java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label29_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:44:27,465 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:44:27,467 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:44:27,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:44:27,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:44:27,480 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:44:27,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:44:27,483 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:44:27,485 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:44:27,486 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:44:27,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:44:27,487 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:44:27,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:44:27,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:44:27,490 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:44:27,491 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:44:27,492 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:44:27,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:44:27,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:44:27,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:44:27,506 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:44:27,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:44:27,511 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 14:44:27,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 14:44:27,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 14:44:27,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 14:44:27,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 14:44:27,518 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 14:44:27,519 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 14:44:27,520 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 14:44:27,520 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 14:44:27,521 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 14:44:27,525 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 14:44:27,539 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:44:27,539 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:44:27,540 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:44:27,540 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:44:27,541 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:44:27,541 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:44:27,541 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:44:27,542 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:44:27,542 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:44:27,542 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:44:27,542 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:44:27,542 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:44:27,543 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:44:27,543 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:44:27,543 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:44:27,543 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:44:27,543 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:44:27,544 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:44:27,544 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:44:27,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:44:27,544 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:44:27,544 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:44:27,544 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:44:27,545 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:44:27,545 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:44:27,545 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:44:27,545 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:44:27,545 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:44:27,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:44:27,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:44:27,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:44:27,623 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:44:27,623 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:44:27,624 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label29_false-unreach-call.c [2018-10-24 14:44:27,691 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/46340f6e8/bf27dcc81f074046ac586eb0c8c9fd1b/FLAGa2f9482b0 [2018-10-24 14:44:28,618 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:44:28,619 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label29_false-unreach-call.c [2018-10-24 14:44:28,668 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/46340f6e8/bf27dcc81f074046ac586eb0c8c9fd1b/FLAGa2f9482b0 [2018-10-24 14:44:28,684 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/46340f6e8/bf27dcc81f074046ac586eb0c8c9fd1b [2018-10-24 14:44:28,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:44:28,698 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:44:28,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:44:28,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:44:28,705 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:44:28,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:44:28" (1/1) ... [2018-10-24 14:44:28,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b8a232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:28, skipping insertion in model container [2018-10-24 14:44:28,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:44:28" (1/1) ... [2018-10-24 14:44:28,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:44:29,010 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:44:30,945 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:44:30,949 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:44:31,966 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:44:32,023 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:44:32,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32 WrapperNode [2018-10-24 14:44:32,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:44:32,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:44:32,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:44:32,025 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:44:32,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... [2018-10-24 14:44:32,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... [2018-10-24 14:44:33,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:44:33,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:44:33,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:44:33,263 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:44:33,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... [2018-10-24 14:44:33,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... [2018-10-24 14:44:33,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... [2018-10-24 14:44:33,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... [2018-10-24 14:44:33,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... [2018-10-24 14:44:33,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... [2018-10-24 14:44:33,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... [2018-10-24 14:44:34,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:44:34,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:44:34,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:44:34,004 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:44:34,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 14:44:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:44:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:44:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:44:50,673 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:44:50,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:44:50 BoogieIcfgContainer [2018-10-24 14:44:50,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:44:50,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:44:50,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:44:50,679 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:44:50,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:44:28" (1/3) ... [2018-10-24 14:44:50,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aac374c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:44:50, skipping insertion in model container [2018-10-24 14:44:50,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:44:32" (2/3) ... [2018-10-24 14:44:50,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aac374c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:44:50, skipping insertion in model container [2018-10-24 14:44:50,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:44:50" (3/3) ... [2018-10-24 14:44:50,684 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label29_false-unreach-call.c [2018-10-24 14:44:50,694 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:44:50,705 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:44:50,724 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:44:50,778 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:44:50,779 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:44:50,779 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:44:50,779 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:44:50,779 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:44:50,779 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:44:50,780 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:44:50,780 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:44:50,780 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:44:51,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-24 14:44:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-24 14:44:51,137 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:44:51,139 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:44:51,141 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:44:51,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:44:51,151 INFO L82 PathProgramCache]: Analyzing trace with hash 682595178, now seen corresponding path program 1 times [2018-10-24 14:44:51,153 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:44:51,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:44:51,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:44:51,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:44:51,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:44:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:44:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:44:51,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:44:51,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:44:51,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:44:51,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:44:51,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:44:51,524 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-10-24 14:45:17,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:45:17,056 INFO L93 Difference]: Finished difference Result 6406 states and 12224 transitions. [2018-10-24 14:45:17,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:45:17,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-10-24 14:45:17,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:45:17,117 INFO L225 Difference]: With dead ends: 6406 [2018-10-24 14:45:17,117 INFO L226 Difference]: Without dead ends: 4650 [2018-10-24 14:45:17,128 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:45:17,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2018-10-24 14:45:17,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 4611. [2018-10-24 14:45:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4611 states. [2018-10-24 14:45:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 7301 transitions. [2018-10-24 14:45:17,342 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 7301 transitions. Word has length 22 [2018-10-24 14:45:17,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:45:17,343 INFO L481 AbstractCegarLoop]: Abstraction has 4611 states and 7301 transitions. [2018-10-24 14:45:17,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:45:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 7301 transitions. [2018-10-24 14:45:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-24 14:45:17,347 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:45:17,348 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:45:17,348 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:45:17,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:45:17,349 INFO L82 PathProgramCache]: Analyzing trace with hash -477714898, now seen corresponding path program 1 times [2018-10-24 14:45:17,349 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:45:17,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:45:17,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:45:17,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:45:17,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:45:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:45:18,161 WARN L179 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2018-10-24 14:45:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:45:18,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:45:18,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 14:45:18,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 14:45:18,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 14:45:18,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 14:45:18,397 INFO L87 Difference]: Start difference. First operand 4611 states and 7301 transitions. Second operand 6 states. [2018-10-24 14:45:53,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:45:53,665 INFO L93 Difference]: Finished difference Result 20180 states and 30824 transitions. [2018-10-24 14:45:53,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 14:45:53,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-10-24 14:45:53,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:45:53,736 INFO L225 Difference]: With dead ends: 20180 [2018-10-24 14:45:53,737 INFO L226 Difference]: Without dead ends: 15571 [2018-10-24 14:45:53,746 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-24 14:45:53,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15571 states. [2018-10-24 14:45:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15571 to 14198. [2018-10-24 14:45:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14198 states. [2018-10-24 14:45:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14198 states to 14198 states and 18990 transitions. [2018-10-24 14:45:54,006 INFO L78 Accepts]: Start accepts. Automaton has 14198 states and 18990 transitions. Word has length 90 [2018-10-24 14:45:54,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:45:54,006 INFO L481 AbstractCegarLoop]: Abstraction has 14198 states and 18990 transitions. [2018-10-24 14:45:54,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 14:45:54,007 INFO L276 IsEmpty]: Start isEmpty. Operand 14198 states and 18990 transitions. [2018-10-24 14:45:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-10-24 14:45:54,038 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:45:54,038 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:45:54,039 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:45:54,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:45:54,039 INFO L82 PathProgramCache]: Analyzing trace with hash 418090317, now seen corresponding path program 1 times [2018-10-24 14:45:54,039 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:45:54,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:45:54,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:45:54,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:45:54,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:45:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:45:55,248 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-24 14:45:55,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:45:55,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 14:45:55,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 14:45:55,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 14:45:55,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 14:45:55,253 INFO L87 Difference]: Start difference. First operand 14198 states and 18990 transitions. Second operand 7 states. [2018-10-24 14:46:29,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:46:29,656 INFO L93 Difference]: Finished difference Result 42065 states and 56298 transitions. [2018-10-24 14:46:29,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 14:46:29,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 298 [2018-10-24 14:46:29,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:46:29,732 INFO L225 Difference]: With dead ends: 42065 [2018-10-24 14:46:29,732 INFO L226 Difference]: Without dead ends: 27869 [2018-10-24 14:46:29,748 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-24 14:46:29,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27869 states. [2018-10-24 14:46:30,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27869 to 25134. [2018-10-24 14:46:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25134 states. [2018-10-24 14:46:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25134 states to 25134 states and 30401 transitions. [2018-10-24 14:46:30,078 INFO L78 Accepts]: Start accepts. Automaton has 25134 states and 30401 transitions. Word has length 298 [2018-10-24 14:46:30,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:46:30,079 INFO L481 AbstractCegarLoop]: Abstraction has 25134 states and 30401 transitions. [2018-10-24 14:46:30,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 14:46:30,080 INFO L276 IsEmpty]: Start isEmpty. Operand 25134 states and 30401 transitions. [2018-10-24 14:46:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-10-24 14:46:30,084 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:46:30,084 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:46:30,085 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:46:30,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:46:30,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1898770279, now seen corresponding path program 1 times [2018-10-24 14:46:30,085 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:46:30,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:46:30,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:46:30,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:46:30,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:46:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:46:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 39 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:46:30,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:46:30,558 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 14:46:30,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:46:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:46:30,690 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:46:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:46:30,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:46:30,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-24 14:46:30,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 14:46:30,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 14:46:30,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:46:30,836 INFO L87 Difference]: Start difference. First operand 25134 states and 30401 transitions. Second operand 5 states. [2018-10-24 14:47:07,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:47:07,060 INFO L93 Difference]: Finished difference Result 114900 states and 149450 transitions. [2018-10-24 14:47:07,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 14:47:07,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 326 [2018-10-24 14:47:07,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:47:07,223 INFO L225 Difference]: With dead ends: 114900 [2018-10-24 14:47:07,223 INFO L226 Difference]: Without dead ends: 80202 [2018-10-24 14:47:07,265 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 14:47:07,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80202 states. [2018-10-24 14:47:08,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80202 to 80104. [2018-10-24 14:47:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80104 states. [2018-10-24 14:47:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80104 states to 80104 states and 93292 transitions. [2018-10-24 14:47:08,605 INFO L78 Accepts]: Start accepts. Automaton has 80104 states and 93292 transitions. Word has length 326 [2018-10-24 14:47:08,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:47:08,606 INFO L481 AbstractCegarLoop]: Abstraction has 80104 states and 93292 transitions. [2018-10-24 14:47:08,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 14:47:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 80104 states and 93292 transitions. [2018-10-24 14:47:08,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-10-24 14:47:08,612 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:47:08,612 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:47:08,612 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:47:08,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:47:08,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1534367715, now seen corresponding path program 1 times [2018-10-24 14:47:08,613 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:47:08,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:47:08,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:47:08,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:47:08,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:47:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:47:09,575 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-24 14:47:09,575 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:47:09,575 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 14:47:09,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:47:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:47:09,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:47:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:47:09,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:47:09,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-10-24 14:47:09,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:47:09,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:47:09,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:47:09,819 INFO L87 Difference]: Start difference. First operand 80104 states and 93292 transitions. Second operand 4 states. [2018-10-24 14:47:33,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:47:33,477 INFO L93 Difference]: Finished difference Result 286225 states and 337230 transitions. [2018-10-24 14:47:33,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:47:33,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 328 [2018-10-24 14:47:33,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:47:33,753 INFO L225 Difference]: With dead ends: 286225 [2018-10-24 14:47:33,753 INFO L226 Difference]: Without dead ends: 207489 [2018-10-24 14:47:33,819 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:47:34,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207489 states. [2018-10-24 14:47:35,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207489 to 133370. [2018-10-24 14:47:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133370 states. [2018-10-24 14:47:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133370 states to 133370 states and 154665 transitions. [2018-10-24 14:47:35,323 INFO L78 Accepts]: Start accepts. Automaton has 133370 states and 154665 transitions. Word has length 328 [2018-10-24 14:47:35,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:47:35,324 INFO L481 AbstractCegarLoop]: Abstraction has 133370 states and 154665 transitions. [2018-10-24 14:47:35,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:47:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 133370 states and 154665 transitions. [2018-10-24 14:47:35,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2018-10-24 14:47:35,340 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:47:35,341 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:47:35,341 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:47:35,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:47:35,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1350751844, now seen corresponding path program 1 times [2018-10-24 14:47:35,343 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:47:35,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:47:35,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:47:35,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:47:35,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:47:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:47:35,865 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-24 14:47:36,385 WARN L179 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-10-24 14:47:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 441 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-10-24 14:47:37,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:47:37,678 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 14:47:37,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:47:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:47:37,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:47:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-10-24 14:47:38,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:47:38,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-24 14:47:38,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 14:47:38,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 14:47:38,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:47:38,207 INFO L87 Difference]: Start difference. First operand 133370 states and 154665 transitions. Second operand 5 states. [2018-10-24 14:48:00,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:48:00,769 INFO L93 Difference]: Finished difference Result 287231 states and 331289 transitions. [2018-10-24 14:48:00,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 14:48:00,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 639 [2018-10-24 14:48:00,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:48:00,942 INFO L225 Difference]: With dead ends: 287231 [2018-10-24 14:48:00,942 INFO L226 Difference]: Without dead ends: 148394 [2018-10-24 14:48:01,034 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 639 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-24 14:48:01,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148394 states. [2018-10-24 14:48:02,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148394 to 134722. [2018-10-24 14:48:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134722 states. [2018-10-24 14:48:02,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134722 states to 134722 states and 147923 transitions. [2018-10-24 14:48:02,928 INFO L78 Accepts]: Start accepts. Automaton has 134722 states and 147923 transitions. Word has length 639 [2018-10-24 14:48:02,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:48:02,929 INFO L481 AbstractCegarLoop]: Abstraction has 134722 states and 147923 transitions. [2018-10-24 14:48:02,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 14:48:02,929 INFO L276 IsEmpty]: Start isEmpty. Operand 134722 states and 147923 transitions. [2018-10-24 14:48:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2018-10-24 14:48:02,960 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:48:02,961 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:48:02,961 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:48:02,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:48:02,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1514175883, now seen corresponding path program 1 times [2018-10-24 14:48:02,962 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:48:02,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:48:02,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:48:02,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:48:02,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:48:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:48:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-10-24 14:48:04,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:48:04,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:48:04,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:48:04,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:48:04,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:48:04,187 INFO L87 Difference]: Start difference. First operand 134722 states and 147923 transitions. Second operand 4 states. [2018-10-24 14:48:21,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:48:21,280 INFO L93 Difference]: Finished difference Result 360983 states and 397610 transitions. [2018-10-24 14:48:21,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:48:21,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 891 [2018-10-24 14:48:21,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:48:21,568 INFO L225 Difference]: With dead ends: 360983 [2018-10-24 14:48:21,569 INFO L226 Difference]: Without dead ends: 209829 [2018-10-24 14:48:21,677 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:48:21,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209829 states. Received shutdown request... [2018-10-24 14:48:24,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209829 to 204331. [2018-10-24 14:48:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204331 states. [2018-10-24 14:48:24,251 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 14:48:24,255 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 14:48:24,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:48:24 BoogieIcfgContainer [2018-10-24 14:48:24,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 14:48:24,257 INFO L168 Benchmark]: Toolchain (without parser) took 235560.09 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 59.1 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-10-24 14:48:24,258 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:48:24,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3325.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 996.9 MB in the end (delta: 401.7 MB). Peak memory consumption was 401.7 MB. Max. memory is 7.1 GB. [2018-10-24 14:48:24,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 1237.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 858.8 MB). Free memory was 996.9 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. [2018-10-24 14:48:24,260 INFO L168 Benchmark]: Boogie Preprocessor took 740.33 ms. Allocated memory is still 2.4 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 93.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. [2018-10-24 14:48:24,261 INFO L168 Benchmark]: RCFGBuilder took 16670.91 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 266.3 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 531.2 MB). Peak memory consumption was 797.5 MB. Max. memory is 7.1 GB. [2018-10-24 14:48:24,265 INFO L168 Benchmark]: TraceAbstraction took 213580.32 ms. Allocated memory was 2.7 GB in the beginning and 3.4 GB in the end (delta: 779.6 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 14:48:24,270 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3325.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 996.9 MB in the end (delta: 401.7 MB). Peak memory consumption was 401.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1237.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 858.8 MB). Free memory was 996.9 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 740.33 ms. Allocated memory is still 2.4 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 93.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16670.91 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 266.3 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 531.2 MB). Peak memory consumption was 797.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213580.32 ms. Allocated memory was 2.7 GB in the beginning and 3.4 GB in the end (delta: 779.6 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 79). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 213.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 196.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9334 SDtfs, 42824 SDslu, 3952 SDs, 0 SdLazy, 92266 SolverSat, 19447 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 165.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1339 GetRequests, 1300 SyntacticMatches, 10 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134722occurred in iteration=6, 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: 8.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 92036 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 3887 NumberOfCodeBlocks, 3887 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3877 ConstructedInterpolants, 0 QuantifiedInterpolants, 7039040 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1586 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 2267/2340 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown