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_label31_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:12:56,342 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:12:56,344 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:12:56,356 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:12:56,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:12:56,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:12:56,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:12:56,361 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:12:56,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:12:56,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:12:56,365 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:12:56,365 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:12:56,366 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:12:56,367 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:12:56,368 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:12:56,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:12:56,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:12:56,372 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:12:56,374 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:12:56,376 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:12:56,377 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:12:56,378 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:12:56,381 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:12:56,381 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:12:56,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:12:56,382 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:12:56,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:12:56,384 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:12:56,385 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:12:56,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:12:56,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:12:56,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 18:12:56,391 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 18:12:56,425 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:12:56,425 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:12:56,426 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:12:56,426 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:12:56,427 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:12:56,427 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:12:56,427 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:12:56,428 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:12:56,428 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:12:56,428 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:12:56,428 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:12:56,428 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:12:56,430 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:12:56,430 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:12:56,430 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:12:56,430 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:12:56,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:12:56,431 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:12:56,431 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:12:56,431 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:12:56,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:12:56,431 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:12:56,432 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:12:56,433 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:12:56,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:12:56,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:12:56,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:12:56,434 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:12:56,434 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:12:56,435 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:12:56,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:12:56,435 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:12:56,435 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:12:56,435 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:12:56,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:12:56,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:12:56,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:12:56,531 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:12:56,532 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:12:56,533 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label31_false-unreach-call.c [2018-10-24 18:12:56,598 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/443914e48/8fcd4858c5964490be7a657e0cef8a24/FLAGd687393fb [2018-10-24 18:12:57,263 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:12:57,264 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label31_false-unreach-call.c [2018-10-24 18:12:57,279 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/443914e48/8fcd4858c5964490be7a657e0cef8a24/FLAGd687393fb [2018-10-24 18:12:57,296 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/443914e48/8fcd4858c5964490be7a657e0cef8a24 [2018-10-24 18:12:57,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:12:57,311 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:12:57,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:12:57,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:12:57,316 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:12:57,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:12:57" (1/1) ... [2018-10-24 18:12:57,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1986f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:57, skipping insertion in model container [2018-10-24 18:12:57,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:12:57" (1/1) ... [2018-10-24 18:12:57,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:12:57,426 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:12:58,120 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:12:58,126 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:12:58,282 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:12:58,301 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:12:58,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58 WrapperNode [2018-10-24 18:12:58,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:12:58,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:12:58,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:12:58,303 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:12:58,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (1/1) ... [2018-10-24 18:12:58,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (1/1) ... [2018-10-24 18:12:58,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:12:58,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:12:58,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:12:58,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:12:58,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (1/1) ... [2018-10-24 18:12:58,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (1/1) ... [2018-10-24 18:12:58,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (1/1) ... [2018-10-24 18:12:58,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (1/1) ... [2018-10-24 18:12:58,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (1/1) ... [2018-10-24 18:12:58,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (1/1) ... [2018-10-24 18:12:58,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (1/1) ... [2018-10-24 18:12:58,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:12:58,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:12:58,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:12:58,771 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:12:58,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (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 18:12:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:12:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:12:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:12:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:12:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:12:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:12:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:12:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:13:04,378 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:13:04,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:13:04 BoogieIcfgContainer [2018-10-24 18:13:04,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:13:04,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:13:04,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:13:04,384 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:13:04,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:12:57" (1/3) ... [2018-10-24 18:13:04,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6ad139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:13:04, skipping insertion in model container [2018-10-24 18:13:04,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:12:58" (2/3) ... [2018-10-24 18:13:04,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6ad139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:13:04, skipping insertion in model container [2018-10-24 18:13:04,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:13:04" (3/3) ... [2018-10-24 18:13:04,389 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label31_false-unreach-call.c [2018-10-24 18:13:04,397 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:13:04,406 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:13:04,423 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:13:04,465 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:13:04,465 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:13:04,466 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:13:04,466 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:13:04,466 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:13:04,466 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:13:04,466 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:13:04,467 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:13:04,497 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-24 18:13:04,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-24 18:13:04,504 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:13:04,506 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:13:04,508 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:13:04,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:13:04,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1380418692, now seen corresponding path program 1 times [2018-10-24 18:13:04,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:13:04,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:04,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:13:04,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:04,575 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:13:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:13:04,880 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 18:13:04,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:13:04,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:13:04,883 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:13:04,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:13:04,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:13:04,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:13:04,903 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-10-24 18:13:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:13:07,337 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-10-24 18:13:07,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:13:07,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-10-24 18:13:07,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:13:07,363 INFO L225 Difference]: With dead ends: 782 [2018-10-24 18:13:07,363 INFO L226 Difference]: Without dead ends: 487 [2018-10-24 18:13:07,372 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 18:13:07,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-10-24 18:13:07,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-10-24 18:13:07,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-10-24 18:13:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 843 transitions. [2018-10-24 18:13:07,472 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 843 transitions. Word has length 14 [2018-10-24 18:13:07,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:13:07,473 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 843 transitions. [2018-10-24 18:13:07,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:13:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 843 transitions. [2018-10-24 18:13:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-24 18:13:07,479 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:13:07,479 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:13:07,479 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:13:07,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:13:07,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1196080591, now seen corresponding path program 1 times [2018-10-24 18:13:07,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:13:07,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:07,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:13:07,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:07,482 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:13:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:13:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:13:08,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:13:08,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-24 18:13:08,105 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:13:08,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 18:13:08,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 18:13:08,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 18:13:08,108 INFO L87 Difference]: Start difference. First operand 482 states and 843 transitions. Second operand 7 states. [2018-10-24 18:13:14,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:13:14,459 INFO L93 Difference]: Finished difference Result 1756 states and 3231 transitions. [2018-10-24 18:13:14,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 18:13:14,461 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-10-24 18:13:14,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:13:14,478 INFO L225 Difference]: With dead ends: 1756 [2018-10-24 18:13:14,478 INFO L226 Difference]: Without dead ends: 1280 [2018-10-24 18:13:14,485 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-24 18:13:14,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2018-10-24 18:13:14,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1033. [2018-10-24 18:13:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-10-24 18:13:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1679 transitions. [2018-10-24 18:13:14,570 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1679 transitions. Word has length 89 [2018-10-24 18:13:14,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:13:14,571 INFO L481 AbstractCegarLoop]: Abstraction has 1033 states and 1679 transitions. [2018-10-24 18:13:14,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 18:13:14,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1679 transitions. [2018-10-24 18:13:14,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-24 18:13:14,579 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:13:14,579 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:13:14,580 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:13:14,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:13:14,580 INFO L82 PathProgramCache]: Analyzing trace with hash -669093568, now seen corresponding path program 1 times [2018-10-24 18:13:14,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:13:14,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:14,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:13:14,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:14,582 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:13:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:13:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 14 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 18:13:14,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:13:14,959 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:13:14,960 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-10-24 18:13:14,962 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [13], [15], [18], [26], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 18:13:15,030 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:13:15,031 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:13:17,162 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:13:17,453 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:13:17,455 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-10-24 18:13:17,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:13:17,468 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:13:19,618 INFO L232 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 72.96% of their original sizes. [2018-10-24 18:13:19,619 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:13:20,108 INFO L413 sIntCurrentIteration]: We have 161 unified AI predicates [2018-10-24 18:13:20,108 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:13:20,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:13:20,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 18:13:20,110 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:13:20,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 18:13:20,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 18:13:20,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 18:13:20,111 INFO L87 Difference]: Start difference. First operand 1033 states and 1679 transitions. Second operand 7 states. [2018-10-24 18:13:54,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:13:54,865 INFO L93 Difference]: Finished difference Result 2252 states and 3562 transitions. [2018-10-24 18:13:54,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:13:54,866 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2018-10-24 18:13:54,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:13:54,873 INFO L225 Difference]: With dead ends: 2252 [2018-10-24 18:13:54,873 INFO L226 Difference]: Without dead ends: 1225 [2018-10-24 18:13:54,877 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:13:54,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2018-10-24 18:13:54,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1223. [2018-10-24 18:13:54,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2018-10-24 18:13:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1877 transitions. [2018-10-24 18:13:54,916 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1877 transitions. Word has length 162 [2018-10-24 18:13:54,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:13:54,916 INFO L481 AbstractCegarLoop]: Abstraction has 1223 states and 1877 transitions. [2018-10-24 18:13:54,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 18:13:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1877 transitions. [2018-10-24 18:13:54,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-24 18:13:54,921 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:13:54,921 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-24 18:13:54,921 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:13:54,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:13:54,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1475705382, now seen corresponding path program 1 times [2018-10-24 18:13:54,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:13:54,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:54,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:13:54,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:13:54,923 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:13:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:13:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:13:55,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:13:55,445 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:13:55,445 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-10-24 18:13:55,446 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [13], [15], [18], [26], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [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], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 18:13:55,454 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:13:55,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:13:58,107 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:14:08,655 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:14:08,655 INFO L272 AbstractInterpreter]: Visited 125 different actions 363 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-24 18:14:08,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:14:08,666 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:14:11,656 INFO L232 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 73.52% of their original sizes. [2018-10-24 18:14:11,657 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:14:22,247 INFO L413 sIntCurrentIteration]: We have 205 unified AI predicates [2018-10-24 18:14:22,247 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:14:22,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:14:22,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [10] total 24 [2018-10-24 18:14:22,248 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:14:22,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-24 18:14:22,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-24 18:14:22,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2018-10-24 18:14:22,250 INFO L87 Difference]: Start difference. First operand 1223 states and 1877 transitions. Second operand 16 states. Received shutdown request... [2018-10-24 18:16:56,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-24 18:16:56,629 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:16:56,634 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:16:56,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:16:56 BoogieIcfgContainer [2018-10-24 18:16:56,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:16:56,636 INFO L168 Benchmark]: Toolchain (without parser) took 239326.28 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 2.0 GB in the end (delta: -532.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-24 18:16:56,638 INFO L168 Benchmark]: CDTParser took 0.21 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 18:16:56,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 990.25 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 18:16:56,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 293.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -851.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2018-10-24 18:16:56,640 INFO L168 Benchmark]: Boogie Preprocessor took 174.03 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 18:16:56,641 INFO L168 Benchmark]: RCFGBuilder took 5608.90 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: 197.2 MB). Peak memory consumption was 197.2 MB. Max. memory is 7.1 GB. [2018-10-24 18:16:56,642 INFO L168 Benchmark]: TraceAbstraction took 232254.27 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 68.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-24 18:16:56,647 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 990.25 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 293.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 759.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -851.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.03 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 5608.90 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: 197.2 MB). Peak memory consumption was 197.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232254.27 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 68.6 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: 27]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 27). Cancelled while BasicCegarLoop was constructing difference of abstraction (1223states) and FLOYD_HOARE automaton (currently 17 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (1203 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 232.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 198.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 738 SDtfs, 3013 SDslu, 702 SDs, 0 SdLazy, 5022 SolverSat, 854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 100.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 392 GetRequests, 352 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1223occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 15.7s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9944921502298555 AbsIntWeakeningRatio, 0.15300546448087432 AbsIntAvgWeakeningVarsNumRemoved, 635.6775956284152 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 254 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 467 ConstructedInterpolants, 0 QuantifiedInterpolants, 558869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 44/183 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown