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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 17:39:46,517 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 17:39:46,520 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 17:39:46,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 17:39:46,537 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 17:39:46,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 17:39:46,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 17:39:46,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 17:39:46,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 17:39:46,544 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 17:39:46,545 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 17:39:46,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 17:39:46,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 17:39:46,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 17:39:46,548 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 17:39:46,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 17:39:46,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 17:39:46,551 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 17:39:46,553 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 17:39:46,554 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 17:39:46,556 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 17:39:46,557 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 17:39:46,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 17:39:46,560 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 17:39:46,560 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 17:39:46,561 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 17:39:46,562 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 17:39:46,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 17:39:46,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 17:39:46,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 17:39:46,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 17:39:46,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 17:39:46,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 17:39:46,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 17:39:46,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 17:39:46,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 17:39:46,568 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 17:39:46,583 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 17:39:46,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 17:39:46,584 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 17:39:46,584 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 17:39:46,585 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 17:39:46,585 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 17:39:46,585 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 17:39:46,585 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 17:39:46,585 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 17:39:46,586 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 17:39:46,586 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 17:39:46,586 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 17:39:46,587 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 17:39:46,587 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 17:39:46,587 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 17:39:46,587 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 17:39:46,587 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 17:39:46,587 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 17:39:46,588 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 17:39:46,588 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 17:39:46,588 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 17:39:46,588 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 17:39:46,588 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 17:39:46,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:39:46,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 17:39:46,589 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 17:39:46,589 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 17:39:46,589 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 17:39:46,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 17:39:46,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 17:39:46,590 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 17:39:46,590 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 17:39:46,590 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 17:39:46,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 17:39:46,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 17:39:46,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 17:39:46,670 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 17:39:46,670 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 17:39:46,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-09-14 17:39:47,016 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad3a2ebdc/973df861fb5f4ed480204d38d831fdc2/FLAGc23703773 [2018-09-14 17:39:47,313 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 17:39:47,314 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-09-14 17:39:47,337 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad3a2ebdc/973df861fb5f4ed480204d38d831fdc2/FLAGc23703773 [2018-09-14 17:39:47,361 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad3a2ebdc/973df861fb5f4ed480204d38d831fdc2 [2018-09-14 17:39:47,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 17:39:47,377 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 17:39:47,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 17:39:47,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 17:39:47,388 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 17:39:47,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:39:47" (1/1) ... [2018-09-14 17:39:47,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64024991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:47, skipping insertion in model container [2018-09-14 17:39:47,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:39:47" (1/1) ... [2018-09-14 17:39:47,405 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 17:39:48,010 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:39:48,028 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 17:39:48,185 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:39:48,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48 WrapperNode [2018-09-14 17:39:48,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 17:39:48,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 17:39:48,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 17:39:48,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 17:39:48,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (1/1) ... [2018-09-14 17:39:48,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (1/1) ... [2018-09-14 17:39:48,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 17:39:48,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 17:39:48,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 17:39:48,390 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 17:39:48,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (1/1) ... [2018-09-14 17:39:48,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (1/1) ... [2018-09-14 17:39:48,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (1/1) ... [2018-09-14 17:39:48,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (1/1) ... [2018-09-14 17:39:48,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (1/1) ... [2018-09-14 17:39:48,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (1/1) ... [2018-09-14 17:39:48,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (1/1) ... [2018-09-14 17:39:48,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 17:39:48,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 17:39:48,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 17:39:48,678 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 17:39:48,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (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 [2018-09-14 17:39:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 17:39:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 17:39:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 17:39:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 17:39:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 17:39:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 17:39:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 17:39:48,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 17:39:52,392 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 17:39:52,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:39:52 BoogieIcfgContainer [2018-09-14 17:39:52,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 17:39:52,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 17:39:52,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 17:39:52,398 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 17:39:52,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 05:39:47" (1/3) ... [2018-09-14 17:39:52,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1d8a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:39:52, skipping insertion in model container [2018-09-14 17:39:52,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:39:48" (2/3) ... [2018-09-14 17:39:52,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1d8a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:39:52, skipping insertion in model container [2018-09-14 17:39:52,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:39:52" (3/3) ... [2018-09-14 17:39:52,402 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label33_true-unreach-call_false-termination.c [2018-09-14 17:39:52,413 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 17:39:52,421 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 17:39:52,474 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 17:39:52,475 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 17:39:52,476 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 17:39:52,476 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 17:39:52,476 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 17:39:52,476 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 17:39:52,476 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 17:39:52,477 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 17:39:52,477 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 17:39:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-09-14 17:39:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-14 17:39:52,514 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:39:52,516 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:39:52,517 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:39:52,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1913036537, now seen corresponding path program 1 times [2018-09-14 17:39:52,526 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:39:52,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:39:52,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:39:52,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:39:52,576 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:39:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:39:53,028 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:39:53,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:39:53,151 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:39:53,151 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 17:39:53,151 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:39:53,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:39:53,175 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:39:53,176 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:39:53,179 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-09-14 17:39:54,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:39:54,843 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-09-14 17:39:54,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:39:54,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-09-14 17:39:54,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:39:54,864 INFO L225 Difference]: With dead ends: 691 [2018-09-14 17:39:54,865 INFO L226 Difference]: Without dead ends: 434 [2018-09-14 17:39:54,874 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:39:54,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-09-14 17:39:54,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-09-14 17:39:54,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-09-14 17:39:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-09-14 17:39:54,981 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 65 [2018-09-14 17:39:54,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:39:54,982 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-09-14 17:39:54,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:39:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-09-14 17:39:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-14 17:39:54,994 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:39:54,994 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:39:54,994 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:39:54,995 INFO L82 PathProgramCache]: Analyzing trace with hash 920993175, now seen corresponding path program 1 times [2018-09-14 17:39:54,995 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:39:54,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:39:54,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:39:54,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:39:54,997 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:39:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:39:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:39:55,299 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:39:55,299 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:39:55,300 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:39:55,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:39:55,302 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:39:55,302 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:39:55,303 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-09-14 17:39:57,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:39:57,349 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-09-14 17:39:57,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:39:57,349 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-09-14 17:39:57,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:39:57,355 INFO L225 Difference]: With dead ends: 1062 [2018-09-14 17:39:57,355 INFO L226 Difference]: Without dead ends: 634 [2018-09-14 17:39:57,358 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:39:57,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-09-14 17:39:57,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-09-14 17:39:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-09-14 17:39:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-09-14 17:39:57,407 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 140 [2018-09-14 17:39:57,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:39:57,408 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-09-14 17:39:57,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:39:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-09-14 17:39:57,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-14 17:39:57,420 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:39:57,422 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:39:57,422 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:39:57,422 INFO L82 PathProgramCache]: Analyzing trace with hash 409670480, now seen corresponding path program 1 times [2018-09-14 17:39:57,422 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:39:57,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:39:57,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:39:57,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:39:57,424 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:39:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:39:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:39:57,978 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:39:57,978 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:39:57,979 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:39:57,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:39:57,980 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:39:57,980 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:39:57,980 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 6 states. [2018-09-14 17:40:03,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:40:03,267 INFO L93 Difference]: Finished difference Result 1819 states and 2988 transitions. [2018-09-14 17:40:03,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-14 17:40:03,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-09-14 17:40:03,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:40:03,276 INFO L225 Difference]: With dead ends: 1819 [2018-09-14 17:40:03,277 INFO L226 Difference]: Without dead ends: 1200 [2018-09-14 17:40:03,281 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-09-14 17:40:03,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2018-09-14 17:40:03,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1140. [2018-09-14 17:40:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1140 states. [2018-09-14 17:40:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1733 transitions. [2018-09-14 17:40:03,325 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1733 transitions. Word has length 149 [2018-09-14 17:40:03,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:40:03,325 INFO L480 AbstractCegarLoop]: Abstraction has 1140 states and 1733 transitions. [2018-09-14 17:40:03,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:40:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1733 transitions. [2018-09-14 17:40:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-09-14 17:40:03,330 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:40:03,331 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2018-09-14 17:40:03,331 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:40:03,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1226965922, now seen corresponding path program 1 times [2018-09-14 17:40:03,331 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:40:03,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:03,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:03,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:03,333 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:40:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:03,809 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-14 17:40:04,010 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-14 17:40:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:40:04,528 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:04,528 INFO L197 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 [2018-09-14 17:40:04,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:04,537 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:40:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:04,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:05,341 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-14 17:40:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 148 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:40:05,507 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:05,627 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-14 17:40:05,753 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-14 17:40:05,990 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-14 17:40:06,479 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-14 17:40:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 121 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:40:07,114 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:07,114 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:40:07,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:07,133 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:40:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:07,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 148 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:40:07,617 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 121 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:40:08,238 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:40:08,239 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8, 8, 8] total 26 [2018-09-14 17:40:08,239 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:40:08,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-14 17:40:08,240 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-14 17:40:08,241 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2018-09-14 17:40:08,241 INFO L87 Difference]: Start difference. First operand 1140 states and 1733 transitions. Second operand 15 states. [2018-09-14 17:40:15,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:40:15,529 INFO L93 Difference]: Finished difference Result 3259 states and 4983 transitions. [2018-09-14 17:40:15,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-14 17:40:15,530 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 234 [2018-09-14 17:40:15,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:40:15,541 INFO L225 Difference]: With dead ends: 3259 [2018-09-14 17:40:15,541 INFO L226 Difference]: Without dead ends: 1926 [2018-09-14 17:40:15,548 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 963 GetRequests, 919 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=415, Invalid=1307, Unknown=0, NotChecked=0, Total=1722 [2018-09-14 17:40:15,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2018-09-14 17:40:15,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1617. [2018-09-14 17:40:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1617 states. [2018-09-14 17:40:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2114 transitions. [2018-09-14 17:40:15,616 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2114 transitions. Word has length 234 [2018-09-14 17:40:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:40:15,616 INFO L480 AbstractCegarLoop]: Abstraction has 1617 states and 2114 transitions. [2018-09-14 17:40:15,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-14 17:40:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2114 transitions. [2018-09-14 17:40:15,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-09-14 17:40:15,622 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:40:15,623 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2018-09-14 17:40:15,623 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:40:15,623 INFO L82 PathProgramCache]: Analyzing trace with hash -6926021, now seen corresponding path program 1 times [2018-09-14 17:40:15,623 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:40:15,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:15,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:15,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:15,626 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:40:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:16,229 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-14 17:40:16,463 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-14 17:40:16,889 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 13 [2018-09-14 17:40:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 146 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:40:17,266 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:17,266 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:40:17,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:17,275 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:40:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:17,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-09-14 17:40:17,474 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 116 proven. 79 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:40:17,746 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 17:40:17,746 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 5] total 13 [2018-09-14 17:40:17,747 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:40:17,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:40:17,747 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:40:17,748 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-09-14 17:40:17,748 INFO L87 Difference]: Start difference. First operand 1617 states and 2114 transitions. Second operand 5 states. [2018-09-14 17:40:19,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:40:19,933 INFO L93 Difference]: Finished difference Result 6361 states and 8359 transitions. [2018-09-14 17:40:19,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 17:40:19,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 259 [2018-09-14 17:40:19,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:40:19,957 INFO L225 Difference]: With dead ends: 6361 [2018-09-14 17:40:19,957 INFO L226 Difference]: Without dead ends: 4750 [2018-09-14 17:40:19,970 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 512 SyntacticMatches, 9 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-09-14 17:40:19,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4750 states. [2018-09-14 17:40:20,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4750 to 4632. [2018-09-14 17:40:20,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2018-09-14 17:40:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 5729 transitions. [2018-09-14 17:40:20,083 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 5729 transitions. Word has length 259 [2018-09-14 17:40:20,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:40:20,083 INFO L480 AbstractCegarLoop]: Abstraction has 4632 states and 5729 transitions. [2018-09-14 17:40:20,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:40:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 5729 transitions. [2018-09-14 17:40:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-09-14 17:40:20,093 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:40:20,094 INFO L376 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:40:20,094 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:40:20,094 INFO L82 PathProgramCache]: Analyzing trace with hash -926137119, now seen corresponding path program 1 times [2018-09-14 17:40:20,095 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:40:20,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:20,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:20,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:20,096 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:40:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-09-14 17:40:20,576 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:20,576 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:40:20,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:20,584 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:40:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:20,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-09-14 17:40:20,841 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-09-14 17:40:21,224 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:21,224 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:40:21,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:21,240 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:40:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:21,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 339 proven. 6 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-09-14 17:40:21,653 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-09-14 17:40:22,151 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:40:22,152 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5, 5, 5] total 8 [2018-09-14 17:40:22,152 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:40:22,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-14 17:40:22,153 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-14 17:40:22,153 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:40:22,154 INFO L87 Difference]: Start difference. First operand 4632 states and 5729 transitions. Second operand 7 states. [2018-09-14 17:40:25,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:40:25,055 INFO L93 Difference]: Finished difference Result 12659 states and 16148 transitions. [2018-09-14 17:40:25,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-14 17:40:25,060 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 370 [2018-09-14 17:40:25,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:40:25,101 INFO L225 Difference]: With dead ends: 12659 [2018-09-14 17:40:25,101 INFO L226 Difference]: Without dead ends: 8033 [2018-09-14 17:40:25,131 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1499 GetRequests, 1477 SyntacticMatches, 11 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-09-14 17:40:25,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8033 states. [2018-09-14 17:40:25,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8033 to 7820. [2018-09-14 17:40:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7820 states. [2018-09-14 17:40:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7820 states to 7820 states and 9306 transitions. [2018-09-14 17:40:25,309 INFO L78 Accepts]: Start accepts. Automaton has 7820 states and 9306 transitions. Word has length 370 [2018-09-14 17:40:25,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:40:25,310 INFO L480 AbstractCegarLoop]: Abstraction has 7820 states and 9306 transitions. [2018-09-14 17:40:25,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-14 17:40:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 7820 states and 9306 transitions. [2018-09-14 17:40:25,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2018-09-14 17:40:25,330 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:40:25,330 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 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] [2018-09-14 17:40:25,331 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:40:25,332 INFO L82 PathProgramCache]: Analyzing trace with hash 628633265, now seen corresponding path program 1 times [2018-09-14 17:40:25,332 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:40:25,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:25,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:25,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:25,333 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:40:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:25,881 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-14 17:40:26,074 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-14 17:40:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 521 proven. 160 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-09-14 17:40:26,594 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:26,594 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:40:26,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:26,603 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:40:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:26,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:27,171 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-14 17:40:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 488 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-09-14 17:40:27,520 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 488 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-09-14 17:40:27,918 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:27,918 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:40:27,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:27,933 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:40:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:28,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 334 proven. 156 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-09-14 17:40:28,455 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 253 proven. 237 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-09-14 17:40:29,368 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:40:29,369 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 8, 8] total 16 [2018-09-14 17:40:29,369 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:40:29,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-14 17:40:29,370 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-14 17:40:29,370 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2018-09-14 17:40:29,370 INFO L87 Difference]: Start difference. First operand 7820 states and 9306 transitions. Second operand 13 states. [2018-09-14 17:40:33,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:40:33,309 INFO L93 Difference]: Finished difference Result 16210 states and 19734 transitions. [2018-09-14 17:40:33,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-14 17:40:33,310 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 455 [2018-09-14 17:40:33,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:40:33,354 INFO L225 Difference]: With dead ends: 16210 [2018-09-14 17:40:33,354 INFO L226 Difference]: Without dead ends: 8193 [2018-09-14 17:40:33,388 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1848 GetRequests, 1810 SyntacticMatches, 15 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2018-09-14 17:40:33,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8193 states. [2018-09-14 17:40:33,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8193 to 7545. [2018-09-14 17:40:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7545 states. [2018-09-14 17:40:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7545 states to 7545 states and 8816 transitions. [2018-09-14 17:40:33,584 INFO L78 Accepts]: Start accepts. Automaton has 7545 states and 8816 transitions. Word has length 455 [2018-09-14 17:40:33,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:40:33,585 INFO L480 AbstractCegarLoop]: Abstraction has 7545 states and 8816 transitions. [2018-09-14 17:40:33,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-14 17:40:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 7545 states and 8816 transitions. [2018-09-14 17:40:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2018-09-14 17:40:33,609 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:40:33,609 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:40:33,610 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:40:33,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1125412805, now seen corresponding path program 2 times [2018-09-14 17:40:33,610 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:40:33,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:33,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:33,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:33,611 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:40:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:34,042 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-14 17:40:34,315 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-09-14 17:40:35,116 WARN L178 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2018-09-14 17:40:35,494 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2018-09-14 17:40:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 508 proven. 307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:40:36,254 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:36,254 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:40:36,261 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-14 17:40:36,262 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-14 17:40:36,381 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-14 17:40:36,381 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-14 17:40:36,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:36,681 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 488 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-09-14 17:40:36,682 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:37,326 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 488 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-09-14 17:40:37,347 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:37,348 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:40:37,364 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-14 17:40:37,364 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-14 17:40:37,649 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-14 17:40:37,650 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-14 17:40:37,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 484 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-09-14 17:40:38,041 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 19 proven. 471 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-09-14 17:40:39,146 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:40:39,147 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5, 8, 9] total 31 [2018-09-14 17:40:39,147 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:40:39,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-14 17:40:39,149 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-14 17:40:39,150 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=790, Unknown=0, NotChecked=0, Total=930 [2018-09-14 17:40:39,150 INFO L87 Difference]: Start difference. First operand 7545 states and 8816 transitions. Second operand 21 states. [2018-09-14 17:40:46,564 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-09-14 17:40:48,868 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2018-09-14 17:40:49,206 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2018-09-14 17:40:50,571 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2018-09-14 17:40:53,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:40:53,142 INFO L93 Difference]: Finished difference Result 16434 states and 20269 transitions. [2018-09-14 17:40:53,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-09-14 17:40:53,146 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 481 [2018-09-14 17:40:53,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:40:53,185 INFO L225 Difference]: With dead ends: 16434 [2018-09-14 17:40:53,186 INFO L226 Difference]: Without dead ends: 8895 [2018-09-14 17:40:53,213 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2054 GetRequests, 1959 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2491 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1554, Invalid=7002, Unknown=0, NotChecked=0, Total=8556 [2018-09-14 17:40:53,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8895 states. [2018-09-14 17:40:53,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8895 to 7026. [2018-09-14 17:40:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7026 states. [2018-09-14 17:40:53,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7026 states to 7026 states and 8112 transitions. [2018-09-14 17:40:53,385 INFO L78 Accepts]: Start accepts. Automaton has 7026 states and 8112 transitions. Word has length 481 [2018-09-14 17:40:53,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:40:53,386 INFO L480 AbstractCegarLoop]: Abstraction has 7026 states and 8112 transitions. [2018-09-14 17:40:53,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-09-14 17:40:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 7026 states and 8112 transitions. [2018-09-14 17:40:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2018-09-14 17:40:53,407 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:40:53,407 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-09-14 17:40:53,408 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:40:53,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1909872244, now seen corresponding path program 1 times [2018-09-14 17:40:53,408 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:40:53,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:53,409 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-14 17:40:53,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:40:53,409 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:40:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:53,809 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-14 17:40:54,070 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-09-14 17:40:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 403 proven. 412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:40:55,273 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:55,273 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:40:55,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:55,282 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:40:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:55,419 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:56,113 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 488 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-09-14 17:40:56,113 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 488 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-09-14 17:40:56,833 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:40:56,833 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:40:56,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:40:56,849 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:40:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:40:57,148 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:40:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 484 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-09-14 17:40:57,650 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:40:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 235 proven. 255 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-09-14 17:40:58,618 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:40:58,620 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5, 8, 8] total 34 [2018-09-14 17:40:58,620 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:40:58,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-14 17:40:58,622 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-14 17:40:58,622 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=983, Unknown=0, NotChecked=0, Total=1122 [2018-09-14 17:40:58,623 INFO L87 Difference]: Start difference. First operand 7026 states and 8112 transitions. Second operand 21 states. [2018-09-14 17:41:09,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:41:09,322 INFO L93 Difference]: Finished difference Result 17728 states and 20666 transitions. [2018-09-14 17:41:09,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-09-14 17:41:09,323 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 544 [2018-09-14 17:41:09,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:41:09,352 INFO L225 Difference]: With dead ends: 17728 [2018-09-14 17:41:09,353 INFO L226 Difference]: Without dead ends: 10708 [2018-09-14 17:41:09,376 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2253 GetRequests, 2186 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=837, Invalid=3719, Unknown=0, NotChecked=0, Total=4556 [2018-09-14 17:41:09,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10708 states. [2018-09-14 17:41:09,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10708 to 10342. [2018-09-14 17:41:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10342 states. [2018-09-14 17:41:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10342 states to 10342 states and 11430 transitions. [2018-09-14 17:41:09,573 INFO L78 Accepts]: Start accepts. Automaton has 10342 states and 11430 transitions. Word has length 544 [2018-09-14 17:41:09,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:41:09,574 INFO L480 AbstractCegarLoop]: Abstraction has 10342 states and 11430 transitions. [2018-09-14 17:41:09,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-09-14 17:41:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 10342 states and 11430 transitions. [2018-09-14 17:41:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2018-09-14 17:41:09,588 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:41:09,589 INFO L376 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:41:09,589 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:41:09,590 INFO L82 PathProgramCache]: Analyzing trace with hash -146349070, now seen corresponding path program 1 times [2018-09-14 17:41:09,590 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:41:09,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:41:09,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:41:09,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:41:09,591 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:41:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:41:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 645 proven. 83 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2018-09-14 17:41:10,142 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:41:10,142 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:41:10,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:41:10,150 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:41:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:41:10,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:41:10,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 907 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-09-14 17:41:10,479 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:41:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 645 proven. 83 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2018-09-14 17:41:10,831 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:41:10,831 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:41:10,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:41:10,847 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:41:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:41:11,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:41:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 907 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-09-14 17:41:11,393 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:41:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 645 proven. 83 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2018-09-14 17:41:11,811 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:41:11,812 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 9 [2018-09-14 17:41:11,812 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:41:11,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-14 17:41:11,813 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-14 17:41:11,814 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:41:11,814 INFO L87 Difference]: Start difference. First operand 10342 states and 11430 transitions. Second operand 7 states. [2018-09-14 17:41:14,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:41:14,588 INFO L93 Difference]: Finished difference Result 29913 states and 36779 transitions. [2018-09-14 17:41:14,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-14 17:41:14,589 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 603 [2018-09-14 17:41:14,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:41:14,590 INFO L225 Difference]: With dead ends: 29913 [2018-09-14 17:41:14,590 INFO L226 Difference]: Without dead ends: 0 [2018-09-14 17:41:14,723 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2428 GetRequests, 2413 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-09-14 17:41:14,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-14 17:41:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-14 17:41:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-14 17:41:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-14 17:41:14,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 603 [2018-09-14 17:41:14,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:41:14,725 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-14 17:41:14,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-14 17:41:14,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-14 17:41:14,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-14 17:41:14,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-14 17:41:14,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:14,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:14,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:14,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:14,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:14,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:15,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,352 WARN L178 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 371 DAG size of output: 291 [2018-09-14 17:41:16,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:16,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:41:17,799 WARN L178 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 371 DAG size of output: 291 [2018-09-14 17:41:18,236 WARN L178 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2018-09-14 17:41:19,125 WARN L178 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 31 [2018-09-14 17:41:20,392 WARN L178 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 240 DAG size of output: 48 [2018-09-14 17:41:22,058 WARN L178 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 295 DAG size of output: 57 [2018-09-14 17:41:25,046 WARN L178 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 295 DAG size of output: 57 [2018-09-14 17:41:25,049 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-14 17:41:25,050 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-09-14 17:41:25,050 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-14 17:41:25,050 INFO L426 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-09-14 17:41:25,050 INFO L426 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-09-14 17:41:25,050 INFO L426 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,050 INFO L426 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,050 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,051 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,052 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,052 INFO L426 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-09-14 17:41:25,052 INFO L426 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-09-14 17:41:25,052 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-14 17:41:25,052 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-14 17:41:25,052 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-14 17:41:25,052 INFO L426 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-09-14 17:41:25,052 INFO L426 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-09-14 17:41:25,052 INFO L426 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-09-14 17:41:25,053 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,053 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,053 INFO L426 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,053 INFO L426 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-09-14 17:41:25,053 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-14 17:41:25,053 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-14 17:41:25,053 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-14 17:41:25,053 INFO L426 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-09-14 17:41:25,054 INFO L426 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-09-14 17:41:25,054 INFO L426 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-09-14 17:41:25,054 INFO L426 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-09-14 17:41:25,054 INFO L426 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-09-14 17:41:25,055 INFO L426 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,055 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,055 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,055 INFO L426 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-09-14 17:41:25,055 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-14 17:41:25,055 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-14 17:41:25,055 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-14 17:41:25,055 INFO L426 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-09-14 17:41:25,055 INFO L426 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-09-14 17:41:25,056 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-09-14 17:41:25,056 INFO L426 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,056 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,056 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,056 INFO L426 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-09-14 17:41:25,056 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-14 17:41:25,056 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-14 17:41:25,056 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-14 17:41:25,059 INFO L426 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-09-14 17:41:25,059 INFO L426 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-09-14 17:41:25,059 INFO L426 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-09-14 17:41:25,059 INFO L426 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-09-14 17:41:25,059 INFO L426 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-09-14 17:41:25,059 INFO L426 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,059 INFO L426 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,060 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,060 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,060 INFO L426 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-09-14 17:41:25,060 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-14 17:41:25,060 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-14 17:41:25,060 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-14 17:41:25,060 INFO L426 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-09-14 17:41:25,060 INFO L426 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-09-14 17:41:25,060 INFO L426 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-09-14 17:41:25,061 INFO L426 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-09-14 17:41:25,061 INFO L426 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,061 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,061 INFO L426 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,061 INFO L426 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-09-14 17:41:25,061 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-14 17:41:25,061 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-14 17:41:25,061 INFO L426 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-09-14 17:41:25,062 INFO L426 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-09-14 17:41:25,062 INFO L426 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-09-14 17:41:25,063 INFO L426 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-09-14 17:41:25,063 INFO L426 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-09-14 17:41:25,063 INFO L426 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,063 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,063 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,063 INFO L426 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-09-14 17:41:25,063 INFO L426 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-09-14 17:41:25,063 INFO L426 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-09-14 17:41:25,063 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-14 17:41:25,064 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-14 17:41:25,064 INFO L426 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-09-14 17:41:25,064 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse8 (= 1 |old(~a24~0)|)) (.cse0 (= 5 |old(~a15~0)|))) (let ((.cse6 (and .cse8 (<= (+ |old(~a12~0)| 43) 0) .cse0 (= 7 |old(~a21~0)|))) (.cse1 (not .cse8)) (.cse2 (and .cse3 .cse4 .cse5 (= 1 ~a24~0))) (.cse7 (= 6 |old(~a15~0)|))) (and (or .cse0 .cse1 .cse2 (= 10 |old(~a21~0)|)) (or (and .cse3 (= ~a24~0 |old(~a24~0)|) .cse4 .cse5) .cse6 (< 0 (+ |old(~a12~0)| 49)) .cse7 (= 9 |old(~a15~0)|) (< 7 |old(~a21~0)|)) (or .cse0 .cse1 (< 11 |old(~a12~0)|) .cse2) (or .cse6 .cse1 .cse2 .cse7)))) [2018-09-14 17:41:25,064 INFO L426 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-09-14 17:41:25,064 INFO L426 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-09-14 17:41:25,065 INFO L426 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-09-14 17:41:25,066 INFO L426 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-09-14 17:41:25,067 INFO L426 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-09-14 17:41:25,068 INFO L426 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-09-14 17:41:25,068 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,068 INFO L426 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,068 INFO L426 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,068 INFO L426 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-09-14 17:41:25,068 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-14 17:41:25,068 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-14 17:41:25,068 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-14 17:41:25,068 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2018-09-14 17:41:25,069 INFO L426 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-09-14 17:41:25,069 INFO L426 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-09-14 17:41:25,069 INFO L426 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-09-14 17:41:25,069 INFO L426 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-09-14 17:41:25,069 INFO L426 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,069 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,069 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,069 INFO L426 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-09-14 17:41:25,069 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-09-14 17:41:25,070 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-14 17:41:25,071 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-14 17:41:25,071 INFO L426 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-09-14 17:41:25,071 INFO L426 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-09-14 17:41:25,071 INFO L426 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-09-14 17:41:25,071 INFO L426 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-09-14 17:41:25,071 INFO L426 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-09-14 17:41:25,071 INFO L426 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,071 INFO L426 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,072 INFO L426 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-09-14 17:41:25,072 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-14 17:41:25,072 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-14 17:41:25,072 INFO L426 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-09-14 17:41:25,072 INFO L426 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-09-14 17:41:25,072 INFO L426 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-09-14 17:41:25,072 INFO L426 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,072 INFO L426 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,072 INFO L426 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-09-14 17:41:25,073 INFO L426 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-09-14 17:41:25,073 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-14 17:41:25,073 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-14 17:41:25,073 INFO L426 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-09-14 17:41:25,073 INFO L426 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-09-14 17:41:25,073 INFO L426 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-09-14 17:41:25,073 INFO L426 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-09-14 17:41:25,073 INFO L426 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,073 INFO L426 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,074 INFO L426 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-09-14 17:41:25,074 INFO L426 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-09-14 17:41:25,074 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-14 17:41:25,074 INFO L426 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-09-14 17:41:25,074 INFO L426 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-09-14 17:41:25,074 INFO L426 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-09-14 17:41:25,074 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-09-14 17:41:25,074 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,075 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,075 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,075 INFO L426 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-09-14 17:41:25,075 INFO L426 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-09-14 17:41:25,075 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-14 17:41:25,075 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-14 17:41:25,075 INFO L426 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-09-14 17:41:25,075 INFO L426 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-09-14 17:41:25,075 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,076 INFO L426 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,076 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-09-14 17:41:25,076 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,076 INFO L426 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-09-14 17:41:25,076 INFO L426 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-09-14 17:41:25,076 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-09-14 17:41:25,076 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-14 17:41:25,076 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-14 17:41:25,076 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-14 17:41:25,077 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-14 17:41:25,078 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-14 17:41:25,078 INFO L426 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-09-14 17:41:25,078 INFO L426 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-09-14 17:41:25,078 INFO L426 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-09-14 17:41:25,078 INFO L426 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-09-14 17:41:25,078 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,078 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,078 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,078 INFO L426 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-09-14 17:41:25,079 INFO L426 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-09-14 17:41:25,079 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-14 17:41:25,079 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-14 17:41:25,079 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-14 17:41:25,079 INFO L426 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-09-14 17:41:25,079 INFO L426 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-09-14 17:41:25,079 INFO L426 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-09-14 17:41:25,079 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,079 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-09-14 17:41:25,080 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,081 INFO L426 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,081 INFO L426 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-09-14 17:41:25,081 INFO L426 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-09-14 17:41:25,081 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-14 17:41:25,081 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-14 17:41:25,081 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-14 17:41:25,081 INFO L426 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-09-14 17:41:25,081 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-14 17:41:25,081 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a15~0 9)) (= 7 ~a21~0) (= 1 ~a24~0) (<= (+ ~a12~0 49) 0) (not (= 5 ~a15~0)) (not (= ~a15~0 6))) [2018-09-14 17:41:25,082 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-14 17:41:25,082 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-14 17:41:25,082 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (= 5 |old(~a15~0)|) (< 0 (+ |old(~a12~0)| 49)) (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0) (= 1 ~a24~0)) (not (= 1 |old(~a24~0)|)) (= 6 |old(~a15~0)|) (= 9 |old(~a15~0)|)) [2018-09-14 17:41:25,082 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-09-14 17:41:25,082 INFO L422 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (not (= 5 ~a15~0))) (.cse0 (= 1 ~a24~0)) (.cse1 (not (= ~a15~0 6)))) (let ((.cse3 (and (not (= ~a15~0 9)) .cse1)) (.cse4 (or (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) .cse2 (not .cse0)))) (or (and (and .cse0 .cse1) .cse2) (not (= 7 |old(~a21~0)|)) (and .cse0 (<= ~a12~0 11) .cse2) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse3 .cse0) .cse4) (= 9 |old(~a15~0)|) (not (= 1 |old(~a24~0)|)) (= 5 |old(~a15~0)|) (and .cse0 .cse2 (not (= ~a21~0 10))) (and (and .cse3 (<= ~a21~0 7) (<= (+ ~a12~0 49) 0)) .cse4) (= 6 |old(~a15~0)|)))) [2018-09-14 17:41:25,082 INFO L426 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-09-14 17:41:25,082 INFO L426 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-09-14 17:41:25,083 INFO L426 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-09-14 17:41:25,083 INFO L422 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse2 (not (= 5 ~a15~0))) (.cse0 (= 1 ~a24~0)) (.cse1 (not (= ~a15~0 6)))) (let ((.cse3 (and (not (= ~a15~0 9)) .cse1)) (.cse4 (or (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) .cse2 (not .cse0)))) (or (and (and .cse0 .cse1) .cse2) (not (= 7 |old(~a21~0)|)) (and .cse0 (<= ~a12~0 11) .cse2) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse3 .cse0) .cse4) (= 9 |old(~a15~0)|) (not (= 1 |old(~a24~0)|)) (= 5 |old(~a15~0)|) (and .cse0 .cse2 (not (= ~a21~0 10))) (and (and .cse3 (<= ~a21~0 7) (<= (+ ~a12~0 49) 0)) .cse4) (= 6 |old(~a15~0)|)))) [2018-09-14 17:41:25,083 INFO L426 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-09-14 17:41:25,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 05:41:25 BoogieIcfgContainer [2018-09-14 17:41:25,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 17:41:25,121 INFO L168 Benchmark]: Toolchain (without parser) took 97747.38 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-14 17:41:25,125 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 17:41:25,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 869.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-14 17:41:25,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.44 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 17:41:25,130 INFO L168 Benchmark]: Boogie Preprocessor took 287.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 782.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -884.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2018-09-14 17:41:25,131 INFO L168 Benchmark]: RCFGBuilder took 3715.55 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 7.1 GB. [2018-09-14 17:41:25,133 INFO L168 Benchmark]: TraceAbstraction took 92725.72 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -707.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-14 17:41:25,143 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 869.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 141.44 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 287.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 782.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -884.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3715.55 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 92725.72 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -707.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((((1 == a24 && !(a15 == 6)) && !(5 == a15)) || !(7 == \old(a21))) || ((1 == a24 && a12 <= 11) && !(5 == a15))) || 0 < \old(a12) + 49) || (((!(a15 == 9) && !(a15 == 6)) && 1 == a24) && (((!(7 == a21) || 0 < a12 + 43) || !(5 == a15)) || !(1 == a24)))) || 9 == \old(a15)) || !(1 == \old(a24))) || 5 == \old(a15)) || ((1 == a24 && !(5 == a15)) && !(a21 == 10))) || ((((!(a15 == 9) && !(a15 == 6)) && a21 <= 7) && a12 + 49 <= 0) && (((!(7 == a21) || 0 < a12 + 43) || !(5 == a15)) || !(1 == a24)))) || 6 == \old(a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 92.6s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 53.3s AutomataDifference, 0.0s DeadEndRemovalTime, 10.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1012 SDtfs, 26091 SDslu, 2524 SDs, 0 SdLazy, 30886 SolverSat, 5155 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11607 GetRequests, 11282 SyntacticMatches, 51 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4384 ImplicationChecksByTransitivity, 18.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10342occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 3592 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 266 PreInvPairs, 554 NumberOfFragments, 466 HoareAnnotationTreeSize, 266 FomulaSimplifications, 238349 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 123862 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 8933 NumberOfCodeBlocks, 8933 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 14530 ConstructedInterpolants, 0 QuantifiedInterpolants, 35552461 SizeOfPredicates, 47 NumberOfNonLiveVariables, 8742 ConjunctsInSsa, 234 ConjunctsInUnsatCore, 36 InterpolantComputations, 4 PerfectInterpolantSequences, 19725/22411 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label33_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_17-41-25-176.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label33_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_17-41-25-176.csv Received shutdown request...