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/toy/nonlinear/Power3-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 01:12:06,159 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 01:12:06,163 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 01:12:06,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 01:12:06,179 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 01:12:06,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 01:12:06,181 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 01:12:06,183 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 01:12:06,185 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 01:12:06,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 01:12:06,186 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 01:12:06,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 01:12:06,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 01:12:06,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 01:12:06,190 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 01:12:06,190 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 01:12:06,191 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 01:12:06,193 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 01:12:06,195 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 01:12:06,197 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 01:12:06,198 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 01:12:06,199 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 01:12:06,201 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-01 01:12:06,210 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 01:12:06,236 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 01:12:06,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 01:12:06,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 01:12:06,238 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 01:12:06,242 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 01:12:06,242 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 01:12:06,242 INFO L133 SettingsManager]: * Use SBE=true [2018-10-01 01:12:06,242 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 01:12:06,243 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 01:12:06,243 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 01:12:06,243 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 01:12:06,243 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 01:12:06,243 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 01:12:06,243 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 01:12:06,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 01:12:06,244 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 01:12:06,244 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 01:12:06,244 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 01:12:06,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 01:12:06,245 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-01 01:12:06,245 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 01:12:06,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-01 01:12:06,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-01 01:12:06,245 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 01:12:06,246 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 01:12:06,246 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 01:12:06,246 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-01 01:12:06,246 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 01:12:06,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 01:12:06,247 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 01:12:06,247 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 01:12:06,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 01:12:06,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 01:12:06,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 01:12:06,332 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 01:12:06,332 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 01:12:06,333 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power3-Safe.bpl [2018-10-01 01:12:06,334 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power3-Safe.bpl' [2018-10-01 01:12:06,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 01:12:06,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 01:12:06,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 01:12:06,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 01:12:06,394 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 01:12:06,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/1) ... [2018-10-01 01:12:06,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/1) ... [2018-10-01 01:12:06,435 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 01:12:06,436 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 01:12:06,436 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 01:12:06,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 01:12:06,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 01:12:06,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 01:12:06,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 01:12:06,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/1) ... [2018-10-01 01:12:06,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/1) ... [2018-10-01 01:12:06,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/1) ... [2018-10-01 01:12:06,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/1) ... [2018-10-01 01:12:06,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/1) ... [2018-10-01 01:12:06,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/1) ... [2018-10-01 01:12:06,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/1) ... [2018-10-01 01:12:06,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 01:12:06,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 01:12:06,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 01:12:06,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 01:12:06,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (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 01:12:06,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure power given in one single declaration [2018-10-01 01:12:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure power [2018-10-01 01:12:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure power [2018-10-01 01:12:06,599 WARN L639 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-01 01:12:06,670 INFO L345 CfgBuilder]: Using library mode [2018-10-01 01:12:06,671 INFO L202 PluginConnector]: Adding new model Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:12:06 BoogieIcfgContainer [2018-10-01 01:12:06,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 01:12:06,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-01 01:12:06,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-01 01:12:06,675 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-01 01:12:06,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:12:06" (1/2) ... [2018-10-01 01:12:06,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fa1e63 and model type Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.10 01:12:06, skipping insertion in model container [2018-10-01 01:12:06,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Power3-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:12:06" (2/2) ... [2018-10-01 01:12:06,679 INFO L112 eAbstractionObserver]: Analyzing ICFG Power3-Safe.bpl [2018-10-01 01:12:06,688 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-01 01:12:06,700 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-01 01:12:06,755 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-01 01:12:06,756 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-01 01:12:06,756 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-01 01:12:06,756 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-01 01:12:06,756 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-01 01:12:06,757 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-01 01:12:06,757 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-01 01:12:06,757 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-01 01:12:06,757 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-01 01:12:06,776 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-10-01 01:12:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 01:12:06,785 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 01:12:06,789 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-01 01:12:06,790 INFO L423 AbstractCegarLoop]: === Iteration 1 === [powerErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-10-01 01:12:06,797 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 01:12:06,797 INFO L82 PathProgramCache]: Analyzing trace with hash 924708, now seen corresponding path program 1 times [2018-10-01 01:12:06,799 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 01:12:06,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 01:12:06,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:06,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 01:12:06,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:06,877 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-01 01:12:06,878 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-10-01 01:12:06,878 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-01 01:12:06,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 01:12:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:12:06,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 01:12:07,123 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 01:12:07,146 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-01 01:12:07,146 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-01 01:12:07,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-01 01:12:07,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-01 01:12:07,165 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 01:12:07,167 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 5 states. [2018-10-01 01:12:07,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 01:12:07,449 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2018-10-01 01:12:07,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-01 01:12:07,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-10-01 01:12:07,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 01:12:07,463 INFO L225 Difference]: With dead ends: 10 [2018-10-01 01:12:07,463 INFO L226 Difference]: Without dead ends: 6 [2018-10-01 01:12:07,467 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time [2018-10-01 01:12:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-10-01 01:12:07,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-10-01 01:12:07,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-10-01 01:12:07,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-01 01:12:07,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2018-10-01 01:12:07,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 01:12:07,502 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-10-01 01:12:07,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-01 01:12:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-01 01:12:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 01:12:07,503 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 01:12:07,503 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-10-01 01:12:07,504 INFO L423 AbstractCegarLoop]: === Iteration 2 === [powerErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-10-01 01:12:07,504 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 01:12:07,504 INFO L82 PathProgramCache]: Analyzing trace with hash 28663973, now seen corresponding path program 1 times [2018-10-01 01:12:07,504 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 01:12:07,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 01:12:07,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:07,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 01:12:07,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:07,509 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-01 01:12:07,509 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-10-01 01:12:07,509 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-01 01:12:07,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 01:12:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:12:07,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 01:12:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:12:07,756 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-01 01:12:07,757 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-10-01 01:12:07,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-01 01:12:07,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-01 01:12:07,759 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 01:12:07,759 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 6 states. [2018-10-01 01:12:08,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 01:12:08,108 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-10-01 01:12:08,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-01 01:12:08,111 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-10-01 01:12:08,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 01:12:08,111 INFO L225 Difference]: With dead ends: 9 [2018-10-01 01:12:08,112 INFO L226 Difference]: Without dead ends: 7 [2018-10-01 01:12:08,113 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time [2018-10-01 01:12:08,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-10-01 01:12:08,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-10-01 01:12:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-10-01 01:12:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-01 01:12:08,121 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-10-01 01:12:08,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 01:12:08,124 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-10-01 01:12:08,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-01 01:12:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-01 01:12:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 01:12:08,124 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 01:12:08,125 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-10-01 01:12:08,125 INFO L423 AbstractCegarLoop]: === Iteration 3 === [powerErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-10-01 01:12:08,125 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 01:12:08,125 INFO L82 PathProgramCache]: Analyzing trace with hash 888581188, now seen corresponding path program 2 times [2018-10-01 01:12:08,126 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 01:12:08,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 01:12:08,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:08,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 01:12:08,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:08,135 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-01 01:12:08,136 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-10-01 01:12:08,136 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-01 01:12:08,149 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-01 01:12:08,167 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-01 01:12:08,167 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-01 01:12:08,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 01:12:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:12:08,512 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-01 01:12:08,513 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-10-01 01:12:08,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-01 01:12:08,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-01 01:12:08,514 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 01:12:08,514 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 7 states. [2018-10-01 01:12:09,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 01:12:09,306 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2018-10-01 01:12:09,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-01 01:12:09,307 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-10-01 01:12:09,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 01:12:09,308 INFO L225 Difference]: With dead ends: 10 [2018-10-01 01:12:09,308 INFO L226 Difference]: Without dead ends: 8 [2018-10-01 01:12:09,309 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time [2018-10-01 01:12:09,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-10-01 01:12:09,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-10-01 01:12:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-10-01 01:12:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-10-01 01:12:09,313 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2018-10-01 01:12:09,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 01:12:09,314 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-10-01 01:12:09,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-01 01:12:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-10-01 01:12:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:12:09,314 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 01:12:09,315 INFO L375 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1] [2018-10-01 01:12:09,315 INFO L423 AbstractCegarLoop]: === Iteration 4 === [powerErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-10-01 01:12:09,315 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 01:12:09,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1776211077, now seen corresponding path program 3 times [2018-10-01 01:12:09,316 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 01:12:09,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 01:12:09,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:09,317 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-01 01:12:09,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:09,320 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-01 01:12:09,320 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-10-01 01:12:09,320 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-01 01:12:09,333 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-01 01:12:09,344 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-10-01 01:12:09,345 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-01 01:12:09,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 01:12:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:12:09,489 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-01 01:12:09,490 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-10-01 01:12:09,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-01 01:12:09,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-01 01:12:09,490 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 01:12:09,491 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 8 states. [2018-10-01 01:12:11,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 01:12:11,855 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-10-01 01:12:11,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-01 01:12:11,857 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2018-10-01 01:12:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 01:12:11,858 INFO L225 Difference]: With dead ends: 11 [2018-10-01 01:12:11,858 INFO L226 Difference]: Without dead ends: 9 [2018-10-01 01:12:11,858 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time [2018-10-01 01:12:11,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-10-01 01:12:11,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-10-01 01:12:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-10-01 01:12:11,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-01 01:12:11,862 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-10-01 01:12:11,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 01:12:11,862 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-10-01 01:12:11,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-01 01:12:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-01 01:12:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 01:12:11,863 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 01:12:11,863 INFO L375 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2018-10-01 01:12:11,864 INFO L423 AbstractCegarLoop]: === Iteration 5 === [powerErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-10-01 01:12:11,864 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 01:12:11,864 INFO L82 PathProgramCache]: Analyzing trace with hash -772033436, now seen corresponding path program 4 times [2018-10-01 01:12:11,864 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 01:12:11,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 01:12:11,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:11,865 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-01 01:12:11,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 01:12:11,868 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-01 01:12:11,868 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-10-01 01:12:11,869 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-01 01:12:11,879 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-01 01:12:11,890 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-01 01:12:11,890 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-01 01:12:11,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 01:12:14,547 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-01 01:12:14,548 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-01 01:12:14,555 INFO L168 Benchmark]: Toolchain (without parser) took 8166.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 193.0 MB). Peak memory consumption was 193.0 MB. Max. memory is 7.1 GB. [2018-10-01 01:12:14,558 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:12:14,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:12:14,559 INFO L168 Benchmark]: Boogie Preprocessor took 27.43 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:12:14,560 INFO L168 Benchmark]: RCFGBuilder took 204.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 01:12:14,561 INFO L168 Benchmark]: TraceAbstraction took 7882.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 7.1 GB. [2018-10-01 01:12:14,565 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 45.37 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 27.43 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 204.31 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 7882.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 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:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Power3-Safe.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-01_01-12-14-578.csv Received shutdown request...