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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:04:19,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:04:19,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:04:19,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:04:19,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:04:19,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:04:19,129 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:04:19,130 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:04:19,132 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:04:19,133 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:04:19,134 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:04:19,134 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:04:19,135 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:04:19,136 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:04:19,137 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:04:19,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:04:19,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:04:19,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:04:19,143 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:04:19,144 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:04:19,148 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:04:19,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:04:19,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-25 00:04:19,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-25 00:04:19,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-25 00:04:19,158 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-25 00:04:19,161 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-25 00:04:19,161 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-25 00:04:19,162 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-25 00:04:19,166 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-25 00:04:19,166 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-25 00:04:19,166 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-25 00:04:19,170 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 00:04:19,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:04:19,195 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:04:19,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:04:19,196 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:04:19,196 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:04:19,197 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:04:19,197 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:04:19,197 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:04:19,197 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:04:19,197 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:04:19,198 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:04:19,198 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:04:19,198 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:04:19,198 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:04:19,199 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:04:19,199 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:04:19,199 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:04:19,199 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:04:19,200 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:04:19,200 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:04:19,200 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:04:19,200 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:04:19,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:04:19,201 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:04:19,201 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:04:19,201 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:04:19,201 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:04:19,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:04:19,202 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:04:19,202 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:04:19,202 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:04:19,202 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:04:19,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:04:19,203 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:04:19,203 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:04:19,203 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:04:19,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:04:19,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:04:19,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:04:19,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:04:19,269 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:04:19,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-10-25 00:04:19,335 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/80686d4f7/ecd29352690a4dca8f17c0799933f72a/FLAG6fa303112 [2018-10-25 00:04:19,938 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:04:19,939 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-10-25 00:04:19,963 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/80686d4f7/ecd29352690a4dca8f17c0799933f72a/FLAG6fa303112 [2018-10-25 00:04:19,986 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/80686d4f7/ecd29352690a4dca8f17c0799933f72a [2018-10-25 00:04:19,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:04:20,000 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:04:20,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:04:20,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:04:20,005 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:04:20,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:04:19" (1/1) ... [2018-10-25 00:04:20,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d5e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20, skipping insertion in model container [2018-10-25 00:04:20,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:04:19" (1/1) ... [2018-10-25 00:04:20,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:04:20,083 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:04:20,488 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:04:20,494 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:04:20,589 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:04:20,620 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:04:20,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20 WrapperNode [2018-10-25 00:04:20,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:04:20,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:04:20,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:04:20,622 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:04:20,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (1/1) ... [2018-10-25 00:04:20,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (1/1) ... [2018-10-25 00:04:20,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:04:20,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:04:20,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:04:20,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:04:20,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (1/1) ... [2018-10-25 00:04:20,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (1/1) ... [2018-10-25 00:04:20,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (1/1) ... [2018-10-25 00:04:20,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (1/1) ... [2018-10-25 00:04:20,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (1/1) ... [2018-10-25 00:04:20,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (1/1) ... [2018-10-25 00:04:20,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (1/1) ... [2018-10-25 00:04:20,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:04:20,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:04:20,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:04:20,867 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:04:20,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (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 [2018-10-25 00:04:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:04:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:04:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:04:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:04:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:04:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:04:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:04:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:04:24,440 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:04:24,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:04:24 BoogieIcfgContainer [2018-10-25 00:04:24,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:04:24,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:04:24,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:04:24,452 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:04:24,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:04:19" (1/3) ... [2018-10-25 00:04:24,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:04:24, skipping insertion in model container [2018-10-25 00:04:24,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:20" (2/3) ... [2018-10-25 00:04:24,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:04:24, skipping insertion in model container [2018-10-25 00:04:24,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:04:24" (3/3) ... [2018-10-25 00:04:24,456 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-10-25 00:04:24,465 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:04:24,475 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:04:24,493 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:04:24,533 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:04:24,534 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:04:24,534 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:04:24,534 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:04:24,534 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:04:24,534 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:04:24,535 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:04:24,535 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:04:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:04:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-25 00:04:24,577 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:24,578 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:24,581 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:24,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:24,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1835137400, now seen corresponding path program 1 times [2018-10-25 00:04:24,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:24,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:24,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:24,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:24,648 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:04:25,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:04:25,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 00:04:25,388 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:25,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 00:04:25,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 00:04:25,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:04:25,415 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-10-25 00:04:28,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:28,418 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-10-25 00:04:28,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:04:28,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-10-25 00:04:28,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:28,444 INFO L225 Difference]: With dead ends: 788 [2018-10-25 00:04:28,444 INFO L226 Difference]: Without dead ends: 545 [2018-10-25 00:04:28,453 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:04:28,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-10-25 00:04:28,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-10-25 00:04:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-25 00:04:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-10-25 00:04:28,537 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 100 [2018-10-25 00:04:28,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:28,538 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-10-25 00:04:28,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 00:04:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-10-25 00:04:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-25 00:04:28,546 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:28,546 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:28,547 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:28,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:28,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1881867499, now seen corresponding path program 1 times [2018-10-25 00:04:28,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:28,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:28,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:28,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:28,549 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:04:28,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:04:28,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:04:28,753 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:28,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:04:28,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:04:28,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:04:28,756 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 3 states. [2018-10-25 00:04:29,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:29,822 INFO L93 Difference]: Finished difference Result 1060 states and 1817 transitions. [2018-10-25 00:04:29,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:04:29,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-10-25 00:04:29,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:29,830 INFO L225 Difference]: With dead ends: 1060 [2018-10-25 00:04:29,830 INFO L226 Difference]: Without dead ends: 683 [2018-10-25 00:04:29,837 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:04:29,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-10-25 00:04:29,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 678. [2018-10-25 00:04:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-10-25 00:04:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1078 transitions. [2018-10-25 00:04:29,877 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1078 transitions. Word has length 109 [2018-10-25 00:04:29,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:29,878 INFO L481 AbstractCegarLoop]: Abstraction has 678 states and 1078 transitions. [2018-10-25 00:04:29,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:04:29,878 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1078 transitions. [2018-10-25 00:04:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-25 00:04:29,886 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:29,887 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:29,888 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:29,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:29,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1492540793, now seen corresponding path program 1 times [2018-10-25 00:04:29,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:29,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:29,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:29,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:29,890 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:30,173 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:04:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:04:30,623 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:30,623 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:30,624 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-10-25 00:04:30,627 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:04:30,679 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:30,680 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:31,327 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:31,329 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:04:31,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:31,372 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:31,856 INFO L232 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 80.65% of their original sizes. [2018-10-25 00:04:31,864 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:32,218 INFO L413 sIntCurrentIteration]: We have 138 unified AI predicates [2018-10-25 00:04:32,222 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:32,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:32,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-25 00:04:32,223 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:32,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-25 00:04:32,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-25 00:04:32,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:04:32,225 INFO L87 Difference]: Start difference. First operand 678 states and 1078 transitions. Second operand 7 states. [2018-10-25 00:04:43,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:43,289 INFO L93 Difference]: Finished difference Result 1500 states and 2408 transitions. [2018-10-25 00:04:43,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:04:43,289 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2018-10-25 00:04:43,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:43,294 INFO L225 Difference]: With dead ends: 1500 [2018-10-25 00:04:43,295 INFO L226 Difference]: Without dead ends: 828 [2018-10-25 00:04:43,297 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:04:43,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-10-25 00:04:43,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 825. [2018-10-25 00:04:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-10-25 00:04:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1233 transitions. [2018-10-25 00:04:43,331 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1233 transitions. Word has length 139 [2018-10-25 00:04:43,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:43,331 INFO L481 AbstractCegarLoop]: Abstraction has 825 states and 1233 transitions. [2018-10-25 00:04:43,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-25 00:04:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1233 transitions. [2018-10-25 00:04:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-25 00:04:43,336 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:43,337 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:43,337 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:43,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:43,337 INFO L82 PathProgramCache]: Analyzing trace with hash -989712890, now seen corresponding path program 1 times [2018-10-25 00:04:43,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:43,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:43,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:43,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:43,339 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:04:43,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:43,581 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:43,582 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-10-25 00:04:43,582 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:04:43,588 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:43,588 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:44,194 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:44,194 INFO L272 AbstractInterpreter]: Visited 105 different actions 312 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:04:44,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:44,235 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:45,274 INFO L232 lantSequenceWeakener]: Weakened 6 states. On average, predicates are now at 82.87% of their original sizes. [2018-10-25 00:04:45,275 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:49,430 INFO L413 sIntCurrentIteration]: We have 148 unified AI predicates [2018-10-25 00:04:49,430 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:49,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:49,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2018-10-25 00:04:49,431 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:49,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:04:49,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:04:49,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:04:49,433 INFO L87 Difference]: Start difference. First operand 825 states and 1233 transitions. Second operand 12 states. [2018-10-25 00:05:06,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:06,955 INFO L93 Difference]: Finished difference Result 2894 states and 4402 transitions. [2018-10-25 00:05:06,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:05:06,955 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 149 [2018-10-25 00:05:06,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:06,966 INFO L225 Difference]: With dead ends: 2894 [2018-10-25 00:05:06,967 INFO L226 Difference]: Without dead ends: 2075 [2018-10-25 00:05:06,971 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 30 SyntacticMatches, 108 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:05:06,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2018-10-25 00:05:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 1925. [2018-10-25 00:05:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1925 states. [2018-10-25 00:05:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2593 transitions. [2018-10-25 00:05:07,034 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2593 transitions. Word has length 149 [2018-10-25 00:05:07,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:07,035 INFO L481 AbstractCegarLoop]: Abstraction has 1925 states and 2593 transitions. [2018-10-25 00:05:07,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:05:07,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2593 transitions. [2018-10-25 00:05:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-25 00:05:07,044 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:07,044 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:07,044 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:07,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:07,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1110345706, now seen corresponding path program 1 times [2018-10-25 00:05:07,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:07,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:07,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:07,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:07,046 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:07,322 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:05:07,621 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 106 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:05:07,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:07,622 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:07,622 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-10-25 00:05:07,623 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:07,638 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:07,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:07,905 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:05:07,905 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-25 00:05:07,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:07,943 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:05:08,418 INFO L232 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 80.68% of their original sizes. [2018-10-25 00:05:08,419 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:05:08,928 INFO L413 sIntCurrentIteration]: We have 203 unified AI predicates [2018-10-25 00:05:08,928 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:05:08,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:05:08,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-25 00:05:08,929 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:08,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 00:05:08,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 00:05:08,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:05:08,931 INFO L87 Difference]: Start difference. First operand 1925 states and 2593 transitions. Second operand 10 states. [2018-10-25 00:05:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:16,236 INFO L93 Difference]: Finished difference Result 4302 states and 5827 transitions. [2018-10-25 00:05:16,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-25 00:05:16,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2018-10-25 00:05:16,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:16,249 INFO L225 Difference]: With dead ends: 4302 [2018-10-25 00:05:16,249 INFO L226 Difference]: Without dead ends: 2527 [2018-10-25 00:05:16,256 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-10-25 00:05:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2527 states. [2018-10-25 00:05:16,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2527 to 2523. [2018-10-25 00:05:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2523 states. [2018-10-25 00:05:16,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3281 transitions. [2018-10-25 00:05:16,333 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3281 transitions. Word has length 204 [2018-10-25 00:05:16,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:16,333 INFO L481 AbstractCegarLoop]: Abstraction has 2523 states and 3281 transitions. [2018-10-25 00:05:16,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 00:05:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3281 transitions. [2018-10-25 00:05:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-25 00:05:16,343 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:16,343 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:16,344 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:16,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:16,344 INFO L82 PathProgramCache]: Analyzing trace with hash -345059058, now seen corresponding path program 1 times [2018-10-25 00:05:16,344 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:16,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:16,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:16,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:16,346 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:05:16,572 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:16,572 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:16,572 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-10-25 00:05:16,573 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:16,576 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:16,576 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:17,311 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:05:17,312 INFO L272 AbstractInterpreter]: Visited 108 different actions 317 times. Merged at 8 different actions 21 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:05:17,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:17,324 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:05:17,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:17,325 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:05:17,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:17,333 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:05:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:17,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:05:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:05:17,875 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:05:18,134 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:05:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:05:18,837 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:05:18,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-25 00:05:18,837 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:05:18,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:05:18,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:05:18,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:05:18,839 INFO L87 Difference]: Start difference. First operand 2523 states and 3281 transitions. Second operand 9 states. [2018-10-25 00:05:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:24,403 INFO L93 Difference]: Finished difference Result 7525 states and 10660 transitions. [2018-10-25 00:05:24,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-25 00:05:24,403 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2018-10-25 00:05:24,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:24,419 INFO L225 Difference]: With dead ends: 7525 [2018-10-25 00:05:24,420 INFO L226 Difference]: Without dead ends: 3200 [2018-10-25 00:05:24,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 425 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-10-25 00:05:24,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2018-10-25 00:05:24,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 3054. [2018-10-25 00:05:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3054 states. [2018-10-25 00:05:24,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 3553 transitions. [2018-10-25 00:05:24,540 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 3553 transitions. Word has length 208 [2018-10-25 00:05:24,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:24,540 INFO L481 AbstractCegarLoop]: Abstraction has 3054 states and 3553 transitions. [2018-10-25 00:05:24,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:05:24,540 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3553 transitions. [2018-10-25 00:05:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-25 00:05:24,549 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:24,550 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-25 00:05:24,550 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:24,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:24,551 INFO L82 PathProgramCache]: Analyzing trace with hash 591052778, now seen corresponding path program 1 times [2018-10-25 00:05:24,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:24,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:24,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:24,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:24,552 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 117 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:05:25,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:25,277 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:25,278 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-10-25 00:05:25,278 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:25,282 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:25,283 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:26,221 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:05:26,221 INFO L272 AbstractInterpreter]: Visited 108 different actions 427 times. Merged at 8 different actions 35 times. Widened at 1 different actions 2 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:05:26,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:26,258 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:05:26,259 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:26,259 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-25 00:05:26,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:26,274 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:05:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:26,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:05:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-25 00:05:26,938 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:05:27,146 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:05:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 128 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-25 00:05:27,681 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:05:27,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-10-25 00:05:27,682 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:05:27,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-25 00:05:27,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-25 00:05:27,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:05:27,683 INFO L87 Difference]: Start difference. First operand 3054 states and 3553 transitions. Second operand 13 states. [2018-10-25 00:05:30,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:30,694 INFO L93 Difference]: Finished difference Result 5597 states and 6693 transitions. [2018-10-25 00:05:30,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-25 00:05:30,695 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 222 [2018-10-25 00:05:30,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:30,695 INFO L225 Difference]: With dead ends: 5597 [2018-10-25 00:05:30,695 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:05:30,710 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 459 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=394, Invalid=1012, Unknown=0, NotChecked=0, Total=1406 [2018-10-25 00:05:30,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:05:30,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:05:30,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:05:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:05:30,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2018-10-25 00:05:30,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:30,712 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:05:30,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-25 00:05:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:05:30,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:05:30,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:05:30,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:31,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:31,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:31,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:31,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:31,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:31,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:32,116 WARN L179 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2018-10-25 00:05:33,294 WARN L179 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2018-10-25 00:05:35,245 WARN L179 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 258 DAG size of output: 75 [2018-10-25 00:05:35,884 WARN L179 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 94 [2018-10-25 00:05:36,336 WARN L179 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 94 [2018-10-25 00:05:36,339 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:05:36,340 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-10-25 00:05:36,340 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:05:36,340 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,340 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,340 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,340 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,340 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,341 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:05:36,341 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:05:36,341 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:05:36,342 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:05:36,342 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:05:36,342 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,343 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:05:36,344 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:05:36,345 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:05:36,345 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:05:36,345 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:05:36,345 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:05:36,345 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,345 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,345 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,345 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,345 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,346 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:05:36,346 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:05:36,346 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:05:36,346 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:05:36,346 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:05:36,346 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:05:36,346 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:05:36,346 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:05:36,346 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:05:36,347 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:05:36,347 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:05:36,347 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,347 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,347 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:05:36,348 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,349 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:05:36,350 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:05:36,351 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:05:36,352 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:05:36,353 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,354 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:05:36,355 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,356 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,356 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,356 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse14 (not (= 1 ~a21~0))) (.cse15 (not (= 1 |old(~a19~0)|))) (.cse16 (= 0 |old(~a28~0)|)) (.cse17 (not (= 8 |old(~a17~0)|))) (.cse13 (= 1 |old(~a11~0)|))) (let ((.cse11 (< 7 |old(~a17~0)|)) (.cse12 (= |old(~a11~0)| |old(~a19~0)|)) (.cse10 (<= ~a17~0 |old(~a17~0)|)) (.cse5 (= |old(~a17~0)| ~a17~0)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse8 (< 8 |old(~a17~0)|)) (.cse1 (= 8 |old(~a28~0)|)) (.cse9 (not .cse13)) (.cse4 (= 1 ~a11~0)) (.cse0 (and (not (= ~a28~0 0)) (= ~a17~0 8) (= ~a19~0 1) (= ~a21~0 1))) (.cse3 (not (= 1 |old(~a25~0)|))) (.cse6 (= 1 ~a25~0)) (.cse2 (or .cse14 .cse15 .cse16 .cse17))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and .cse4 .cse5 .cse6 .cse7) .cse1 .cse8 .cse9) (or .cse3 .cse0 .cse2) (or .cse3 (and .cse10 .cse4 .cse6) .cse9 .cse11) (or .cse12 .cse3 .cse6 .cse9) (or .cse1 (and .cse4 .cse5 .cse7) .cse9 .cse11) (or .cse12 .cse9 (and .cse10 .cse4 (not (= 1 ~a19~0)))) (or .cse13 .cse8 (and (= ~a11~0 |old(~a11~0)|) .cse5 .cse7)) (or .cse6 .cse8 (or .cse13 .cse3)) (or (or .cse14 .cse15 .cse16 (not (= 0 |old(~a11~0)|)) .cse17 (= |calculate_output_#in~input| 0) (not (= 0 |old(~a25~0)|))) (= ~a25~0 0) .cse1) (or .cse2 .cse9 (and .cse4 .cse0)) (or .cse3 .cse6 .cse2)))) [2018-10-25 00:05:36,356 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,356 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,356 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:05:36,357 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:05:36,358 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,359 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:05:36,360 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:05:36,361 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:05:36,361 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:05:36,361 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:05:36,361 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:05:36,361 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:05:36,361 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:05:36,361 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:05:36,361 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-10-25 00:05:36,361 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:05:36,361 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:05:36,362 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (= ~a25~0 0) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:05:36,362 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:05:36,362 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (<= ~a17~0 8)) (.cse0 (= 1 ~a11~0)) (.cse3 (<= ~a17~0 7))) (or (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse2) (and .cse3 .cse1) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse0 (and (not (= ~a28~0 0)) (= ~a17~0 8))) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and .cse3 (not (= ~a28~0 8))) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-10-25 00:05:36,362 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:05:36,362 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:05:36,362 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (<= ~a17~0 8)) (.cse0 (= 1 ~a11~0)) (.cse3 (<= ~a17~0 7))) (or (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse2) (and .cse3 .cse1) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse0 (and (not (= ~a28~0 0)) (= ~a17~0 8))) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and .cse3 (not (= ~a28~0 8))) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-10-25 00:05:36,362 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:05:36,362 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:05:36,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:05:36 BoogieIcfgContainer [2018-10-25 00:05:36,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:05:36,377 INFO L168 Benchmark]: Toolchain (without parser) took 76378.56 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-25 00:05:36,378 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. [2018-10-25 00:05:36,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.36 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:36,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:36,380 INFO L168 Benchmark]: Boogie Preprocessor took 67.94 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. [2018-10-25 00:05:36,381 INFO L168 Benchmark]: RCFGBuilder took 3574.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.5 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:36,382 INFO L168 Benchmark]: TraceAbstraction took 71928.27 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-25 00:05:36,386 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 620.36 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 175.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.94 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 3574.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.5 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 71928.27 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19))) || (a11 == \old(a11) && a17 <= 8)) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || !(a21 == 1)) || !(y == 25)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(21 == u)) || !(22 == v)) || (1 == a11 && !(a28 == 0) && a17 == 8)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || (a17 <= 7 && !(a28 == 8))) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 71.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 48.7s AutomataDifference, 0.0s DeadEndRemovalTime, 5.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1419 SDtfs, 7496 SDslu, 1629 SDs, 0 SdLazy, 12593 SolverSat, 2185 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1461 GetRequests, 1247 SyntacticMatches, 113 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3054occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9967383014297493 AbsIntWeakeningRatio, 0.2392638036809816 AbsIntAvgWeakeningVarsNumRemoved, 7.9427402862985685 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 470 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 96 PreInvPairs, 170 NumberOfFragments, 727 HoareAnnotationTreeSize, 96 FomulaSimplifications, 8633 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7268 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1561 NumberOfCodeBlocks, 1561 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1980 ConstructedInterpolants, 0 QuantifiedInterpolants, 844539 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1036 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1085/1224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...