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/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label54_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:18:50,432 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:18:50,434 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:18:50,448 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:18:50,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:18:50,449 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:18:50,450 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:18:50,452 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:18:50,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:18:50,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:18:50,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:18:50,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:18:50,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:18:50,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:18:50,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:18:50,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:18:50,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:18:50,462 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:18:50,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:18:50,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:18:50,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:18:50,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:18:50,470 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:18:50,471 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:18:50,471 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:18:50,472 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:18:50,473 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:18:50,474 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:18:50,474 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:18:50,476 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:18:50,476 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:18:50,477 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:18:50,477 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:18:50,477 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:18:50,478 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:18:50,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:18:50,479 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 00:18:50,494 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:18:50,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:18:50,495 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:18:50,496 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:18:50,496 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:18:50,496 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:18:50,496 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:18:50,496 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:18:50,497 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 00:18:50,497 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:18:50,497 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:18:50,497 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:18:50,498 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:18:50,498 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:18:50,498 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:18:50,498 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:18:50,499 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:18:50,499 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:18:50,499 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:18:50,499 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:18:50,499 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:18:50,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:18:50,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:18:50,500 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:18:50,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:18:50,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:18:50,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:18:50,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:18:50,501 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:18:50,501 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:18:50,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:18:50,502 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:18:50,502 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 00:18:50,502 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 00:18:50,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:18:50,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:18:50,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:18:50,583 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:18:50,583 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:18:50,584 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label54_false-unreach-call.c [2018-10-27 00:18:50,649 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/540304af9/39c68b71fbc44d499abef86b4d0d597e/FLAG14680b456 [2018-10-27 00:18:51,391 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:18:51,392 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label54_false-unreach-call.c [2018-10-27 00:18:51,414 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/540304af9/39c68b71fbc44d499abef86b4d0d597e/FLAG14680b456 [2018-10-27 00:18:51,435 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/540304af9/39c68b71fbc44d499abef86b4d0d597e [2018-10-27 00:18:51,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:18:51,450 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:18:51,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:18:51,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:18:51,460 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:18:51,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:18:51" (1/1) ... [2018-10-27 00:18:51,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639b200f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:51, skipping insertion in model container [2018-10-27 00:18:51,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:18:51" (1/1) ... [2018-10-27 00:18:51,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:18:51,606 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:18:52,593 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:18:52,602 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:18:53,067 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:18:53,089 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:18:53,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53 WrapperNode [2018-10-27 00:18:53,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:18:53,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:18:53,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:18:53,091 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:18:53,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (1/1) ... [2018-10-27 00:18:53,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (1/1) ... [2018-10-27 00:18:53,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:18:53,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:18:53,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:18:53,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:18:53,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (1/1) ... [2018-10-27 00:18:53,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (1/1) ... [2018-10-27 00:18:53,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (1/1) ... [2018-10-27 00:18:53,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (1/1) ... [2018-10-27 00:18:53,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (1/1) ... [2018-10-27 00:18:53,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (1/1) ... [2018-10-27 00:18:53,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (1/1) ... [2018-10-27 00:18:53,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:18:53,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:18:53,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:18:53,834 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:18:53,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (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 [2018-10-27 00:18:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:18:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:18:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 00:18:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 00:18:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 00:18:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 00:18:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:18:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:18:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:18:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:19:06,820 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:19:06,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:06 BoogieIcfgContainer [2018-10-27 00:19:06,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:19:06,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:19:06,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:19:06,826 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:19:06,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:18:51" (1/3) ... [2018-10-27 00:19:06,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c37e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:19:06, skipping insertion in model container [2018-10-27 00:19:06,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:18:53" (2/3) ... [2018-10-27 00:19:06,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c37e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:19:06, skipping insertion in model container [2018-10-27 00:19:06,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:06" (3/3) ... [2018-10-27 00:19:06,830 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label54_false-unreach-call.c [2018-10-27 00:19:06,841 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:19:06,850 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:19:06,868 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:19:06,909 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:19:06,910 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:19:06,910 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:19:06,910 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:19:06,910 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:19:06,910 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:19:06,910 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:19:06,911 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:19:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-27 00:19:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 00:19:06,955 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:06,956 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] [2018-10-27 00:19:06,959 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:06,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:06,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1533531428, now seen corresponding path program 1 times [2018-10-27 00:19:06,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:19:07,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:07,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:07,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:07,021 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:19:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:07,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:07,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:19:07,432 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:19:07,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:19:07,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:19:07,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:19:07,454 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-27 00:19:18,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:18,957 INFO L93 Difference]: Finished difference Result 2162 states and 4007 transitions. [2018-10-27 00:19:18,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:19:18,959 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-10-27 00:19:18,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:18,990 INFO L225 Difference]: With dead ends: 2162 [2018-10-27 00:19:18,991 INFO L226 Difference]: Without dead ends: 1552 [2018-10-27 00:19:19,003 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:19:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2018-10-27 00:19:19,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1525. [2018-10-27 00:19:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-10-27 00:19:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2696 transitions. [2018-10-27 00:19:19,161 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2696 transitions. Word has length 20 [2018-10-27 00:19:19,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:19,161 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2696 transitions. [2018-10-27 00:19:19,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:19:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2696 transitions. [2018-10-27 00:19:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-27 00:19:19,169 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:19,169 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 00:19:19,169 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:19,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:19,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1982050186, now seen corresponding path program 1 times [2018-10-27 00:19:19,170 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:19:19,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:19,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:19,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:19,172 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:19:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:19,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:19,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:19:19,555 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:19:19,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:19:19,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:19:19,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:19:19,558 INFO L87 Difference]: Start difference. First operand 1525 states and 2696 transitions. Second operand 6 states. [2018-10-27 00:19:44,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:44,909 INFO L93 Difference]: Finished difference Result 5786 states and 10682 transitions. [2018-10-27 00:19:44,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:19:44,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-10-27 00:19:44,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:44,943 INFO L225 Difference]: With dead ends: 5786 [2018-10-27 00:19:44,943 INFO L226 Difference]: Without dead ends: 4267 [2018-10-27 00:19:44,963 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:19:44,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2018-10-27 00:19:45,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 4243. [2018-10-27 00:19:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4243 states. [2018-10-27 00:19:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 6361 transitions. [2018-10-27 00:19:45,110 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 6361 transitions. Word has length 99 [2018-10-27 00:19:45,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:45,111 INFO L481 AbstractCegarLoop]: Abstraction has 4243 states and 6361 transitions. [2018-10-27 00:19:45,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:19:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 6361 transitions. [2018-10-27 00:19:45,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 00:19:45,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:45,120 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 00:19:45,121 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:45,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:45,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1539737542, now seen corresponding path program 1 times [2018-10-27 00:19:45,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:19:45,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:45,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:45,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:45,123 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:19:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:45,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:45,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:19:45,398 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:19:45,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:19:45,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:19:45,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:19:45,400 INFO L87 Difference]: Start difference. First operand 4243 states and 6361 transitions. Second operand 6 states. [2018-10-27 00:19:52,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:52,265 INFO L93 Difference]: Finished difference Result 12712 states and 20702 transitions. [2018-10-27 00:19:52,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:19:52,266 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-10-27 00:19:52,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:52,326 INFO L225 Difference]: With dead ends: 12712 [2018-10-27 00:19:52,326 INFO L226 Difference]: Without dead ends: 8475 [2018-10-27 00:19:52,354 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:19:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8475 states. [2018-10-27 00:19:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8475 to 8390. [2018-10-27 00:19:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8390 states. [2018-10-27 00:19:52,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8390 states to 8390 states and 12580 transitions. [2018-10-27 00:19:52,632 INFO L78 Accepts]: Start accepts. Automaton has 8390 states and 12580 transitions. Word has length 100 [2018-10-27 00:19:52,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:52,632 INFO L481 AbstractCegarLoop]: Abstraction has 8390 states and 12580 transitions. [2018-10-27 00:19:52,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:19:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 8390 states and 12580 transitions. [2018-10-27 00:19:52,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 00:19:52,638 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:52,638 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:52,638 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:52,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:52,639 INFO L82 PathProgramCache]: Analyzing trace with hash -724720364, now seen corresponding path program 1 times [2018-10-27 00:19:52,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:19:52,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:52,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:52,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:52,640 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:19:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:52,996 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:19:52,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:19:52,997 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:19:52,998 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-10-27 00:19:53,000 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [770], [772], [775], [783], [791], [799], [807], [815], [823], [831], [839], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1228], [1232], [1236], [1239], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-27 00:19:53,071 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:19:53,071 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:19:54,414 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 00:20:14,240 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:20:14,241 INFO L272 AbstractInterpreter]: Visited 87 different actions 573 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-27 00:20:14,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:20:14,262 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:20:17,513 INFO L227 lantSequenceWeakener]: Weakened 27 states. On average, predicates are now at 77.47% of their original sizes. [2018-10-27 00:20:17,514 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:21:35,785 INFO L415 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-10-27 00:21:35,785 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:21:35,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:21:35,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [6] total 30 [2018-10-27 00:21:35,787 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:21:35,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-10-27 00:21:35,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-10-27 00:21:35,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2018-10-27 00:21:35,788 INFO L87 Difference]: Start difference. First operand 8390 states and 12580 transitions. Second operand 26 states. Received shutdown request... [2018-10-27 00:22:53,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 00:22:53,548 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 00:22:53,553 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 00:22:53,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:22:53 BoogieIcfgContainer [2018-10-27 00:22:53,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:22:53,554 INFO L168 Benchmark]: Toolchain (without parser) took 242105.14 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -141.4 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 00:22:53,556 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 00:22:53,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1637.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-27 00:22:53,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 461.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.4 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -923.9 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2018-10-27 00:22:53,558 INFO L168 Benchmark]: Boogie Preprocessor took 281.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2018-10-27 00:22:53,559 INFO L168 Benchmark]: RCFGBuilder took 12988.07 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 469.1 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. [2018-10-27 00:22:53,560 INFO L168 Benchmark]: TraceAbstraction took 226730.33 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 147.7 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-27 00:22:53,566 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1637.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 461.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.4 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -923.9 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 281.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12988.07 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 469.1 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 226730.33 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 147.7 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 47). Cancelled while BasicCegarLoop was constructing difference of abstraction (8390states) and FLOYD_HOARE automaton (currently 16 states, 26 states before enhancement),while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 226.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 121.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 675 SDtfs, 6427 SDslu, 794 SDs, 0 SdLazy, 9411 SolverSat, 3112 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 54.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 204 GetRequests, 114 SyntacticMatches, 45 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 81.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8390occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9934904401956424 AbsIntWeakeningRatio, 0.15606936416184972 AbsIntAvgWeakeningVarsNumRemoved, 699.4682080924855 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 136 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 389 ConstructedInterpolants, 0 QuantifiedInterpolants, 195119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 122/127 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown