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/Problem11_label52_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:14:42,308 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:14:42,310 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:14:42,322 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:14:42,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:14:42,323 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:14:42,325 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:14:42,327 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:14:42,328 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:14:42,329 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:14:42,330 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:14:42,330 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:14:42,331 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:14:42,332 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:14:42,334 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:14:42,334 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:14:42,335 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:14:42,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:14:42,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:14:42,340 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:14:42,341 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:14:42,343 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:14:42,345 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 21:14:42,345 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 21:14:42,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 21:14:42,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 21:14:42,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 21:14:42,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 21:14:42,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 21:14:42,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 21:14:42,350 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 21:14:42,351 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 21:14:42,351 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:14:42,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:14:42,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:14:42,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:14:42,354 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 [2018-10-24 21:14:42,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:14:42,369 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:14:42,370 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:14:42,370 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:14:42,370 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:14:42,371 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:14:42,371 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:14:42,371 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:14:42,371 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:14:42,371 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:14:42,372 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:14:42,372 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:14:42,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:14:42,373 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:14:42,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:14:42,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:14:42,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:14:42,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:14:42,374 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:14:42,374 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:14:42,374 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:14:42,374 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:14:42,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:14:42,375 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:14:42,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:14:42,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:14:42,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:14:42,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:14:42,376 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:14:42,376 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:14:42,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:14:42,376 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:14:42,376 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:14:42,377 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:14:42,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:14:42,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:14:42,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:14:42,442 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:14:42,442 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:14:42,443 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label52_true-unreach-call.c [2018-10-24 21:14:42,513 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6f4c41fc5/c8b63cbc533a436894c6f4af0b4c017b/FLAG17a05b782 [2018-10-24 21:14:43,174 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:14:43,175 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label52_true-unreach-call.c [2018-10-24 21:14:43,199 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6f4c41fc5/c8b63cbc533a436894c6f4af0b4c017b/FLAG17a05b782 [2018-10-24 21:14:43,219 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6f4c41fc5/c8b63cbc533a436894c6f4af0b4c017b [2018-10-24 21:14:43,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:14:43,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:14:43,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:14:43,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:14:43,238 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:14:43,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:14:43" (1/1) ... [2018-10-24 21:14:43,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11290b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:43, skipping insertion in model container [2018-10-24 21:14:43,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:14:43" (1/1) ... [2018-10-24 21:14:43,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:14:43,320 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:14:43,864 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:14:43,871 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:14:44,100 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:14:44,121 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:14:44,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44 WrapperNode [2018-10-24 21:14:44,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:14:44,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:14:44,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:14:44,123 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:14:44,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (1/1) ... [2018-10-24 21:14:44,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (1/1) ... [2018-10-24 21:14:44,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:14:44,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:14:44,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:14:44,406 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:14:44,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (1/1) ... [2018-10-24 21:14:44,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (1/1) ... [2018-10-24 21:14:44,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (1/1) ... [2018-10-24 21:14:44,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (1/1) ... [2018-10-24 21:14:44,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (1/1) ... [2018-10-24 21:14:44,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (1/1) ... [2018-10-24 21:14:44,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (1/1) ... [2018-10-24 21:14:44,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:14:44,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:14:44,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:14:44,551 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:14:44,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (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 21:14:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:14:44,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:14:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:14:44,628 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:14:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:14:44,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:14:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:14:44,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:14:49,451 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:14:49,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:14:49 BoogieIcfgContainer [2018-10-24 21:14:49,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:14:49,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:14:49,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:14:49,457 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:14:49,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:14:43" (1/3) ... [2018-10-24 21:14:49,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e46182d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:14:49, skipping insertion in model container [2018-10-24 21:14:49,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:14:44" (2/3) ... [2018-10-24 21:14:49,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e46182d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:14:49, skipping insertion in model container [2018-10-24 21:14:49,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:14:49" (3/3) ... [2018-10-24 21:14:49,461 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label52_true-unreach-call.c [2018-10-24 21:14:49,471 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:14:49,480 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:14:49,498 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:14:49,538 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:14:49,539 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:14:49,539 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:14:49,539 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:14:49,540 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:14:49,540 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:14:49,540 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:14:49,540 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:14:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-24 21:14:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-24 21:14:49,579 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:14:49,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:49,583 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:14:49,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:14:49,589 INFO L82 PathProgramCache]: Analyzing trace with hash -684847423, now seen corresponding path program 1 times [2018-10-24 21:14:49,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:14:49,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:14:49,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:14:49,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:14:49,644 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:14:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:14:50,172 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:14:50,213 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 21:14:50,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:14:50,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:14:50,216 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:14:50,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:14:50,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:14:50,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:14:50,245 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-10-24 21:14:52,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:14:52,350 INFO L93 Difference]: Finished difference Result 790 states and 1382 transitions. [2018-10-24 21:14:52,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:14:52,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-10-24 21:14:52,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:14:52,376 INFO L225 Difference]: With dead ends: 790 [2018-10-24 21:14:52,376 INFO L226 Difference]: Without dead ends: 495 [2018-10-24 21:14:52,385 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:14:52,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-10-24 21:14:52,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2018-10-24 21:14:52,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-10-24 21:14:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 849 transitions. [2018-10-24 21:14:52,484 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 849 transitions. Word has length 59 [2018-10-24 21:14:52,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:14:52,485 INFO L481 AbstractCegarLoop]: Abstraction has 488 states and 849 transitions. [2018-10-24 21:14:52,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:14:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 849 transitions. [2018-10-24 21:14:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-24 21:14:52,500 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:14:52,501 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 21:14:52,501 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:14:52,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:14:52,503 INFO L82 PathProgramCache]: Analyzing trace with hash 788418208, now seen corresponding path program 1 times [2018-10-24 21:14:52,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:14:52,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:14:52,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:14:52,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:14:52,505 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:14:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:14:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:14:52,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:14:52,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:14:52,966 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:14:52,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:14:52,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:14:52,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:14:52,969 INFO L87 Difference]: Start difference. First operand 488 states and 849 transitions. Second operand 5 states. [2018-10-24 21:14:58,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:14:58,361 INFO L93 Difference]: Finished difference Result 1731 states and 3162 transitions. [2018-10-24 21:14:58,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:14:58,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-10-24 21:14:58,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:14:58,376 INFO L225 Difference]: With dead ends: 1731 [2018-10-24 21:14:58,376 INFO L226 Difference]: Without dead ends: 1249 [2018-10-24 21:14:58,381 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:14:58,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-10-24 21:14:58,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1032. [2018-10-24 21:14:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-10-24 21:14:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1658 transitions. [2018-10-24 21:14:58,449 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1658 transitions. Word has length 135 [2018-10-24 21:14:58,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:14:58,449 INFO L481 AbstractCegarLoop]: Abstraction has 1032 states and 1658 transitions. [2018-10-24 21:14:58,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:14:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1658 transitions. [2018-10-24 21:14:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-24 21:14:58,455 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:14:58,455 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 21:14:58,456 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:14:58,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:14:58,456 INFO L82 PathProgramCache]: Analyzing trace with hash 167245263, now seen corresponding path program 1 times [2018-10-24 21:14:58,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:14:58,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:14:58,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:14:58,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:14:58,458 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:14:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:14:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:14:58,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:14:58,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:14:58,825 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:14:58,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:14:58,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:14:58,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:14:58,829 INFO L87 Difference]: Start difference. First operand 1032 states and 1658 transitions. Second operand 5 states. [2018-10-24 21:15:03,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:15:03,258 INFO L93 Difference]: Finished difference Result 3666 states and 6091 transitions. [2018-10-24 21:15:03,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:15:03,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-10-24 21:15:03,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:15:03,290 INFO L225 Difference]: With dead ends: 3666 [2018-10-24 21:15:03,290 INFO L226 Difference]: Without dead ends: 2640 [2018-10-24 21:15:03,300 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:15:03,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2018-10-24 21:15:03,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2605. [2018-10-24 21:15:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2018-10-24 21:15:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3731 transitions. [2018-10-24 21:15:03,403 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3731 transitions. Word has length 146 [2018-10-24 21:15:03,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:15:03,403 INFO L481 AbstractCegarLoop]: Abstraction has 2605 states and 3731 transitions. [2018-10-24 21:15:03,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:15:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3731 transitions. [2018-10-24 21:15:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-24 21:15:03,410 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:15:03,411 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 21:15:03,411 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:15:03,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:15:03,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2059396069, now seen corresponding path program 1 times [2018-10-24 21:15:03,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:15:03,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:15:03,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:15:03,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:15:03,414 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:15:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:15:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:15:03,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:15:03,787 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:15:03,788 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-10-24 21:15:03,791 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 21:15:03,865 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:15:03,866 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:15:08,157 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:15:24,828 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:15:24,829 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-24 21:15:24,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:15:24,843 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:15:28,537 INFO L232 lantSequenceWeakener]: Weakened 31 states. On average, predicates are now at 77.67% of their original sizes. [2018-10-24 21:15:28,538 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:16:45,002 INFO L413 sIntCurrentIteration]: We have 190 unified AI predicates [2018-10-24 21:16:45,002 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:16:45,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:16:45,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [8] total 23 [2018-10-24 21:16:45,004 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:16:45,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-24 21:16:45,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-24 21:16:45,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-24 21:16:45,006 INFO L87 Difference]: Start difference. First operand 2605 states and 3731 transitions. Second operand 17 states. Received shutdown request... [2018-10-24 21:18:58,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-24 21:18:58,411 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:18:58,417 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:18:58,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:18:58 BoogieIcfgContainer [2018-10-24 21:18:58,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:18:58,418 INFO L168 Benchmark]: Toolchain (without parser) took 255186.45 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 870.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:18:58,420 INFO L168 Benchmark]: CDTParser took 0.20 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 21:18:58,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 888.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-10-24 21:18:58,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 283.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -856.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-24 21:18:58,423 INFO L168 Benchmark]: Boogie Preprocessor took 144.22 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:18:58,423 INFO L168 Benchmark]: RCFGBuilder took 4901.45 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 198.0 MB). Peak memory consumption was 198.0 MB. Max. memory is 7.1 GB. [2018-10-24 21:18:58,424 INFO L168 Benchmark]: TraceAbstraction took 248964.34 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -464.6 MB). Peak memory consumption was 714.5 MB. Max. memory is 7.1 GB. [2018-10-24 21:18:58,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 888.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 283.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -856.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.22 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4901.45 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 198.0 MB). Peak memory consumption was 198.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 248964.34 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -464.6 MB). Peak memory consumption was 714.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 162]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 162). Cancelled while BasicCegarLoop was constructing difference of abstraction (2605states) and FLOYD_HOARE automaton (currently 17 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (827 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 248.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 145.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 416 SDtfs, 2855 SDslu, 468 SDs, 0 SdLazy, 5258 SolverSat, 988 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 221 GetRequests, 122 SyntacticMatches, 63 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 82.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2605occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9952659426343637 AbsIntWeakeningRatio, 0.12105263157894737 AbsIntAvgWeakeningVarsNumRemoved, 947.5157894736842 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 259 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 531 NumberOfCodeBlocks, 531 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 334201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 150/156 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown