java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 12:56:14,517 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 12:56:14,519 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 12:56:14,531 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 12:56:14,532 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 12:56:14,533 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 12:56:14,534 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 12:56:14,536 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 12:56:14,538 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 12:56:14,539 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 12:56:14,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 12:56:14,540 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 12:56:14,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 12:56:14,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 12:56:14,545 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 12:56:14,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 12:56:14,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 12:56:14,549 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 12:56:14,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 12:56:14,552 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 12:56:14,553 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 12:56:14,554 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 12:56:14,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 12:56:14,557 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 12:56:14,557 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 12:56:14,558 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 12:56:14,558 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 12:56:14,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 12:56:14,560 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 12:56:14,561 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 12:56:14,561 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 12:56:14,562 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 12:56:14,564 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 12:56:14,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 12:56:14,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 12:56:14,582 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 12:56:14,582 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 12:56:14,582 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 12:56:14,582 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 12:56:14,583 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 12:56:14,583 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 12:56:14,583 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 12:56:14,583 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 12:56:14,583 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 12:56:14,584 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 12:56:14,584 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 12:56:14,585 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 12:56:14,585 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 12:56:14,585 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 12:56:14,585 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 12:56:14,585 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 12:56:14,585 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 12:56:14,586 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 12:56:14,586 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 12:56:14,586 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 12:56:14,586 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 12:56:14,586 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 12:56:14,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:56:14,587 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 12:56:14,587 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 12:56:14,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 12:56:14,588 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 12:56:14,588 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 12:56:14,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 12:56:14,588 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 12:56:14,588 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 12:56:14,589 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 12:56:14,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 12:56:14,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 12:56:14,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 12:56:14,660 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 12:56:14,661 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 12:56:14,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48_true-unreach-call_false-termination.c [2018-11-07 12:56:14,727 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aee49612a/feb099d11c224f11b52d3ede27efe0ce/FLAGed373988a [2018-11-07 12:56:15,336 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 12:56:15,337 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label48_true-unreach-call_false-termination.c [2018-11-07 12:56:15,356 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aee49612a/feb099d11c224f11b52d3ede27efe0ce/FLAGed373988a [2018-11-07 12:56:15,374 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aee49612a/feb099d11c224f11b52d3ede27efe0ce [2018-11-07 12:56:15,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 12:56:15,390 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 12:56:15,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 12:56:15,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 12:56:15,399 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 12:56:15,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:56:15" (1/1) ... [2018-11-07 12:56:15,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e1dcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:15, skipping insertion in model container [2018-11-07 12:56:15,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:56:15" (1/1) ... [2018-11-07 12:56:15,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 12:56:15,468 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 12:56:15,975 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:56:15,980 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 12:56:16,127 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:56:16,145 INFO L193 MainTranslator]: Completed translation [2018-11-07 12:56:16,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16 WrapperNode [2018-11-07 12:56:16,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 12:56:16,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 12:56:16,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 12:56:16,147 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 12:56:16,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... [2018-11-07 12:56:16,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... [2018-11-07 12:56:16,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 12:56:16,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 12:56:16,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 12:56:16,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 12:56:16,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... [2018-11-07 12:56:16,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... [2018-11-07 12:56:16,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... [2018-11-07 12:56:16,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... [2018-11-07 12:56:16,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... [2018-11-07 12:56:16,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... [2018-11-07 12:56:16,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... [2018-11-07 12:56:16,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 12:56:16,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 12:56:16,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 12:56:16,388 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 12:56:16,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:56:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 12:56:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 12:56:16,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 12:56:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 12:56:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 12:56:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 12:56:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 12:56:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 12:56:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 12:56:19,923 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 12:56:19,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:56:19 BoogieIcfgContainer [2018-11-07 12:56:19,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 12:56:19,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 12:56:19,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 12:56:19,929 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 12:56:19,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:56:15" (1/3) ... [2018-11-07 12:56:19,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c396b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:56:19, skipping insertion in model container [2018-11-07 12:56:19,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:16" (2/3) ... [2018-11-07 12:56:19,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c396b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:56:19, skipping insertion in model container [2018-11-07 12:56:19,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:56:19" (3/3) ... [2018-11-07 12:56:19,933 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label48_true-unreach-call_false-termination.c [2018-11-07 12:56:19,944 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 12:56:19,953 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 12:56:19,971 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 12:56:20,009 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 12:56:20,009 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 12:56:20,010 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 12:56:20,010 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 12:56:20,010 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 12:56:20,010 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 12:56:20,011 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 12:56:20,011 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 12:56:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 12:56:20,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-07 12:56:20,055 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:20,056 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:20,059 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:20,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:20,066 INFO L82 PathProgramCache]: Analyzing trace with hash -549296008, now seen corresponding path program 1 times [2018-11-07 12:56:20,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:20,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:20,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:20,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:20,121 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:56:20,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:56:20,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 12:56:20,730 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:56:20,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:56:20,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:56:20,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:56:20,762 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 12:56:22,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:22,410 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-11-07 12:56:22,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:56:22,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2018-11-07 12:56:22,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:22,431 INFO L225 Difference]: With dead ends: 621 [2018-11-07 12:56:22,431 INFO L226 Difference]: Without dead ends: 382 [2018-11-07 12:56:22,438 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 12:56:22,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-07 12:56:22,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-07 12:56:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-07 12:56:22,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-11-07 12:56:22,518 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 144 [2018-11-07 12:56:22,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:22,519 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-11-07 12:56:22,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:56:22,520 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-11-07 12:56:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-07 12:56:22,529 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:22,529 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:22,530 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:22,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:22,530 INFO L82 PathProgramCache]: Analyzing trace with hash -949584507, now seen corresponding path program 1 times [2018-11-07 12:56:22,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:22,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:22,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:22,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:22,532 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:22,998 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-07 12:56:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:56:23,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:56:23,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 12:56:23,127 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:56:23,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 12:56:23,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 12:56:23,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 12:56:23,130 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-11-07 12:56:24,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:24,574 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-11-07 12:56:24,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 12:56:24,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2018-11-07 12:56:24,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:24,580 INFO L225 Difference]: With dead ends: 903 [2018-11-07 12:56:24,580 INFO L226 Difference]: Without dead ends: 381 [2018-11-07 12:56:24,584 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 12:56:24,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-07 12:56:24,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-11-07 12:56:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-07 12:56:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-11-07 12:56:24,610 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 153 [2018-11-07 12:56:24,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:24,611 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-11-07 12:56:24,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 12:56:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-11-07 12:56:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-07 12:56:24,615 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:24,615 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:24,616 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:24,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:24,616 INFO L82 PathProgramCache]: Analyzing trace with hash 798568569, now seen corresponding path program 1 times [2018-11-07 12:56:24,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:24,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:24,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:24,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:24,618 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:56:25,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:56:25,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 12:56:25,067 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:56:25,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 12:56:25,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 12:56:25,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 12:56:25,069 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-11-07 12:56:26,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:26,629 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-11-07 12:56:26,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 12:56:26,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-11-07 12:56:26,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:26,633 INFO L225 Difference]: With dead ends: 901 [2018-11-07 12:56:26,633 INFO L226 Difference]: Without dead ends: 380 [2018-11-07 12:56:26,635 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 12:56:26,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-07 12:56:26,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-07 12:56:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-07 12:56:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-11-07 12:56:26,661 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 159 [2018-11-07 12:56:26,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:26,662 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-11-07 12:56:26,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 12:56:26,662 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-11-07 12:56:26,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-07 12:56:26,670 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:26,670 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:26,670 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:26,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:26,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1751281726, now seen corresponding path program 1 times [2018-11-07 12:56:26,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:26,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:26,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:26,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:26,674 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:26,947 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:56:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:56:27,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:56:27,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:56:27,289 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:56:27,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:56:27,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:56:27,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:56:27,290 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-11-07 12:56:30,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:30,407 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-11-07 12:56:30,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 12:56:30,407 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2018-11-07 12:56:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:30,414 INFO L225 Difference]: With dead ends: 1193 [2018-11-07 12:56:30,414 INFO L226 Difference]: Without dead ends: 819 [2018-11-07 12:56:30,416 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:56:30,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-07 12:56:30,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-11-07 12:56:30,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-07 12:56:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-11-07 12:56:30,469 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 167 [2018-11-07 12:56:30,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:30,470 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-11-07 12:56:30,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:56:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-11-07 12:56:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-07 12:56:30,474 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:30,474 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:30,475 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:30,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:30,475 INFO L82 PathProgramCache]: Analyzing trace with hash 526148798, now seen corresponding path program 1 times [2018-11-07 12:56:30,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:30,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:30,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:30,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:30,477 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:56:30,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:56:30,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 12:56:30,778 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:56:30,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 12:56:30,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 12:56:30,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 12:56:30,779 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-11-07 12:56:31,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:31,814 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-11-07 12:56:31,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 12:56:31,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2018-11-07 12:56:31,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:31,826 INFO L225 Difference]: With dead ends: 1753 [2018-11-07 12:56:31,826 INFO L226 Difference]: Without dead ends: 804 [2018-11-07 12:56:31,830 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 12:56:31,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-07 12:56:31,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-11-07 12:56:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-07 12:56:31,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-11-07 12:56:31,865 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 169 [2018-11-07 12:56:31,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:31,865 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-11-07 12:56:31,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 12:56:31,865 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-11-07 12:56:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-07 12:56:31,869 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:31,870 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:31,870 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:31,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:31,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1751938630, now seen corresponding path program 1 times [2018-11-07 12:56:31,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:31,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:31,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:31,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:31,875 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:56:32,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:56:32,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 12:56:32,243 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:56:32,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 12:56:32,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 12:56:32,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 12:56:32,244 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-11-07 12:56:33,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:33,734 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-11-07 12:56:33,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 12:56:33,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2018-11-07 12:56:33,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:33,741 INFO L225 Difference]: With dead ends: 1747 [2018-11-07 12:56:33,741 INFO L226 Difference]: Without dead ends: 801 [2018-11-07 12:56:33,746 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 12:56:33,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-11-07 12:56:33,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-11-07 12:56:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-07 12:56:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-11-07 12:56:33,777 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 171 [2018-11-07 12:56:33,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:33,778 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-11-07 12:56:33,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 12:56:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-11-07 12:56:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-07 12:56:33,782 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:33,782 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:33,783 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:33,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:33,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1260045234, now seen corresponding path program 1 times [2018-11-07 12:56:33,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:33,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:33,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:33,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:33,788 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:34,032 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 12:56:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:56:34,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:56:34,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:56:34,182 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:56:34,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:56:34,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:56:34,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:56:34,183 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-11-07 12:56:35,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:35,282 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-11-07 12:56:35,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 12:56:35,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2018-11-07 12:56:35,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:35,295 INFO L225 Difference]: With dead ends: 2381 [2018-11-07 12:56:35,296 INFO L226 Difference]: Without dead ends: 1586 [2018-11-07 12:56:35,300 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:56:35,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-11-07 12:56:35,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-11-07 12:56:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-11-07 12:56:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-11-07 12:56:35,355 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 175 [2018-11-07 12:56:35,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:35,355 INFO L480 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-11-07 12:56:35,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:56:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-11-07 12:56:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-07 12:56:35,363 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:35,363 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:35,363 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:35,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:35,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1346398007, now seen corresponding path program 1 times [2018-11-07 12:56:35,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:35,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:35,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:35,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:35,365 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:35,638 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 12:56:35,983 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-07 12:56:36,220 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-07 12:56:36,367 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:56:36,367 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:56:36,368 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:56:36,369 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-11-07 12:56:36,371 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [823], [825], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:56:36,418 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:56:36,418 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:56:38,526 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:56:38,528 INFO L272 AbstractInterpreter]: Visited 149 different actions 443 times. Merged at 7 different actions 20 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:56:38,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:38,577 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:56:38,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:56:38,578 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 12:56:38,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:38,600 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:56:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:38,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:56:39,077 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:56:39,078 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:56:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:56:39,682 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:56:39,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-07 12:56:39,682 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:56:39,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:56:39,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:56:39,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:56:39,684 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 3 states. [2018-11-07 12:56:42,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:56:42,400 INFO L93 Difference]: Finished difference Result 4406 states and 6474 transitions. [2018-11-07 12:56:42,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:56:42,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2018-11-07 12:56:42,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:56:42,414 INFO L225 Difference]: With dead ends: 4406 [2018-11-07 12:56:42,414 INFO L226 Difference]: Without dead ends: 1398 [2018-11-07 12:56:42,427 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 362 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-07 12:56:42,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2018-11-07 12:56:42,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1396. [2018-11-07 12:56:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1396 states. [2018-11-07 12:56:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1807 transitions. [2018-11-07 12:56:42,471 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1807 transitions. Word has length 181 [2018-11-07 12:56:42,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:56:42,471 INFO L480 AbstractCegarLoop]: Abstraction has 1396 states and 1807 transitions. [2018-11-07 12:56:42,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:56:42,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1807 transitions. [2018-11-07 12:56:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-07 12:56:42,478 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:56:42,479 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:56:42,479 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:56:42,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:42,480 INFO L82 PathProgramCache]: Analyzing trace with hash 377204802, now seen corresponding path program 1 times [2018-11-07 12:56:42,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:56:42,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:42,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:56:42,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:56:42,481 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:56:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:56:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:56:42,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:56:42,944 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:56:42,944 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-11-07 12:56:42,945 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [823], [825], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:56:42,966 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:56:42,966 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:56:43,701 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:56:43,701 INFO L272 AbstractInterpreter]: Visited 148 different actions 292 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 12:56:43,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:56:43,739 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:56:44,539 INFO L227 lantSequenceWeakener]: Weakened 122 states. On average, predicates are now at 81.5% of their original sizes. [2018-11-07 12:56:44,539 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:56:47,071 INFO L415 sIntCurrentIteration]: We unified 212 AI predicates to 212 [2018-11-07 12:56:47,072 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:56:47,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:56:47,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 12:56:47,073 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:56:47,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 12:56:47,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 12:56:47,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 12:56:47,074 INFO L87 Difference]: Start difference. First operand 1396 states and 1807 transitions. Second operand 18 states. [2018-11-07 12:57:03,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:57:03,168 INFO L93 Difference]: Finished difference Result 3692 states and 4786 transitions. [2018-11-07 12:57:03,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 12:57:03,168 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 213 [2018-11-07 12:57:03,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:57:03,179 INFO L225 Difference]: With dead ends: 3692 [2018-11-07 12:57:03,179 INFO L226 Difference]: Without dead ends: 2302 [2018-11-07 12:57:03,183 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-11-07 12:57:03,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2018-11-07 12:57:03,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 2292. [2018-11-07 12:57:03,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2292 states. [2018-11-07 12:57:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 2851 transitions. [2018-11-07 12:57:03,246 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 2851 transitions. Word has length 213 [2018-11-07 12:57:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:57:03,247 INFO L480 AbstractCegarLoop]: Abstraction has 2292 states and 2851 transitions. [2018-11-07 12:57:03,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 12:57:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2851 transitions. [2018-11-07 12:57:03,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-07 12:57:03,256 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:57:03,257 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 12:57:03,257 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:57:03,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:57:03,258 INFO L82 PathProgramCache]: Analyzing trace with hash 626008190, now seen corresponding path program 1 times [2018-11-07 12:57:03,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:57:03,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:03,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:57:03,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:57:03,259 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:57:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:57:03,688 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-07 12:57:03,976 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-11-07 12:57:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 67 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:57:04,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:57:04,084 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:57:04,085 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-11-07 12:57:04,085 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [823], [825], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 12:57:04,090 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:57:04,090 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:57:04,591 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 12:57:04,591 INFO L272 AbstractInterpreter]: Visited 149 different actions 443 times. Merged at 7 different actions 20 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 12:57:04,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:57:04,593 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 12:57:04,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:57:04,593 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 12:57:04,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:57:04,602 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 12:57:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:57:04,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 12:57:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:57:04,817 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 12:57:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 12:57:04,973 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:57:04,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 11 [2018-11-07 12:57:04,973 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:57:04,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 12:57:04,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 12:57:04,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:57:04,976 INFO L87 Difference]: Start difference. First operand 2292 states and 2851 transitions. Second operand 3 states. [2018-11-07 12:57:05,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:57:05,561 INFO L93 Difference]: Finished difference Result 5015 states and 6314 transitions. [2018-11-07 12:57:05,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 12:57:05,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2018-11-07 12:57:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:57:05,563 INFO L225 Difference]: With dead ends: 5015 [2018-11-07 12:57:05,563 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 12:57:05,575 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 456 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:57:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 12:57:05,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 12:57:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 12:57:05,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 12:57:05,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2018-11-07 12:57:05,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:57:05,576 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 12:57:05,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 12:57:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 12:57:05,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 12:57:05,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 12:57:05,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:57:05,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 12:57:05,924 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2018-11-07 12:57:07,240 WARN L179 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 167 DAG size of output: 94 [2018-11-07 12:57:07,368 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 39 [2018-11-07 12:57:07,631 WARN L179 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 39 [2018-11-07 12:57:07,634 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:57:07,635 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a25~0)| ~a25~0)) [2018-11-07 12:57:07,635 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:57:07,635 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,635 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,635 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,635 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,635 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,636 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 12:57:07,636 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 12:57:07,636 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 12:57:07,636 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 12:57:07,636 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 12:57:07,636 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 12:57:07,636 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 12:57:07,636 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 12:57:07,637 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 12:57:07,637 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 12:57:07,637 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:57:07,637 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 12:57:07,637 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 12:57:07,637 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,637 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,637 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,637 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,638 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,638 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 12:57:07,638 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 12:57:07,638 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 12:57:07,638 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 12:57:07,638 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 12:57:07,638 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 12:57:07,638 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 12:57:07,638 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 12:57:07,639 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:57:07,639 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 12:57:07,639 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 12:57:07,639 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 12:57:07,639 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 12:57:07,639 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:57:07,639 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 12:57:07,639 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 12:57:07,639 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,640 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,640 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,640 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,640 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,640 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:57:07,640 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 12:57:07,640 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 12:57:07,640 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 12:57:07,641 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 12:57:07,641 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 12:57:07,641 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 12:57:07,641 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 12:57:07,641 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 12:57:07,641 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 12:57:07,641 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 12:57:07,641 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,641 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,642 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,642 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,642 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,642 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 12:57:07,642 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 12:57:07,642 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 12:57:07,642 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 12:57:07,642 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 12:57:07,643 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 12:57:07,643 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 12:57:07,643 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 12:57:07,643 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 12:57:07,643 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 12:57:07,643 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 12:57:07,643 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 12:57:07,643 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 12:57:07,643 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,644 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,644 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,644 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,644 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,644 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 12:57:07,644 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 12:57:07,644 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 12:57:07,644 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 12:57:07,645 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:57:07,646 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,647 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:57:07,647 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 12:57:07,647 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 12:57:07,647 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,647 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,647 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 12:57:07,647 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 12:57:07,647 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 12:57:07,647 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 12:57:07,648 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 12:57:07,648 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 12:57:07,648 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 12:57:07,648 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 12:57:07,648 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 12:57:07,648 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 12:57:07,648 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 12:57:07,648 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,648 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,649 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,649 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,649 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,649 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,649 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 12:57:07,649 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 12:57:07,649 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 12:57:07,649 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 12:57:07,649 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,650 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 12:57:07,651 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 12:57:07,652 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 12:57:07,652 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 12:57:07,652 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 12:57:07,652 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 12:57:07,652 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 12:57:07,652 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 12:57:07,652 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 583) no Hoare annotation was computed. [2018-11-07 12:57:07,652 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,653 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,653 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,653 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,653 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= 1 |old(~a11~0)|)) (.cse13 (= 1 |old(~a19~0)|)) (.cse14 (= 1 |old(~a25~0)|))) (let ((.cse4 (not (= 7 |old(~a28~0)|))) (.cse5 (not .cse14)) (.cse6 (not .cse13)) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse8 (= 1 ~a11~0)) (.cse12 (= 8 ~a17~0)) (.cse9 (= 1 ~a19~0)) (.cse7 (not .cse1)) (.cse0 (not (= 1 ~a21~0))) (.cse2 (= |old(~a28~0)| ~a28~0)) (.cse3 (= |old(~a25~0)| ~a25~0))) (and (or .cse0 .cse1 (and .cse2 .cse3 (not (= ~a11~0 1)))) (or .cse0 .cse4 .cse5 .cse6 .cse7 (and .cse8 (= 7 ~a17~0) .cse9) (not (= 7 |old(~a17~0)|))) (or .cse0 (< 9 |old(~a28~0)|) (and .cse2 .cse3)) (or (< 6 |calculate_output_#in~input|) (let ((.cse10 (not (= 0 |old(~a11~0)|)))) (and (or .cse0 .cse10 (not (= 0 |old(~a25~0)|))) (or .cse0 (< |old(~a28~0)| 8) .cse10))) (< |old(~a25~0)| 0) (< |old(~a28~0)| 7) .cse6 (< 1 |old(~a25~0)|) (< 11 |old(~a28~0)|) .cse11 (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1)) (< |calculate_output_#in~input| 1)) (or (and .cse8 .cse12 .cse9 .cse3 (= 10 ~a28~0)) .cse0 (not (= 10 |old(~a28~0)|)) .cse5 .cse6 .cse11 .cse7) (or .cse13 .cse0 .cse4 .cse11 (and .cse8 .cse12 (not .cse9)) .cse7 .cse14) (or .cse0 .cse5 .cse6 .cse11 (and .cse8 .cse12 .cse9) (not (= 9 |old(~a28~0)|)) .cse7) (or .cse0 (and .cse2 (<= ~a17~0 7) .cse3) (< 7 |old(~a17~0)|))))) [2018-11-07 12:57:07,653 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,654 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,654 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 12:57:07,654 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 12:57:07,654 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 12:57:07,654 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 12:57:07,654 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 12:57:07,654 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 12:57:07,654 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 12:57:07,654 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 12:57:07,655 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 12:57:07,655 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 12:57:07,655 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 12:57:07,655 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 12:57:07,655 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 12:57:07,655 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,655 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,655 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,655 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,656 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,656 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,656 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 12:57:07,656 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 12:57:07,656 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 12:57:07,656 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 12:57:07,656 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 12:57:07,656 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 12:57:07,656 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 12:57:07,657 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 12:57:07,658 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 12:57:07,659 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:57:07,660 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 12:57:07,660 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 12:57:07,660 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 12:57:07,660 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 12:57:07,660 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-07 12:57:07,660 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 12:57:07,660 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 12:57:07,661 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= |old(~a25~0)| ~a25~0) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-11-07 12:57:07,661 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 12:57:07,661 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (<= ~a28~0 9) (not (= 0 |old(~a11~0)|)) (not (= ~a11~0 1)) (<= ~a17~0 7) (not (= 1 |old(~a19~0)|)) (and (= 1 ~a25~0) (= 8 ~a17~0) (= 1 ~a19~0) (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-07 12:57:07,661 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:57:07,661 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 12:57:07,661 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (<= ~a28~0 9) (not (= 0 |old(~a11~0)|)) (not (= ~a11~0 1)) (<= ~a17~0 7) (not (= 1 |old(~a19~0)|)) (and (= 1 ~a25~0) (= 8 ~a17~0) (= 1 ~a19~0) (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-07 12:57:07,661 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 12:57:07,661 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 12:57:07,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:57:07 BoogieIcfgContainer [2018-11-07 12:57:07,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 12:57:07,677 INFO L168 Benchmark]: Toolchain (without parser) took 52289.45 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-11-07 12:57:07,681 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 12:57:07,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 12:57:07,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2018-11-07 12:57:07,684 INFO L168 Benchmark]: Boogie Preprocessor took 118.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2018-11-07 12:57:07,685 INFO L168 Benchmark]: RCFGBuilder took 3536.56 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 115.9 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. [2018-11-07 12:57:07,685 INFO L168 Benchmark]: TraceAbstraction took 47751.04 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 684.7 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -550.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-07 12:57:07,696 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 755.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 122.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3536.56 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 115.9 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47751.04 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 684.7 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -550.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 583]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || a28 <= 9) || !(0 == \old(a11))) || !(a11 == 1)) || a17 <= 7) || !(1 == \old(a19))) || (((1 == a25 && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 47.6s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 30.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1380 SDtfs, 5080 SDslu, 977 SDs, 0 SdLazy, 7585 SolverSat, 1427 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1123 GetRequests, 1036 SyntacticMatches, 12 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2292occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.998029817910506 AbsIntWeakeningRatio, 0.16981132075471697 AbsIntAvgWeakeningVarsNumRemoved, 22.87735849056604 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 52 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 84 PreInvPairs, 142 NumberOfFragments, 434 HoareAnnotationTreeSize, 84 FomulaSimplifications, 3100 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2399 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 2169 NumberOfCodeBlocks, 2169 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2564 ConstructedInterpolants, 0 QuantifiedInterpolants, 2339551 SizeOfPredicates, 4 NumberOfNonLiveVariables, 921 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 552/598 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...