATE.start_main_~b~5 ULTIMATE.start_main_~j~5))) (and (<= .cse0 .cse1) (<= ULTIMATE.start_main_~a~5 ULTIMATE.start_main_~b~5) (<= .cse1 .cse0) (<= ULTIMATE.start_main_~b~5 ULTIMATE.start_main_~a~5))) [2018-09-30 20:41:23,430 INFO L422 ceAbstractionStarter]: At program point L34(lines 34 48) the Hoare annotation is: (let ((.cse1 (+ ULTIMATE.start_main_~a~5 ULTIMATE.start_main_~i~5 1)) (.cse0 (+ ULTIMATE.start_main_~b~5 ULTIMATE.start_main_~j~5))) (and (<= .cse0 .cse1) (<= ULTIMATE.start_main_~a~5 ULTIMATE.start_main_~b~5) (<= .cse1 .cse0) (<= ULTIMATE.start_main_~b~5 ULTIMATE.start_main_~a~5))) [2018-09-30 20:41:23,441 INFO L202 PluginConnector]: Adding new model ddlm2013.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:41:23 BoogieIcfgContainer [2018-09-30 20:41:23,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:41:23,442 INFO L168 Benchmark]: Toolchain (without parser) took 2210.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2018-09-30 20:41:23,444 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:41:23,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:41:23,447 INFO L168 Benchmark]: Boogie Preprocessor took 24.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:41:23,449 INFO L168 Benchmark]: RCFGBuilder took 339.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 20:41:23,450 INFO L168 Benchmark]: TraceAbstraction took 1793.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-09-30 20:41:23,456 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 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 339.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1793.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 59]: 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: 30]: Loop Invariant Derived loop invariant: ((main_~b~5 + main_~j~5 <= main_~a~5 + main_~i~5 + 1 && main_~a~5 <= main_~b~5) && main_~a~5 + main_~i~5 + 1 <= main_~b~5 + main_~j~5) && main_~b~5 <= main_~a~5 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((main_~b~5 + main_~j~5 <= main_~a~5 + main_~i~5 + 1 && main_~a~5 <= main_~b~5) && main_~a~5 + main_~i~5 + 1 <= main_~b~5 + main_~j~5) && main_~b~5 <= main_~a~5 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 47 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 86 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 495 SizeOfPredicates, 4 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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/ddlm2013.i_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_20-41-23-475.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/ddlm2013.i_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_20-41-23-475.csv Received shutdown request...