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 -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/toy/nonlinear/Power1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:21:12,158 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:21:12,160 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:21:12,175 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:21:12,176 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:21:12,177 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:21:12,179 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:21:12,182 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:21:12,185 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:21:12,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:21:12,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:21:12,191 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:21:12,192 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:21:12,193 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:21:12,202 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:21:12,203 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:21:12,204 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:21:12,206 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:21:12,212 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:21:12,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:21:12,217 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:21:12,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:21:12,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:21:12,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:21:12,225 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:21:12,227 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:21:12,227 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:21:12,228 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:21:12,232 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:21:12,233 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:21:12,234 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:21:12,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:21:12,234 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:21:12,235 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:21:12,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:21:12,236 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:21:12,237 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 09:21:12,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:21:12,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:21:12,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:21:12,256 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:21:12,256 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:21:12,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:12,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:21:12,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:21:12,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:21:12,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:21:12,345 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:21:12,346 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:21:12,347 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power1-Safe.bpl [2018-09-26 09:21:12,347 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power1-Safe.bpl' [2018-09-26 09:21:12,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:21:12,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:21:12,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:21:12,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:21:12,400 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:21:12,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/1) ... [2018-09-26 09:21:12,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/1) ... [2018-09-26 09:21:12,434 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:21:12,434 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:21:12,434 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:21:12,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:21:12,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:21:12,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:21:12,437 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:21:12,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/1) ... [2018-09-26 09:21:12,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/1) ... [2018-09-26 09:21:12,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/1) ... [2018-09-26 09:21:12,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/1) ... [2018-09-26 09:21:12,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/1) ... [2018-09-26 09:21:12,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/1) ... [2018-09-26 09:21:12,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/1) ... [2018-09-26 09:21:12,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:21:12,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:21:12,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:21:12,458 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:21:12,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 09:21:12,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure power given in one single declaration [2018-09-26 09:21:12,529 INFO L130 BoogieDeclarations]: Found specification of procedure power [2018-09-26 09:21:12,529 INFO L138 BoogieDeclarations]: Found implementation of procedure power [2018-09-26 09:21:12,587 WARN L633 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-26 09:21:12,705 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:21:12,705 INFO L202 PluginConnector]: Adding new model Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:12 BoogieIcfgContainer [2018-09-26 09:21:12,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:21:12,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:21:12,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:21:12,710 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:21:12,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:12" (1/2) ... [2018-09-26 09:21:12,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4587e000 and model type Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:21:12, skipping insertion in model container [2018-09-26 09:21:12,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:12" (2/2) ... [2018-09-26 09:21:12,714 INFO L112 eAbstractionObserver]: Analyzing ICFG Power1-Safe.bpl [2018-09-26 09:21:12,724 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:21:12,731 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:21:12,774 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:21:12,775 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:21:12,776 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:21:12,776 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:21:12,776 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:21:12,776 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:21:12,776 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:21:12,777 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:21:12,777 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:21:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 09:21:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:21:12,801 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:21:12,802 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:21:12,803 INFO L423 AbstractCegarLoop]: === Iteration 1 === [powerErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-09-26 09:21:12,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:21:12,810 INFO L82 PathProgramCache]: Analyzing trace with hash 39627, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:12,833 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:21:13,141 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:21:13,142 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:21:13,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:21:13,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:21:13,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:21:13,155 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-09-26 09:21:13,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:21:13,236 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 09:21:13,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:21:13,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 09:21:13,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:21:13,250 INFO L225 Difference]: With dead ends: 8 [2018-09-26 09:21:13,250 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 09:21:13,253 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:21:13,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 09:21:13,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 09:21:13,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 09:21:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 09:21:13,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 09:21:13,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:21:13,284 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 09:21:13,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:21:13,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 09:21:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:21:13,285 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:21:13,285 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:21:13,286 INFO L423 AbstractCegarLoop]: === Iteration 2 === [powerErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-09-26 09:21:13,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:21:13,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1226462, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:13,298 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:21:13,773 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-09-26 09:21:14,880 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-09-26 09:21:15,892 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-09-26 09:21:16,517 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-09-26 09:21:18,097 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-09-26 09:21:18,754 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-09-26 09:21:19,471 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-26 09:21:20,020 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 09:21:20,539 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 09:21:21,239 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-26 09:21:22,067 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 09:21:23,036 WARN L178 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 106 [2018-09-26 09:21:27,153 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-26 09:21:35,836 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-26 09:21:47,732 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-26 09:22:04,089 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-26 09:22:24,185 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 09:22:49,462 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-09-26 09:23:19,945 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 09:23:55,516 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-26 09:24:37,027 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-09-26 09:25:24,975 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 176 Received shutdown request... [2018-09-26 09:25:53,129 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:25:53,129 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:25:53,135 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:25:53,135 INFO L202 PluginConnector]: Adding new model Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:25:53 BoogieIcfgContainer [2018-09-26 09:25:53,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:25:53,136 INFO L168 Benchmark]: Toolchain (without parser) took 280739.35 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -200.8 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 331.1 MB). Peak memory consumption was 130.3 MB. Max. memory is 7.1 GB. [2018-09-26 09:25:53,137 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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. [2018-09-26 09:25:53,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.67 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. [2018-09-26 09:25:53,138 INFO L168 Benchmark]: Boogie Preprocessor took 20.15 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. [2018-09-26 09:25:53,139 INFO L168 Benchmark]: RCFGBuilder took 248.19 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:25:53,140 INFO L168 Benchmark]: TraceAbstraction took 280428.52 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -200.8 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 310.0 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. [2018-09-26 09:25:53,145 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 0.18 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 36.67 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 20.15 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 248.19 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 280428.52 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -200.8 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 310.0 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 9]: Timeout (TraceAbstraction) Unable to prove that procedure postcondition always holds (line 9). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 92 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 280.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Power1-Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-25-53-157.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Power1-Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-25-53-157.csv Completed graceful shutdown