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/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:56:07,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:56:07,191 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:56:07,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:56:07,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:56:07,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:56:07,211 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:56:07,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:56:07,214 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:56:07,215 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:56:07,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:56:07,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:56:07,218 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:56:07,219 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:56:07,220 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:56:07,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:56:07,222 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:56:07,226 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:56:07,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:56:07,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:56:07,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:56:07,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:56:07,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:56:07,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:56:07,244 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:56:07,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:56:07,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:56:07,248 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:56:07,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:56:07,253 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:56:07,253 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:56:07,255 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:56:07,255 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:56:07,256 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:56:07,258 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:56:07,259 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:56:07,259 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 08:56:07,275 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:56:07,275 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:56:07,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:56:07,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:56:07,279 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:56:07,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:56:07,279 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:56:07,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:56:07,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:56:07,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:56:07,351 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:56:07,352 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:56:07,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl [2018-09-26 08:56:07,354 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl' [2018-09-26 08:56:07,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:56:07,457 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:56:07,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:56:07,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:56:07,458 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:56:07,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/1) ... [2018-09-26 08:56:07,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/1) ... [2018-09-26 08:56:07,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:56:07,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:56:07,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:56:07,520 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:56:07,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/1) ... [2018-09-26 08:56:07,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/1) ... [2018-09-26 08:56:07,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/1) ... [2018-09-26 08:56:07,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/1) ... [2018-09-26 08:56:07,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/1) ... [2018-09-26 08:56:07,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/1) ... [2018-09-26 08:56:07,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/1) ... [2018-09-26 08:56:07,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:56:07,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:56:07,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:56:07,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:56:07,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (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 08:56:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:56:07,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:56:08,684 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:56:08,685 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:56:08 BoogieIcfgContainer [2018-09-26 08:56:08,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:56:08,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:56:08,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:56:08,690 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:56:08,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:56:07" (1/2) ... [2018-09-26 08:56:08,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d649556 and model type pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:56:08, skipping insertion in model container [2018-09-26 08:56:08,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:56:08" (2/2) ... [2018-09-26 08:56:08,694 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl [2018-09-26 08:56:08,705 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:56:08,717 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:56:08,766 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:56:08,767 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:56:08,768 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:56:08,768 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:56:08,768 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:56:08,768 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:56:08,768 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:56:08,769 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:56:08,769 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:56:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:56:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:56:08,794 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:56:08,795 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:56:08,796 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:56:08,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:56:08,803 INFO L82 PathProgramCache]: Analyzing trace with hash 990345, 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 08:56:08,832 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:56:09,552 WARN L178 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 08:56:09,866 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-09-26 08:56:09,924 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:56:09,924 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:56:09,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:56:09,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:56:09,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:56:09,937 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 08:56:10,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:56:10,015 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:56:10,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:56:10,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 08:56:10,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:56:10,031 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:56:10,031 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:56:10,035 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:56:10,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:56:10,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:56:10,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:56:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:56:10,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:56:10,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:56:10,073 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:56:10,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:56:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:56:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:56:10,074 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:56:10,074 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:56:10,075 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:56:10,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:56:10,075 INFO L82 PathProgramCache]: Analyzing trace with hash 951799901, 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 08:56:10,085 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:56:10,502 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 08:56:10,718 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-09-26 08:56:11,084 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 08:56:11,224 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 08:56:11,624 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2018-09-26 08:56:12,031 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2018-09-26 08:56:12,538 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 08:56:13,756 WARN L178 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 247 [2018-09-26 08:56:14,670 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 296 [2018-09-26 08:56:15,050 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-26 08:56:15,699 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 08:56:18,816 WARN L178 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 367 [2018-09-26 08:56:21,405 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 376 [2018-09-26 08:56:22,190 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-26 08:56:23,419 WARN L178 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 490 [2018-09-26 08:56:27,089 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-09-26 08:56:27,939 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2018-09-26 08:56:29,920 WARN L178 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 493 DAG size of output: 493 [2018-09-26 08:56:36,263 WARN L178 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2018-09-26 08:56:38,175 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2018-09-26 08:56:40,455 WARN L178 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 616 [2018-09-26 08:56:51,006 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2018-09-26 08:56:52,890 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-09-26 08:56:56,736 WARN L178 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 620 DAG size of output: 620 [2018-09-26 08:57:13,881 WARN L178 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 536 [2018-09-26 08:57:17,306 WARN L178 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-09-26 08:57:23,344 WARN L178 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 743 [2018-09-26 08:57:49,596 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2018-09-26 08:57:53,369 WARN L178 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2018-09-26 08:58:02,152 WARN L178 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2018-09-26 08:58:48,475 WARN L178 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 616 [2018-09-26 08:58:54,903 WARN L178 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-09-26 08:59:14,776 WARN L178 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 870 [2018-09-26 09:00:37,408 WARN L178 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 619 [2018-09-26 09:00:43,830 WARN L178 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 620 Received shutdown request... [2018-09-26 09:00:53,855 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:00:53,856 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:00:53,859 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:00:53,860 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:00:53 BoogieIcfgContainer [2018-09-26 09:00:53,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:00:53,861 INFO L168 Benchmark]: Toolchain (without parser) took 286408.61 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 117.4 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 54.0 MB). Peak memory consumption was 701.0 MB. Max. memory is 7.1 GB. [2018-09-26 09:00:53,862 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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 09:00:53,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.57 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 09:00:53,863 INFO L168 Benchmark]: Boogie Preprocessor took 58.58 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 09:00:53,864 INFO L168 Benchmark]: RCFGBuilder took 1106.44 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-09-26 09:00:53,865 INFO L168 Benchmark]: TraceAbstraction took 285173.82 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 117.4 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -9.4 MB). Peak memory consumption was 637.5 MB. Max. memory is 7.1 GB. [2018-09-26 09:00:53,869 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 0.25 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 61.57 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 58.58 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 1106.44 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 285173.82 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 117.4 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -9.4 MB). Peak memory consumption was 637.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 390]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 390). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 44 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. TIMEOUT Result, 285.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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: 1.0s 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/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-00-53-880.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c_10.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-00-53-880.csv Completed graceful shutdown