java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label23_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 18:31:32,541 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 18:31:32,545 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 18:31:32,559 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 18:31:32,560 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 18:31:32,561 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 18:31:32,562 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 18:31:32,564 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 18:31:32,566 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 18:31:32,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 18:31:32,568 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 18:31:32,568 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 18:31:32,569 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 18:31:32,570 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 18:31:32,571 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 18:31:32,572 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 18:31:32,573 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 18:31:32,575 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 18:31:32,577 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 18:31:32,579 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 18:31:32,580 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 18:31:32,581 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 18:31:32,584 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 18:31:32,585 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 18:31:32,585 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 18:31:32,586 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 18:31:32,587 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 18:31:32,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 18:31:32,589 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 18:31:32,590 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 18:31:32,590 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 18:31:32,591 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 18:31:32,591 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 18:31:32,592 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 18:31:32,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 18:31:32,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 18:31:32,594 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 18:31:32,611 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 18:31:32,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 18:31:32,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 18:31:32,613 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 18:31:32,613 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 18:31:32,613 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 18:31:32,613 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 18:31:32,614 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 18:31:32,614 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 18:31:32,614 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 18:31:32,614 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 18:31:32,614 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 18:31:32,615 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 18:31:32,615 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 18:31:32,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 18:31:32,616 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 18:31:32,616 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 18:31:32,616 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 18:31:32,616 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 18:31:32,616 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 18:31:32,617 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 18:31:32,617 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 18:31:32,617 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 18:31:32,617 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 18:31:32,617 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 18:31:32,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:31:32,618 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 18:31:32,618 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 18:31:32,618 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 18:31:32,618 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 18:31:32,619 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 18:31:32,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 18:31:32,619 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 18:31:32,619 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 18:31:32,619 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 18:31:32,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 18:31:32,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 18:31:32,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 18:31:32,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 18:31:32,692 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 18:31:32,693 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-12 18:31:32,765 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe44e39b/79c1194ab42b4493aae8b9ba63b38f61/FLAG13d4ca978 [2018-11-12 18:31:33,407 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 18:31:33,413 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-12 18:31:33,435 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe44e39b/79c1194ab42b4493aae8b9ba63b38f61/FLAG13d4ca978 [2018-11-12 18:31:33,458 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe44e39b/79c1194ab42b4493aae8b9ba63b38f61 [2018-11-12 18:31:33,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 18:31:33,476 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 18:31:33,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 18:31:33,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 18:31:33,482 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 18:31:33,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:31:33" (1/1) ... [2018-11-12 18:31:33,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c95ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:33, skipping insertion in model container [2018-11-12 18:31:33,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:31:33" (1/1) ... [2018-11-12 18:31:33,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 18:31:33,553 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 18:31:34,032 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:31:34,037 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 18:31:34,154 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:31:34,171 INFO L193 MainTranslator]: Completed translation [2018-11-12 18:31:34,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34 WrapperNode [2018-11-12 18:31:34,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 18:31:34,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 18:31:34,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 18:31:34,173 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 18:31:34,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... [2018-11-12 18:31:34,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... [2018-11-12 18:31:34,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 18:31:34,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 18:31:34,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 18:31:34,300 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 18:31:34,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... [2018-11-12 18:31:34,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... [2018-11-12 18:31:34,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... [2018-11-12 18:31:34,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... [2018-11-12 18:31:34,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... [2018-11-12 18:31:34,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... [2018-11-12 18:31:34,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... [2018-11-12 18:31:34,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 18:31:34,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 18:31:34,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 18:31:34,414 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 18:31:34,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-12 18:31:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 18:31:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 18:31:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 18:31:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 18:31:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 18:31:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 18:31:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 18:31:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 18:31:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 18:31:37,846 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 18:31:37,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:31:37 BoogieIcfgContainer [2018-11-12 18:31:37,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 18:31:37,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 18:31:37,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 18:31:37,852 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 18:31:37,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:31:33" (1/3) ... [2018-11-12 18:31:37,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3643cc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:31:37, skipping insertion in model container [2018-11-12 18:31:37,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:31:34" (2/3) ... [2018-11-12 18:31:37,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3643cc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:31:37, skipping insertion in model container [2018-11-12 18:31:37,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:31:37" (3/3) ... [2018-11-12 18:31:37,856 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23_true-unreach-call.c [2018-11-12 18:31:37,866 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 18:31:37,875 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 18:31:37,891 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 18:31:37,929 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 18:31:37,930 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 18:31:37,930 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 18:31:37,930 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 18:31:37,930 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 18:31:37,930 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 18:31:37,931 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 18:31:37,931 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 18:31:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-12 18:31:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-12 18:31:37,969 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:37,970 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] [2018-11-12 18:31:37,973 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:37,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:37,981 INFO L82 PathProgramCache]: Analyzing trace with hash 508483465, now seen corresponding path program 1 times [2018-11-12 18:31:37,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:38,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:38,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:38,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:38,035 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:31:38,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:31:38,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 18:31:38,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:31:38,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:31:38,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:31:38,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:31:38,508 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-12 18:31:40,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:31:40,557 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-12 18:31:40,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:31:40,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-12 18:31:40,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:31:40,578 INFO L225 Difference]: With dead ends: 574 [2018-11-12 18:31:40,578 INFO L226 Difference]: Without dead ends: 356 [2018-11-12 18:31:40,586 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:31:40,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-12 18:31:40,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-12 18:31:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-12 18:31:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-12 18:31:40,663 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 53 [2018-11-12 18:31:40,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:31:40,664 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-12 18:31:40,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 18:31:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-12 18:31:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-12 18:31:40,679 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:40,679 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:31:40,680 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:40,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:40,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1327667053, now seen corresponding path program 1 times [2018-11-12 18:31:40,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:40,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:40,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:40,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:40,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:40,962 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:31:40,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:31:40,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 18:31:40,963 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:31:40,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 18:31:40,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 18:31:40,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 18:31:40,966 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-12 18:31:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:31:43,457 INFO L93 Difference]: Finished difference Result 1289 states and 2315 transitions. [2018-11-12 18:31:43,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 18:31:43,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-11-12 18:31:43,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:31:43,467 INFO L225 Difference]: With dead ends: 1289 [2018-11-12 18:31:43,467 INFO L226 Difference]: Without dead ends: 939 [2018-11-12 18:31:43,472 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:31:43,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-11-12 18:31:43,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 926. [2018-11-12 18:31:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-12 18:31:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1444 transitions. [2018-11-12 18:31:43,554 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1444 transitions. Word has length 136 [2018-11-12 18:31:43,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:31:43,555 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1444 transitions. [2018-11-12 18:31:43,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 18:31:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1444 transitions. [2018-11-12 18:31:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-12 18:31:43,574 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:43,574 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:31:43,574 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:43,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:43,575 INFO L82 PathProgramCache]: Analyzing trace with hash -734844493, now seen corresponding path program 1 times [2018-11-12 18:31:43,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:43,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:43,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:43,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:43,578 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:31:43,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:31:43,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 18:31:43,886 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:31:43,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 18:31:43,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 18:31:43,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 18:31:43,888 INFO L87 Difference]: Start difference. First operand 926 states and 1444 transitions. Second operand 6 states. [2018-11-12 18:31:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:31:47,550 INFO L93 Difference]: Finished difference Result 2537 states and 4091 transitions. [2018-11-12 18:31:47,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:31:47,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-11-12 18:31:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:31:47,562 INFO L225 Difference]: With dead ends: 2537 [2018-11-12 18:31:47,563 INFO L226 Difference]: Without dead ends: 1617 [2018-11-12 18:31:47,571 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 18:31:47,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2018-11-12 18:31:47,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1586. [2018-11-12 18:31:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2018-11-12 18:31:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2321 transitions. [2018-11-12 18:31:47,627 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2321 transitions. Word has length 152 [2018-11-12 18:31:47,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:31:47,628 INFO L480 AbstractCegarLoop]: Abstraction has 1586 states and 2321 transitions. [2018-11-12 18:31:47,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 18:31:47,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2321 transitions. [2018-11-12 18:31:47,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-12 18:31:47,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:47,634 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:31:47,634 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:47,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:47,635 INFO L82 PathProgramCache]: Analyzing trace with hash -829584541, now seen corresponding path program 1 times [2018-11-12 18:31:47,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:47,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:47,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:47,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:47,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:31:48,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:31:48,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 18:31:48,005 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:31:48,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 18:31:48,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 18:31:48,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 18:31:48,007 INFO L87 Difference]: Start difference. First operand 1586 states and 2321 transitions. Second operand 6 states. [2018-11-12 18:31:49,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:31:49,392 INFO L93 Difference]: Finished difference Result 3508 states and 5326 transitions. [2018-11-12 18:31:49,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:31:49,393 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-11-12 18:31:49,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:31:49,407 INFO L225 Difference]: With dead ends: 3508 [2018-11-12 18:31:49,407 INFO L226 Difference]: Without dead ends: 1928 [2018-11-12 18:31:49,414 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 18:31:49,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2018-11-12 18:31:49,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1887. [2018-11-12 18:31:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2018-11-12 18:31:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2679 transitions. [2018-11-12 18:31:49,477 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2679 transitions. Word has length 176 [2018-11-12 18:31:49,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:31:49,478 INFO L480 AbstractCegarLoop]: Abstraction has 1887 states and 2679 transitions. [2018-11-12 18:31:49,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 18:31:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2679 transitions. [2018-11-12 18:31:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-12 18:31:49,487 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:31:49,487 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2018-11-12 18:31:49,487 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:31:49,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:49,488 INFO L82 PathProgramCache]: Analyzing trace with hash -642267359, now seen corresponding path program 1 times [2018-11-12 18:31:49,488 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:31:49,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:49,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:31:49,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:31:49,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:31:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:31:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:31:50,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:31:50,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:31:50,056 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-11-12 18:31:50,059 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:31:50,112 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:31:50,112 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:31:50,567 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:31:51,229 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:31:51,230 INFO L272 AbstractInterpreter]: Visited 91 different actions 260 times. Merged at 5 different actions 9 times. Never widened. Performed 2750 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2750 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 18:31:51,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:31:51,276 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:31:51,962 INFO L227 lantSequenceWeakener]: Weakened 54 states. On average, predicates are now at 76.39% of their original sizes. [2018-11-12 18:31:51,963 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:31:52,918 INFO L415 sIntCurrentIteration]: We unified 206 AI predicates to 206 [2018-11-12 18:31:52,918 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:31:52,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:31:52,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-11-12 18:31:52,920 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:31:52,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-12 18:31:52,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-12 18:31:52,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-11-12 18:31:52,922 INFO L87 Difference]: Start difference. First operand 1887 states and 2679 transitions. Second operand 21 states. [2018-11-12 18:32:30,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:32:30,840 INFO L93 Difference]: Finished difference Result 4590 states and 6628 transitions. [2018-11-12 18:32:30,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-12 18:32:30,841 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 207 [2018-11-12 18:32:30,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:32:30,859 INFO L225 Difference]: With dead ends: 4590 [2018-11-12 18:32:30,860 INFO L226 Difference]: Without dead ends: 2709 [2018-11-12 18:32:30,871 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=279, Invalid=1203, Unknown=0, NotChecked=0, Total=1482 [2018-11-12 18:32:30,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2709 states. [2018-11-12 18:32:31,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2709 to 2480. [2018-11-12 18:32:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2480 states. [2018-11-12 18:32:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 3329 transitions. [2018-11-12 18:32:31,404 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 3329 transitions. Word has length 207 [2018-11-12 18:32:31,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:32:31,406 INFO L480 AbstractCegarLoop]: Abstraction has 2480 states and 3329 transitions. [2018-11-12 18:32:31,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-12 18:32:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 3329 transitions. [2018-11-12 18:32:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-12 18:32:31,413 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:32:31,413 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 18:32:31,413 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:32:31,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:32:31,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1805277256, now seen corresponding path program 1 times [2018-11-12 18:32:31,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:32:31,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:32:31,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:32:31,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:32:31,416 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:32:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:32:31,862 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-12 18:32:32,053 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 18:32:32,496 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-12 18:32:32,886 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-12 18:32:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:32:33,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:32:33,101 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:32:33,101 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-11-12 18:32:33,102 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:32:33,107 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:32:33,107 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:32:33,201 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:32:33,592 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:32:33,593 INFO L272 AbstractInterpreter]: Visited 91 different actions 516 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Performed 5931 root evaluator evaluations with a maximum evaluation depth of 6. Performed 5931 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 18:32:33,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:32:33,628 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:32:33,925 INFO L227 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 73.41% of their original sizes. [2018-11-12 18:32:33,926 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:32:34,104 INFO L415 sIntCurrentIteration]: We unified 215 AI predicates to 215 [2018-11-12 18:32:34,105 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:32:34,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:32:34,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-11-12 18:32:34,105 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:32:34,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-12 18:32:34,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-12 18:32:34,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-12 18:32:34,107 INFO L87 Difference]: Start difference. First operand 2480 states and 3329 transitions. Second operand 10 states. [2018-11-12 18:32:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:32:43,739 INFO L93 Difference]: Finished difference Result 5749 states and 8014 transitions. [2018-11-12 18:32:43,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-12 18:32:43,740 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2018-11-12 18:32:43,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:32:43,757 INFO L225 Difference]: With dead ends: 5749 [2018-11-12 18:32:43,757 INFO L226 Difference]: Without dead ends: 3571 [2018-11-12 18:32:43,770 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 223 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-12 18:32:43,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3571 states. [2018-11-12 18:32:43,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3571 to 3549. [2018-11-12 18:32:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3549 states. [2018-11-12 18:32:43,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 4673 transitions. [2018-11-12 18:32:43,862 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 4673 transitions. Word has length 216 [2018-11-12 18:32:43,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:32:43,862 INFO L480 AbstractCegarLoop]: Abstraction has 3549 states and 4673 transitions. [2018-11-12 18:32:43,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-12 18:32:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4673 transitions. [2018-11-12 18:32:43,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-12 18:32:43,873 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:32:43,874 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-12 18:32:43,874 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:32:43,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:32:43,875 INFO L82 PathProgramCache]: Analyzing trace with hash 679510080, now seen corresponding path program 1 times [2018-11-12 18:32:43,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:32:43,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:32:43,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:32:43,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:32:43,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:32:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:32:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 173 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:32:44,407 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:32:44,407 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:32:44,407 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 253 with the following transitions: [2018-11-12 18:32:44,408 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:32:44,413 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:32:44,413 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:32:44,566 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:32:44,721 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:32:44,721 INFO L272 AbstractInterpreter]: Visited 124 different actions 244 times. Merged at 5 different actions 7 times. Never widened. Performed 3598 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3598 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 18:32:44,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:32:44,758 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:32:45,173 INFO L227 lantSequenceWeakener]: Weakened 64 states. On average, predicates are now at 77.53% of their original sizes. [2018-11-12 18:32:45,173 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:32:45,809 INFO L415 sIntCurrentIteration]: We unified 251 AI predicates to 251 [2018-11-12 18:32:45,809 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:32:45,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:32:45,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [6] total 27 [2018-11-12 18:32:45,810 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:32:45,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-12 18:32:45,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-12 18:32:45,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-11-12 18:32:45,812 INFO L87 Difference]: Start difference. First operand 3549 states and 4673 transitions. Second operand 23 states. [2018-11-12 18:33:04,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:33:04,864 INFO L93 Difference]: Finished difference Result 8505 states and 11641 transitions. [2018-11-12 18:33:04,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-12 18:33:04,864 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 252 [2018-11-12 18:33:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:33:04,889 INFO L225 Difference]: With dead ends: 8505 [2018-11-12 18:33:04,890 INFO L226 Difference]: Without dead ends: 5258 [2018-11-12 18:33:04,905 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 276 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=417, Invalid=1839, Unknown=0, NotChecked=0, Total=2256 [2018-11-12 18:33:04,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5258 states. [2018-11-12 18:33:05,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5258 to 4979. [2018-11-12 18:33:05,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4979 states. [2018-11-12 18:33:05,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4979 states to 4979 states and 6415 transitions. [2018-11-12 18:33:05,036 INFO L78 Accepts]: Start accepts. Automaton has 4979 states and 6415 transitions. Word has length 252 [2018-11-12 18:33:05,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:33:05,037 INFO L480 AbstractCegarLoop]: Abstraction has 4979 states and 6415 transitions. [2018-11-12 18:33:05,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-12 18:33:05,037 INFO L276 IsEmpty]: Start isEmpty. Operand 4979 states and 6415 transitions. [2018-11-12 18:33:05,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-12 18:33:05,054 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:33:05,055 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:33:05,055 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:33:05,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:33:05,055 INFO L82 PathProgramCache]: Analyzing trace with hash 484447336, now seen corresponding path program 1 times [2018-11-12 18:33:05,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:33:05,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:33:05,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:33:05,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:33:05,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:33:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:33:05,483 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-12 18:33:05,652 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 18:33:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 214 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-12 18:33:05,930 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:33:05,930 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:33:05,930 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-11-12 18:33:05,930 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:33:05,934 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:33:05,934 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:33:05,999 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:33:06,299 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:33:06,299 INFO L272 AbstractInterpreter]: Visited 92 different actions 535 times. Merged at 7 different actions 38 times. Widened at 1 different actions 1 times. Performed 6121 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6121 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-12 18:33:06,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:33:06,303 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:33:06,557 INFO L227 lantSequenceWeakener]: Weakened 286 states. On average, predicates are now at 73.26% of their original sizes. [2018-11-12 18:33:06,557 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:33:06,642 INFO L415 sIntCurrentIteration]: We unified 288 AI predicates to 288 [2018-11-12 18:33:06,643 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:33:06,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:33:06,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-12 18:33:06,643 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:33:06,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-12 18:33:06,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-12 18:33:06,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-12 18:33:06,645 INFO L87 Difference]: Start difference. First operand 4979 states and 6415 transitions. Second operand 10 states. [2018-11-12 18:33:14,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:33:14,773 INFO L93 Difference]: Finished difference Result 11127 states and 14627 transitions. [2018-11-12 18:33:14,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-12 18:33:14,773 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 289 [2018-11-12 18:33:14,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:33:14,801 INFO L225 Difference]: With dead ends: 11127 [2018-11-12 18:33:14,802 INFO L226 Difference]: Without dead ends: 6748 [2018-11-12 18:33:14,818 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 296 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-12 18:33:14,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6748 states. [2018-11-12 18:33:14,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6748 to 6697. [2018-11-12 18:33:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6697 states. [2018-11-12 18:33:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6697 states to 6697 states and 8498 transitions. [2018-11-12 18:33:14,981 INFO L78 Accepts]: Start accepts. Automaton has 6697 states and 8498 transitions. Word has length 289 [2018-11-12 18:33:14,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:33:14,982 INFO L480 AbstractCegarLoop]: Abstraction has 6697 states and 8498 transitions. [2018-11-12 18:33:14,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-12 18:33:14,982 INFO L276 IsEmpty]: Start isEmpty. Operand 6697 states and 8498 transitions. [2018-11-12 18:33:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-12 18:33:15,002 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:33:15,003 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:33:15,003 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:33:15,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:33:15,003 INFO L82 PathProgramCache]: Analyzing trace with hash 66252833, now seen corresponding path program 1 times [2018-11-12 18:33:15,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:33:15,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:33:15,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:33:15,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:33:15,005 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:33:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:33:15,295 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:33:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 144 proven. 154 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-12 18:33:15,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:33:15,478 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:33:15,478 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 295 with the following transitions: [2018-11-12 18:33:15,478 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [534], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:33:15,481 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:33:15,481 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:33:15,520 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:33:15,708 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:33:15,708 INFO L272 AbstractInterpreter]: Visited 92 different actions 269 times. Merged at 7 different actions 15 times. Never widened. Performed 2706 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2706 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-12 18:33:15,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:33:15,746 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:33:16,586 INFO L227 lantSequenceWeakener]: Weakened 291 states. On average, predicates are now at 75.52% of their original sizes. [2018-11-12 18:33:16,586 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:33:16,684 INFO L415 sIntCurrentIteration]: We unified 293 AI predicates to 293 [2018-11-12 18:33:16,684 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:33:16,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:33:16,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-11-12 18:33:16,685 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:33:16,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 18:33:16,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 18:33:16,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 18:33:16,686 INFO L87 Difference]: Start difference. First operand 6697 states and 8498 transitions. Second operand 11 states. [2018-11-12 18:33:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:33:26,994 INFO L93 Difference]: Finished difference Result 18940 states and 24767 transitions. [2018-11-12 18:33:26,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-12 18:33:26,994 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 294 [2018-11-12 18:33:26,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:33:27,038 INFO L225 Difference]: With dead ends: 18940 [2018-11-12 18:33:27,039 INFO L226 Difference]: Without dead ends: 12843 [2018-11-12 18:33:27,064 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 305 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-12 18:33:27,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12843 states. [2018-11-12 18:33:27,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12843 to 12254. [2018-11-12 18:33:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12254 states. [2018-11-12 18:33:27,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12254 states to 12254 states and 15445 transitions. [2018-11-12 18:33:27,325 INFO L78 Accepts]: Start accepts. Automaton has 12254 states and 15445 transitions. Word has length 294 [2018-11-12 18:33:27,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:33:27,326 INFO L480 AbstractCegarLoop]: Abstraction has 12254 states and 15445 transitions. [2018-11-12 18:33:27,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 18:33:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 12254 states and 15445 transitions. [2018-11-12 18:33:27,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-12 18:33:27,354 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:33:27,354 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:33:27,354 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:33:27,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:33:27,355 INFO L82 PathProgramCache]: Analyzing trace with hash 414293357, now seen corresponding path program 1 times [2018-11-12 18:33:27,355 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:33:27,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:33:27,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:33:27,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:33:27,356 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:33:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:33:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 144 proven. 159 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-12 18:33:27,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:33:27,681 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:33:27,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 305 with the following transitions: [2018-11-12 18:33:27,681 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:33:27,684 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:33:27,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:33:27,743 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:33:28,063 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:33:28,063 INFO L272 AbstractInterpreter]: Visited 98 different actions 479 times. Merged at 8 different actions 37 times. Widened at 1 different actions 1 times. Performed 5621 root evaluator evaluations with a maximum evaluation depth of 6. Performed 5621 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-12 18:33:28,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:33:28,070 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:33:28,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:33:28,070 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-12 18:33:28,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:33:28,080 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:33:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:33:28,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:33:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 332 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-12 18:33:28,704 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:33:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 221 proven. 82 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-12 18:33:29,852 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 18:33:29,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-12 18:33:29,853 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 18:33:29,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 18:33:29,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 18:33:29,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-12 18:33:29,855 INFO L87 Difference]: Start difference. First operand 12254 states and 15445 transitions. Second operand 11 states. [2018-11-12 18:33:34,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:33:34,130 INFO L93 Difference]: Finished difference Result 21948 states and 28959 transitions. [2018-11-12 18:33:34,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-12 18:33:34,131 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 304 [2018-11-12 18:33:34,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:33:34,158 INFO L225 Difference]: With dead ends: 21948 [2018-11-12 18:33:34,158 INFO L226 Difference]: Without dead ends: 4744 [2018-11-12 18:33:34,204 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 615 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-11-12 18:33:34,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4744 states. [2018-11-12 18:33:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4744 to 3934. [2018-11-12 18:33:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3934 states. [2018-11-12 18:33:34,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 4622 transitions. [2018-11-12 18:33:34,307 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 4622 transitions. Word has length 304 [2018-11-12 18:33:34,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:33:34,307 INFO L480 AbstractCegarLoop]: Abstraction has 3934 states and 4622 transitions. [2018-11-12 18:33:34,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 18:33:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 4622 transitions. [2018-11-12 18:33:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-12 18:33:34,319 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:33:34,320 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 18:33:34,320 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:33:34,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:33:34,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1037984411, now seen corresponding path program 1 times [2018-11-12 18:33:34,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:33:34,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:33:34,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:33:34,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:33:34,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:33:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:33:34,917 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-12 18:33:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 229 proven. 158 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 18:33:35,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:33:35,446 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:33:35,447 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-11-12 18:33:35,447 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:33:35,449 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:33:35,450 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:33:35,589 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:33:35,936 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:33:35,936 INFO L272 AbstractInterpreter]: Visited 126 different actions 496 times. Merged at 8 different actions 28 times. Never widened. Performed 6543 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6543 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-12 18:33:35,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:33:35,947 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:33:35,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:33:35,947 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 18:33:35,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:33:35,957 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:33:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:33:36,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:33:57,619 WARN L179 SmtUtils]: Spent 21.12 s on a formula simplification. DAG size of input: 184 DAG size of output: 53 [2018-11-12 18:33:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 341 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-12 18:33:58,298 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:33:59,555 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 22 [2018-11-12 18:33:59,888 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-12 18:33:59,933 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-11-12 18:34:00,182 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-11-12 18:34:00,187 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,228 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,267 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,411 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,473 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,537 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,581 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,620 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,743 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,781 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,821 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:00,946 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,018 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,063 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,110 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,175 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,493 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,745 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,786 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,827 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:01,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,014 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,052 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,094 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,180 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,225 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,274 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,330 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,400 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,520 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,569 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,610 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,651 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,692 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,798 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:02,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,104 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,144 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,196 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,234 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,276 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,368 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,453 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,496 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,810 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,913 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:03,953 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,001 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,080 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,228 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,268 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,313 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,391 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,435 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,507 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,551 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,591 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,630 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,709 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,775 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,863 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,904 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:04,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,028 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,152 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,193 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,232 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,274 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,399 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,438 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,478 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,552 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,594 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,635 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,675 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:05,718 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:06,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:06,391 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:06,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:06,530 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:06,572 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:06,614 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:06,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,010 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,077 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,327 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,388 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,436 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,514 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,564 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,609 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,654 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,704 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,758 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,798 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,876 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,917 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:07,958 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-12 18:34:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 239 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 18:34:08,630 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 18:34:08,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 25 [2018-11-12 18:34:08,630 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 18:34:08,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-12 18:34:08,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-12 18:34:08,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2018-11-12 18:34:08,632 INFO L87 Difference]: Start difference. First operand 3934 states and 4622 transitions. Second operand 18 states. [2018-11-12 18:34:27,374 WARN L179 SmtUtils]: Spent 16.28 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-11-12 18:34:27,627 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2018-11-12 18:34:30,167 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2018-11-12 18:34:35,254 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2018-11-12 18:34:35,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:34:35,302 INFO L93 Difference]: Finished difference Result 9954 states and 11999 transitions. [2018-11-12 18:34:35,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-12 18:34:35,303 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 340 [2018-11-12 18:34:35,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:34:35,320 INFO L225 Difference]: With dead ends: 9954 [2018-11-12 18:34:35,321 INFO L226 Difference]: Without dead ends: 5880 [2018-11-12 18:34:35,328 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 591 SyntacticMatches, 111 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3395 ImplicationChecksByTransitivity, 50.0s TimeCoverageRelationStatistics Valid=800, Invalid=2860, Unknown=0, NotChecked=0, Total=3660 [2018-11-12 18:34:35,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5880 states. [2018-11-12 18:34:35,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5880 to 4511. [2018-11-12 18:34:35,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4511 states. [2018-11-12 18:34:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 5295 transitions. [2018-11-12 18:34:35,458 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 5295 transitions. Word has length 340 [2018-11-12 18:34:35,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:34:35,458 INFO L480 AbstractCegarLoop]: Abstraction has 4511 states and 5295 transitions. [2018-11-12 18:34:35,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-12 18:34:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 5295 transitions. [2018-11-12 18:34:35,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-11-12 18:34:35,471 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:34:35,472 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 18:34:35,472 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:34:35,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:34:35,473 INFO L82 PathProgramCache]: Analyzing trace with hash 935343302, now seen corresponding path program 1 times [2018-11-12 18:34:35,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:34:35,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:34:35,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:34:35,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:34:35,474 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:34:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:34:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-12 18:34:35,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:34:35,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 18:34:35,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:34:35,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:34:35,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:34:35,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:34:35,805 INFO L87 Difference]: Start difference. First operand 4511 states and 5295 transitions. Second operand 3 states. [2018-11-12 18:34:36,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:34:36,547 INFO L93 Difference]: Finished difference Result 9305 states and 11043 transitions. [2018-11-12 18:34:36,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:34:36,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2018-11-12 18:34:36,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:34:36,553 INFO L225 Difference]: With dead ends: 9305 [2018-11-12 18:34:36,553 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 18:34:36,566 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:34:36,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 18:34:36,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 18:34:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 18:34:36,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 18:34:36,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2018-11-12 18:34:36,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:34:36,568 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 18:34:36,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 18:34:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 18:34:36,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 18:34:36,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 18:34:36,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:37,968 WARN L179 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 374 [2018-11-12 18:34:38,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:34:38,649 WARN L179 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 291 [2018-11-12 18:34:39,087 WARN L179 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2018-11-12 18:34:39,283 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 47 [2018-11-12 18:34:44,586 WARN L179 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 385 DAG size of output: 53 [2018-11-12 18:34:49,617 WARN L179 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 386 DAG size of output: 61 [2018-11-12 18:34:50,786 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 307 DAG size of output: 64 [2018-11-12 18:34:50,789 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 18:34:50,789 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-12 18:34:50,789 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 18:34:50,789 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-12 18:34:50,789 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,789 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-12 18:34:50,790 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-12 18:34:50,791 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-12 18:34:50,792 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-12 18:34:50,792 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-12 18:34:50,792 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-12 18:34:50,792 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-12 18:34:50,792 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-12 18:34:50,792 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-12 18:34:50,792 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-12 18:34:50,792 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-12 18:34:50,792 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-12 18:34:50,793 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-12 18:34:50,794 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-12 18:34:50,794 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-12 18:34:50,794 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-12 18:34:50,794 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-12 18:34:50,794 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-12 18:34:50,794 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-12 18:34:50,794 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,794 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,794 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-12 18:34:50,795 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,796 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,797 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-11-12 18:34:50,797 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-12 18:34:50,797 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-12 18:34:50,797 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-12 18:34:50,797 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-12 18:34:50,797 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-12 18:34:50,797 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-12 18:34:50,797 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,798 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-12 18:34:50,799 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,800 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-12 18:34:50,801 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-12 18:34:50,802 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-12 18:34:50,803 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-12 18:34:50,803 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-12 18:34:50,803 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-12 18:34:50,803 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-12 18:34:50,803 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-12 18:34:50,803 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-12 18:34:50,803 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-12 18:34:50,803 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-12 18:34:50,804 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= |old(~a10~0)| ~a10~0)) (.cse7 (= ~a1~0 |old(~a1~0)|))) (let ((.cse4 (and .cse8 .cse9 .cse7)) (.cse0 (= 3 |old(~a10~0)|)) (.cse3 (and (= |old(~a19~0)| ~a19~0) .cse9 .cse7)) (.cse1 (= 7 |old(~a19~0)|)) (.cse2 (< 8 |old(~a19~0)|)) (.cse5 (not (= 14 ~a4~0))) (.cse6 (not (= 0 ~a12~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5 .cse6) (or .cse4 (or .cse0 .cse5 .cse6) (< (+ |old(~a1~0)| 12) 0)) (or .cse3 .cse1 .cse2 (= 8 |old(~a19~0)|)) (or (< 6 |calculate_output_#in~input|) (< |calculate_output_#in~input| 2) (and .cse7 .cse8 .cse9) (or .cse5 (< 9 |old(~a19~0)|)) .cse6 (< |old(~a19~0)| 9))))) [2018-11-12 18:34:50,804 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-12 18:34:50,804 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-12 18:34:50,804 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-12 18:34:50,804 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,804 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,804 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,804 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-12 18:34:50,805 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,806 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-12 18:34:50,807 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-12 18:34:50,808 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-12 18:34:50,809 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-12 18:34:50,809 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-12 18:34:50,809 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-12 18:34:50,809 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-12 18:34:50,809 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-12 18:34:50,809 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-12 18:34:50,809 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-12 18:34:50,809 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 18:34:50,809 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~inputC~0 3) (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~inputB~0 2) (= ~a1~0 23) (= ~inputE~0 5) (= ~a4~0 14) (= ~inputD~0 4)) [2018-11-12 18:34:50,809 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 18:34:50,810 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 18:34:50,810 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a10~0 |old(~a10~0)|) (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0))) [2018-11-12 18:34:50,810 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-12 18:34:50,810 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 7))) (.cse0 (not (= ~a10~0 3)))) (or (not (= |old(~a1~0)| 23)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (and (<= main_~input~0 6) (<= 9 ~a19~0) (<= ~a19~0 |old(~a19~0)|) (<= 2 main_~input~0)) (not (= ~a12~0 0)) (and .cse0 .cse1) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)) (not (= 4 ~inputD~0)) (and .cse0 (<= 0 (+ ~a1~0 12))) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)))) [2018-11-12 18:34:50,810 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-12 18:34:50,810 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-12 18:34:50,810 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-12 18:34:50,811 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 7))) (.cse0 (not (= ~a10~0 3)))) (or (not (= |old(~a1~0)| 23)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (not (= ~a12~0 0)) (and .cse0 .cse1) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)) (not (= 4 ~inputD~0)) (and (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (and .cse0 (<= 0 (+ ~a1~0 12))) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)))) [2018-11-12 18:34:50,811 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-12 18:34:50,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:34:50 BoogieIcfgContainer [2018-11-12 18:34:50,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 18:34:50,824 INFO L168 Benchmark]: Toolchain (without parser) took 197349.85 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 824.6 MB in the end (delta: 589.8 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-11-12 18:34:50,826 INFO L168 Benchmark]: CDTParser took 0.28 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. [2018-11-12 18:34:50,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.45 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-12 18:34:50,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-12 18:34:50,828 INFO L168 Benchmark]: Boogie Preprocessor took 113.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2018-11-12 18:34:50,828 INFO L168 Benchmark]: RCFGBuilder took 3433.62 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. [2018-11-12 18:34:50,829 INFO L168 Benchmark]: TraceAbstraction took 192975.39 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 824.6 MB in the end (delta: 1.3 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-11-12 18:34:50,834 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 695.45 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 126.91 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3433.62 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 192975.39 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 824.6 MB in the end (delta: 1.3 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(a1) == 23) || !(inputF == 6)) || !(\old(a10) == 0)) || !(a12 == 0)) || (!(a10 == 3) && !(a19 == 7))) || ((!(a19 == 7) && !(a19 == 8)) && a19 <= 8)) || !(4 == inputD)) || (a19 <= \old(a19) && 9 <= a19)) || (!(a10 == 3) && 0 <= a1 + 12)) || !(inputE == 5)) || !(14 == a4)) || !(3 == inputC)) || !(2 == inputB)) || !(\old(a19) == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 192.8s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 126.7s AutomataDifference, 0.0s DeadEndRemovalTime, 14.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1479 SDtfs, 13465 SDslu, 3268 SDs, 0 SdLazy, 22546 SolverSat, 3296 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 44.2s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2766 GetRequests, 2406 SyntacticMatches, 120 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4555 ImplicationChecksByTransitivity, 55.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12254occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.6s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9965581687627276 AbsIntWeakeningRatio, 0.11332801276935354 AbsIntAvgWeakeningVarsNumRemoved, 19.170790103751 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 3434 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 228 PreInvPairs, 346 NumberOfFragments, 390 HoareAnnotationTreeSize, 228 FomulaSimplifications, 124364 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 70119 FormulaSimplificationTreeSizeReductionInter, 12.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 40.1s InterpolantComputationTime, 3422 NumberOfCodeBlocks, 3422 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4050 ConstructedInterpolants, 126 QuantifiedInterpolants, 9348774 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1066 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 3221/4097 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...