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 0.1.23-00a8621 [2018-09-30 10:53:05,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 10:53:05,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 10:53:05,173 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 10:53:05,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 10:53:05,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 10:53:05,176 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 10:53:05,178 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 10:53:05,180 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 10:53:05,180 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 10:53:05,181 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 10:53:05,182 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 10:53:05,183 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 10:53:05,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 10:53:05,185 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 10:53:05,185 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 10:53:05,186 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 10:53:05,188 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 10:53:05,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 10:53:05,192 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 10:53:05,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 10:53:05,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 10:53:05,196 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-30 10:53:05,204 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 10:53:05,219 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 10:53:05,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 10:53:05,220 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 10:53:05,221 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 10:53:05,221 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 10:53:05,221 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 10:53:05,221 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 10:53:05,222 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 10:53:05,222 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 10:53:05,222 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 10:53:05,222 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 10:53:05,223 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 10:53:05,223 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 10:53:05,223 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 10:53:05,223 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 10:53:05,223 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 10:53:05,223 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 10:53:05,224 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 10:53:05,224 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 10:53:05,224 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 10:53:05,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 10:53:05,224 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 10:53:05,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:53:05,225 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 10:53:05,225 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 10:53:05,225 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 10:53:05,225 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 10:53:05,226 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 10:53:05,226 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 10:53:05,226 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 10:53:05,226 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 10:53:05,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 10:53:05,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 10:53:05,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 10:53:05,315 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 10:53:05,315 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 10:53:05,316 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2018-09-30 10:53:05,316 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2018-09-30 10:53:05,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 10:53:05,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 10:53:05,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 10:53:05,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 10:53:05,400 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 10:53:05,419 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 30.09 10:53:05" (1/1) ... [2018-09-30 10:53:05,435 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 30.09 10:53:05" (1/1) ... [2018-09-30 10:53:05,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 10:53:05,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 10:53:05,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 10:53:05,445 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 10:53:05,456 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 30.09 10:53:05" (1/1) ... [2018-09-30 10:53:05,456 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 30.09 10:53:05" (1/1) ... [2018-09-30 10:53:05,458 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 30.09 10:53:05" (1/1) ... [2018-09-30 10:53:05,459 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 30.09 10:53:05" (1/1) ... [2018-09-30 10:53:05,463 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 30.09 10:53:05" (1/1) ... [2018-09-30 10:53:05,465 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 30.09 10:53:05" (1/1) ... [2018-09-30 10:53:05,466 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 30.09 10:53:05" (1/1) ... [2018-09-30 10:53:05,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 10:53:05,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 10:53:05,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 10:53:05,469 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 10:53:05,470 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 30.09 10:53:05" (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 10:53:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 10:53:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 10:53:05,821 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 10:53:05,822 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:53:05 BoogieIcfgContainer [2018-09-30 10:53:05,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 10:53:05,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 10:53:05,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 10:53:05,827 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 10:53:05,828 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 30.09 10:53:05" (1/2) ... [2018-09-30 10:53:05,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4092c01a and model type linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 10:53:05, skipping insertion in model container [2018-09-30 10:53:05,829 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 30.09 10:53:05" (2/2) ... [2018-09-30 10:53:05,831 INFO L112 eAbstractionObserver]: Analyzing ICFG linear_sea.ch.i_4.bpl [2018-09-30 10:53:05,841 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 10:53:05,850 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 10:53:05,904 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 10:53:05,906 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 10:53:05,907 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 10:53:05,907 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 10:53:05,907 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 10:53:05,907 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 10:53:05,907 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 10:53:05,908 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 10:53:05,908 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 10:53:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 10:53:05,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 10:53:05,933 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:53:05,934 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 10:53:05,935 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:53:05,942 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:53:05,943 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-30 10:53:05,945 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:53:05,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:53:05,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:53:05,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:53:05,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:53:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:53:06,308 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 10:53:06,310 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:53:06,311 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:53:06,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:53:06,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:53:06,336 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:53:06,339 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2018-09-30 10:53:06,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:53:06,599 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-30 10:53:06,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:53:06,601 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-30 10:53:06,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:53:06,613 INFO L225 Difference]: With dead ends: 11 [2018-09-30 10:53:06,614 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 10:53:06,617 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:53:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 10:53:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-30 10:53:06,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 10:53:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 10:53:06,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 10:53:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:53:06,654 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 10:53:06,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:53:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 10:53:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 10:53:06,655 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:53:06,655 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 10:53:06,655 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:53:06,656 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:53:06,656 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-30 10:53:06,656 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:53:06,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:53:06,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:53:06,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:53:06,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:53:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:53:07,022 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 10:53:07,022 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:53:07,022 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 10:53:07,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:53:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:53:07,110 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:53:09,391 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:53:09,393 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:316) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.ImplicationGraph.unifyPredicate(ImplicationGraph.java:145) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getOrConstructPredicateInternal(BPredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getOrConstructPredicate(BPredicateUnifier.java:320) 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) [2018-09-30 10:53:09,397 INFO L168 Benchmark]: Toolchain (without parser) took 4000.81 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: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB. [2018-09-30 10:53:09,399 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2018-09-30 10:53:09,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.10 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 10:53:09,401 INFO L168 Benchmark]: Boogie Preprocessor took 24.11 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 10:53:09,402 INFO L168 Benchmark]: RCFGBuilder took 353.32 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-09-30 10:53:09,404 INFO L168 Benchmark]: TraceAbstraction took 3572.39 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-09-30 10:53:09,413 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 0.23 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 Procedure Inliner took 44.10 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 24.11 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 353.32 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3572.39 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: 52.9 MB). Peak memory consumption was 52.9 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:316) 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-0-2018-09-30_10-53-09-426.csv Received shutdown request...