java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:41:04,514 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:41:04,516 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:41:04,532 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:41:04,533 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:41:04,534 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:41:04,535 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:41:04,537 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:41:04,539 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:41:04,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:41:04,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:41:04,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:41:04,542 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:41:04,543 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:41:04,544 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:41:04,545 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:41:04,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:41:04,547 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:41:04,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:41:04,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:41:04,552 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:41:04,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:41:04,560 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:41:04,560 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:41:04,561 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:41:04,562 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:41:04,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:41:04,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:41:04,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:41:04,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:41:04,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:41:04,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:41:04,574 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:41:04,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:41:04,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:41:04,576 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:41:04,576 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:41:04,608 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:41:04,608 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:41:04,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:41:04,613 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:41:04,613 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:41:04,613 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:41:04,614 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:41:04,614 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:41:04,614 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:41:04,614 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:41:04,614 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:41:04,615 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:41:04,615 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:41:04,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:41:04,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:41:04,616 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:41:04,616 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:41:04,618 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:41:04,618 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:41:04,618 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:41:04,618 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:41:04,618 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:41:04,619 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:41:04,619 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:41:04,619 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:41:04,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:41:04,620 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:41:04,620 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:41:04,620 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:41:04,620 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:41:04,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:41:04,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:41:04,621 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:41:04,621 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:41:04,621 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:41:04,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:41:04,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:41:04,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:41:04,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:41:04,701 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:41:04,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-07 18:41:04,765 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f2d23df/6c877d0829e94b049045fcc4671dd4c2/FLAGdc114818c [2018-11-07 18:41:05,403 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:41:05,404 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-07 18:41:05,424 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f2d23df/6c877d0829e94b049045fcc4671dd4c2/FLAGdc114818c [2018-11-07 18:41:05,441 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03f2d23df/6c877d0829e94b049045fcc4671dd4c2 [2018-11-07 18:41:05,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:41:05,454 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:41:05,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:41:05,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:41:05,459 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:41:05,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:41:05" (1/1) ... [2018-11-07 18:41:05,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a21f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:05, skipping insertion in model container [2018-11-07 18:41:05,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:41:05" (1/1) ... [2018-11-07 18:41:05,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:41:05,555 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:41:06,117 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:41:06,121 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:41:06,223 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:41:06,241 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:41:06,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06 WrapperNode [2018-11-07 18:41:06,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:41:06,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:41:06,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:41:06,243 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:41:06,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (1/1) ... [2018-11-07 18:41:06,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (1/1) ... [2018-11-07 18:41:06,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:41:06,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:41:06,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:41:06,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:41:06,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (1/1) ... [2018-11-07 18:41:06,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (1/1) ... [2018-11-07 18:41:06,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (1/1) ... [2018-11-07 18:41:06,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (1/1) ... [2018-11-07 18:41:06,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (1/1) ... [2018-11-07 18:41:06,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (1/1) ... [2018-11-07 18:41:06,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (1/1) ... [2018-11-07 18:41:06,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:41:06,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:41:06,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:41:06,477 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:41:06,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (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 18:41:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:41:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:41:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:41:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:41:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:41:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:41:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:41:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:41:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:41:10,182 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:41:10,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:41:10 BoogieIcfgContainer [2018-11-07 18:41:10,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:41:10,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:41:10,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:41:10,189 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:41:10,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:41:05" (1/3) ... [2018-11-07 18:41:10,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6390008f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:41:10, skipping insertion in model container [2018-11-07 18:41:10,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:06" (2/3) ... [2018-11-07 18:41:10,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6390008f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:41:10, skipping insertion in model container [2018-11-07 18:41:10,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:41:10" (3/3) ... [2018-11-07 18:41:10,196 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-11-07 18:41:10,206 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:41:10,221 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:41:10,243 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:41:10,299 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:41:10,299 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:41:10,299 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:41:10,299 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:41:10,300 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:41:10,300 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:41:10,300 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:41:10,300 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:41:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 18:41:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-07 18:41:10,357 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:10,359 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] [2018-11-07 18:41:10,361 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:10,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:10,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1784134456, now seen corresponding path program 1 times [2018-11-07 18:41:10,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:10,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:10,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:10,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:10,424 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:10,987 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:41:11,057 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 18:41:11,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:11,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:41:11,060 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:11,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:41:11,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:41:11,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:11,087 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 18:41:12,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:12,577 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 18:41:12,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:41:12,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-07 18:41:12,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:12,598 INFO L225 Difference]: With dead ends: 550 [2018-11-07 18:41:12,598 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 18:41:12,605 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 18:41:12,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 18:41:12,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 18:41:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 18:41:12,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-07 18:41:12,682 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 92 [2018-11-07 18:41:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:12,683 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-07 18:41:12,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:41:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-07 18:41:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-07 18:41:12,690 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:12,690 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:41:12,690 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:12,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:12,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1017763991, now seen corresponding path program 1 times [2018-11-07 18:41:12,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:12,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:12,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:12,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:12,693 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:13,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:13,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:41:13,051 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:13,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:41:13,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:41:13,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:41:13,054 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-07 18:41:15,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:15,380 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-07 18:41:15,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:41:15,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-07 18:41:15,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:15,388 INFO L225 Difference]: With dead ends: 888 [2018-11-07 18:41:15,389 INFO L226 Difference]: Without dead ends: 554 [2018-11-07 18:41:15,392 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 18:41:15,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-07 18:41:15,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-07 18:41:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-07 18:41:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-07 18:41:15,445 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 103 [2018-11-07 18:41:15,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:15,445 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-07 18:41:15,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:41:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-07 18:41:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-07 18:41:15,451 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:15,452 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:41:15,452 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:15,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:15,453 INFO L82 PathProgramCache]: Analyzing trace with hash 869358827, now seen corresponding path program 1 times [2018-11-07 18:41:15,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:15,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:15,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:15,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:15,455 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:15,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:15,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:41:15,690 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:15,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:41:15,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:41:15,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:15,691 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-11-07 18:41:16,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:16,764 INFO L93 Difference]: Finished difference Result 1530 states and 2432 transitions. [2018-11-07 18:41:16,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:41:16,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-11-07 18:41:16,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:16,774 INFO L225 Difference]: With dead ends: 1530 [2018-11-07 18:41:16,774 INFO L226 Difference]: Without dead ends: 997 [2018-11-07 18:41:16,778 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-11-07 18:41:16,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-11-07 18:41:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-11-07 18:41:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1488 transitions. [2018-11-07 18:41:16,829 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1488 transitions. Word has length 104 [2018-11-07 18:41:16,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:16,830 INFO L480 AbstractCegarLoop]: Abstraction has 997 states and 1488 transitions. [2018-11-07 18:41:16,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:41:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1488 transitions. [2018-11-07 18:41:16,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-07 18:41:16,842 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:16,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:16,844 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:16,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:16,845 INFO L82 PathProgramCache]: Analyzing trace with hash -58190001, now seen corresponding path program 1 times [2018-11-07 18:41:16,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:16,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:16,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:16,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:16,847 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:17,098 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:41:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:17,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:17,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:41:17,200 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:17,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:41:17,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:41:17,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:41:17,204 INFO L87 Difference]: Start difference. First operand 997 states and 1488 transitions. Second operand 6 states. [2018-11-07 18:41:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:20,356 INFO L93 Difference]: Finished difference Result 2927 states and 4616 transitions. [2018-11-07 18:41:20,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:41:20,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-11-07 18:41:20,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:20,380 INFO L225 Difference]: With dead ends: 2927 [2018-11-07 18:41:20,380 INFO L226 Difference]: Without dead ends: 1936 [2018-11-07 18:41:20,387 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:41:20,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-11-07 18:41:20,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1881. [2018-11-07 18:41:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-11-07 18:41:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2656 transitions. [2018-11-07 18:41:20,482 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2656 transitions. Word has length 118 [2018-11-07 18:41:20,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:20,482 INFO L480 AbstractCegarLoop]: Abstraction has 1881 states and 2656 transitions. [2018-11-07 18:41:20,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:41:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2656 transitions. [2018-11-07 18:41:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 18:41:20,490 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:20,490 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:20,490 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:20,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:20,491 INFO L82 PathProgramCache]: Analyzing trace with hash -2017463946, now seen corresponding path program 1 times [2018-11-07 18:41:20,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:20,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:20,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:20,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:20,492 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:20,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:20,694 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:20,695 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-07 18:41:20,697 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:20,747 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:20,747 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:41:22,035 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:41:22,036 INFO L272 AbstractInterpreter]: Visited 96 different actions 161 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:41:22,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:22,097 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:41:22,836 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 80.02% of their original sizes. [2018-11-07 18:41:22,836 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:41:23,792 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-11-07 18:41:23,792 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:41:23,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:41:23,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 18:41:23,794 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:23,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:41:23,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:41:23,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:41:23,796 INFO L87 Difference]: Start difference. First operand 1881 states and 2656 transitions. Second operand 11 states. [2018-11-07 18:41:38,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:38,514 INFO L93 Difference]: Finished difference Result 4979 states and 7062 transitions. [2018-11-07 18:41:38,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:41:38,515 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2018-11-07 18:41:38,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:38,532 INFO L225 Difference]: With dead ends: 4979 [2018-11-07 18:41:38,532 INFO L226 Difference]: Without dead ends: 3104 [2018-11-07 18:41:38,541 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-11-07 18:41:38,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2018-11-07 18:41:38,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 3071. [2018-11-07 18:41:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3071 states. [2018-11-07 18:41:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 3991 transitions. [2018-11-07 18:41:38,633 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 3991 transitions. Word has length 136 [2018-11-07 18:41:38,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:38,633 INFO L480 AbstractCegarLoop]: Abstraction has 3071 states and 3991 transitions. [2018-11-07 18:41:38,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:41:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3991 transitions. [2018-11-07 18:41:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-07 18:41:38,641 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:38,642 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:38,642 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:38,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:38,643 INFO L82 PathProgramCache]: Analyzing trace with hash -970438447, now seen corresponding path program 1 times [2018-11-07 18:41:38,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:38,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:38,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:38,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:38,645 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:39,095 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 18:41:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 18:41:39,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:39,275 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:39,275 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-07 18:41:39,276 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:39,287 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:39,287 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:41:39,931 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:41:39,931 INFO L272 AbstractInterpreter]: Visited 97 different actions 164 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:41:39,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:39,933 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:41:40,450 INFO L227 lantSequenceWeakener]: Weakened 58 states. On average, predicates are now at 80.6% of their original sizes. [2018-11-07 18:41:40,450 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:41:41,392 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-07 18:41:41,392 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:41:41,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:41:41,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-07 18:41:41,393 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:41,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-07 18:41:41,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-07 18:41:41,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:41:41,395 INFO L87 Difference]: Start difference. First operand 3071 states and 3991 transitions. Second operand 19 states. [2018-11-07 18:41:58,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:58,879 INFO L93 Difference]: Finished difference Result 6421 states and 8375 transitions. [2018-11-07 18:41:58,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-07 18:41:58,880 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 149 [2018-11-07 18:41:58,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:58,895 INFO L225 Difference]: With dead ends: 6421 [2018-11-07 18:41:58,896 INFO L226 Difference]: Without dead ends: 3492 [2018-11-07 18:41:58,906 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 160 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:41:58,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states. [2018-11-07 18:41:58,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 3482. [2018-11-07 18:41:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3482 states. [2018-11-07 18:41:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 3482 states and 4444 transitions. [2018-11-07 18:41:59,004 INFO L78 Accepts]: Start accepts. Automaton has 3482 states and 4444 transitions. Word has length 149 [2018-11-07 18:41:59,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:59,005 INFO L480 AbstractCegarLoop]: Abstraction has 3482 states and 4444 transitions. [2018-11-07 18:41:59,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-07 18:41:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 4444 transitions. [2018-11-07 18:41:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-07 18:41:59,014 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:59,014 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:59,015 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:59,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:59,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1340018050, now seen corresponding path program 1 times [2018-11-07 18:41:59,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:59,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:59,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:59,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:59,017 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 18:41:59,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:59,317 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:59,318 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-07 18:41:59,318 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:59,322 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:59,323 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:42:00,602 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:42:00,602 INFO L272 AbstractInterpreter]: Visited 99 different actions 471 times. Merged at 9 different actions 46 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:42:00,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:00,613 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:42:00,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:00,613 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 18:42:00,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:00,626 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:42:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:00,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:42:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-07 18:42:01,319 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:42:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 18:42:02,413 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:42:02,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-07 18:42:02,414 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:42:02,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 18:42:02,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 18:42:02,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:42:02,416 INFO L87 Difference]: Start difference. First operand 3482 states and 4444 transitions. Second operand 8 states. [2018-11-07 18:42:08,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:08,016 INFO L93 Difference]: Finished difference Result 12383 states and 17508 transitions. [2018-11-07 18:42:08,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 18:42:08,020 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2018-11-07 18:42:08,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:08,063 INFO L225 Difference]: With dead ends: 12383 [2018-11-07 18:42:08,063 INFO L226 Difference]: Without dead ends: 6865 [2018-11-07 18:42:08,112 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-07 18:42:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6865 states. [2018-11-07 18:42:08,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6865 to 6710. [2018-11-07 18:42:08,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6710 states. [2018-11-07 18:42:08,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6710 states to 6710 states and 8088 transitions. [2018-11-07 18:42:08,327 INFO L78 Accepts]: Start accepts. Automaton has 6710 states and 8088 transitions. Word has length 161 [2018-11-07 18:42:08,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:08,327 INFO L480 AbstractCegarLoop]: Abstraction has 6710 states and 8088 transitions. [2018-11-07 18:42:08,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 18:42:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 6710 states and 8088 transitions. [2018-11-07 18:42:08,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-07 18:42:08,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:08,347 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:08,347 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:08,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:08,348 INFO L82 PathProgramCache]: Analyzing trace with hash -684471189, now seen corresponding path program 1 times [2018-11-07 18:42:08,348 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:08,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:08,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:08,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:08,349 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 107 proven. 49 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:42:08,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:08,763 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:42:08,763 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-11-07 18:42:08,763 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:42:08,768 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:42:08,768 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:42:10,340 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:42:10,341 INFO L272 AbstractInterpreter]: Visited 98 different actions 360 times. Merged at 8 different actions 28 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-07 18:42:10,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:10,378 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:42:10,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:10,379 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 18:42:10,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:10,396 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:42:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:10,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:42:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-07 18:42:11,138 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:42:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 113 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-07 18:42:12,272 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:42:12,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-07 18:42:12,272 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:42:12,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 18:42:12,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 18:42:12,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:42:12,274 INFO L87 Difference]: Start difference. First operand 6710 states and 8088 transitions. Second operand 12 states. [2018-11-07 18:42:18,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:18,963 INFO L93 Difference]: Finished difference Result 25025 states and 33491 transitions. [2018-11-07 18:42:18,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-07 18:42:18,965 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 202 [2018-11-07 18:42:18,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:18,965 INFO L225 Difference]: With dead ends: 25025 [2018-11-07 18:42:18,965 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:42:19,051 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=479, Invalid=1873, Unknown=0, NotChecked=0, Total=2352 [2018-11-07 18:42:19,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:42:19,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:42:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:42:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:42:19,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2018-11-07 18:42:19,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:19,053 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:42:19,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 18:42:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:42:19,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:42:19,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:42:19,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:19,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:20,968 WARN L179 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 496 DAG size of output: 364 [2018-11-07 18:42:21,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:21,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:22,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:22,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:22,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:22,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:22,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:22,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:22,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:22,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:22,089 WARN L179 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 475 DAG size of output: 342 [2018-11-07 18:42:22,312 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2018-11-07 18:42:22,790 WARN L179 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 86 [2018-11-07 18:42:24,889 WARN L179 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 476 DAG size of output: 89 [2018-11-07 18:42:27,534 WARN L179 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 384 DAG size of output: 98 [2018-11-07 18:42:29,366 WARN L179 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 366 DAG size of output: 98 [2018-11-07 18:42:29,370 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:42:29,370 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-07 18:42:29,370 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:42:29,370 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 18:42:29,370 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 18:42:29,370 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,371 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,371 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,371 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,371 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,371 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,371 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 18:42:29,371 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 18:42:29,371 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 18:42:29,371 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 18:42:29,372 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 18:42:29,372 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 18:42:29,372 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 18:42:29,372 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 18:42:29,372 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 18:42:29,372 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 18:42:29,372 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,372 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,373 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,373 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,373 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,373 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,373 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 18:42:29,373 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 18:42:29,373 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 18:42:29,373 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 18:42:29,373 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 18:42:29,374 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 18:42:29,374 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 18:42:29,374 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 18:42:29,374 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 18:42:29,374 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 18:42:29,374 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 18:42:29,374 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 18:42:29,374 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 18:42:29,374 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 18:42:29,375 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 18:42:29,375 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,375 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,375 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,375 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,375 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,375 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 18:42:29,375 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 18:42:29,375 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,376 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,377 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,377 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 18:42:29,377 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 18:42:29,377 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 18:42:29,377 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 18:42:29,377 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 18:42:29,377 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 18:42:29,377 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 18:42:29,377 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 18:42:29,378 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 18:42:29,378 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 18:42:29,378 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 18:42:29,378 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 18:42:29,378 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 18:42:29,378 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,378 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,378 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,378 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,379 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,379 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 18:42:29,379 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 18:42:29,379 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 18:42:29,379 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 18:42:29,379 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 18:42:29,379 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-11-07 18:42:29,380 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 18:42:29,380 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 18:42:29,380 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 18:42:29,380 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 18:42:29,380 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,380 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,380 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,380 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,380 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,381 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,381 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,381 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 18:42:29,381 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 18:42:29,381 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 18:42:29,381 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 18:42:29,381 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 18:42:29,381 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 18:42:29,381 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,382 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 18:42:29,383 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 18:42:29,384 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 18:42:29,385 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 18:42:29,385 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 18:42:29,385 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 18:42:29,385 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 18:42:29,385 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 18:42:29,385 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= 1 |old(~a17~0)|)) (.cse15 (= |old(~a8~0)| ~a8~0)) (.cse18 (= |old(~a20~0)| ~a20~0)) (.cse19 (= ~a17~0 |old(~a17~0)|)) (.cse16 (= |old(~a16~0)| ~a16~0))) (let ((.cse10 (and (= 1 ~a7~0) .cse15 .cse18 .cse19 .cse16)) (.cse11 (not (= 1 |old(~a7~0)|))) (.cse4 (< 6 |calculate_output_#in~input|)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (not (= 8 ~a12~0))) (.cse2 (= ~a21~0 1)) (.cse6 (< 1 |old(~a7~0)|)) (.cse7 (< |old(~a7~0)| 0)) (.cse8 (< |calculate_output_#in~input| 1)) (.cse5 (not (= 1 |old(~a20~0)|))) (.cse3 (not .cse12)) (.cse9 (= 6 |old(~a16~0)|)) (.cse17 (= 4 |old(~a16~0)|)) (.cse13 (and .cse14 .cse15 .cse18 .cse19 .cse16))) (and (or (not (= 0 |old(~a7~0)|)) .cse0 .cse1 (< 1 |old(~a20~0)|) .cse2 (< |old(~a20~0)| 0) .cse3 (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|))) (or .cse4 .cse0 .cse1 .cse3 .cse5 .cse6 (= ~a17~0 1) .cse7 .cse8) (or .cse9 .cse10 .cse11) (or .cse9 .cse12 .cse13) (or .cse10 (not (= |old(~a20~0)| 1)) .cse11 (< 0 |old(~a17~0)|)) (or .cse4 .cse0 (< 15 |old(~a8~0)|) .cse1 .cse3 .cse2 .cse5 (< 5 |old(~a16~0)|) (< |old(~a16~0)| 4) .cse6 (< |old(~a8~0)| 13) .cse7 .cse8) (or .cse9 (and .cse14 .cse15 (= 1 ~a20~0) .cse16) .cse5) (or .cse13 .cse17 .cse5 .cse3) (or .cse9 .cse17 (and .cse14 .cse15 .cse16)) (or .cse13 (= 13 |old(~a8~0)|))))) [2018-11-07 18:42:29,385 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 18:42:29,386 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 18:42:29,387 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 18:42:29,387 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 18:42:29,387 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 18:42:29,387 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 18:42:29,387 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 18:42:29,387 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 18:42:29,387 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 18:42:29,387 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 18:42:29,387 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 18:42:29,388 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,388 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,388 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,388 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,388 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,388 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,388 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 18:42:29,388 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 18:42:29,388 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 18:42:29,389 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 18:42:29,389 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 18:42:29,389 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 18:42:29,389 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 18:42:29,389 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 18:42:29,389 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 18:42:29,389 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 18:42:29,389 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,390 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:29,391 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 18:42:29,391 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 18:42:29,391 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 18:42:29,391 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 18:42:29,391 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 18:42:29,391 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 18:42:29,391 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 18:42:29,391 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 18:42:29,391 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 18:42:29,392 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 18:42:29,392 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:42:29,392 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 18:42:29,392 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:42:29,392 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:42:29,392 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a21~0 1) (= ~a16~0 5) (= ~a8~0 15) (= ~a7~0 0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:42:29,392 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:42:29,393 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse1 (not (= ~a16~0 4))) (.cse0 (= 1 ~a20~0)) (.cse4 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6)))) (or (and .cse0 (= ~a17~0 |old(~a17~0)|) .cse1) (not (= 1 |old(~a21~0)|)) (and .cse2 .cse0 .cse3) (not (= 4 ~d~0)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= 22 ~v~0)) (and .cse2 .cse3 .cse1) (not (= ~c~0 3)) (not (= 1 ~a~0)) (not (= 5 |old(~a16~0)|)) (not (= ~u~0 21)) (and .cse4 .cse0 (<= ~a17~0 0)) (not (= |old(~a7~0)| 0)) (not (= ~a8~0 13)) (not (= 26 ~z~0)) (and .cse3 (not (= ~a17~0 1))) (and .cse4 .cse3) (not (= 8 ~a12~0)) (not (= 2 ~b~0)) (not (= 25 ~y~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0)))) [2018-11-07 18:42:29,393 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 18:42:29,393 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 18:42:29,393 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 18:42:29,393 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse1 (not (= ~a16~0 4))) (.cse0 (= 1 ~a20~0)) (.cse4 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6)))) (or (and .cse0 (= ~a17~0 |old(~a17~0)|) .cse1) (not (= 1 |old(~a21~0)|)) (and .cse2 .cse0 .cse3) (not (= 4 ~d~0)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= 22 ~v~0)) (and .cse2 .cse3 .cse1) (not (= ~c~0 3)) (not (= 1 ~a~0)) (not (= 5 |old(~a16~0)|)) (not (= ~u~0 21)) (and .cse4 .cse0 (<= ~a17~0 0)) (not (= |old(~a7~0)| 0)) (not (= ~a8~0 13)) (not (= 26 ~z~0)) (and .cse3 (not (= ~a17~0 1))) (and .cse4 .cse3) (not (= 8 ~a12~0)) (not (= 2 ~b~0)) (not (= 25 ~y~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0)))) [2018-11-07 18:42:29,394 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:42:29,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:42:29 BoogieIcfgContainer [2018-11-07 18:42:29,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:42:29,412 INFO L168 Benchmark]: Toolchain (without parser) took 83959.51 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-11-07 18:42:29,413 INFO L168 Benchmark]: CDTParser took 0.30 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 18:42:29,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.12 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 18:42:29,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.27 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:29,416 INFO L168 Benchmark]: Boogie Preprocessor took 110.14 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:42:29,416 INFO L168 Benchmark]: RCFGBuilder took 3706.22 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:29,417 INFO L168 Benchmark]: TraceAbstraction took 79227.20 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -751.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-11-07 18:42:29,422 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 787.12 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 123.27 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -807.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.14 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3706.22 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 79227.20 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -751.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((1 == a20 && a17 == \old(a17)) && !(a16 == 4)) || !(1 == \old(a21))) || ((a7 == \old(a7) && 1 == a20) && !(a16 == 6))) || !(4 == d)) || !(x == 24)) || !(e == 5)) || !(22 == v)) || ((a7 == \old(a7) && !(a16 == 6)) && !(a16 == 4))) || !(c == 3)) || !(1 == a)) || !(5 == \old(a16))) || !(u == 21)) || ((1 == a7 && 1 == a20) && a17 <= 0)) || !(\old(a7) == 0)) || !(a8 == 13)) || !(26 == z)) || (!(a16 == 6) && !(a17 == 1))) || (1 == a7 && !(a16 == 6))) || !(8 == a12)) || !(2 == b)) || !(25 == y)) || !(\old(a20) == 1)) || !(23 == w)) || !(15 == \old(a8))) || !(\old(a17) == 1)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 79.1s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 52.8s AutomataDifference, 0.0s DeadEndRemovalTime, 10.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1031 SDtfs, 9736 SDslu, 1456 SDs, 0 SdLazy, 12974 SolverSat, 2708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1185 GetRequests, 1038 SyntacticMatches, 5 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6710occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.9s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9966395010690496 AbsIntWeakeningRatio, 0.26855123674911663 AbsIntAvgWeakeningVarsNumRemoved, 25.558303886925795 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 268 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 369 PreInvPairs, 897 NumberOfFragments, 742 HoareAnnotationTreeSize, 369 FomulaSimplifications, 24416 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 26338 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1428 NumberOfCodeBlocks, 1428 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1779 ConstructedInterpolants, 0 QuantifiedInterpolants, 476810 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1085 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 921/1027 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...