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/Problem16_label47_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:01:28,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:01:28,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:01:28,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:01:28,510 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:01:28,511 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:01:28,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:01:28,514 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:01:28,516 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:01:28,517 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:01:28,518 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:01:28,518 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:01:28,519 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:01:28,520 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:01:28,521 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:01:28,522 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:01:28,523 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:01:28,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:01:28,527 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:01:28,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:01:28,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:01:28,533 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:01:28,538 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 22:01:28,555 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 22:01:28,582 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:01:28,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:01:28,583 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:01:28,584 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:01:28,584 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:01:28,584 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:01:28,584 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:01:28,584 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:01:28,585 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:01:28,587 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:01:28,587 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:01:28,588 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:01:28,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:01:28,588 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:01:28,589 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:01:28,589 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:01:28,589 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:01:28,589 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:01:28,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:01:28,590 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:01:28,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:01:28,592 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:01:28,592 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:01:28,592 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:01:28,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:01:28,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:01:28,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:01:28,593 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:01:28,593 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:01:28,593 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:01:28,593 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:01:28,593 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:01:28,594 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:01:28,594 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:01:28,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:01:28,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:01:28,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:01:28,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:01:28,669 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:01:28,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label47_true-unreach-call.c [2018-10-24 22:01:28,729 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/be5680729/e06a156537d746a7872b8e4ea0190afc/FLAG5a42ebb1a [2018-10-24 22:01:29,402 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:01:29,403 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label47_true-unreach-call.c [2018-10-24 22:01:29,425 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/be5680729/e06a156537d746a7872b8e4ea0190afc/FLAG5a42ebb1a [2018-10-24 22:01:29,444 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/be5680729/e06a156537d746a7872b8e4ea0190afc [2018-10-24 22:01:29,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:01:29,460 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:01:29,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:01:29,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:01:29,466 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:01:29,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:29" (1/1) ... [2018-10-24 22:01:29,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d53142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:29, skipping insertion in model container [2018-10-24 22:01:29,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:29" (1/1) ... [2018-10-24 22:01:29,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:01:29,582 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:01:30,367 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:01:30,374 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:01:30,634 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:01:30,657 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:01:30,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30 WrapperNode [2018-10-24 22:01:30,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:01:30,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:01:30,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:01:30,659 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:01:30,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (1/1) ... [2018-10-24 22:01:30,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (1/1) ... [2018-10-24 22:01:31,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:01:31,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:01:31,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:01:31,007 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:01:31,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (1/1) ... [2018-10-24 22:01:31,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (1/1) ... [2018-10-24 22:01:31,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (1/1) ... [2018-10-24 22:01:31,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (1/1) ... [2018-10-24 22:01:31,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (1/1) ... [2018-10-24 22:01:31,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (1/1) ... [2018-10-24 22:01:31,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (1/1) ... [2018-10-24 22:01:31,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:01:31,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:01:31,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:01:31,190 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:01:31,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (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 22:01:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:01:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:01:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 22:01:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 22:01:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:01:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:01:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:01:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:01:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:01:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:01:37,835 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:01:37,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:37 BoogieIcfgContainer [2018-10-24 22:01:37,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:01:37,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:01:37,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:01:37,842 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:01:37,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:01:29" (1/3) ... [2018-10-24 22:01:37,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11393f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:01:37, skipping insertion in model container [2018-10-24 22:01:37,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:30" (2/3) ... [2018-10-24 22:01:37,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11393f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:01:37, skipping insertion in model container [2018-10-24 22:01:37,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:37" (3/3) ... [2018-10-24 22:01:37,846 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label47_true-unreach-call.c [2018-10-24 22:01:37,856 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:01:37,866 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:01:37,884 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:01:37,926 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:01:37,926 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:01:37,926 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:01:37,926 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:01:37,926 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:01:37,927 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:01:37,927 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:01:37,927 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:01:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-10-24 22:01:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-24 22:01:37,972 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:01:37,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:01:37,977 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:01:37,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:01:37,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1865210036, now seen corresponding path program 1 times [2018-10-24 22:01:37,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:01:38,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:01:38,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:01:38,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:01:38,037 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:01:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:01:38,515 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:01:38,643 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 22:01:38,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:01:38,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 22:01:38,647 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:01:38,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 22:01:38,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 22:01:38,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:01:38,675 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-10-24 22:01:42,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:01:42,477 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-10-24 22:01:42,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 22:01:42,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2018-10-24 22:01:42,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:01:42,505 INFO L225 Difference]: With dead ends: 1156 [2018-10-24 22:01:42,506 INFO L226 Difference]: Without dead ends: 744 [2018-10-24 22:01:42,517 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:01:42,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-10-24 22:01:42,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-10-24 22:01:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-10-24 22:01:42,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-10-24 22:01:42,692 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 72 [2018-10-24 22:01:42,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:01:42,694 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-10-24 22:01:42,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 22:01:42,695 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-10-24 22:01:42,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-24 22:01:42,712 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:01:42,712 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, 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] [2018-10-24 22:01:42,713 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:01:42,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:01:42,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1724840118, now seen corresponding path program 1 times [2018-10-24 22:01:42,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:01:42,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:01:42,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:01:42,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:01:42,717 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:01:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:01:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:01:43,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:01:43,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 22:01:43,055 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:01:43,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 22:01:43,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 22:01:43,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 22:01:43,058 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-10-24 22:01:50,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:01:50,473 INFO L93 Difference]: Finished difference Result 2189 states and 4061 transitions. [2018-10-24 22:01:50,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:01:50,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-10-24 22:01:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:01:50,486 INFO L225 Difference]: With dead ends: 2189 [2018-10-24 22:01:50,486 INFO L226 Difference]: Without dead ends: 1451 [2018-10-24 22:01:50,490 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 22:01:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2018-10-24 22:01:50,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1441. [2018-10-24 22:01:50,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1441 states. [2018-10-24 22:01:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2402 transitions. [2018-10-24 22:01:50,551 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2402 transitions. Word has length 144 [2018-10-24 22:01:50,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:01:50,551 INFO L481 AbstractCegarLoop]: Abstraction has 1441 states and 2402 transitions. [2018-10-24 22:01:50,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 22:01:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2402 transitions. [2018-10-24 22:01:50,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-24 22:01:50,567 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:01:50,567 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, 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] [2018-10-24 22:01:50,567 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:01:50,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:01:50,568 INFO L82 PathProgramCache]: Analyzing trace with hash 952049591, now seen corresponding path program 1 times [2018-10-24 22:01:50,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:01:50,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:01:50,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:01:50,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:01:50,573 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:01:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:01:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 22:01:50,911 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:01:50,911 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:01:50,912 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-10-24 22:01:50,915 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [655], [657], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 22:01:50,983 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:01:50,983 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:01:53,142 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 22:01:53,234 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:01:53,236 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 22:01:53,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:01:53,243 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:01:54,773 INFO L232 lantSequenceWeakener]: Weakened 168 states. On average, predicates are now at 78.81% of their original sizes. [2018-10-24 22:01:54,773 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:01:55,140 INFO L413 sIntCurrentIteration]: We have 172 unified AI predicates [2018-10-24 22:01:55,141 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:01:55,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:01:55,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2018-10-24 22:01:55,142 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:01:55,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 22:01:55,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 22:01:55,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 22:01:55,144 INFO L87 Difference]: Start difference. First operand 1441 states and 2402 transitions. Second operand 7 states. [2018-10-24 22:02:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:02:50,034 INFO L93 Difference]: Finished difference Result 3216 states and 5295 transitions. [2018-10-24 22:02:50,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:02:50,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2018-10-24 22:02:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:02:50,045 INFO L225 Difference]: With dead ends: 3216 [2018-10-24 22:02:50,045 INFO L226 Difference]: Without dead ends: 1781 [2018-10-24 22:02:50,169 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 22:02:50,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2018-10-24 22:02:50,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1779. [2018-10-24 22:02:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2018-10-24 22:02:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2747 transitions. [2018-10-24 22:02:50,243 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2747 transitions. Word has length 173 [2018-10-24 22:02:50,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:02:50,243 INFO L481 AbstractCegarLoop]: Abstraction has 1779 states and 2747 transitions. [2018-10-24 22:02:50,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 22:02:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2747 transitions. [2018-10-24 22:02:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-24 22:02:50,252 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:02:50,252 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:02:50,254 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:02:50,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:02:50,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1632227467, now seen corresponding path program 1 times [2018-10-24 22:02:50,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:02:50,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:02:50,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:02:50,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:02:50,256 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:02:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:02:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 197 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:02:50,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:02:50,653 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:02:50,653 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-10-24 22:02:50,654 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [655], [657], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 22:02:50,659 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:02:50,660 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:02:51,766 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 22:02:58,445 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:02:58,445 INFO L272 AbstractInterpreter]: Visited 109 different actions 314 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 22:02:58,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:02:58,453 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:03:01,533 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 78.72% of their original sizes. [2018-10-24 22:03:01,534 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:03:13,408 INFO L413 sIntCurrentIteration]: We have 264 unified AI predicates [2018-10-24 22:03:13,409 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:03:13,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:03:13,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [7] total 25 [2018-10-24 22:03:13,409 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:03:13,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-24 22:03:13,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-24 22:03:13,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-10-24 22:03:13,411 INFO L87 Difference]: Start difference. First operand 1779 states and 2747 transitions. Second operand 20 states. Received shutdown request... [2018-10-24 22:05:30,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-24 22:05:30,181 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:05:30,186 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:05:30,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:05:30 BoogieIcfgContainer [2018-10-24 22:05:30,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:05:30,187 INFO L168 Benchmark]: Toolchain (without parser) took 240729.09 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 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-24 22:05:30,188 INFO L168 Benchmark]: CDTParser took 0.18 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 22:05:30,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1197.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2018-10-24 22:05:30,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 347.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -855.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-10-24 22:05:30,191 INFO L168 Benchmark]: Boogie Preprocessor took 183.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2018-10-24 22:05:30,192 INFO L168 Benchmark]: RCFGBuilder took 6645.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 250.7 MB). Peak memory consumption was 250.7 MB. Max. memory is 7.1 GB. [2018-10-24 22:05:30,193 INFO L168 Benchmark]: TraceAbstraction took 232349.25 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.8 GB in the end (delta: -921.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-24 22:05:30,198 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 1197.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 347.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -855.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6645.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 250.7 MB). Peak memory consumption was 250.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232349.25 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.8 GB in the end (delta: -921.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 202]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 202). Cancelled while BasicCegarLoop was constructing difference of abstraction (1779states) and FLOYD_HOARE automaton (currently 20 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (683 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 232.2s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 203.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 702 SDtfs, 4524 SDslu, 609 SDs, 0 SdLazy, 5636 SolverSat, 1401 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 86.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 462 GetRequests, 417 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1779occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.1s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9953712937109427 AbsIntWeakeningRatio, 0.10550458715596331 AbsIntAvgWeakeningVarsNumRemoved, 477.7133027522936 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 654 NumberOfCodeBlocks, 654 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 494365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 266/352 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown