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/linear_sea.ch.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 00:53:46,093 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 00:53:46,095 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 00:53:46,112 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 00:53:46,112 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 00:53:46,113 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 00:53:46,116 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 00:53:46,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 00:53:46,120 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 00:53:46,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 00:53:46,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 00:53:46,124 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 00:53:46,125 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 00:53:46,126 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 00:53:46,127 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 00:53:46,135 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 00:53:46,136 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 00:53:46,140 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 00:53:46,144 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 00:53:46,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 00:53:46,148 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 00:53:46,149 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 00:53:46,151 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 00:53:46,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 00:53:46,151 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 00:53:46,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 00:53:46,155 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 00:53:46,156 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 00:53:46,157 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 00:53:46,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 00:53:46,160 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 00:53:46,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 00:53:46,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 00:53:46,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 00:53:46,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 00:53:46,165 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 00:53:46,165 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 [2018-10-01 00:53:46,179 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 00:53:46,179 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 00:53:46,180 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 00:53:46,180 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 00:53:46,181 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 00:53:46,181 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 00:53:46,181 INFO L133 SettingsManager]: * Use SBE=true [2018-10-01 00:53:46,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 00:53:46,181 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 00:53:46,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 00:53:46,182 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 00:53:46,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 00:53:46,182 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 00:53:46,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 00:53:46,182 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 00:53:46,183 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 00:53:46,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 00:53:46,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 00:53:46,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 00:53:46,183 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-01 00:53:46,184 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 00:53:46,184 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-01 00:53:46,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-01 00:53:46,184 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 00:53:46,184 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 00:53:46,185 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 00:53:46,185 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-01 00:53:46,185 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 00:53:46,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 00:53:46,185 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 00:53:46,185 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 00:53:46,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 00:53:46,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 00:53:46,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 00:53:46,257 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 00:53:46,258 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 00:53:46,259 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2018-10-01 00:53:46,259 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2018-10-01 00:53:46,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 00:53:46,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 00:53:46,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 00:53:46,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 00:53:46,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 00:53:46,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/1) ... [2018-10-01 00:53:46,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/1) ... [2018-10-01 00:53:46,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 00:53:46,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 00:53:46,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 00:53:46,391 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 00:53:46,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/1) ... [2018-10-01 00:53:46,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/1) ... [2018-10-01 00:53:46,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/1) ... [2018-10-01 00:53:46,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/1) ... [2018-10-01 00:53:46,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/1) ... [2018-10-01 00:53:46,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/1) ... [2018-10-01 00:53:46,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/1) ... [2018-10-01 00:53:46,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 00:53:46,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 00:53:46,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 00:53:46,414 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 00:53:46,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (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 [2018-10-01 00:53:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 00:53:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 00:53:46,750 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 00:53:46,752 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 12:53:46 BoogieIcfgContainer [2018-10-01 00:53:46,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 00:53:46,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-01 00:53:46,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-01 00:53:46,757 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-01 00:53:46,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:53:46" (1/2) ... [2018-10-01 00:53:46,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7899198f and model type linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.10 12:53:46, skipping insertion in model container [2018-10-01 00:53:46,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 12:53:46" (2/2) ... [2018-10-01 00:53:46,761 INFO L112 eAbstractionObserver]: Analyzing ICFG linear_sea.ch.i_4.bpl [2018-10-01 00:53:46,771 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-01 00:53:46,780 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-01 00:53:46,827 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-01 00:53:46,828 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-01 00:53:46,828 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-01 00:53:46,828 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-01 00:53:46,829 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-01 00:53:46,829 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-01 00:53:46,829 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-01 00:53:46,829 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-01 00:53:46,829 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-01 00:53:46,843 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-10-01 00:53:46,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 00:53:46,849 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:53:46,850 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-01 00:53:46,851 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:53:46,857 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:53:46,858 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-10-01 00:53:46,860 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:53:46,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:53:46,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:46,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:53:46,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:53:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:53:47,248 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-01 00:53:47,249 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-01 00:53:47,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-01 00:53:47,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-01 00:53:47,264 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:53:47,266 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-10-01 00:53:47,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:53:47,519 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-10-01 00:53:47,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-01 00:53:47,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-10-01 00:53:47,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:53:47,532 INFO L225 Difference]: With dead ends: 11 [2018-10-01 00:53:47,532 INFO L226 Difference]: Without dead ends: 7 [2018-10-01 00:53:47,535 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time [2018-10-01 00:53:47,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-10-01 00:53:47,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-10-01 00:53:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-10-01 00:53:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-01 00:53:47,566 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-10-01 00:53:47,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:53:47,566 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-10-01 00:53:47,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-01 00:53:47,567 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-01 00:53:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 00:53:47,567 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:53:47,567 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-10-01 00:53:47,568 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:53:47,568 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:53:47,568 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-10-01 00:53:47,568 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:53:47,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:53:47,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:47,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:53:47,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:53:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:53:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:53:48,071 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-01 00:53:48,071 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 [2018-10-01 00:53:48,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:53:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:53:48,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 00:53:50,501 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-01 00:53:50,502 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Cannot handle case were solver cannot decide implication of predicates at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.ImplicationGraph.internImplication(ImplicationGraph.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.ImplicationGraph.unifyPredicate(ImplicationGraph.java:111) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getOrConstructPredicateInternal(BPredicateUnifier.java:246) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getOrConstructPredicate(BPredicateUnifier.java:209) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-01 00:53:50,507 INFO L168 Benchmark]: Toolchain (without parser) took 4166.47 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2018-10-01 00:53:50,509 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 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. [2018-10-01 00:53:50,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.23 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. [2018-10-01 00:53:50,511 INFO L168 Benchmark]: Boogie Preprocessor took 22.39 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. [2018-10-01 00:53:50,512 INFO L168 Benchmark]: RCFGBuilder took 338.28 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. [2018-10-01 00:53:50,513 INFO L168 Benchmark]: TraceAbstraction took 3753.42 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. [2018-10-01 00:53:50,518 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 0.26 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 46.23 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 22.39 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 338.28 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 3753.42 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: - ExceptionOrErrorResult: UnsupportedOperationException: Cannot handle case were solver cannot decide implication of predicates de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Cannot handle case were solver cannot decide implication of predicates: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.ImplicationGraph.internImplication(ImplicationGraph.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/linear_sea.ch.i_4.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-01_00-53-50-534.csv Received shutdown request...